674 lines
23 KiB
Plaintext
674 lines
23 KiB
Plaintext
From: Digestifier <Linux-Admin-Request@senator-bedfellow.mit.edu>
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To: Linux-Admin@senator-bedfellow.mit.edu
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Reply-To: Linux-Admin@senator-bedfellow.mit.edu
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Date: Thu, 1 Sep 94 23:13:14 EDT
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Subject: Linux-Admin Digest #12
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Linux-Admin Digest #12, Volume #2 Thu, 1 Sep 94 23:13:14 EDT
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Contents:
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Re: Backing up to QIC-80 (Sid Boyce)
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Re: help for cpio backup (Richard Lippmann)
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[Q] chmod setting in /var/spool/mail (B.Bottarelli)
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Configure OSPF on gated 3.0.3 (Linux)? (Pete Kruckenberg)
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"newuser" programs? (Emarit Ranu)
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Re: Q: NFS, Linux -> Macintosh (Michael Firth)
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Re: Newbie Inetd.conf & telnetd question (andrew.reynhout@analog.com)
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Re: Re-sizing partitions under linux (Michael Firth)
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local news (richard)
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Re: FTP via TERM (Joonwoo Nam)
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CU sudo version 1.3.1 released (Todd C Miller)
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Re: Admin utils for linux ? (Darrel Hankerson)
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Script: Login Stats (George W. Pogue)
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Re: Pascal and ADA on Linux ? (Alan Cox)
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Re: NFS/pormapper security bug and fix (Linux) (Thomas Koenig)
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Re: PLIP: icmp, udp: yes, tcp NO! (Alan Cox)
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----------------------------------------------------------------------------
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From: szb50@ccc.amdahl.com (Sid Boyce)
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Subject: Re: Backing up to QIC-80
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Reply-To: szb50@JUTS.ccc.amdahl.com (Sid Boyce)
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Date: Thu, 1 Sep 1994 15:58:25 GMT
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I do the following to write and extract files .....
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tar cfv - . | gzip | dd of=/dev/ftape ** this backs up everything **
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dd if=/dev/ftape | tar zxpfv - . *** to restore everything **
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dd if=/dev/ftape | tar zxpfv - filename *** full pathnanme omitting
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the first / . this takes
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ages as it seems to read the whole tape, rewind and then reads
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forwards to extract it.
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I am sure there is a more elegant method .... later .... but
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it works fine.
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Regards
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Sid ... G3VBV ... Amdahl(UK) ....
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------------------------------
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Date: 31 Aug 1994 10:54:00 +0200
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From: horshack@lucy.franken.de (Richard Lippmann)
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Subject: Re: help for cpio backup
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Reply-To: horshack@lisa.franken.de
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swrek@whoa.cosmic.com meinte am 27.08.94
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zum Thema "help for cpio backup":
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> Does anyone have a good example of a cpio backup accross nfs
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> mounts using some kind of exclude patterns? For instance, I want
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> to use cpio to backup my network but I don't want to backup
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> /var/spool and some of the directories in /usr and /sbin.
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Backup all exclude /var/spool
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lisa$ cd /
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lisa$ find . -name var/spool -prune -o -print | cpio -ovcmudB >/dev/tape
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Greets
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Horshack
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--
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horshack@lisa.franken.de Nur Beamte koennen...
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... wie Beamte denken
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------------------------------
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From: bruno@vaimo.cce.unipr.it (B.Bottarelli)
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Subject: [Q] chmod setting in /var/spool/mail
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Date: 1 Sep 1994 15:04:54 GMT
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Hei dude!!
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We have installed Slackware Linux 1.0.8 on a 486 based PC.
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I have notice this _strange_ chmod setting into the directory
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/var/spool/mail
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drwxrwxr-x 2 root mail 1024 Sep 1 16:07 ./
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drwxr-xr-x 19 root root 1024 Jun 6 11:34 ../
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-rw-rw---- 1 paolo staff 0 Sep 1 13:47 paolo
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-rw-rw---- 1 marco guest 0 Jul 25 16:06 marco
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-rw-rw---- 1 stefan guest 10706 Jun 17 15:02 stefan
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-rw-rw---- 1 pier guest 0 Aug 31 00:00 pier
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^^------- ????????????
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This means that all the user in the same group can read their mail each
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other and this in in contrast with the privacy rules. I can change the modes
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via chmod every time I add a new user, but is there a way to avoid this
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automagically??
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Thank you.
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Bruno.
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------------------------------
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From: kruckenb@sal.cs.utah.edu (Pete Kruckenberg)
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Crossposted-To: comp.protocols.tcp-ip
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Subject: Configure OSPF on gated 3.0.3 (Linux)?
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Date: 1 Sep 1994 17:07:53 GMT
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I need to figure out how to set up OSPF routing on my Linux (1.1.18)
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gateway. I'm using gated 3.0.3, with a current RIP configuration.
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Unfortunately, our new Internet access provider uses OSPF (only),
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and I've never used OSPF.
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What kinds of information do I need to get from them? I've got a few
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sample configurations (from the gated 3.5 Alpha) that have OSPF stuff,
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but I don't know if they'll even work (so far they haven't).
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I have tried a few things (ospf yes; in the gated.conf), but gated -c
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always gives a "parsing error at ospf", so I assume either gated
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doesn't support ospf (though it says it does), or I have to give it
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some more information.
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Also, will I have to have my Internet provider "feed" me OSPF updates
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(as I had to do with RIP)?
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Actually, the best thing would be to give me a good source on gated
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and OSPF configuration. The O'Reilly _TCP/IP_Network_Administration_
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is pretty out of date on gated and OSPF, so a more up-to-date source
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would be great.
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I would appreciate any response on this, and the sooner, the better.
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I'm working on this right now, and need help. If possible, email
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to pete@dswi.com or kruckenb@sal.cs.utah.edu would be best, and I
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will summarize to this group.
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Thanks.
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Pete.
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------------------------------------------------------------------------
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Pete Kruckenberg School: kruckenb@sal.cs.utah.edu
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University of Utah Work: pete@dswi.com
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Computer Engineering For even more addresses, "finger pete@dswi.com"
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------------------------------
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From: drranu@lamar.ColoState.EDU (Emarit Ranu)
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Subject: "newuser" programs?
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Date: 31 Aug 1994 17:33:57 -0600
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Any good "newuser" programs available for Linux?
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--
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-Emarit drranu@lamar.ColoState.EDU
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KG0CQ _._ __. _____ _._. __._
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--
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-Emarit drranu@lamar.ColoState.EDU
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KG0CQ _._ __. _____ _._. __._
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------------------------------
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From: mfirth@visual.bt.co.uk (Michael Firth)
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Subject: Re: Q: NFS, Linux -> Macintosh
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Date: 1 Sep 1994 15:25:49 GMT
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For the record there IS a program to let you access HFS 1.44MB floppies from
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Linux, in the same way as mtools lets you for DOS floppyies. It's called
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xhfs, and is available in the utils/disk-management directory on Sunsite as
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xhfs0_3.tgz
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It works well enough for my purposes, but I can't wait for something better.
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Michael
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mfirth@cee.hw.ac.uk
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------------------------------
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Crossposted-To: comp.unix.admin
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From: andrew.reynhout@analog.com
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Subject: Re: Newbie Inetd.conf & telnetd question
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Date: Thu, 1 Sep 1994 22:14:47 GMT
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In article <3442uu$kj5@news.ysu.edu> s0017210@cc.ysu.edu (Steve DuChene) writes:
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>Rashid Karimov (root@sarnode.saratov.su) wrote:
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>: Hi !
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>
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>: : S. Kharbanda TM (anam@netcom.com) wrote:
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>: : : I am trying to setup our internet server to accept telnet connections at
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>: : : a specific port and directly login to an account (so that the user does
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>: : : not see a login prompt). Any ideas on how i go about doing this ?
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>: : : I have seen it done, just don't see how to do it, have looked at the
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>: : : inetd.conf file trying to figure it out...
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> Stuff deleted...
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>: I'd just say this is _real security hole. You( i mean Mr.Kharbanda)
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>
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> I would have to agree with the above opinions! If someone tried to
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> do this sort of thing on our campus I couldn't imagine the uproar
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> in the computer center! If you don't realize it puting this sort of
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> account on the Internet is a security hole that affects everone with a
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> computer on the net not just your installation. I would imagine your
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> network provider could easily yank your connection if a problem arose
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> because of this practice.
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Calm down guys. It's no more unsafe than a passwordless account. Remember,
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he never said he was going to log this account into a shell.
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And BTW- him putting this kind of account on the Internet is absolutely no
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threat to the security at my site. And if you're doing your job, it isn't a
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threat to your site either, any more than all the newly created student accounts
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at schools across the world are.
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--
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Andrew Reynhout <andrew.reynhout@analog.com>
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Analogue Devices, 3 Technology Way (617)461-3987 fax: -4241
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Norwood, Massachusetts 02062-2634 meow
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------------------------------
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From: mfirth@visual.bt.co.uk (Michael Firth)
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Subject: Re: Re-sizing partitions under linux
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Date: 1 Sep 1994 15:33:17 GMT
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Barber Dan (barber@sde.mdso.vf.ge.com) wrote:
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: I have a question about re-sizing existing linux partitions.
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: I have allocated 200MB Linux. I originally created a partition
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: /hda2 of 100MB, and /hda4 of 100MB. Root is mounted on hda2
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: and /usr is mounted on /hda4. Being an admin novice, I have
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: found my partitioning ratio to be incorrect. I should have
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: allocated 150 to /usr and 50 to root. Can I change this?
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: Can I mount a sub-directory from one partion to the next ?
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: Thanks for your help and patience!
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You could probably get around your difficulty with Symbolic links.
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For example:
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cd /
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mkdir things
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cd things
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(cd /usr ; tar cf - X386 ) tar xvf -
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rm -rf /usr/X386 << Check that the previous step worked
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before doing this !!
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cd /usr
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ln -s /things/X386 .
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This would move the directory /usr/X386 into a directory called /things/X386,
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which would occupy space on your oversized root partition, and free space on
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your /usr partition. You could change X386 to any directory of your choice in
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/usr.
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E-mail me if there are any problems.
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Michael Firth
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mfirth@cee.hw.ac.uk
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------------------------------
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From: rpritz@panix.com (richard)
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Subject: local news
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Date: 1 Sep 1994 20:06:02 -0400
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I'd like to create some local newsgroups that users can read with tin. I
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assume i'd need something like c news or inn to administer this? if so,
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which is better/easier? or is there another way?
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------------------------------
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From: nam@risky.ecs.umass.edu (Joonwoo Nam)
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Subject: Re: FTP via TERM
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Date: 31 Aug 1994 23:49:44 GMT
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Jagadeesh Krishnamurthy Venugopal (jkvg@everest.ccs.neu.edu) wrote:
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: Hi.
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: Unfortunately redirecting FTP this way fails. Ftp logs the user in but then
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: hangs and has to be killed. I have absolutely no idea why this is so.
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: If anyone has telnet and ftp running via term, could you please clue me in on
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: this?
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Try getting
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sunsite.unc.edu:/pub/Linux/apps/comm/termstuff/ftpd-term.tar.gz
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README.xxxx files will help configuring your box as ftp site.
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J.
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--
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========================================================================
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Joonwoo Nam nam@nazgul.ecs.umass.edu
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Dept. of Electrical and Computer Engineering office: 413-545-4762
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University of Massachusetts at Amherst fax : 413-545-4611
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========================================================================
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------------------------------
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From: millert@clytemnestra.cs.colorado.edu (Todd C Miller)
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Crossposted-To: comp.unix.admin,comp.unix.aix,comp.sys.convex,comp.sys.hp.hpux,comp.sgi.admin,comp.sys.next.sysadmin,comp.unix.osf.osf1,comp.sys.sun.admin,comp.unix.ultrix
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Subject: CU sudo version 1.3.1 released
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Date: 31 Aug 1994 22:46:55 GMT
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Version 1.3.1 of the CU version of sudo has been released. Sudo is a
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program that allows a system administrator to give limited root
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access to users and logs copiously. Version 1.3.1 is based on The Root
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Group's sudo 1.1 and is covered under the GNU Copyleft.
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The differences between 1.3 and 1.3.1 consist mostly of bug fixes,
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minor featur additions, portability changes, and code reorganization.
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See the CHANGES file for all the gory details.
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Some of the changes include:
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Native solaris support, bsd compatibility libraries are no longer
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necesary for *any* architecture, posix functionality is used if
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present (signals, sysconf(), etc), -V, -v, and -k flags, shadow
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password support for some architectures, a configure script,
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and more.
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If you are running an older version of sudo I would highly suggest that
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you pick up the latest version.
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CU sudo 1.3.1 is known to work on the following platforms:
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AIX 3.x
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4.3 BSD (including MORE/BSD)
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BSDI (BSD/386)
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ConvexOS 9.1 (C2 support untested)
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HP BSD 2.0
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HP-UX 8.x and 9.x (w/ or w/o shadow passwords, see INSTALL)
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Irix 4.x and 5.x
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KSR OS
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Linux (shadow password support untested)
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NextStep 2.x and 3.x
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DEC OSF/1 1.x and 2.0
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SunOS 3.5 and 4.x
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Solaris 2.x
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Ultrix 4.x (w/ or w/o enhanced security, see INSTALL)
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CU sudo 1.3.1 is available via anonymous ftp from ftp.cs.colorado.edu
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as pub/sysadmin/utilities/cu-sudo.v1.3.1.tar.Z
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- todd
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--
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Todd C. Miller Sysadmin--University of Colorado millert@cs.Colorado.EDU
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------------------------------
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From: hankedr@mail.auburn.edu (Darrel Hankerson)
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Subject: Re: Admin utils for linux ?
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Date: Wed, 31 Aug 1994 23:38:07 GMT
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In article <33voc3$j37@rzsun02.rrz.uni-hamburg.de> hamdy@rzdspc1.informatik.uni-hamburg.de (Safuat Hamdy) writes:
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I started to write an accounttool under XView, which I considered as the
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starting point for a series of tools for the administrator. It should
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add/modify/remove users from the system
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[...]
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I heared about some tools writen with tcl/tk, but that's long ago and
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I've never seen them.
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You may be thinking about UserMaint. These are used in the Yggdrasil
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distribution, and they are nicely done. (There is a problem in editing
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GID, however.)
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I'd volunteer for contibutions to such a project _if_ there will be a team.
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I've seen recent reports of several different projects. I'm new
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to Linux, but UserMaint looks like a very good starting point.
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--
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--Darrel Hankerson hankedr@mail.auburn.edu
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------------------------------
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From: gwp@dithots.org (George W. Pogue)
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Subject: Script: Login Stats
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Date: Thu, 1 Sep 1994 14:08:36 GMT
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Ok, ok, don't sweat this one too much. I often write scripts just to
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learn something. This one was an excersize in gawk again. It process
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the /var/adm/wtmp file via the last command. It generates an output
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that could be useful to some. If you check the top of the file you'll
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note some parameters you can pass it. If you'll run it in a cron job
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once a month with the write option it'll keep running stats available
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that can be accessed.
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Really, simply, my /var/adm/wtmp was huge and I wanted a way to not lose
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all the information in it, but to also be able to delete it once a month.
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So I wrote this script. If you have any questions or comments, please let
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me know.
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#!/bin/ksh
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#*************************************************************************
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#* Program Name: User totals for /var/adm/wtmp
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#* Filename: LOGNSTAT
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#* Design: To generate user stats
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#* Author: George W. Pogue
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#* Date Created: August 31, 1994
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#* Date Updated: September 1, 1994
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#* Version: 2.0
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#*
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#* 1989. Pogue Technologies Inc. Woodstock, Georgia. USA.
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#* 1990. Pogue Technologies Inc. Arlington, Texas. USA.
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#* 1991. Pogue Technologies Inc. Duluth, Georgia. USA.
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#* 1992. Pogue Technologies Inc. New London, North Carolina. USA.
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#* 1994. Pogue Technologies Inc. Roswell, Georgia. USA.
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#*************************************************************************
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# Set temporary variables
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INFILE=/var/adm/usertotal.log
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OUTFILE=/dev/null
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ONLYDO=ALL
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TMPFILE=/tmp/userstat.$$
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# Are there any parameters? Check them out!
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invar=x$1
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case $invar in
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xwrite) DOGLOBAL=YES; OUTFILE=$INFILE ;;
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xmonth) ONLYDO=month ;;
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xday) ONLYDO=day ;;
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xuser) ONLYDO=user ;;
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xmid) ONLYDO=mid ;;
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xtty) ONLYDO=tty ;;
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xglobal) DOGLOBAL=YES ;;
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*) ;;
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esac
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# Get the user stats!
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last >$TMPFILE
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# Begin processing the script
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cat $TMPFILE | awk '
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BEGIN \
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{
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# Define all the header and format statements
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hdr["user"]=" User Name Connections Total Time\n"
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hdr["tty"]=" TTY Name Connections Total Time\n"
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hdr["month"]=" Calendar Month Connections Total Time\n"
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hdr["day"]=" Calendar Day Connections Total Time\n"
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hdr["mid"]=" IP Connection Connections Total Time\n"
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hdrres="-------------------- ----------- ----------\n"
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fmt1="%20s %11d %10d\n"
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fmt2="%s %s %d %d\n"
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# Define all the areas!
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area["month"]; area["day"]; area["user"]; area["tty"]; area["mid"];
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# Do we need the global values?
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if (match('\"$DOGLOBAL\"',"YES"))
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# Now read the file of values
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while (getline <'\"$INFILE\"' > 0)
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{
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# Is this the total line?
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if (match($1,"total"))
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{
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# Store the total
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total_c = $3;
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continue;
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}
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# Grab the existing values
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for (k in area) \
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{
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# Have we found a match?
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if (match($1,k))
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{
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# Store values in array
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stats[$1,$2] = $3;
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times[$2] = $4;
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}
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}
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}
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}
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{
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# Check the lines and make sure they are ok
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if (length($0) > 80)
|
|
next;
|
|
if (length($0) < 5)
|
|
exit;
|
|
|
|
# Make sure everything is correct
|
|
if ( ! $2 )
|
|
next;
|
|
|
|
# Grab the user definitions
|
|
stats["user",$1] += 1;
|
|
# Grab the tty definitions
|
|
stats["tty",$2] += 1;
|
|
|
|
# Check and see if we have got a valid third field
|
|
if ( length($3) > 3 ) \
|
|
{
|
|
# Grab the middle information
|
|
stats["mid",$3] += 1;
|
|
# Grab the month definitions
|
|
stats["month",$5] += 1;
|
|
# Grab the day definitions
|
|
stats["day",$4] += 1;
|
|
# Grab the time
|
|
timer = $10;
|
|
}
|
|
else \
|
|
{
|
|
# Grab the month definitions
|
|
stats["month",$4] += 1;
|
|
# Grab the day definitions
|
|
stats["day",$3] += 1;
|
|
# Grab the time
|
|
timer = $9;
|
|
}
|
|
|
|
# Grab the hours & mins
|
|
if (timer)
|
|
if (index(timer,":"))
|
|
{
|
|
# Calculate the time
|
|
timevalue = ((substr(timer,2,2) * 60) + (substr(timer,5,2)));
|
|
|
|
# Store the time value
|
|
times[$1] += timevalue;
|
|
times[$2] += timevalue;
|
|
times[$3] += timevalue;
|
|
times[$4] += timevalue;
|
|
times[$5] += timevalue;
|
|
}
|
|
|
|
# Increment the total counters
|
|
total_c += 1;
|
|
}
|
|
END \
|
|
{
|
|
# Process each area
|
|
for (item in area) \
|
|
{
|
|
# Check and see if this is what we need to display
|
|
if (! match('\"$ONLYDO\"', "ALL"))
|
|
if (! match('\"$ONLYDO\"', item))
|
|
continue;
|
|
|
|
# Print header
|
|
printf("\n%s%s", hdr[item], hdrres);
|
|
|
|
# Process the statistics array now!
|
|
for (stat in stats) \
|
|
{
|
|
# Is this one of the ones we want to printout?
|
|
if (index(stat,item))
|
|
{
|
|
# Setup the item index
|
|
itemindex = substr(stat, length(item)+1);
|
|
# Must do this since two funny characters end up at beginning
|
|
itemindex = substr(itemindex, 2);
|
|
|
|
# Reset values
|
|
timevalue = 0;
|
|
|
|
# Grab times
|
|
#for (tt in times) \
|
|
# if (match(itemindex,tt))
|
|
timevalue = times[itemindex];
|
|
|
|
# Now print the results
|
|
printf(fmt1, itemindex, stats[stat], timevalue);
|
|
printf(fmt2, item, itemindex, stats[stat], timevalue) > '\"$OUTFILE\"'
|
|
}
|
|
}
|
|
}
|
|
|
|
# Print Total
|
|
printf("\nTotal connection: %d\n\n", total_c);
|
|
printf(fmt2, "total", "total", total_c, total_c) >> '\"$OUTFILE\"'
|
|
}'
|
|
|
|
# Remove temporary files
|
|
rm -f $TMPFILE
|
|
|
|
------------------------------
|
|
|
|
From: iialan@iifeak.swan.ac.uk (Alan Cox)
|
|
Subject: Re: Pascal and ADA on Linux ?
|
|
Date: Thu, 1 Sep 1994 11:06:23 GMT
|
|
|
|
In article <1994Aug27.134540.394@schbbs.mot.com> RHK973@paccvm.corp.mot.com (K.K. Tung) writes:
|
|
>Anyone know where to get a copy of the PASCAL or ADA
|
|
>to run on the Linux ?
|
|
|
|
Gnu pascal is in testing but seems not bad (its in with the debian release
|
|
bits). There is also p2c (pascal to C) which can be combined with gcc to
|
|
build pascal stuff.
|
|
|
|
As to ADA there is GNATS in development, and I believe some kind of
|
|
interpreted ada environment around too.
|
|
|
|
Alan
|
|
|
|
|
|
--
|
|
..-----------,,----------------------------,,----------------------------,,
|
|
// Alan Cox // iialan@www.linux.org.uk // GW4PTS@GB7SWN.#45.GBR.EU //
|
|
``----------'`----------------------------'`----------------------------''
|
|
|
|
------------------------------
|
|
|
|
From: ig25@fg30.rz.uni-karlsruhe.de (Thomas Koenig)
|
|
Subject: Re: NFS/pormapper security bug and fix (Linux)
|
|
Date: 1 Sep 1994 22:20:51 GMT
|
|
Reply-To: Thomas.Koenig@ciw.uni-karlsruhe.de
|
|
|
|
H. Peter Anvin (hpa@ahab.eecs.nwu.edu) wrote in article <hpa.33400000.Just.say.no.to.DOS@ahab.eecs.nwu.edu>:
|
|
>By author: Thomas.Koenig@ciw.uni-karlsruhe.de
|
|
>>
|
|
>> Also note that there's a bug in all libc versions up to 4.5.26 (at
|
|
>> least) which throws the portmapper into a forking loop under some
|
|
>> conditions. To avoid this, you'll need to use one of the newer kernels
|
|
>> with the CONFIG_I_AM_A_BROKEN_BSD_WEENIE option, or apply the (binary)
|
|
>> patch to libc 4.5. 26 contained in portmap_3_rpcfix.shar.gz (to be
|
|
>> found in sunsite's Incoming).
|
|
>>
|
|
|
|
>Dumb question: is the idea that we should ENABLE or DISABLE the
|
|
>CONFIG_I_AM_A_BROKEN_BSD_WEENIE option?
|
|
|
|
You've got two choices: either enable the option in the kernel,
|
|
or patch your libc. Either will work.
|
|
|
|
Sorry if this was less than clear :-)
|
|
--
|
|
Thomas Koenig, Thomas.Koenig@ciw.uni-karlsruhe.de, ig25@dkauni2.bitnet.
|
|
The joy of engineering is to find a straight line on a double
|
|
logarithmic diagram.
|
|
|
|
------------------------------
|
|
|
|
From: iialan@iifeak.swan.ac.uk (Alan Cox)
|
|
Subject: Re: PLIP: icmp, udp: yes, tcp NO!
|
|
Date: Thu, 1 Sep 1994 11:09:34 GMT
|
|
|
|
In article <rbsmith.777992015@somnet> rbsmith@somnet.sandia.gov (Randall B Smith) writes:
|
|
>I have the 1.1.18 OS running on two machines (Slakware 2.0) and
|
|
>I am trying to get PLIP going. Ping (icmp) and tftp (udp) work
|
|
|
|
Upgrade both machines. The TCP code in 1.1.18 knows that tcp frames from
|
|
a multicast source are illegal. Alas the older PLIP makes up a fake
|
|
multicast not unicast physical address. Thus you need to upgrade both ends.
|
|
|
|
Alan
|
|
--
|
|
..-----------,,----------------------------,,----------------------------,,
|
|
// Alan Cox // iialan@www.linux.org.uk // GW4PTS@GB7SWN.#45.GBR.EU //
|
|
``----------'`----------------------------'`----------------------------''
|
|
|
|
------------------------------
|
|
|
|
|
|
** FOR YOUR REFERENCE **
|
|
|
|
The service address, to which questions about the list itself and requests
|
|
to be added to or deleted from it should be directed, is:
|
|
|
|
Internet: Linux-Admin-Request@NEWS-DIGESTS.MIT.EDU
|
|
|
|
You can send mail to the entire list (and comp.os.linux.admin) via:
|
|
|
|
Internet: Linux-Admin@NEWS-DIGESTS.MIT.EDU
|
|
|
|
Linux may be obtained via one of these FTP sites:
|
|
nic.funet.fi pub/OS/Linux
|
|
tsx-11.mit.edu pub/linux
|
|
sunsite.unc.edu pub/Linux
|
|
|
|
End of Linux-Admin Digest
|
|
******************************
|