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34758 discussions

Ac1dB1tch3z Vs Linux Kernel x86_64 0day
by Gerhard Schneider 18 Sep '10

18 Sep '10

Are there any 64bit CentOS5 kernels available that are immune against the exploit mentioned in the subject? Turning off 32bit support is no option to me.. Gerhard Schneider P.S.: Source code can be found at http://seclists.org/fulldisclosure/2010/Sep/268 and is working "well" on 2.6.18-194.11.3.el5.centos.plus -- Gerhard Schneider Institute of Lightweight Design and e-Mail: gs(a)ilsb.tuwien.ac.at Structural Biomechanics (E317) Tel.: +43 664 60 588 3171 Vienna University of Technology / Austria Fax: +43 1 58801 31799 A-1040 Wien, Gusshausstrasse 27-29 http://www.ilsb.tuwien.ac.at/~gs/

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securing centos 5.2 for public usage
by Roland RoLaNd 18 Sep '10

18 Sep '10

Dear all, i Just finished setting up an apache service on a centos 5.2 VM machine. i need to secure this machine as i'm soon to be setting a public IP over it where i'd be opening up the following services: 1. http 2. https 3. ssh Things i've done so far: 1. stopped root ssh access in sshd.conf 2. tried configuring PAM so i get a more secure ssh passwords (dictionary wise) as well as tried setting up a 2 times authentication failure for the account to be disabled for 12 hours (i couldnl't succeed in setting this up) 3. disabled port forwarding (to deny outsiders to tunnel through the server inside my network) couldn't succeed with this either. Any help or advice would be greatly appreciated.. thanks, --Roland

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Maximum IP ranges
by Radu Gheorghiu 18 Sep '10

18 Sep '10

Hello, Is there any maximum number of IP aliases or IP ranges that ifup can handle? Right now i have about 12000 IPs assigned to the server and when trying to assign range number 47 (ifup eth0-range47), i get his error: /etc/sysconfig/network-scripts/ifup-post: line 21: 12733 Segmentation fault /etc/sysconfig/network-scripts/ifup-aliases ${DEVICE} ${CONFIG} Any advice is much appreciated. Regards, Radu

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looking for cool, post-install things to do on a centos 5.5 system
by Robert P. J. Day 18 Sep '10

18 Sep '10

(note: i asked this a few days ago but it *appears* that that post was tossed due to getting excessive bounces from my account. so i'm posting it again, apologies if you're seeing it a second time.) over the next several weeks, i'm teaching some courses in RHEL admin but (unsurprisingly) i'll be using centos 5.5. it's a decently-written, 3rd party course, all the generic, standard admin topics but it does leave me about a 1/2 day to throw in any cool stuff i want to add. so, any recommendations for neat things that people here have done in the way of what can be added to or configured on a centos server system? the course covers all the standard topics -- installation, package management, service management, filesystem maintenance, that sort of thing. so i'm looking for bonus, neat stuff that others here do as a matter of course when putting together a centos system. logging utilities? intrusion detection? monitoring? anything that leaps to mind that i can use to fill up a few more hours. i'm already thinking of showing how to build and boot a new kernel. other ideas? thanks. rday -- ======================================================================== Robert P. J. Day Waterloo, Ontario, CANADA Top-notch, inexpensive online Linux/OSS/kernel courses http://crashcourse.ca Twitter: http://twitter.com/rpjday LinkedIn: http://ca.linkedin.com/in/rpjday ========================================================================

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Howto enter a password to mount windows share in Places
by Denis 18 Sep '10

18 Sep '10

Hi - using gnome I am trying to use Places -> Connect to Server to mount a windows share. I can do: smbclient //disk.site.edu/uname$ -U uname%passwd but have not been able to transfer that infomation into the GUI that can mount the Windows Share, specifically can't figure out how to enter the password. I'm trying make things as simple as possible for windows students to use CentOS. Thanks, -- Denis Becker ITS - Engineering MN State Univ., Mankato Mankato Minnesota ph: 507-389-5617 fx: 507-389-5002

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CentOS-announce Digest, Vol 67, Issue 6
by centos-announce-request＠centos.org 18 Sep '10

18 Sep '10

Send CentOS-announce mailing list submissions to centos-announce(a)centos.org To subscribe or unsubscribe via the World Wide Web, visit http://lists.centos.org/mailman/listinfo/centos-announce or, via email, send a message with subject or body 'help' to centos-announce-request(a)centos.org You can reach the person managing the list at centos-announce-owner(a)centos.org When replying, please edit your Subject line so it is more specific than "Re: Contents of CentOS-announce digest..." Today's Topics: 1. CEBA-2010:0700 CentOS 5 x86_64 apr-util Update (Karanbir Singh) 2. CEBA-2010:0700 CentOS 5 i386 apr-util Update (Karanbir Singh) 3. CEBA-2010:0699 CentOS 5 x86_64 openCryptoki Update (Karanbir Singh) 4. CEBA-2010:0699 CentOS 5 i386 openCryptoki Update (Karanbir Singh) ---------------------------------------------------------------------- Message: 1 Date: Fri, 17 Sep 2010 20:41:47 +0000 From: Karanbir Singh <kbsingh(a)centos.org> Subject: [CentOS-announce] CEBA-2010:0700 CentOS 5 x86_64 apr-util Update To: centos-announce(a)centos.org Message-ID: <20100917204147.GA18390(a)chakra.karan.org> Content-Type: text/plain; charset=us-ascii CentOS Errata and Bugfix Advisory 2010:0700 Upstream details at : https://rhn.redhat.com/errata/RHBA-2010-0700.html The following updated files have been uploaded and are currently syncing to the mirrors: ( md5sum Filename ) x86_64: 22707603aefbf604fc0cd85be5fc4841 apr-util-1.2.7-11.el5_5.1.i386.rpm b85bf6a071cf2d6eeaf06acfc0eb70fb apr-util-1.2.7-11.el5_5.1.x86_64.rpm 8927856d409178b4e110358a134436a6 apr-util-devel-1.2.7-11.el5_5.1.i386.rpm 5e6940ca24926a143435cb764c7e3e89 apr-util-devel-1.2.7-11.el5_5.1.x86_64.rpm ec7d39f1424a851428e5d69776ea567d apr-util-docs-1.2.7-11.el5_5.1.x86_64.rpm 6d5e55de221b2934930a2adaa259ba98 apr-util-mysql-1.2.7-11.el5_5.1.x86_64.rpm Source: 92c957a4fc281a58e04ff1f48bee4938 apr-util-1.2.7-11.el5_5.1.src.rpm -- Karanbir Singh CentOS Project { http://www.centos.org/ } irc: z00dax, #centos(a)irc.freenode.net ------------------------------ Message: 2 Date: Fri, 17 Sep 2010 20:41:47 +0000 From: Karanbir Singh <kbsingh(a)centos.org> Subject: [CentOS-announce] CEBA-2010:0700 CentOS 5 i386 apr-util Update To: centos-announce(a)centos.org Message-ID: <20100917204147.GA18375(a)chakra.karan.org> Content-Type: text/plain; charset=us-ascii CentOS Errata and Bugfix Advisory 2010:0700 Upstream details at : https://rhn.redhat.com/errata/RHBA-2010-0700.html The following updated files have been uploaded and are currently syncing to the mirrors: ( md5sum Filename ) i386: e6f5599bb88a29e319c78d167ea8f5a4 apr-util-1.2.7-11.el5_5.1.i386.rpm 1a03a1c2887fc0aeb2477a951d62fc23 apr-util-devel-1.2.7-11.el5_5.1.i386.rpm 891af9f087a4c71cb22c45af6714a955 apr-util-docs-1.2.7-11.el5_5.1.i386.rpm 5ffde8d4fa37240c22fdb660fbb962a5 apr-util-mysql-1.2.7-11.el5_5.1.i386.rpm Source: 92c957a4fc281a58e04ff1f48bee4938 apr-util-1.2.7-11.el5_5.1.src.rpm -- Karanbir Singh CentOS Project { http://www.centos.org/ } irc: z00dax, #centos(a)irc.freenode.net ------------------------------ Message: 3 Date: Fri, 17 Sep 2010 20:45:19 +0000 From: Karanbir Singh <kbsingh(a)centos.org> Subject: [CentOS-announce] CEBA-2010:0699 CentOS 5 x86_64 openCryptoki Update To: centos-announce(a)centos.org Message-ID: <20100917204519.GA18503(a)chakra.karan.org> Content-Type: text/plain; charset=us-ascii CentOS Errata and Bugfix Advisory 2010:0699 Upstream details at : https://rhn.redhat.com/errata/RHBA-2010-0699.html The following updated files have been uploaded and are currently syncing to the mirrors: ( md5sum Filename ) x86_64: df73e4505e30d94056831e7e6f1d9f43 openCryptoki-2.2.4-22.el5_5.1.i386.rpm b38b8b4d5b2f25977690774588b79f25 openCryptoki-2.2.4-22.el5_5.1.x86_64.rpm 9529d5c96a88ffecb28b648ee1723951 openCryptoki-devel-2.2.4-22.el5_5.1.i386.rpm 14d0ce467b1d7b1b7addf1d89199859a openCryptoki-devel-2.2.4-22.el5_5.1.x86_64.rpm Source: e1c510c0ed30783a18ab126a118064ad openCryptoki-2.2.4-22.el5_5.1.src.rpm -- Karanbir Singh CentOS Project { http://www.centos.org/ } irc: z00dax, #centos(a)irc.freenode.net ------------------------------ Message: 4 Date: Fri, 17 Sep 2010 20:45:19 +0000 From: Karanbir Singh <kbsingh(a)centos.org> Subject: [CentOS-announce] CEBA-2010:0699 CentOS 5 i386 openCryptoki Update To: centos-announce(a)centos.org Message-ID: <20100917204519.GA18489(a)chakra.karan.org> Content-Type: text/plain; charset=us-ascii CentOS Errata and Bugfix Advisory 2010:0699 Upstream details at : https://rhn.redhat.com/errata/RHBA-2010-0699.html The following updated files have been uploaded and are currently syncing to the mirrors: ( md5sum Filename ) i386: c90241d386d2b0faa14ef472bd6433dd openCryptoki-2.2.4-22.el5_5.1.i386.rpm c701f002e13b6f2cf9d80bdd204a23c5 openCryptoki-devel-2.2.4-22.el5_5.1.i386.rpm Source: e1c510c0ed30783a18ab126a118064ad openCryptoki-2.2.4-22.el5_5.1.src.rpm -- Karanbir Singh CentOS Project { http://www.centos.org/ } irc: z00dax, #centos(a)irc.freenode.net ------------------------------ _______________________________________________ CentOS-announce mailing list CentOS-announce(a)centos.org http://lists.centos.org/mailman/listinfo/centos-announce End of CentOS-announce Digest, Vol 67, Issue 6 **********************************************

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Re: [CentOS] e2fsck with millions of files
by Brent L. Bates 18 Sep '10

18 Sep '10

Stack size was only a problem for the 32 bit OS and not 64 bit. If one is dealing with a terabyte or more of data, I don't see them using a 32 bit OS. I really don't see any really good reasons for using anything but 64 bit any more, if the hardware supports it. -- Brent L. Bates (UNIX Sys. Admin.) M.S. 912 Phone:(757) 865-1400, x204 NASA Langley Research Center FAX:(757) 865-8177 Hampton, Virginia 23681-0001 Email: B.L.BATES(a)larc.nasa.gov http://www.vigyan.com/~blbates/

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slightly OT: dban
by m.roth＠5-cent.us 18 Sep '10

18 Sep '10

I'm trying to nuke a Dell Optiplex GX620. I've got a perfectly good dban 1.0.4 that I've used a bunch of times... but on this machine, it says starting, then dies, saying "dban has finished with non-fatal errors. Check the log for more information" It never gets to the interactive menu. Now that I've disabled the non-existant floppy drive, at least it does say "to save the log file again, press enter".... mark

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Bandwidth issues
by Michel Bulgado 17 Sep '10

17 Sep '10

Hello this is the first time I write to the list. I use in my company CentOS 5.5 on all servers, especially in the firewall, recently I have problems with bandwidth, since my internet connection is 512 Kbps and the same is saturated with torrents. I need to limit the bandwidth consumption for torrents, giving highest priority to http traffic. leaving the torrents that are downloaded from a single IP address at a speed of 128 Kbps I use iptables on the firewall. Could tell me if it possible to limit such traffic with iptables and send me some examples? Thanks Michel

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can i run NFS *exclusively* off of v4?
by Robert P. J. Day 17 Sep '10

17 Sep '10

is it possible to set up NFS on centos 5.5 so that it uses *only* version 4? i tried this not that long ago on fedora and was surprised to see a complaint when i tried to start the server and was told that i was missing required functionality of NFSv1, or something equally weird. i'll check the /etc/init.d/nfs script, but i think what got me into trouble was trying to use the entire set of options: "--no-nfs-version 1 --no-nfs-version 2 --no-nfs-version 3" i'm going to try it again this afternoon on centos 5.5, but has anyone else tried this? should it *theoretically* work? rday -- ======================================================================== Robert P. J. Day Waterloo, Ontario, CANADA Top-notch, inexpensive online Linux/OSS/kernel courses http://crashcourse.ca Twitter: http://twitter.com/rpjday LinkedIn: http://ca.linkedin.com/in/rpjday ========================================================================

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