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[Slightly OT] "Open Source Development + Tools" - Book/Resource?
by Tim Nelson 29 Sep '10

29 Sep '10

Greetings all- My apologies for the slightly OT post. My primary production platform *IS* CentOS 5.x with a minor scattering of 4.x machines behind firewalls here and there... I find that I'm being placed more and more into a 'quasi-developer' role which strays some from my normal system/network admin duties. Specifically, having to work with the deep internals of make, autoconf, libtool, cross platform compilation, non-standard libs, etc. My head spins some days trying to work through some of these types of issues. I'm hoping someone knows of a good resource or book that explains the general 'open source' or '*NIX' method of application development, compilation, and dependency/library handling. Specifically, how to take source, and turn it into a "./configure, make, make install" type release and everything that is involved in doing so. I certainly have experience compiling, installing, using software in this manner, but I would like (need?) to learn more about how it all works. Google has been helpful if I'm looking for direct documentation of each of the standard tools (gcc, make, autoconf, libtool, etc), but I've been unable to find something that details the components together, and explains their relationship. Again, my apologies for the OT post. I hope some bright minds on the list can shed a few thoughts. --Tim

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Forbidden: can't access *.html files in /var/www/html
by Alexander Farber 29 Sep '10

29 Sep '10

Hello, I'm using the latest CentOS with phpBB 3.0.x + postgreSQL + sendmail (relayed through gmail.com) - all those programs working fine, with no big modifications of the CentOS defaults (i.e. SELinux is on). Now I'm struggling with the seemingly simple problem, that when I put an .html file into /var/www/html/ then Apache won't serve it. In the browser I see: "Forbidden You don't have permission to access /Alex.html on this server. Apache/2.2.3 (CentOS) Server at XXXX Port 80" In the /var/log/httpd/error_log (I've set "LogLevel debug") I only see: "[error] [client 10.216.40.68] (13)Permission denied: access to /Alex.html denied [error] [client 10.216.40.68] (13)Permission denied: access to /Alex.html denied" The other filetypes like crossdomain.xml and index.php or hello-world.php are served just fine. Also, if I move my *.html files under /var/www/html/test/ - then they are served ok. The permissions are ok in my book: # ls -al Alex.html index.php hello-world.php -r--r--r-- 1 root root 599 Sep 29 15:49 Alex.html -rw-r--r-- 1 afarber afarber 33 Jul 29 11:32 hello-world.php -rw-r--r-- 1 root root 5631 Jun 27 09:38 index.php # ls -ald / /var /var/www /var/www/html drwxr-xr-x 23 root root 4096 Sep 29 15:54 / drwxr-xr-x 22 root root 4096 Jun 22 15:25 /var drwxr-xr-x 8 root root 4096 Sep 29 11:45 /var/www drwxr-xr-x 16 root root 4096 Sep 29 15:59 /var/www/html # cat /var/www/html/.htaccess (installed by phpBB) <Files "config.php"> Order Allow,Deny Deny from All </Files> <Files "common.php"> Order Allow,Deny Deny from All </Files> # /usr/sbin/getsebool -a | grep http allow_httpd_anon_write --> off allow_httpd_bugzilla_script_anon_write --> off allow_httpd_cvs_script_anon_write --> off allow_httpd_mod_auth_pam --> off allow_httpd_nagios_script_anon_write --> off allow_httpd_prewikka_script_anon_write --> off allow_httpd_squid_script_anon_write --> off allow_httpd_sys_script_anon_write --> off httpd_builtin_scripting --> on httpd_can_network_connect --> off httpd_can_network_connect_db --> off httpd_can_network_relay --> off httpd_can_sendmail --> on httpd_disable_trans --> off httpd_enable_cgi --> on httpd_enable_ftp_server --> off httpd_enable_homedirs --> on httpd_read_user_content --> off httpd_rotatelogs_disable_trans --> off httpd_ssi_exec --> off httpd_suexec_disable_trans --> off httpd_tty_comm --> on httpd_unified --> on httpd_use_cifs --> off httpd_use_nfs --> off I've looked into /etc/httpd/conf/httpd.conf and conf.d/ files... Does anybody know what is wrong, how to find out? Regards Alex

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CentOS-announce Digest, Vol 67, Issue 9
by centos-announce-request＠centos.org 29 Sep '10

29 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-2010:0715 CentOS 5 x86_64 xorg-x11-drv-ati Update (Karanbir Singh) 2. CEBA-2010:0715 CentOS 5 i386 xorg-x11-drv-ati Update (Karanbir Singh) 3. CEBA-2010:0712 CentOS 5 x86_64 perl Update (Karanbir Singh) 4. CEBA-2010:0712 CentOS 5 i386 perl Update (Karanbir Singh) 5. CESA-2010:0720 Moderate CentOS 3 i386 mikmod - security update (Tru Huynh) 6. CESA-2010:0720 Moderate CentOS 3 x86_64 mikmod - security update (Tru Huynh) 7. CESA-2010:0720 Moderate CentOS 4 i386 mikmod - security update (Tru Huynh) 8. CESA-2010:0720 Moderate CentOS 4 x86_64 mikmod - security update (Tru Huynh) 9. CESA-2010:0718 Important CentOS 4 i386 kernel - security update (Tru Huynh) 10. CESA-2010:0718 Important CentOS 4 x86_64 kernel - security update (Tru Huynh) ---------------------------------------------------------------------- Message: 1 Date: Tue, 28 Sep 2010 12:52:52 +0000 From: Karanbir Singh <kbsingh(a)centos.org> Subject: [CentOS-announce] CEBA-2010:0715 CentOS 5 x86_64 xorg-x11-drv-ati Update To: centos-announce(a)centos.org Message-ID: <20100928125252.GA7107(a)chakra.karan.org> Content-Type: text/plain; charset=us-ascii CentOS Errata and Bugfix Advisory 2010:0715 Upstream details at : https://rhn.redhat.com/errata/RHBA-2010-0715.html The following updated files have been uploaded and are currently syncing to the mirrors: ( md5sum Filename ) x86_64: 236d22c871a93d27bef49f12e394cb2d xorg-x11-drv-ati-6.6.3-3.27.el5_5.1.x86_64.rpm Source: 7e45d2fabb3c8f46c014afdc39f4b757 xorg-x11-drv-ati-6.6.3-3.27.el5_5.1.src.rpm -- Karanbir Singh CentOS Project { http://www.centos.org/ } irc: z00dax, #centos(a)irc.freenode.net ------------------------------ Message: 2 Date: Tue, 28 Sep 2010 12:52:52 +0000 From: Karanbir Singh <kbsingh(a)centos.org> Subject: [CentOS-announce] CEBA-2010:0715 CentOS 5 i386 xorg-x11-drv-ati Update To: centos-announce(a)centos.org Message-ID: <20100928125252.GA7094(a)chakra.karan.org> Content-Type: text/plain; charset=us-ascii CentOS Errata and Bugfix Advisory 2010:0715 Upstream details at : https://rhn.redhat.com/errata/RHBA-2010-0715.html The following updated files have been uploaded and are currently syncing to the mirrors: ( md5sum Filename ) i386: e84c3e9c215431f4002d177a70e04b68 xorg-x11-drv-ati-6.6.3-3.27.el5_5.1.i386.rpm Source: 7e45d2fabb3c8f46c014afdc39f4b757 xorg-x11-drv-ati-6.6.3-3.27.el5_5.1.src.rpm -- Karanbir Singh CentOS Project { http://www.centos.org/ } irc: z00dax, #centos(a)irc.freenode.net ------------------------------ Message: 3 Date: Tue, 28 Sep 2010 15:07:36 +0000 From: Karanbir Singh <kbsingh(a)centos.org> Subject: [CentOS-announce] CEBA-2010:0712 CentOS 5 x86_64 perl Update To: centos-announce(a)centos.org Message-ID: <20100928150736.GA7683(a)chakra.karan.org> Content-Type: text/plain; charset=us-ascii CentOS Errata and Bugfix Advisory 2010:0712 Upstream details at : https://rhn.redhat.com/errata/RHBA-2010-0712.html The following updated files have been uploaded and are currently syncing to the mirrors: ( md5sum Filename ) x86_64: 3bed17cb47beee0b411cb95cda8edbe3 perl-5.8.8-32.el5_5.2.x86_64.rpm e8a310722df79be050af527862598142 perl-suidperl-5.8.8-32.el5_5.2.x86_64.rpm Source: f2f05fcee0cac84f078151062e39d320 perl-5.8.8-32.el5_5.2.src.rpm -- Karanbir Singh CentOS Project { http://www.centos.org/ } irc: z00dax, #centos(a)irc.freenode.net ------------------------------ Message: 4 Date: Tue, 28 Sep 2010 15:07:35 +0000 From: Karanbir Singh <kbsingh(a)centos.org> Subject: [CentOS-announce] CEBA-2010:0712 CentOS 5 i386 perl Update To: centos-announce(a)centos.org Message-ID: <20100928150735.GA7668(a)chakra.karan.org> Content-Type: text/plain; charset=us-ascii CentOS Errata and Bugfix Advisory 2010:0712 Upstream details at : https://rhn.redhat.com/errata/RHBA-2010-0712.html The following updated files have been uploaded and are currently syncing to the mirrors: ( md5sum Filename ) i386: 7e375cefe264020b716c39ed2d234ae2 perl-5.8.8-32.el5_5.2.i386.rpm 9053936d0b0f171e74dc3ea4597b2816 perl-suidperl-5.8.8-32.el5_5.2.i386.rpm Source: f2f05fcee0cac84f078151062e39d320 perl-5.8.8-32.el5_5.2.src.rpm -- Karanbir Singh CentOS Project { http://www.centos.org/ } irc: z00dax, #centos(a)irc.freenode.net ------------------------------ Message: 5 Date: Wed, 29 Sep 2010 11:47:44 +0200 From: Tru Huynh <tru(a)centos.org> Subject: [CentOS-announce] CESA-2010:0720 Moderate CentOS 3 i386 mikmod - security update To: centos-announce(a)centos.org Message-ID: <20100929094744.GA15026(a)sillage.bis.pasteur.fr> Content-Type: text/plain; charset="us-ascii" CentOS Errata and Security Advisory CESA-2010:0720 mikmod security update for CentOS 3 i386: https://rhn.redhat.com/errata/RHSA-2010-0720.html The following updated file has been uploaded and is currently syncing to the mirrors: i386: updates/i386/RPMS/mikmod-3.1.6-23.el3.i386.rpm updates/i386/RPMS/mikmod-devel-3.1.6-23.el3.i386.rpm source: updates/SRPMS/mikmod-3.1.6-23.el3.src.rpm You may update your CentOS-3 i386 installations by running the command: yum update mikmod Tru -- Tru Huynh (mirrors, CentOS-3 i386/x86_64 Package Maintenance) http://pgp.mit.edu:11371/pks/lookup?op=get&search=0xBEFA581B

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Transferring system to new drive
by Timothy Murphy 29 Sep '10

29 Sep '10

Is there a document with instructions for this? I've had smartd warnings that a hard disk in my server is sick, so I am installing a new drive (in addition to the old). I was thinking of copying the old root partition with sudo cp -a -P /* /mnt/hd (after mounting the prospective new root partition). Then I'd have to modify the new /etc/fstab . Is that a sensible approach? -- Timothy Murphy e-mail: gayleard /at/ eircom.net tel: +353-86-2336090, +353-1-2842366 s-mail: School of Mathematics, Trinity College, Dublin 2, Ireland

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qemu
by mattias 29 Sep '10

29 Sep '10

How to start qemu in textmode The --curses option are removed

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netstat - kill by pid ?
by Carlos S 29 Sep '10

29 Sep '10

I am writing a small script to kill process(es) listening on particular port number. Here I am particularly looking at Java servlet-containers like Tomcat and JBoss, which sometimes don't complete their shutdown process and it still shows up as running process with ps or netstat. This needs to be kill-ed and for that knowing pid of that process is necessary. The netstat by default doesn't give only pid(s), so one has to use sed/awk/tr like utility to extract pid info. Does anyone know any program/utility which gives pid(s) based on listening port numbers? Or is there any option in netstat that I am missing? Thanks, CS.

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Centos-ds directory console problem
by guy＠desgames.com 28 Sep '10

28 Sep '10

I installed centos-ds on a 5.5 installation, following the instructions to a tee, however now when I log onto the Directory Console I only get the Servers and Applications and Users and Groups tabs - no Configuration or Tasks tabs. Initially I was using the wrong password for the Directory Manager user, but when I put in the correct password it just sat there saying "Authenticating Directory Manager..." (something like that). So I followed the instructions to change the password, but now it just does the same thing as before - lets me in, but with no Configuration or Tasks tabs. Obviously I'm being logged in as just an admin user as I can add users, groups and ou's to the tree. Any help on this would be most appreciated. Thanks, Guy

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A question about DRBD and nfs
by Chuck Payne 28 Sep '10

28 Sep '10

Hi, I been working on for about a month and half on setup drbd and nfs. I keep running into issue with the way heartbeat/pacemaker handles nfs. Does anyone know a good way to set up a HA NFS server with DRBD and Heartbeat and NFS. I am willing to share my pain in setting it up. Chuck Payne NEO Linux System Engineer chuck.payne(a)vocolacity.com

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ethtool
by m.roth＠5-cent.us 28 Sep '10

28 Sep '10

We've just moved one a new server from our sever room, where I built it, to the datacenter. We want to force autoneg off, and tell it gigabit and full duplex. Using ethtool, I get no errors setting the speed or duplex. HOWEVER, autoneg on works... and autoneg off utterly refuses to work, and gives: ethtool -s eth0 autoneg off Cannot set new settings: Invalid argument not setting autoneg We're on the most current update of CentOS (ok, last kernel, that will come up on the reboot I'll do shortly), and it's a Broadcom Corporation NetXtreme II BCM5716 Gigabit Ethernet Anyone have an idea what's going on here? mark

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RAID rebuild time and disk utilization....
by Tom Bishop 28 Sep '10

28 Sep '10

So I'm in the process of building and testing a raid setup and it appeared to take along time to build I came across some settings for setting the min amount of time and that helped but it appears that one of the disks is struggling (100 utilization) vs the other one...I was wondering if anyone else has seen this and if so, is their a solution for it...my 2 disks are 1 Samsung F3 1tb /dev/sdb and 1 Seagate 7200.12 1Tb /dev/sdc...smartctl looks good on both.... sar -dbpqu -P ALL 60 1 Linux 2.6.18-194.11.4.el5 (dpcserver) 09/27/2010 10:09:41 AM CPU %user %nice %system %iowait %steal %idle 10:10:41 AM all 0.03 0.00 1.11 0.00 0.00 98.86 10:10:41 AM 0 0.00 0.00 0.00 0.00 0.00 100.00 10:10:41 AM 1 0.10 0.00 1.25 0.00 0.00 98.65 10:10:41 AM 2 0.00 0.00 3.18 0.02 0.00 96.80 10:10:41 AM 3 0.00 0.00 0.02 0.00 0.00 99.98 10:09:41 AM tps rtps wtps bread/s bwrtn/s 10:10:41 AM 838.27 836.41 1.87 107059.98 32.54 10:09:41 AM DEV tps rd_sec/s wr_sec/s avgrq-sz avgqu-sz await svctm %util 10:10:41 AM sda 0.93 0.00 16.27 17.43 0.00 2.12 0.29 0.03 10:10:41 AM sda1 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:10:41 AM sda2 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:10:41 AM sda3 0.93 0.00 16.27 17.43 0.00 2.12 0.29 0.03 10:10:41 AM sdb 209.10 26764.99 0.00 128.00 30.90 148.02 4.78 100.02 10:10:41 AM sdb1 209.10 26764.99 0.00 128.00 30.90 148.02 4.78 100.02 10:10:41 AM sdc 209.10 26764.99 0.00 128.00 0.41 1.94 0.60 12.57 10:10:41 AM sdc1 209.10 26764.99 0.00 128.00 0.41 1.94 0.60 12.57 10:10:41 AM md0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:09:41 AM runq-sz plist-sz ldavg-1 ldavg-5 ldavg-15 10:10:41 AM 0 167 1.02 1.03 1.00 Thanks in advance.....

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