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logrotate.d - reload vs restart
by Frank Cox 28 Dec '10

28 Dec '10

Looking at some of the stuff in /etc/logrotate.d, I see entries like this in some of the configuration files: postrotate /sbin/service privoxy reload 2> /dev/null || true >From the commandline, that doesn't work: # /sbin/service privoxy reload 2> /dev/null || true Usage: /etc/init.d/privoxy {start|stop|restart} Changing reload to restart does work: ]# /sbin/service privoxy restart 2> /dev/null || true Stopping Privoxy, OK. Starting Privoxy, OK. I find "reload" in the httpd logrotate file as well: postrotate /sbin/service httpd reload > /dev/null 2>/dev/null || true What am I failing to understand? -- MELVILLE THEATRE ~ Melville Sask ~ www.melvilletheatre.com www.creekfm.com - FIFTY THOUSAND WATTS of POW WOW POWER!

4 9

Kickstart Network Configuration Issues
by Daniel Theisen 28 Dec '10

28 Dec '10

Hello all, I've been struggling with an issue with my kickstart configuration for a while now. My kickstart files are stored within the initrd image. What I would like to do here, is when the kickstart first starts up, I want it to grab a DHCP address (it does at the moment) so it can grab all of the necessary installation data off the net. Then, at some point _IN_ the install process, I'd like to have it query for manually input network settings. Here is my current kickstart script: auth --useshadow --enablemd5 bootloader --location=mbr zerombr clearpart --all --initlabel text firewall --enabled --port=22:tcp firstboot --disable keyboard us lang en_US logging --level=info url --url=http://mirror.nexcess.net/CentOS/5.5/os/x86_64/ reboot --eject rootpw --iscrypted xx selinux --enforcing skipx timezone --isUtc America/Detroit install part /boot --bytes-per-inode=4096 --fstype="ext3" --size=512 --ondisk=sda part swap --bytes-per-inode=4096 --fstype="swap" --size=2048 --ondisk=sda part / --bytes-per-inode=4096 --fstype="ext3" --grow --size=1 --ondisk=sda part /backup --bytes-per-inode=4096 --fstype="ext3" --grow --size=1 --ondisk=sdb network --bootproto=dhcp --device=eth0 %packages --nobase @core system-config-network-tui %post echo "nameserver 4.2.2.1" > /etc/resolv.conf echo "nameserver 8.8.8.8" >> /etc/resolv.conf # write netconfig script cat << EOF > /bin/netconfig #!/bin/bash # check if user is root if [[ \$EUID -ne 0 ]]; then echo "This script must be run as root" 1>&2 exit 1 fi # run system-config-network-tui /usr/sbin/system-config-network-tui # set variables eth0f="/etc/sysconfig/network-scripts/ifcfg-eth0" eth1f="/etc/sysconfig/network-scripts/ifcfg-eth1" netcfg="/etc/sysconfig/network" # turn on eth1 if it has an address, remove gateway.. shouldn't be set here # anyways if [ -f "\$eth1f" ]; then if grep -q "IPADDR" \$eth1f; then sed -i 's/ONBOOT=no/ONBOOT=yes/' \$eth1f sed -i '/^GATEWAY/d' \$eth1f sed -i '/^HOTPLUG/d' \$eth1f fi fi # move gateway from ifcfg-eth0 to /etc/sysconfig/network if [ -f "\$eth0f" ]; then e0gw=\$(grep "GATEWAY" \$eth0f) sed -i '/^GATEWAY/d' \$eth0f # check to see if the gateway is already set. if it is, delete it first if ! grep -q "GATEWAY" /etc/sysconfig/network; then echo \$e0gw >> \$netcfg else sed -i '/^GATEWAY/d' \$netcfg echo \$e0gw >> \$netcfg fi fi EOF chmod +x /bin/netconfig At the moment, I have a not-so-elegant script written to the server to be run manually after install. I began using system-config-network-tui vanilla, but realized it had some differences from the network configuration tool in anaconda (net.c?) I tried my best to correct those differences with my netconfig script. I've already tried running system-config-network-tui in the %post section, but it doesn't seem to work. If anyone has had experience in dealing with a scenario such as this, any help would be greatly appreciated. Thanks, Daniel Theisen <dtheisen(a)nexcess.net>

3 3

Hello
by portablemanagement＠yahoo.com 28 Dec '10

28 Dec '10

Hello I need a clean link for a Cent us download please I don't want to risk any virus'. Thank you kindly for such a wonderful program!

3 2

Re: [CentOS] Hello
by Mike Burger 28 Dec '10

28 Dec '10

Did you try the mirror list located on the CentOS site? > Hello I need a clean link for a Cent us download please I don't want to > risk any virus'. > Thank you kindly for such a wonderful program! > > _______________________________________________ > CentOS mailing list > CentOS(a)centos.org > http://lists.centos.org/mailman/listinfo/centos > -- Mike Burger http://www.bubbanfriends.org Visit the Dog Pound II BBS telnet://dogpound2.citadel.org or http://dogpound2.citadel.org To be notified of updates to the web site, visit: https://www.bubbanfriends.org/mailman/listinfo/site-update or send a blank email message to: site-update-subscribe(a)bubbanfriends.org

1 0

Server unresponsive until reboot, memory exhausted
by james 28 Dec '10

28 Dec '10

I'm having an issue with an apache web server running the latest CentOS5 kernel (this issue is not new to the kernel). After a few days/weeks of running the server will become unresponsive and will require a physical reboot in order to come back online. The system is so unresponsive when the issue occurs that login at console is not even possible. I have atop installed and have looked back before the crash to see what happened process wise and I can see the http starts using a lot of memory and CPU usage. The vmcommit jumps from 1.8 GB to 4.8GB in a matter of a few minutes. The VSIZE of the httpd process jumps from 8.1GB to 36.9GB. So apache is doing something -- but how can I get historical data for this? I also see that paging is very active, probably why the server is unresponsive. I have looked through the apache logs and system logs and there is nothing obvious that is consuming all that memory. I know of the server-status module for apache but that is only useful if you can get to the server during the crash (I can't) and doesn't have any historical data. The issue occurs seemingly randomly, last time in the middle of the night with little or no user traffic. James

2 1

E1000 eth1 link flakiness - causes??
by E Westphal 28 Dec '10

28 Dec '10

Have you experienced this? What's going on when this occurs? What do I need to do to keep it from occurring? Please advise. Thanks. Dec 4 10:18:17 localhost kernel: e1000: eth1 NIC Link is Down Dec 4 10:18:19 localhost kernel: e1000: eth1 NIC Link is Up 100 Mbps Full Duplex, Flow Control: RX/TX Dec 4 10:18:21 localhost kernel: e1000: eth1 NIC Link is Down Dec 4 10:18:23 localhost kernel: e1000: eth1 NIC Link is Up 100 Mbps Full Duplex, Flow Control: RX/TX Dec 4 10:18:24 localhost kernel: e1000: eth1 NIC Link is Down Dec 4 10:18:25 localhost kernel: e1000: eth1 NIC Link is Up 100 Mbps Full Duplex, Flow Control: RX/TX Dec 4 10:18:26 localhost kernel: e1000: eth1 NIC Link is Down Dec 4 10:18:28 localhost kernel: e1000: eth1 NIC Link is Up 100 Mbps Full Duplex, Flow Control: RX/TX Dec 4 10:18:29 localhost kernel: e1000: eth1 NIC Link is Down Dec 4 10:18:31 localhost kernel: e1000: eth1 NIC Link is Up 100 Mbps Full Duplex, Flow Control: RX/TX Dec 4 10:18:37 localhost kernel: e1000: eth1 NIC Link is Down Dec 4 10:18:39 localhost kernel: e1000: eth1 NIC Link is Up 100 Mbps Full Duplex, Flow Control: RX/TX Dec 4 10:18:42 localhost kernel: e1000: eth1 NIC Link is Down Dec 4 10:18:43 localhost kernel: e1000: eth1 NIC Link is Up 100 Mbps Full Duplex, Flow Control: RX/TX Dec 4 10:19:07 localhost kernel: e1000: eth1 NIC Link is Down Dec 4 10:19:08 localhost kernel: e1000: eth1 NIC Link is Up 100 Mbps Full Duplex, Flow Control: RX/TX Dec 4 10:19:13 localhost kernel: e1000: eth1 NIC Link is Down Dec 4 10:19:14 localhost kernel: e1000: eth1 NIC Link is Up 100 Mbps Full Duplex, Flow Control: RX/TX Dec 4 10:19:17 localhost kernel: e1000: eth1 NIC Link is Down Dec 4 10:19:19 localhost kernel: e1000: eth1 NIC Link is Up 100 Mbps Full Duplex, Flow Control: RX/TX Dec 4 10:19:20 localhost kernel: e1000: eth1 NIC Link is Down

6 7

donations
by Jerry Geis 28 Dec '10

28 Dec '10

Just checked the donations page on main site. It still says "waiting" till mid 2010. Since we are past that was wondering if there was an update. Jerry

1 0

what process is sending this packet?
by S Mathias 27 Dec '10

27 Dec '10

I can see, that theres a program that keeps sending packets on port 25: Dec 27 14:11:46 a kernel: [ 6336.992320] O_D_LOG: IN= OUT=lo SRC=127.0.0.1 DST=127.0.0.1 LEN=60 TOS=0x00 PREC=0x00 TTL=64 ID=61533 DF PROTO=TCP SPT=37263 DPT=25 WINDOW=32792 RES=0x00 SYN URGP=0 Dec 27 14:12:01 a kernel: [ 6352.635704] O_D_LOG: IN= OUT=lo SRC=127.0.0.1 DST=127.0.0.1 LEN=60 TOS=0x00 PREC=0x00 TTL=64 ID=55853 DF PROTO=TCP SPT=40644 DPT=25 WINDOW=32792 RES=0x00 SYN URGP=0 Dec 27 14:12:04 a kernel: [ 6355.641085] O_D_LOG: IN= OUT=lo SRC=127.0.0.1 DST=127.0.0.1 LEN=60 TOS=0x00 PREC=0x00 TTL=64 ID=55854 DF PROTO=TCP SPT=40644 DPT=25 WINDOW=32792 RES=0x00 SYN URGP=0 Dec 27 14:12:10 a kernel: [ 6361.649059] O_D_LOG: IN= OUT=lo SRC=127.0.0.1 DST=127.0.0.1 LEN=60 TOS=0x00 PREC=0x00 TTL=64 ID=55855 DF PROTO=TCP SPT=40644 DPT=25 WINDOW=32792 RES=0x00 SYN URGP=0 but where or how could i find out, that what process sends these packets? thank you!

4 3

tomcat errors starting after upgrade from cent5.3 to 5.5 (/rebuild-jar-repository: error: Could not find)
by Frank Even 27 Dec '10

27 Dec '10

We just upgraded Cent from 5.3 to 5.5 on a bunch of servers with little to no issues (kudos to you guys) except on a few servers where it appears we are having a problem w/ the Tomcat upgrade. Previously our application server was working fine under 5.3 with Tomcat/Java installed as such: java-1.4.2-gcj-compat-1.4.2.0-40jpp.115 java-1.6.0-openjdk-1.6.0.0-0.30.b09.el5 java-1.6.0-openjdk-devel-1.6.0.0-0.30.b09.el5 java-sun-jdbc-stdext-2.0.1-1mamba java-sun-jdbc-stdext-javadoc-2.0.1-1mamba tomcat5-5.5.23-0jpp.7.el5_2.1 tomcat5-common-lib-5.5.23-0jpp.7.el5_2.1 tomcat5-jasper-5.5.23-0jpp.7.el5_2.1 tomcat5-jsp-2.0-api-5.5.23-0jpp.7.el5_2.1 tomcat5-server-lib-5.5.23-0jpp.7.el5_2.1 tomcat5-servlet-2.4-api-5.5.23-0jpp.7.el5_2.1 Now that we've run the full update, we have this installed: java-1.4.2-gcj-compat-1.4.2.0-40jpp.115 java-1.6.0-openjdk-1.6.0.0-1.16.b17.el5 java-1.6.0-openjdk-devel-1.6.0.0-1.16.b17.el5 java-sun-jdbc-stdext-2.0.1-1mamba java-sun-jdbc-stdext-javadoc-2.0.1-1mamba tomcat5-5.5.23-0jpp.11.el5_5 tomcat5-common-lib-5.5.23-0jpp.11.el5_5 tomcat5-jasper-5.5.23-0jpp.11.el5_5 tomcat5-jsp-2.0-api-5.5.23-0jpp.11.el5_5 tomcat5-server-lib-5.5.23-0jpp.11.el5_5 tomcat5-servlet-2.4-api-5.5.23-0jpp.11.el5_5 tzdata-java-2010l-1.el5 I don't see any significant changes. All of the configs appear to be the same. Yet now on our application startup, we see the following: Starting tomcat5: /usr/bin/rebuild-jar-repository: error: Could not find jdbc-stdext Java extension for this JVM /usr/bin/rebuild-jar-repository: error: Could not find jndi Java extension for this JVM /usr/bin/rebuild-jar-repository: error: Some detected jars were not found for this jvm /usr/bin/rebuild-jar-repository: error: Could not find jaas Java extension for this JVM /usr/bin/rebuild-jar-repository: error: Some detected jars were not found for this jvm ....what could have changed to have caused these issues? Having trouble hunting this down. Any help that could be provided would be sincerely appreciated. Thanks, Frank

2 5

Moving from Fedora -- Advice??
by Beartooth 27 Dec '10

27 Dec '10

I'm running Fedora14 on all machines, including my wife's -- and I'm the nearest (distant) thing there is to tech support. She's far more likely to outlive me than I her; so I want to install something requiring a lot less maintenance on her machine, so that she'll have it and be used to it, years ahead of need. I'm thinking CentOS 6, whenever it's ready, is probably my best choice. Any thoughts? (And yes, I do mean what my .sig says.) -- Beartooth Staffwright, Neo-Redneck Not Quite Clueless Power User I have precious (very precious!) little idea where up is.

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