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Tomcat5 with Oracle/Sun jdk on CentOS 5.8
by James Pifer 21 May '12

21 May '12

I know this question could be asked on tomcat or possibly other mailing lists, but I'm hoping I can get some help here instead of joining yet another list. I'm running tomcat5 on CentOS 5.8. I'm trying to setup Oracle/Sun java rather than icedtea. I've installed the latest jdk 1.7 and setup alternatives on centos for java and javac: # java -version java version "1.7.0_03" Java(TM) SE Runtime Environment (build 1.7.0_03-b05) Java HotSpot(TM) 64-Bit Server VM (build 22.1-b02, mixed mode) I've also set /etc/tomcat5/tomcat5.conf to point JAVA_HOME to this jdk. When I try to start tomcat5 I get: 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 [ OK ] Using CATALINA_BASE: /usr/share/tomcat5 Using CATALINA_HOME: /usr/share/tomcat5 Using CATALINA_TMPDIR: /usr/share/tomcat5/temp Using JRE_HOME: /usr/bin/dtomcat5: line 343: /usr/lib/jvm/java/bin/java: No such file or directory Using CATALINA_BASE: /usr/share/tomcat5 Using CATALINA_HOME: /usr/share/tomcat5 Using CATALINA_TMPDIR: /usr/share/tomcat5/temp Using JRE_HOME: /usr/bin/dtomcat5: line 321: /usr/lib/jvm/java/bin/java: No such file or directory I've been searching google all morning and haven't found a solution. I'd be willing to try jdk 1.5 or 1.6 if that is the fix, but I'm doubting that's the fix. I'm also not sure where tomcat5 set JRE_HOME. Been searching and can't find it. Anyone here know how to resolve this? Any assistance is appreciated. Thanks, James

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NFS - Strage Problem
by Shiv. NK 21 May '12

21 May '12

Hi Dear List, i am experiencing strange problem with NFS, they is CentOS 6.2 x86_64 machines. One CentOS is sharing two directories (following) /etc 192.168.0.41(rw,sync,no_root_squash) /var/named/master 192.168.0.41(rw,sync,no_root_squash) nfs is started on server side there are proper entries in fstab at client side for both shares. however server is able to mount "/etc" alright but not "/var/named/master" any idea ? why that. Thanks Nath

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CentOS-announce Digest, Vol 87, Issue 11
by centos-announce-request＠centos.org 21 May '12

21 May '12

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-2012:0674 CentOS 5 net-snmp Update (Johnny Hughes) 2. CEBA-2012:0673 CentOS 6 nfs-utils Update (Johnny Hughes) ---------------------------------------------------------------------- Message: 1 Date: Mon, 21 May 2012 10:19:59 +0000 From: Johnny Hughes <johnny(a)centos.org> Subject: [CentOS-announce] CEBA-2012:0674 CentOS 5 net-snmp Update To: centos-announce(a)centos.org Message-ID: <20120521101959.GA30117(a)chakra.karan.org> Content-Type: text/plain; charset=us-ascii CentOS Errata and Bugfix Advisory 2012:0674 Upstream details at : https://rhn.redhat.com/errata/RHBA-2012-0674.html The following updated files have been uploaded and are currently syncing to the mirrors: ( sha256sum Filename ) i386: f35693760f59d58949e62cfdabc4707100f9f65b7511eaef4df73ef17ea428ac net-snmp-5.3.2.2-17.el5_8.1.i386.rpm 1b240f3bfe66f6d4c57a65f425a3a08b7ff7f5046003a01f3fa11752b8d21fdc net-snmp-devel-5.3.2.2-17.el5_8.1.i386.rpm 91daec6672b3fc03133adaa52d09f4c9698c1f75431cbd80be0e2fdfb93097ed net-snmp-libs-5.3.2.2-17.el5_8.1.i386.rpm 16bd4c0409f8e2ce254fa687bbb74e36f3bba1a74c689486852b138bd4373724 net-snmp-perl-5.3.2.2-17.el5_8.1.i386.rpm 92050047f5a531f09b70927571e99b9e6d8237c196866c89cf3e998f5b876489 net-snmp-utils-5.3.2.2-17.el5_8.1.i386.rpm x86_64: a2f13372a16c0bd48b3922b28a6861d76b415dad1540a4daf13354c660a188db net-snmp-5.3.2.2-17.el5_8.1.x86_64.rpm 1b240f3bfe66f6d4c57a65f425a3a08b7ff7f5046003a01f3fa11752b8d21fdc net-snmp-devel-5.3.2.2-17.el5_8.1.i386.rpm bf0deb282689a8c785bd39bbcdd356833409c7c96cd13d33cc77695792d72bf3 net-snmp-devel-5.3.2.2-17.el5_8.1.x86_64.rpm 91daec6672b3fc03133adaa52d09f4c9698c1f75431cbd80be0e2fdfb93097ed net-snmp-libs-5.3.2.2-17.el5_8.1.i386.rpm 7b1b4a43cde5a4643647c1ae474f286f316bc9985901f40316d50a5e1bf57bb9 net-snmp-libs-5.3.2.2-17.el5_8.1.x86_64.rpm 4bb76faf5e628b863d0ee9fcffeb5eafa5cabebab4db536e914b6fc72b74e99e net-snmp-perl-5.3.2.2-17.el5_8.1.x86_64.rpm 07f68c1d162a489a409c0965866ce8b02d5861fac24c864ba4e20ce770b28769 net-snmp-utils-5.3.2.2-17.el5_8.1.x86_64.rpm Source: c93084c2431087c41b18c6e8981f96ea4829ca3b2df7834ee6537f0666b506e3 net-snmp-5.3.2.2-17.el5_8.1.src.rpm -- Johnny Hughes CentOS Project { http://www.centos.org/ } irc: hughesjr, #centos(a)irc.freenode.net ------------------------------ Message: 2 Date: Mon, 21 May 2012 12:47:22 +0000 From: Johnny Hughes <johnny(a)centos.org> Subject: [CentOS-announce] CEBA-2012:0673 CentOS 6 nfs-utils Update To: centos-announce(a)centos.org Message-ID: <20120521124722.GA5137(a)chakra.karan.org> Content-Type: text/plain; charset=us-ascii CentOS Errata and Bugfix Advisory 2012:0673 Upstream details at : https://rhn.redhat.com/errata/RHBA-2012-0673.html The following updated files have been uploaded and are currently syncing to the mirrors: ( sha256sum Filename ) i386: 00853a84954ef8218f00482ad1e2804a9bef3bd5e9e74c1747b155ae738e3f6d nfs-utils-1.2.3-15.el6_2.1.i686.rpm x86_64: 3b6db26dbd7fd31fa2cc294e875c36967f0abfbd9300bb4ff5b3c0f3a68ffc10 nfs-utils-1.2.3-15.el6_2.1.x86_64.rpm Source: 463b97e7281107122ebca4feff985ed746bb579894a6943c8d7150f9b6c57596 nfs-utils-1.2.3-15.el6_2.1.src.rpm -- Johnny Hughes CentOS Project { http://www.centos.org/ } irc: hughesjr, #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 87, Issue 11 ***********************************************

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Z-Stream?
by Dennis Jacobfeuerborn 20 May '12

20 May '12

Hi, I just learned that there exists a "z-stream" channel upstream that apparently carries some important bugfixes. Does anyone know what the policies are for this channel and how this relates to centos releases? Regards, Dennis

4 3

A desktop Centos remix
by nux＠li.nux.ro 20 May '12

20 May '12

Hello Centos users! I'm doing a Centos 6 desktop oriented remix called Stella. This has been brewing since the summer and it's starting to get ready. :-) I've backported a lot of packages from Fedora and Rpmfusion and I bundle several other repos, too, resulting in a big range of software available, including but not limited to: LibreOffice, VLC, MPlayer, Shutter, Arista, Java, Flash, GParted, extra wifi drivers etc. You can read (just slightly) more about it here: http://li.nux.ro/stella. I'd love to receive any feedback. Cheerio! Nux

2 2

hack / spam/ probe /attack
by bob 19 May '12

19 May '12

so last night all my servers were severely probed and they tried to violate me (lol) the attack was so egregious I decided to contact the isp for that ip. Telepacific. The ip has some google searches that point to a few spam and a few attacks...So i assume a compromised server. So I sent them the info and said it must be a hacked server (the ip is on their business network) they responded ' you are not a customer and we cannot by law discuss a customer with you' They wanted me to contact my datacenter so they could look into it. I responded and told them the info again and they basically said it is up to my isp or datacenter to deal with it and to basically 'go away' that was my first attempt to notify an isp about a hacker/hacked computer on their servers....did not go so well. Is that the way they all deal with these issues? was not expecting that from the isp

10 14

Installation of CentOS 6 on KVM - Hangs
by Tim Nelson 18 May '12

18 May '12

Greetings- I'm attempting to install CentOS-6 x86_64 to a virtual machine running via KVM on a Proxmox 1.9 system. The specs are 4x CPUs, 4GB RAM, and 160GB HDD. Installation proceeds fine using either minimal or netinstall CDs until installation of the selinux or qla2xx-firmware RPMs. At this point, the installation hangs, and never completes. I'm unable to see what is going on 'under the hood' on another TTY as the console does not appear to be accepting my CTL-ALT-Fx commands either. I have also tried installing using the full bin DVD1, but the initial installation errors out immediately noting the yum package cannot be read from source disk/etc. And yes, I have checked the MD5s on all downloaded ISOs. I can readily duplicate this. Any thoughts or pointers on the cause and/or solution? Thanks! --Tim

6 11

VMWare Issue
by Rhugga Harper 18 May '12

18 May '12

Ok. I run several linux distro's via vmware on top of my windows 7 machine. Currently have an Ubuntu 32-bit 10.4 guest for work. An Ubuntu 11.10 64-bit for misc stuff. Also an OEL 6.2 guest running an oracle database. I just installed CentOS 5.6 32-bit and I can't get the display to work right. When it first boots, the screen is very small and almost impossible to select the username field and log in. Once I log in if I de-select full screen and then re-select full-screen it updates to the correct size. I've installed vmware tools three times now. Inside the centos guess I set my resolution to 1920x1200, which matches my windows 7 machine as well as the resolution I run the other linux guests at. I set the monitor to "generic 1920x1200 LCD" because my monitor type isn't detected. (Samsung P2770H) Video adapter is set to vmware. (Actual device is an ATI HD 6950) Anyone have any ideas?

3 2

Setting overcommit_memory=2 kills system
by Michael Coffman 18 May '12

18 May '12

Hello, In general I am in the habit of turning off memory overcommit because I believe it's a bad thing in a multi-user environment. This was never a problem on rhel5 systems, but on rhel6, I am having issues. When I try to set overcommit_memory=2, my system locks up. It basically behaves as if the memory is all used up... I see the same behavior on centos6 or rhel6. Following is some output from each platform. # -- RHEL6 # uname -a Linux joker 2.6.32-220.el6.x86_64 #1 SMP Wed Nov 9 08:03:13 EST 2011 x86_64 x86_64 x86_64 GNU/Linux #lsb_release -a LSB Version: :core-4.0-amd64:core-4.0-noarch:graphics-4.0-amd64:graphics-4.0-noarch:printing-4.0-amd64:printing-4.0-noarch Distributor ID: RedHatEnterpriseWorkstation Description: Red Hat Enterprise Linux Workstation release 6.2 (Santiago) Release: 6.2 Codename: Santiago # free total used free shared buffers cached Mem: 2052176 234828 1817348 0 15352 112852 -/+ buffers/cache: 106624 1945552 Swap: 2052088 0 2052088 # sysctl -a |grep commit vm.overcommit_memory = 0 vm.overcommit_ratio = 50 vm.nr_overcommit_hugepages = 0 # sysctl -w vm.overcommit_memory=2 vm.overcommit_memory = 2 # ls -bash: fork: Cannot allocate memory # #--- CENTOS6 -------------------------- # uname -a Linux joker 2.6.32-220.el6.x86_64 #1 SMP Tue Dec 6 19:48:22 GMT 2011 x86_64 x86_64 x86_64 GNU/Linux # lsb_release -a LSB Version: :core-4.0-amd64:core-4.0-noarch:graphics-4.0-amd64:graphics-4.0-noarch:printing-4.0-amd64:printing-4.0-noarch Distributor ID: CentOS Description: CentOS release 6.2 (Final) Release: 6.2 Codename: Final # free total used free shared buffers cached Mem: 2052176 378668 1673508 0 19472 252576 -/+ buffers/cache: 106620 1945556 Swap: 2052088 0 2052088 # sysctl -a |grep commit vm.overcommit_memory = 0 vm.overcommit_ratio = 50 vm.nr_overcommit_hugepages = 0 # sysctl -w vm.overcommit_memory=2 vm.overcommit_memory = 2 [root@joker ~]# ls -bash: fork: Cannot allocate memory One last point. If I set the overcommit values in /etc/sysctl.conf and then reboot, the values get set correctly on boot and everything seems fine. In addition I can then change the value of overcommit_memory to 0 and back to 2 with out any ill affects. Searches for issues with setting overcommit_memory=2 haven't turned up anything useful.. Thanks. -- -MichaelC

4 10

6.2 minimal install NIC driver issue
by m.roth＠5-cent.us 18 May '12

18 May '12

I tried to upgrade one user's system, a Dell Optiplex GX620, and yum got a GPF. After *much* grief, I finally gave up, and rebuilt the system. Or, rather, I'm trying to. First problem: I did a minimal install from the graphical installer - I don't know if that's relevant - but when it boots, it does *not* install the NIC driver, tg3, on boot. I've got eth0 defined in /etc/udev/rules.d/70-persistant-net.rules, I made an /etc/sysconfig/network-scripts/ifcfg-eth0, and it's onboot, and in /etc/sysconfig/network, that says yes. As soon as I *manually* modprobe tg3, the network comes up. I'm still trying to solve the libpython2.6 update that GPFs.... I haven't had this on anyone else that was getting the 2.6.32-220.17 update.... mark

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