Archive for April, 2010

Nagios/NRPE Issue: Unable to read output

Posted by edyliu in solaris on 2010-04-30

On Solaris you may met the following problem

“nagios – NRPE: Unable to read output”, may caused by the plugin, check the permission and libs

ldd /usr/local/nagios/libexec/check_disk , if it tell you “not found” , try to get the lib from www.sunfreeware.com

libintl.so.8 =>  /usr/local/lib/libintl.so.8
libiconv.so.2 =>         /usr/local/lib/libiconv.so.2
libsec.so.1 =>   /usr/lib/libsec.so.1
libc.so.1 =>     /usr/lib/libc.so.1
libpthread.so.1 =>       /usr/lib/libpthread.so.1
libdl.so.1 =>    /usr/lib/libdl.so.1
libgcc_s.so.1 =>         /usr/local/lib/libgcc_s.so.1
libavl.so.1 =>   /lib/libavl.so.1
libm.so.2 =>     /lib/libm.so.2

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Nginx+php with fpm repository

Posted by edyliu in Howto, linux on 2010-04-30

Glad to announce we got nginx php fpm packaged.

Version: PHP 5.2.13 with Suhosin-Patch 0.9.7 + Nginx 0.7.65

Details: http://www.linuxdict.com/lemp/readme.txt

Any advice/questions would be appericated

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Yum Repo problem : primary.sqlite.bz2: [Errno -1]

Posted by edyliu in Howto, linux on 2010-04-21

This proble happened a lot recently, no idea what’s wrong with CentOS.

updates/primary_db | 687 kB 00:02
http://mirror.nus.edu.sg/centos/5/updates/x86_64/repodata/primary.sqlite.bz2: [Errno -1] Metadata file does not match checksum

I try to clean the cache, but still doesn’t work

Solution: Remove the following lines in /var/cache/yum/updates/repomd.xml

<data type=”primary_db”>

<location href=”repodata/primary.sqlite.bz2″/>

<checksum type=”sha”>d36796c21c77035e68c2ae2e7dc486d75d4659cd</checksum>

<timestamp>1269791791</timestamp>

<open-checksum type=”sha”>5c914da1b9b979b2097ff69062ca21783d5190d7</open-checksum>

<database_version>10</database_version>

</data>

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Install Php5.2 with Yum

Posted by edyliu in Howto, LAMP on 2010-04-09

Install Php5.2.x with yum.
1. Enable development repositories on CentOS, but only for i386

http://wiki.centos.org/HowTos/PHP_5.1_To_5.2

2. Only for Test Enviorment, not recommend for Prod. :)
$rpm –import http://www.jasonlitka.com/media/RPM-GPG-KEY-jlitka
# create /etc/yum.repos.d/utterramblings.repo
$vi /etc/yum.repos.d/utterramblings.repo
# paste the following lines
[utterramblings]
name=Jason's Utter Ramblings Repo
baseurl=http://www.jasonlitka.com/media/EL$releasever/$basearch/
enabled=1
gpgcheck=1
gpgkey=http://www.jasonlitka.com/media/RPM-GPG-KEY-jlitka
$yum update php

http://www.jasonlitka.com/yum-repository/

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Build HA cluster with keepalived

Posted by edyliu in Howto on 2010-04-02

OS: CentOS 5.4
Software:
keepalived, openssl097a, lighttpd
Arch:
—————|–lb_master (192.168.1.101/24)
Visitors -(VIP) -|
—————|–lb_slave (192.168.1.102/24)
VIP: 192.168.1.100/24

Install
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Change vdi UUID with VBoxManage

Posted by edyliu in Howto on 2010-04-02

We can directly copy the vdi for new VirtualBox vms.but the UUID will be the same as old one. so we need to change the UUID

$VBoxManage internalcommands setvdiuuid /opt/vms/c52_master.vdi
VirtualBox Command Line Management Interface Version 3.0.10
(C) 2005-2009 Sun Microsystems, Inc.
All rights reserved.
UUID changed to: aa742648-c3f4-408f-bde8-827dadff5cca

if in Windows, find the installation directory of Virtualbox and then run the VBoxManager.exe command in cmd lines.

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