Category Archives: How To

Highly Available Linux Cluster for (LAMP) Apache, MySQL, PHP using DRBD and HeartBeat on CentOS / RedHat / Fedora

centos    mysql      images

Disclaimer:
The following steps are performed on Virtual machines and tested successfully.
It is advised to test first on raw / virtual machines and then in production environment.

We will setup for Apache Webserver and MySQL on High Availability Cluster (2 Nodes).

Test Scenario: Continue reading

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Installing MantisBT – A Bug Tracking System

By: Muhammad Farrukh Siddique

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MantisBT version: 1.2.17
CentOS version: 6.2
Apache version: 2.2.15
PHP version: 5.3.3
MySQL version: 5.1.73
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Disable SELinux and configure iptables accordingly.

to disable SELinux open file

# vim /etc/sysconfig/selinux

change the enforcing status to disables, as below:

SELINUX=disabled

save and quit

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Transparent Squid Cache Proxy Server Configuration in 5 easy steps on CentOS / RHEL / Fedora Core / Scientific Linux

Configure Transparent Squid cache proxy in 5 Easy Steps on CentOS RHEL Fedora Scientific Linux   

Step 1

[root@squid-server ~]#vim /etc/sysctl.conf
# Controls IP packet forwarding
net.ipv4.ip_forward = 1 #### If it is 0 make it 1 for packet forwarding ####
wq!
[root@squid-server ~]#sysctl -p

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