Linux Ask!

Linux Ask! is a Q & A web site specific for Linux related questions. Questions are collected, answered and audited by experienced Linux users.

Sep 042010

Yum repository mirror for old CentOS' versions


Most CentOS' mirrors don't host full mirror of Yum repository for all versions of CentOS. If you are using older version of CentOS, you might one-day found the yum update is broken since the mirror no longer contains the files you needed.

In this case, you can modify the file /etc/yum.repos.d/CentOS-Base.repo and change all paths point to the following:


Then do a yum update to reflect the changes.

Apr 152010

How to tell if Apache 2 is using prefork or worker MPM?


If you are running in Red Hat Linux/ Fedora/ CentOS

# httpd -V
Architecture:   64-bit
Server MPM:     Prefork
  threaded:     no
    forked:     yes (variable process count)

If you are running in Debian/ Ubuntu, you can use apache2 -V, which get the same output as above.