NIX (unix OR”linux” OR”ubuntu” OR”kubuntu” OR”redhat” OR”debian” OR”centos” OR”fedora”)

Linux入门

http://vbird.dic.ksu.edu.tw/

SELinux

Set right for apache/httpd:

https://access.redhat.com/site/documentation/en-US/Red_Hat_Enterprise_Linux/6/html/Security-Enhanced_Linux/sect-Security-Enhanced_Linux-Working_with_SELinux-SELinux_Contexts_Labeling_Files.html

To disable selinux:

http://www.thegeekstuff.com/2009/06/how-to-disable-selinux-redhat-fedora-debian-unix/

Install RHEL EPEL Repo on Centos 6

wget http://dl.fedoraproject.org/pub/epel/6/x86_64/epel-release-6-8.noarch.rpm
wget http://rpms.famillecollet.com/enterprise/remi-release-6.rpm
sudo rpm -Uvh remi-release-6*.rpm epel-release-6*.rpm

sudo vim /etc/yum.repos.d/remi.repo 
    enabled=1

http://www.rackspace.com/knowledge_center/article/installing-rhel-epel-repo-on-centos-5x-or-6x