Why am I getting an Apache Proxy 503 error?

Question

My server was doing just fine up until yesterday. It was running Redmine, and it was the happiest little server until my \"friend\" imported a SQL table that my

Answer 1

Fist, you must install selinux: (SELinux stands for Security-Enhanced Linux.)

apt-get install selinux

After that, you can enable Security Policy of SElinux by follow command:

sed -i 's/SELINUX=.*/SELINUX=permissive/' /etc/selinux/config 

Notice:

#     enforcing - SELinux security policy is enforced.
#     permissive - SELinux prints warnings instead of enforcing.
#     disabled - No SELinux policy is loaded.

Final,restart apache!