Silviu Mocanu

One of the most important things for an administrator is to keep track of the changes. The preferred  way to do that is to use a configuration management system , like ' cfengine ', ' puppet ', ' chef ', ' ansible ' or you named it. Even so, you should still be able to see what exactly was changed on you system and when. I'm using ' etckeeper '  to do that and I'm thinking that it is very useful. The most important Unix distributions are including this software and you can install it by using your favorite package manager. On CentOS6, you can run: [root@centos6 ~]# yum install etckeeper After installing, at least on CentOS, you have to initialize the repository, by running: [root@centos6 ~]# etckeeper init Initialized empty Git repository in /etc/.git/ The last thing is to commit these changes, that means that you will add the entire /etc directory to the repository: [root@centos6 ~]# etckeeper commit -m "initial com...