Say you have two machines one client and the other server. You want to ssh <server_user>@<server> from <client_user>@<client> without password. Follow the following steps:- Login as <client_user> on <client> machine. run command : ssh-keygen -t rsa hit enter for any prompts. This shall create two files id_rsa (private key) and id_rsa.pub (public key) under ~/.ssh …
Sometimes after fresh CENTOS installation, network interfaces may not come up. Here is the simple set of commands which should enable the Network interface(s) :- service NetworkManager stop rm /var/lib/NetworkManager/NetworkManager.state service NetworkManager start
Edit file /etc/sysconfig/network-scripts/route-eth0 (or whichever interface you want to route through). You can add as many routes as you would like per interface by simply incrementing the number at the end of each statement. Once saved a restart of the network services will force a read of this route file. The syntax of the file …