I am a new GNU/Linux user. I see a colorful bash prompt. Traditional command such as grep command or ls command also display output in colors. I would also like a turn off colors in vim text editor. I do not like colors. How can I turn off color listing in Linux terminal?
I am using PHP 5.6.xx and Nginx server on an Apline Linux server. I want to hide ‘X-Powered-By: PHP/5.6.32’ HTTP header. How can I hide PHP version when using Nginx along with PHP-fpm5 or PHP-fpm7?
OpenSSH offers RSA and DSA authentication to remote systems without supplying a password. keychain is a special bash script designed to make key-based authentication incredibly convenient and flexible. It offers various security benefits over passphrase-free keys. How do I install keychain on a CentOS Linux 6.x or 7.x?
I have installed an OpenVPN server on a Debian Linux server. I have a client.ovpn file for my VPN server. How do I use it with Network Manager GUI? Is it possible to install or import client.ovpn file using the command line with Network Manager on a Ubuntu Linux or CentOS Linux desktop?