I have a bash shell variable called u="this is a test". How can I extract the “test” string and store into a shell variable?
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?
penSSH 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?
jango 2.0 released. How do I install it on the Ubuntu Linux 16.04 LTS server? How do I create a sample “Hello world” view and /admin/ section for Django 2.x?
ow do I use a heredoc redirection feature (here documents) to write data to a file in my bash shell scripts?
have installed both CentOS Linux version 6.x and 7.x using LXD vm. I am unable to access man pages and getting the following error: $ man date
bash: man: command not found
How to install man pages on my CentOS 6/7 VM?
My Linux distro comes with Firefox ESR. I read Firefox 57 is over twice as fast as Firefox from 6 months ago, built on a completely overhauled core engine with brand new technology. How do I installed newly released Firefox version 57 “Quantum” on a Linux operating system?