Git Cheat Sheet
Check if installed git --version Setup git config --global user.name "Presidio Production" git config --global user.email "presidio_production@gmail.com" git config --list Initialize git on directory Browse the root directory of the project you want to...
Install LetsEncrypt on Centos 6
Let’s Encrypt is a free, automated, and open certificate authority (CA), run for the public’s benefit. It is a service provided by the Internet Security Research Group (ISRG). The key principles behind Let’s Encrypt are: Free: Anyone who owns a domain name can use...
How to check for open ports in Linux
We use nmap Install nmap # yum install nmap Now use the following format to check for open ports # nmap -p (port-number) (ip-address/domain-name) # nmap -p 80 google.com # nmap -p 80 192.168.1.1
How to ping servers in Linux
Pinging servers in Linux is easy. Just like we do on Windows cmd shell. Just write ping followed by IP address or domain name. # ping 192.168.1.1
Change WordPress themes in database
How to Change WordPress themes using Database? Some times you come across a situation that you cant access your site for some reason. For example I had a bug in my theme's functions.php file and I could not even access my wp-admin. Only solution was to change the...
Change SSH listen to port other than default 22
It is probably best to change the default SSH port to add some protection to your server. You need to change the SSH server's configuration file by running the following command. nano /etc/ssh/sshd_config It opens up the config file in NANO editor. Look for the line...