sudo

Sudoers

sudo visudo

edit host file

vi  /etc/hosts

Install mvn:

 sudo yum install maven 

running a deamon process:

 setsid npm start >/dev/null 2>&1 < /dev/null & 

DevOps : Important: Debug | Minimal | Left | Left/Right

DevOps4Solutions

Git cxcert error:

1. Set SSL Verify to false only for specific repo:
2. git config http.sslVerify false
3.  
4. Set SSL Verify to false Globally:

git config —global http.sslVerify false

How to know if a port is listening :

netstat -tulnp

t – Show TCP
u – Show UDP
l – Show only listening processes (netstat can show both listening and all established connections, i.e. as a client too)
n – Do not resolve network IP address names or port numbers
p – Show the process name that is listening on the port

Adding to sudo path:

sudo visudo

Add the bin file to secure path