create a new user and give it sudo privileges:
# Create the user
sudo adduser username
# Add the user to the sudo group
sudo usermod -aG sudo username
# Verify
groups username
=====or=====
Replace username with the desired username:
sudo adduser username && sudo usermod -aG sudo username
About the TLS Extension Server Name Indication (SNI) When website administrators and IT personnel are restricted to use a single SSL Certificate per socket (combination of IP Address and socket) it can cost a lot of money. This restriction causes them to buy multiple IP addresses for regular https websites from their domain host or…
The way to reset the root password on centos7 is totally different to Centos 6. Let me show you how to reset root password in CentOS 7. 1 – In the boot grub menu select option to edit. 2 – Select Option to edit (e). 3 – Go to the line of Linux 16 and…
Have a website which needs Node.js to work and have no idea how to install it on your Server? No Problem, this guide will how you how you can install Node.js on your Server with CentOS Machine. Requirements Server with CentOS 6/7 Root Access to Server Procedure Login to Server using SSH Add Node.js repo…
Listing sizes in AWS S3 Buckets Getting the whole bucket size aws s3 ls s3://$BUCKETNAME/ –recursive –human-readable –summarize | tail -n2 Tail is used because otherwise all files will be printed on screen (but you may want that for some reason). Getting the size of a specific directory/file You just need to add the path…
Send A Test Mail via Exim Command line Sending a test mail from a server with a configured exim is easy as pie. From your user shell: tell exim that we want to send a mail to an recipient and tell us about the details of the sending procedure $ exim -v receipient@foo.bar Tell exim…
To check the load: sar -q -f /var/log/sa/sa$(date +%d -d yesterday) To check the CPU status: sar -p -f /var/log/sa/sa$(date +%d -d yesterday) To check the Swap Space usage: sar -S -f /var/log/sa/sa$(date +%d -d yesterday) To check the RAM memory usage: sar -r -f /var/log/sa/sa$(date +%d -d yesterday)