Linux Commands/ScriptsCategory

Nagios Remote Host Monitoring Dated on :05/10/2018 On Remote Host Step 1: Install the compiler gcc,glibc yum install -y gcc glibc glibc-common gd gd-devel make net-snmp openssl-devel Step 2: Add the user for the nagios using useradd nagios Note: If already exist skip this. Step 3: Add the password for… Continue Reading Nagios Remote Host Monitoring

How to Install Let’s Encrypt SSL Date posted: 28-sep-2018 Please follow  this steps to install the SSL certificate. Step 1: Install CertBot Type the given commands sudo apt-get install software-properties-common python-software-properties sudo add-apt-repository ppa:certbot/certbot sudo apt-get update sudo apt-get install python-certbot-apache   Step 2: Install Let’s Encrypt SSL Install Let’s Encrypt… Continue Reading How to Install Let’s Encrypt SSL

How to Install Latest Version of ngnix (1.15.4) on Centos 7 Dated : 29-09-2018 Nginx is a flat,light weight,powerful HTTP web server. In this piece of writing, we will illustrate about ngnix web server latest version installation on centos 7 and How to allow traffic for HTTP services,because by default the… Continue Reading How to Install Latest Version of ngnix (1.15.4) on Centos 7

Scenario 1: I had setup SSH key with a passphrase  to access all my servers/machines. However, its annoying(also non-productive) to enter passpharse every time I want to ssh into another machine. Scenario 2: I want clone a git repo into another machine other from my laptop. However, that git repo… Continue Reading How to use SSH Key with passpharse for SSH forwarding

Date Posted: 28-03-2017 In this post, we gonna explain difference between Redhat 6 vs Redhat 7 distribution Commands, files,etc., These are basic commands which we may use in our day today activities on redhat 6 distribution. List All Services: Redhat 6: chkconfig –list ls /etc/init.d Redhat 7: systemctl -at service… Continue Reading Redhat 6 vs Redhat 7 distribution Commands

How to remove space in front of a word in a file? This is a simple script to show how to remove space in a front of a word from a file. You can learn about this simple command for removing the space in front of a word and execute… Continue Reading Remove a space in front of a word in a file