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Bash script arguments from a file content

Bash script arguments from a file content
In this tutorial, how to change string content of file as arguments. I written  Bash script arguments from a file content as below: Input f...

Bash script argument default value and takes optional input arguments

Bash script argument default value and takes optional input arguments
In this tutorial, I have written bash script Bash script argument default value and takes optional input arguments. Using $# argument to in...

How to NGINX Solution for Apache ProxyPassReverse

How to NGINX Solution for Apache ProxyPassReverse
NGINX Solution for Apache ProxyPassReverse Apache configure <VirtualHost myhost:8888>     ServerName myhost     DocumentRoot ...

Openssl libssl.so.1.1 not found solve problem

Openssl libssl.so.1.1 not found solve problem
How to solve problem Openssl libssl.so.1.1 not found on your system such as centos, ubuntu. Installing openssl missing depens libssl.so.1.1 ...

Remove old kernels in CentOS, RHEL and Fedora

Remove old kernels in CentOS, RHEL and Fedora
Your system to many old kernels version. How to remove old kernels in CentOS , RHEL and Fedora . For example, I have three kernel,and to ke...

sed command regex example

sed command regex example
In this tutorial, To use sed command regex such as: Lines starting from A till B printed, how to print between A line to B line , so on. s...

Configure Postfix to use Gmail as a Mail Relay

Configure Postfix to use Gmail as a Mail Relay
In this tutorial, I setup and Configure Postfix to use Gmail as a Mail Relay with 587 port. OS : Centos User : root Install postfix y...

Nginx redirect all http to https

Nginx redirect all http to https
In this tutorial, How to use nginx redirect all http to https. All traffic http redirect to https for your website. How to do it..... For ...

centos change ssh port

centos change ssh port
in this tutorial, How to change ssh port another with selinux. The default ssh port 22, when you change port another with rules selinux (SEL...

Centos 7 managing services with Systemd

Centos 7 managing services with Systemd
Centos 7 managing services with Systemd. -List all the current loaded targets as command below: $ sudo systemctl list-units -t target Each...