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First, generate the key : – Download PuTTYgen. – You can select the encryption (1024 bits, 2048 or 4096 bits). – Launch the program, ...

When you setup the free SSL certificate from Let’s Encrypt : Don’t use standalone. Select Apache Web Server plugin – Beta (apache).

To exit vi while you check a file, you can use one of the command listed below : :q to quit, :w to save, :wq to do both.

Swap file of swap space is a memory that is set on the hard drive to manage the total memory when the hard memory is full. The hard memory ...

An excellent webiste to better understand how Linux is managing the hard memory, the swap file. How it can store cache files in the memory ...

Why is the server using too much charge of the memory, whereas the server has been freshly installed !? Don’t worry, this is Linux that ...

It is said that Fail2Ban has a maximum ban time that would be set to 604800 seconds. But it is untrue, you can set it to -1 for unlimited ...

A permanent ban of an IP that tries to connect to your linux server can be done with iptables but with a tweak in Fail2Ban. As the issue ...

To do a backup on the server itself, and not an external device or server, or VPS, you can use a sh file. The sh file will be called and ...

Here are a lot of possibilities to do a backup of your server or VPS : – dd cp rsync, – rdiff, – rsnapshot, – backuppc, – Linux ...