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How to setup a RSA key in your Linux server
https://w3ask.com/setup-rsa-key-linux-server/
First, generate the key : – Download PuTTYgen. – You can select the encryption (1024 bits, 2048 or 4096 bits). – Launch the program, ...
Port 443 is already in use by another process
https://w3ask.com/port-443-process/
When you setup the free SSL certificate from Let’s Encrypt : Don’t use standalone. Select Apache Web Server plugin – Beta (apache).
How to exit vi in Linux
https://w3ask.com/exit-vi-linux/
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.
What is swap in Linux
https://w3ask.com/swap-linux/
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 ...
More info about memory usage in Linux
https://w3ask.com/info-memory-usage-linux/
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 ...
VPS high memory usage
https://w3ask.com/vps-high-memory-usage/
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 ...
Fail2Ban max ban time
https://w3ask.com/fail2ban-max-ban-time/
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 ...
How to definitely ban an IP in your server via SSH
https://w3ask.com/ban-ip-server-ssh/
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 ...
How to do a backup on the server itself
https://w3ask.com/backup-server/
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 ...
Alternatives to rsync to do a backup on a VPS
https://w3ask.com/alternatives-rsync-backup-vps/
Here are a lot of possibilities to do a backup of your server or VPS : – dd cp rsync, – rdiff, – rsnapshot, – backuppc, – Linux ...
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