How to list a range of ports in iptables config file you can read there
Continue reading “Set a range of ports in iptables”Category: Shell
ssh without a password but with key file
it is so comfortable to avoid using a password to get ssh access
Continue reading “ssh without a password but with key file”time estimating within “time” shell command
In case if you need to get data how long your bash script or command takes time you could use variations of the “time” command
Continue reading “time estimating within “time” shell command”SSL checking CLI and BASH scripts
How to check when will expired SSL certificate by domain?
Continue reading “SSL checking CLI and BASH scripts”VM don’t stop or shutdown in Proxmox
When you are faced with issue time out in case of sending stop or shut down VM within the console or GUI let’s try to kill process belongs to these VM
Continue reading “VM don’t stop or shutdown in Proxmox”Postfix queue and other tips
To see message’s queue we can use the command:
Continue reading “Postfix queue and other tips”vsftp write permissions enabling
After installation ftp server vsftp we have to make enable users writing permissions
Continue reading “vsftp write permissions enabling”Local time settings in Linux
To check the current date and time settings:
Continue reading “Local time settings in Linux”CLI or Terminal goes to be colour
How to switch on a colored terminal by CLI?
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