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How to Check UFW Log & Status

Sometimes you may need to check UFW firewall’s log. Here is how to check UFW log.

Symbolic links or soft links are references to file and directories in Linux. Here is how to create symbolic links in Linux.

Sometimes you may want to customize terminal font size & color from default style. Here is how to change terminal font size & color in Ubuntu.

Sometimes you may need to remove s-bit or sticky bit from file permissions. Here is how to remove sticky bit in Linux.

Truncate command allows you to truncate file contents in Linux. Here is how to truncate file in Linux.

Sometimes you may need to do reverse DNS lookup in Linux. Here is how to do reverse DNS lookup in Linux.

You may need to connect to SSH server using pem file in Ubuntu. Here is how to SSH using pem file in Ubuntu terminal.

SCP utility allows you to securely copy files & folders between two locations. Here is the SCP command to copy file from one server to another.

Sometimes you may need to parse YAML file to dict or read YAML file to dict. Here is how to do convert YAML file to dict.

Many times you may need to delete empty lines form text file in Linux. Here is how to remove empty lines in Linux using awk, sed and grep.