Commands by yohhan (0)

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Use vim automation to create a colorized html file

Do command when logged in from certain ips using ssh
Place in ~/.bashrc If you login to a ssh server from different ips, sometimes you want to do something specific for each. e.g., quickly go into screen -x session from a phone, but not your desktop.

Copy your SSH public key on a remote machine for passwordless login - the easy way

Do some learning...
no loop, only one call of grep, scrollable ("less is more", more or less...)

Check if x509 certificate file and rsa private key match
A x509 certificate and a rsa key file have in common a parameter called modulus, it is a very long hexadecimal number. That value is unique for each certficate / key pair. The command allows to do the check of this pair of values in a script using a great feature of bash. "

Convert CSV to JSON
Replace 'csv_file.csv' with your filename.

Erase DVD RW

Which processes are listening on a specific port (e.g. port 80)
swap out "80" for your port of interest. Can use port number or named ports e.g. "http"

Sort output by column
(separator = $IFS)

Manipulate the metadata and edit the create time (This will change date to 1986:11:05 12:00 - Date: 1986 5th November, Time: 12.00) and then it will set modify date to the same as alldate.


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