Commands using sed (1,319)

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Generate random IP addresses
It never ends

Listing today’s files only

Insert the last argument of the previous command

Converts uppercase chars in a string to lowercase
Another alternative is to define a function: lower() { echo ${@,,} } lower StrinG

create random numbers within range for conjob usage
if you need to install cron jobs in a given time range.

command to change the exif date time of a image

Monitor iptables in realtime

Gets directory and files tree listing from a FTP-server
Creates a file with contents like `du -a`, only it is remote server filesystem hierarchy. Very usefull then for grep-ing without remote connection.

Find the package that installed a command

Don't save commands in bash history (only for current session)
Only from a remote machine: Only access to the server will be logged, but not the command. The same way, you can run any command without loggin it to history. ssh user@localhost will be registered in the history as well, and it's not usable.


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