Commands by patko (7)

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Most Commonly Used Grep Options
This is very helpful to place in a shell startup file and will make grep use those options all the time. This example is nice as it won't show those warning messages, skips devices like fifos and pipes, and ignores case by default.

list block devices
Shows all block devices in a tree with descruptions of what they are.

Catch a proccess from a user and strace it.
It sits there in a loop waiting for a proccess from that user to spawn. When it does it will attach strace to it

a function to find the fastest DNS server
http://public-dns.info gives a list of online dns servers. you need to change the country in url (br in this url) with your country code. this command need some time to ping all IP in list.

Automatically update all the installed python packages

Lookup your own IPv4 address

Selecting a random file/folder of a folder
Also looks in subfolders

list block devices
Shows all block devices in a tree with descruptions of what they are.

Removing Prefix from File name
Removing Course name prefix added

check open ports without netstat or lsof


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