Commands by jodumont (1)

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

Check if you work on a virtual/physical machine in Linux
Command used to know if we are working on a virtual or physical machine. This command will use the dmidecode utility to retrieve hardware information of your computer via the BIOS. Run this command as root or with sudo.

Define a quick calculator function
defines a handy function for quick calculations from cli. once defined: $ ? 10*2+3

Print a list of the 30 last modified mp3s sorted by last first

Generate random number with shuf
If you don't have seq or shuf, bash can be used.

Generate random valid mac addresses
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See a full last history by expanding logrotated wtmp files
When your wtmp files are being logrotated, here's an easy way to unpack them all on the fly to see more than a week in the past. The rm is the primitive way to prevent symlink prediction attack.

Filter out all blank or commented (starting with #) lines

Scan for nearby Bluetooth devices.
Scans local area for visible Bluetooth devices. Use 'hcitool inq' to discover the type of device it is. And use -i hciX option to specify the local Bluetooth device to use.

execute your commands and avoid history records
Sometimes you don't want to leave history, because of passwords use or somethink like. I think it help.


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