Commands by leonteale (6)

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Brute force discover
Show the number of failed tries of login per account. If the user does not exist it is marked with *.

Shows cpu load in percent
Show the current load of the CPU as a percentage. Read the load from /proc/loadavg and convert it using sed: Strip everything after the first whitespace: $ sed -e 's/ .*//' Delete the decimal point: $ sed -e 's/\.//' Remove leading zeroes: $ sed -e 's/^0*//'

Fix Ubuntu's Broken Sound Server
Ever since the switch to pulseaudio, Ubuntu users including myself have found themselves with no sound intermittently. To fix this, just use this command and restarts firefox or mplayer or whatever.

Startup a VPN connection through command line

list files recursively by size

Slow down the screen output of a command
(example above is the 'ls' command with reduced output speed)

Slow down the screen output of a command
(example above is the 'ls' command with reduced output speed)

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.

Shrink more than one blank lines to one in VIM.

Create a tar archive using 7z compression
Using 7z to create archives is OK, but when you use tar, you preserve all file-specific information such as ownership, perms, etc. If that's important to you, this is a better way to do it.


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