Query well known ports list
$ getent services <<service>>
Uses the file located in /etc/services
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View all commands by unixmonkey4200
by David Winterbottom (codeinthehole.com)
Join lines split with backslash at the end
$ sed -e ‘/\\$/{:0;N;s/\\\n//;t0}’
Joins each line that end with backslash (common way to mark line continuation in many languages) with the following one while removing the backslash.View this command to comment, vote or add to favourites
Vi…Paste command output to www.pastehtml.com in txt format.
$ paste(){ curl -s -S –data-urlencode "txt=$($*)" "http://pastehtml.com/upload/create?input_type=txt&result=address";echo;}
paste(){ curl -s -S –data-urlencode “txt=$($@)” ”View this command to comment, vote or add to fa…
socat TCP-LISTEN:5500 EXEC:’ssh user@remotehost "socat STDIO UNIX-CONNECT:/var/run/mysqld/mysqld.sock"’
$ Tunnel a MySQL server listening on a UNIX socket to the local machine
Listens on local port 5500 and connects to remotehost with username user to tunnel the given socket file. Will work with anything, but can be useful if there’s a need for a local a…Convert text to uppercase
$ upper() { echo ${@^^}; }
Usage: upper [STRING]…View this command to comment, vote or add to favourites
View all commands by sharfahby David Winterbottom (codeinthehole.com)
Convert text to lowercase
$ lower() { echo ${@,,}; }
Usage: lower [STRING]…View this command to comment, vote or add to favourites
View all commands by sharfahby David Winterbottom (codeinthehole.com)
Paste hardware list (hwls) in html format into pastehtml.com directly from console and return URI.
$ listhw(){ curl -s -S –data-urlencode "txt=$(sudo lshw -html)" "http://pastehtml.com/upload/create?input_type=html&result=address";echo;}
In this Linux box i need to become root to get the complete hardware list, so either bec…Email yourself a quick message
$ mailme(){ mailx -s "$@" $USER <<< "$@"; }
Usage: mailme message
This is a useful function if you want to get notified about process completion or failure. e.g.
mailme "process X completed"View this command…
strace like SystemTap script
$ stap -v strace.stp -c /path/to/command
The stap script is :
#! /usr/bin/env stap
probe syscall.* {
if (pid() == target())
printf(“%s %s\n”, name, argstr);
}View this command to comment, vote or add to favourites
View all commands …Number of CPU’s in a system
$ grep -c ^processor /proc/cpuinfo
this works for a Linux based system, other UNIX systems may have other way(s) to check the number of CPUs.View this command to comment, vote or add to favourites
View all commands by gerardby David Winter…
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