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Every new command is wrapped in a tweet and posted to Twitter. Following the stream is a great way of staying abreast of the latest commands. For the more discerning, there are Twitter accounts for commands that get a minimum of 3 and 10 votes - that way only the great commands get tweeted.
Use your favourite RSS aggregator to stay in touch with the latest commands. There are feeds mirroring the 3 Twitter streams as well as for virtually every other subset (users, tags, functions,…):
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Shows all available keyboard bindings in bash. Pretty printing.
Use 'ctrl-@' to set a mark. See the first comment for a better explanation.
Super fast way to ftp/telnet/netcat/ssh/ping your loopback address for testing. The default route 0.0.0.0 is simply reduced to 0.
This command disable sending of start/stop characters.
It's useful when you want to use incremental reverse history search forward shortcut (Ctrl+s).
To enable again, type:
This command shows the various shortcuts that can be use in bash, including Ctrl+L, Ctrl+R, etc...
You can translate "\C-y" to Ctrl+y, for example.
useful signals are:
pkill -SIGSTOP mpg321 #pause
pkill -SIGCONT mpg321 #resume
pkill -SIGHUP mpg321 #stop
pkill -SIGKILL mpg321 #force exit
TIP: use aliases or shortcuts to control mpg321 from the Desktop Manager
This will copy a file from your current directory to the same location on another machine. Handy for configuring ha, copying your resolv.conf, .bashrc, anything in /usr/local, etc.
This should work with different locales. Another post reports
When you have to manage lot of servers, it's boring to type ssh root@myhost for each connection. Now you can type juste "s someting" and you are connected.
You can too add bash_completion script to complet with tab the name of your servers. This will be the next tips from me ;)
After a command is run in bash, !$ is set to the last (space-delimited) argument of the command. Great for running several commands against the same file in a row.