commandlinefu.com is the place to record those command-line gems that you return to again and again.
Delete that bloated snippets file you've been using and share your personal repository with the world. That way others can gain from your CLI wisdom and you from theirs too. All commands can be commented on, discussed and voted up or down.
You can sign-in using OpenID credentials, or register a traditional username and password.
First-time OpenID users will be automatically assigned a username which can be changed after signing in.
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,…):
Subscribe to the feed for:
Wow, didn't really expect you to read this far down. The latest iteration of the site is in open beta. It's a gentle open beta-- not in prime-time just yet. It's being hosted over at UpGuard (link) and you are more than welcome to give it a shot. Couple things:
A great command to assign to an alias, allowing you to git diff the last two commits in git.
Scope should have the Rigol Ultravision Technology otherwise it won't accept the command. ImageMagic is required. Scope sends a 1.1M BMP file and converted to PNG it's only 18-20K
This command uses the reachable_host as a proxy; redirecting your request to the unreachable_host.
The main advantage is that you need only one ssh key. You copy the public part to both servers and you can access the unreachable_host without a problem.
Also, you can put this on ~/.ssh/config to access the unreachable_host directly:
ProxyCommand ssh [email protected]_host -W %h:%p
and, then, just ssh [email protected]_host.
works for Powershot SD780 IS
works for Powershot SD780 IS
pm2 is a process manager that includes a module system to install powerful and small softwares
In cases when the user is following a log file that rotates then it is advisable to use the -F option as it keeps following the log even when it is recreated, renamed, or removed as part of log rotation.
To interrupt tail while it is monitoring, break-in with Ctrl+C.
Replace all instances of "A" with "B" in file "source" saved as file "destination".
!! IF A/B is multi-byte, then separate bytes with spaces like so: "s/20\ 0A/00/g".
Plays whitenoise from /dev/urandom.
list all txt files order by time, newest first
Find and replace specific characters in a single line in multiple files with sed.
So, I'm using a CentOS VM in VirtualBox, and created four new disks in the SCSI controller.
The VM created the folders:
Using a 'for loop' all disks are partitioned for LVM.
# Delete all containers
docker rm $(docker ps -a -q)
# Delete all images
docker rmi $(docker images -q)
The command will use avconv to convert any video file in to MPEG2 format which will be added to a DVD project.
It's useful when you cannot access your env (systemd) or the process DISPLAY variable is not set. Perhaps also when you have a multi-head/user configuration.