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.
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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.
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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:
In this case, linux- is the prefix; simply running
would list every package APT knows about.
The default APT config assumes -g, --generate; to use the cache as/is, you could similarly run:
apt-cache --no-generate pkgnames [prefix]
Adding --all-names, like so:
apt-cache --no-generate --all-names pkgnames [prefix]
would print all the packages APT knows about, using the cache as/is, including virtual packages and missing dependencies.
This command was shamelessly stolen from the apt-cache(8) man-page.
This will take the packages matching a given `apt-cache search` query (a collection of AND'd words or regexps) and tell you how popular they are. This is particularly nice for those times you have to figure out which solution to use for e.g. a PDF reader or a VNC client.
Substitute "ubuntu.com" for "debian.org" if you want this to use Ubuntu's data instead. Everything else will work perfectly.
Replace PACKAGE with desired package name.
If the first two letters are "ii", then the package is installed. You can also use wildcards. For example,
dpkg -l openoffice*
Note that dpkg will usually not report packages which are available but uninstalled. If you want to see both which versions are installed and which versions are available, use this command instead:
apt-cache policy python
Like 7172, but much easier.
I used this to mass install a lot of perl stuff. Threw it together because I was feeling *especially* lazy. The 'perl' and the 'module' can be replaced with whatever you like.