CLI
Create your ~/.inputrc or append it with the following: "\\e[A": history-search-backward "\\e[B": history-search-forward set show-all-if-ambiguous on set completion-ignore-case on Now when you start typing a command you can use the up and down arrows to search for commands you previously used that started the same way: vim↑ vim
CLI
I needed to download the CLI tools within Xcode, and it needs to be done before installing MacPorts -- otherwise you'll need to re-install MacPorts. So I launched Xcode and went to "Preferences > Downloads" and clicked install on " Command Line Tools." Installed MacPorts from the dmg package on googlecode, but
CLI
What you see on a webpage isn't necessarily what you get when you copy something off it. Watch out for extra hidden logic, especially in "example commands" you might copy directly over to a prompt. The command below demonstrates the point, and is safe to run. It just doesn't do
CLI
Dropbox is a great tool for keep your digital life in sync, but sometimes you only have CLI access to a system where you're running Dropbox. Luckily Dropbox has a pretty slick python script that allows you to check up and control your Dropbox instance: dropbox.py [http://www.dropbox.
OSX
It's easy enough to set an application to start at login with a Control-Click of the application in the dock and checking "Open at Login" under Options, but if you want that application to start unobtrusively at login you'll need to go into System Preferences: System Preferences > Accounts > [ Your Profile
VirtualBox
If you need a custom display size (say you're trying to emulate an eeePC 901 display) open up a terminal and navigate to VirtualBox's directory, on Windows that's: C:\Program Files\Oracle\VirtualBox And run the following, making sure to change the VM name and display resolution: VBoxManage.exe setextradata
CLI
Download and setup Dropbox on your system: Get Dropbox [http://db.tt/MgKpSqE] For the encrypted filesystem I'm using EncFS which is a FUSE filesystem, so we'll need to install MacFUSE via: Download MacFUSE [http://code.google.com/p/macfuse/downloads/list] And if it's not already installed you'll need
CLI
It's remarkably easy. First off uninstall sendmail, because we're going to be replacing it with another binary. /etc/init.d/sendmail stop yum remove sendmail Now we'll install ssmtp. yum install ssmtp To configure ssmtp replace the contents of /etc/ssmtp/ssmtp.conf with: # or your personal domain's if you
CLI
When looking for what can be uninstalled to reclaim space: rpm -q -a --qf "%10{SIZE}\t%{NAME}\n" | sort -k1,1n Sample output: 51721748 boost-devel 57180821 wireshark 65074768 libgcj 71492413 db4-devel 79152667 valgrind 85414200 java-1.6.0-openjdk 108920679 kernel 112425302 glibc-common 115976633 squeezeboxserver 116424867 kernel 116467238 kernel 204226588 fluid-soundfont-lite-patches
Perl
The following will return a random key from the top level hash (in this case foo or bar) which is then used to grab a value from the second level hash: my %hash = ( foo => { x => "0", y => "1" }, bar => { x => "2", y => "3" } ); print $hash # reference to the top level