Command line tools

• st - simple statistics from the command line interface [1]
• pk - A field extraction utility [2]
• z - jump around directories [3]

• kpartx - setup partitions in full disk image via loop, so they can be mounted [4]
• xmount - disk image conversion (VMware, RAW, virtualbox etc.) [5]
• qemu-img - qemu-img convert -O vmdk imagefile.dd vmdkname.vmdk [6]

• jacksum - use CRC64 to check if file contains only zeroes [7]

  find . -type f -not -size 0 -print0 | xargs -0 java -jar ~/Documents/src/jacksum-1.7.0/jacksum.jar -a crc64 | grep ^0000000000000000

• rmate - execute textmate via SSH [8]
• vimdiff - as git mergetool vimdiff

Shell Stuff

• zsh - Z Shell
• oh my zsh - A community-driven framework for managing your zsh configuration [9]

TMux

• copy from buffer
  • go to buffer history with ctrl-b [
  • begin selection with ctrl-space
  • copy to clipboard ctrl-w
  • paste from clipboard ctrl-b =

Configuration

• etckeeper - keep track of your etc settings in a git [10]

Ubuntu Packaging

• Debug build:

   export DEB_BUILD_OPTIONS=nostrip,noopt [11]

• Build from git:

  git-buildpackage -uc -us [12]

• Signed built:

 gbp buildpackage -k7EC5B966 --git-sign-tags --git-retag --git-tag

• Make sure to clean your directory (e.g. you used dpkg-buildpackage before)

 rm .gitignore; git clean -f -d; git reset --hard

• For patches use git-dpm [13]
• Install build dependencies

  apt-get build-dep package-name

• Override a package file with a local file (original file is moved file.distrib)

 dpkg-divert --local --rename --add /usr/sbin/grub-probe

• Force IPv4 for apt-get [14]

 apt-get -o Acquire::ForceIPv4=true update

• Find files not in package [15]

(   export LC_ALL=C;   comm -23 <(find /etc/init -xdev -type f | sort)            <(sort -u /var/lib/dpkg/info/*.list); )

Postfix

• checking the mail queue:

  mailq
  postcat -q <queueid>
  To Delete:  postsuper -d <queueid>