Chris Carey

Category: Linux

  • tcpdump ASCII

    tcpdump out ASCII characters and not see headers -s Snap Length – Grab the entire 1500 byte packet -A ASCII -l stdout line -i interface tcpdump -s 1500 -A -l -i eth0

  • Start a screen session as another user at system startup

    Came across this technique to get a screen session started as another non-root user on system startup. You could have this command in /etc/rc.local or any other location that runs on system startup as root. Also, it doesn’t have to just be at system startup. These commands could be used at any time by the…

  • Netatalk with Debian or Ubuntu

    By default, it is compiled without SSL support. Mac clients will not be able to connect. Here is how you get Netatalk working on Debian or Ubuntu the clean way, with custom compiled packages. [bash] apt-get source netatalk apt-get install devscripts fakeroot libssl-dev cracklib2-dev apt-get build-dep netatalk cd netatalk-2.0.3 DEB_BUILD_OPTIONS=ssl debuild dpkg -i ../netatalk*.deb [/bash]…

  • Netatalk on Intrepid once again

    This sequence of commands work well for me to get a SSL-enabled version of Netatalk compiled “the Debian way” or “the Ubuntu way”, where you get a nice .deb file: [code] mkdir -p ~/src/netatalk cd ~/src/netatalk sudo apt-get install devscripts cracklib2-dev dpkg-dev libssl-dev build-essential sudo apt-get build-dep netatalk apt-get source netatalk cd netatalk-2.0.3 DEB_BUILD_OPTIONS=ssl dpkg-buildpackage…

  • Recursive grep search with filenames and line numbers

    Slack and Bill at worked helped me out with a nice recursive grep search. It is now my favorite: egrep -irHn <searchterm> <path>

  • Mounting a lvm crypted device via the command line

    #cryptsetup luksOpen /dev/HARDDISK DEVICENAME #lvmdiskscan #vgchange -ay #ls -l /dev/mapper #mkdir /media/crypt #mount /dev/mapper/DEVICENAME /media/crypt

  • AFP File Sharing from Linux to Mac

    I posted something on this a while back, and someone in the comments posted a great howto. I felt it is worthy of another link so it is easy to find. This basically lets your Linux box share files using the AFP protocol which is very fast and the native file sharing protocol for Mac…

  • PHP phpinfo() on the fly

    Here is a little trick to get phpinfo() information on the fly. You need php-cli installed (sometimes its called php4-cli or php5-cli) echo "&lt;?php phpinfo(); ?&gt;" | php4 echo "&lt;?php phpinfo(); ?&gt;" | php5 echo "&lt;?php phpinfo(); ?&gt;" | php5-cli etc You can also tack on a | grep at the end if you want…

  • Turning Ubuntu Hardy into OS X

    Since I’m an Apple fanboy now of course I love the OS X experience. I wanted to theme my Ubuntu to look nicer and came across this link. I love the new fonts the most! They kick the trash out of the built in fonts. http://maketecheasier.com/turn-your-ubuntu-hardy-to-mac-osx-leopard/2008/07/23

  • SUID Search

    find / \( -perm -004000 -o -perm -002000 \) -type f -print