Category Archives: Linux

Raspberry Pi (raspbian) drops wireless connection after openvpn is started

Posted on March 11, 2013 by admin

Whenever the tap0 or tun0 device came up, my wireless connection would go down within a couple seconds. This was frustrating. I found that there is a file /etc/default/ifplugd that needs to be edited. Make it look like this: INTERFACES=”auto” … Continue reading →

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Install deCSS on Ubuntu 12.04

Posted on March 9, 2013 by admin

You’ll need this to play encrypted DVD’s on your linux box. Installing it is easy but I can never remember the trick. sudo apt-get install libdvdread4 sudo /usr/share/doc/libdvdread4/install-css.sh

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How to use openssl to generate a certificate request

Posted on February 25, 2013 by admin

I can never remember how to generate a certificate request (CSR) when doing a one-off certificate. I use a script for my normal certs at work but sometimes I want to make one for personal use or a self signed … Continue reading →

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500 OOPS: vsftpd: refusing to run with writable root inside chroot()

Posted on February 25, 2013 by admin

This is one of the most annoying and frustrating problems I have run into lately. This supposed security fix makes vsftp simply unusable after upgrading to Ubuntu 12.04 from 10.04. No amount of cajoling or messing with options will get … Continue reading →

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OpenVPN refuses to start in LXC container

Posted on February 1, 2013 by admin

I was getting the following error when trying to start openvpn from within an LXC container: Note: Cannot open TUN/TAP dev /dev/net/tun: No such file or directory (errno=2) This fixed it: mkdir /dev/net mknod /dev/net/tun c 10 200 chmod 666 … Continue reading →

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