Archives for September, 2007

Editing files as root with Emacs and Tramp


Did you know that you can use an existing non-privileged instance of Emacs to open files as root? Yep, Emacs includes a module called TRAMP which can use sudo to read and write files. As is usually the case, I had to work sweat a little to make it work. My problem was that my [...]

Fighting Spam with OpenWRT


Time Warner recently cut off our RoadRunner cable service because one of our computers was blasting spam out onto the internet. To find out which machine it was, I ran the following command in a GNU Screen session on OpenWRT on my WL500gP router: tcpdump -n -X -s 96 -tttt -i br0 port 25 This [...]