Archive for November 2007
- Interception of files with tcpdump
If you're like me you want to know whats going through your home network. Here is how to use tcpdump, tcpflow and foremost to intercept and extract unencrypted files.
- Downloadable chroots for Debian, Ubuntu, and Fedora Core
I'm a frequent user of vserver and I like to create fresh installations as quickly as I can, for packaging or test purposes mostly. Unfortunately there aren't many current images available for download. So I made my own.
- An introduction to the visual features of GNU Screen
Many people here use GNU Screen, and I've not seen extensive coverage of the things you can do with the status-line in the past, so I thought a brief overview of a couple of visual settings wouldn't be amiss. Read on for more details.
- Debian FTP-master downtime & a new mailing list
Users of Debian's unstable branch, sid, will have noticed that their systems haven't been updated over the previous few days. This is because one of the core Debian machines is unavailable.
- Filtering P2P network traffic with ipp2p
Large and medium size corporate institutional networks suffer now a days from "smart" users who try to get their latest Movie/soft/Music/TVShow downloaded in their office.
- Scalable Public Key Infrastructure for both OpenSWAN and OpenVPN
User management and the related cryptographic authentication infrastructure is a major hurdle in deploying scalable, manageable VPNs (Virtual Private Networks). After introducing VPNs and Public Key Infrastructure (PKI) and discussing some of the benefits and challenges of two popular VPN implementations, we'll document how to build a scalable PKI to simplify VPN authentication management.
- Creating simple transactions for shell scripts with mercurial
I've recently started to use mercurial to add a crude form of transactions to a set of shell scripts I wrote to automate some system administration tasks (installing mediawiki, tiddlywiki, fudforum, mailman, postfix satellite ...).
- Using the X clipboard from the command line
Ever want to copy the output of a command to the clipboard and paste it elsewhere? How about pasting into the input of a command? xclip lets you do exactly that.
- schroot - chroot for any users
From manpages:
schroot allows the user to run a command or a login shell in a chroot environment. If no command is specified, a login shell will be started in the user current working directory inside the chroot.
- Migrating mailman lists
A couple of weeks back we had to migrate a few mailman based mailing lists across to a new server. Migration was successful and we had minimum downtime, since no changes were applied to the lists, they were simply moved to a new home. Here is how we did it.