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http://blog.rootshell.be/2009/03/27/yubikey-authentication-on-linux/
Article explaining how to use yubipam to enable yubikey authentication on a linux machine. However, yubipam only supports single factor auth, username + token, no additional password.
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https://github.com/firnsy/yubipam/#readme
PAM module that allows offline authentication against a yubikey. Requires a key to be retrieved from yubico by sending email plus payment info, etc. Less secure than online validation. Only supports single factor auth, username + token, no password.
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https://github.com/tfheen/ykfde#readme
Script to enable a yubikey to be used with luks full disk encryption. Very interesting...
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http://www.mindtwist.de/main/linux/5-linux-security/6-how-to-use-one-time-ssh-passwords-on-debianubuntu.html
Very interesting article on how to enable single use password logon for Ubuntu. Requires a thing called opie and a few config file changes. Seems very useful...
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http://ubuntuforums.org/showthread.php?t=1364460
Ultra helpful article that allowed me to manually set a resolution of 1280x1024 on a VGA monitor with the command xrandr --newmode "1280x1024_60.00" 109.00 1280 1368 1496 1712 1024 1027 1034 1063 -hsync +vsync &&xrandr --addmode VGA1 1280x1024_60.00` `
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http://askubuntu.com/questions/104706/how-to-sync-folders-on-different-partitions-symlink
Use the mount --bind option instead of a symlink to get Ubuntu One to cross partitions which it otherwise won't do.
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https://www.system76.com/
Laptops, desktops and servers with Ubuntu pre-installed. Some beautiful machines on the desktop front, pretty standard heavy lifting on the laptop front, but reasonable price points.
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http://blog.dustinkirkland.com/2010/06/ecryptfs-backup-strategy.html
One strategy to backup encrypted ecryptfs data as suggested by the author of ecryptfs. Useful and simple. Backup the metadata and the raw files with rsync.
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http://askubuntu.com/questions/41302/how-to-connect-usb-monitor
Sounds like it's a solution to the green screen on plugging in a usb monitor and getting a green screen.
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http://www.unix.com/shell-programming-scripting/9020-how-log-top-command.html
Useful forum post that explains the `top -b` option, making top output text suitable for piping / writing to file, like `top -bn1 | mail`...
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http://blog.dustinkirkland.com/2011/04/introducing-ecryptfs-recover-private.html
A critical utility for ecryptfs called ecryptfs-recover-private which automates and simplifies the process of recovering encrypted home directory data from Ubuntu.
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http://pastebin.com/yPyK193a
A different strategy to find an encrypted filename from an unencrypted filename under ecryptfs (Ubunut's encrypted home directory system).
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http://www.telmon.org/?p=631
Interesting article including a script that figures out a mapping from unencrypted filenames into ecryptfs encrypted filenames. Potentially useful.
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http://info.iet.unipi.it/~luigi/dummynet/
Dummnet simulates different network bandwidth rates and latencies by introducing delays or chokes, works on *nix flavours.
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http://askubuntu.com/questions/64570/how-do-i-configure-the-screen-to-lock-when-i-close-the-lid
Script that locks the screen when the lid is closed on ubuntu 11.10 plus. Awesome.
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http://www.ubuntuka.com/rate-limit-for-apt-get-andor-aptitude/
Very useful tip on how to rate limit apt-get or aptitude. Upshot is for apt-get it's `sudo apt-get -o Acquire::http::Dl-limit=25k update`
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https://launchpad.net/ubuntu/+archivemirrors
Official list of Ubuntu mirrors including very useful information on how up to date they are and their available bandwidth.
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http://pleasanthacking.com/2012/01/02/making-ubuntu-11-10-and-12-04-behave-like-10-04/
Walk through on how to get Unity to look like pre-unity, whatever that means. Involves changes to several config files, installing gnome-fallback, might be worth it failing alternatives.
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https://wiki.ubuntu.com/UncomplicatedFirewall
Very simple guide to using ufw to create firewall rules. `ufw allow ssh/tcp && ufw allow http/tcp && ufw allow https/tcp && ufw enable && ufw status` done. :-)
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https://forums.aws.amazon.com/thread.jspa?messageID=250673
Very helpful thread that explains a simple one-line fix to curl problems with the PHP AWS SDK on Ubuntu 8.04 (slice1).
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http://thunk.org/tytso/blog/2009/02/20/aligning-filesystems-to-an-ssds-erase-block-size/
Useful article on setting up a hard drive to get best use out of an SSD. One to watch when upgrading to 11.04 probably.
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http://wiki.linuxquestions.org/wiki/List_of_keysyms
Useful list of keyboard symbols. I used it when creating new shortcuts for quicktile.py.
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http://tombuntu.com/index.php/2009/03/17/introduction-to-the-xmonad-tiling-window-manager/
User friendly introduction to xmonad, a tiling window manager. Seems much more accessible now having read this. :-)
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http://vsftpd.beasts.org/
A very secure, fast, light, extensible ftp server. user_sub_token is the option to investigate.
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https://wiki.ubuntu.com/MagicFab/SSDchecklist
Tips on running Ubuntu on an SSD. Useful to check back when upgrading to 10.10 or later.
