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Linux Server Key Exchange – Automated

Posted: October 10th, 2009 | Author: | Filed under: Tech | No Comments »

http://code.google.com/p/trustbuilder-linux-bash

Trustbuilder is a simple bash script that runs on one host, and automates the very common and tedious process of exchanging encryption keys with another host. This is often done for linux and unix servers to allow scripts to login to a remote servers using ssh authentication, without requiring a user to enter a password. I.E., this sets up unattended server-to-server authentication for you. There is no error handling in this script, and this type of key exchange may be considered an insecure practice by some institutions. Use at your own risk.

Enjoy
-GRW
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SourceCode: QuickKey Portable for Windows

Posted: April 17th, 2009 | Author: | Filed under: Tech | Tags: , , | No Comments »

Summary:

“QuickKey” is an application I created with AutoIt to take text from the clipboard and save it to a hot-key combo. I needed it to do repetitive form filling. It’s written to be lean, quick and dirty. Here are the usage instructions:

  1. When launched for the first time, it creates and populates the “Clips” directory with it’s required files.
  2. The hotkeys to save text from the clipboard are all “CTRL” + “SHIFT” + any number key or function key from the top 2 rows of your keyboard (total of 22 available saved clips).
  3. The hotkeys to use a saved clip is simply “CTRL” + the number or function key you used when saving that clip.
  4. Example: “CTRL” + “SHIFT” + “6″ saves text from the clipboard to the 6.txt file. “CTRL” + “6″ sends the contents of the 6.txt file. Its like pasting it, but its more like automated typing.

Source Code:

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Fastest Route to Single Booting Linux on the new 2009 Mac Mini

Posted: March 30th, 2009 | Author: | Filed under: Linux, Mac, Tech | Tags: , , , , , , , , , , , , , , , | 3 Comments »

See IMPORTANT NOTES section below… there’s currently a catch with rebooting….
If you find a fix for the reboot issue, please leave a comment (that will email me)..

Special thanks to Victor Costan http://blog.costan.us

Step 1 – Get your linux on the HD
-Power On / Insert Linux Install Disk With Kernel 2.6.26 or higher / Power Off
-Power On / Wait 4 Seconds / Hold “c” key to boot from DVD drive
-I couldn’t get linux to work after deleting the EFI partition, so don’t.
-Get to your distro’s partitioning utility and delete the main MAC partition
-After deleting the big partition, create your linux partitions
-If you delete the EFI partition on accident, the Leopard install will fix it
-Direct the installer to put GRUB on the first sector of your /boot partition
-Install whatever other options you want and let installer run
-Remove Linux Install Disk / Insert MAC OSX Install Disk / Reboot

Step 2 – Tell MAC‘s Open Firmware What To Do
-Power On / Wait 4 Seconds / Hold “c” key to boot from DVD drive
-Get to “Terminal” under “Utilities” on MAC Installation Setup
-Type the following command to determine how your /boot partition was identified
diskutil list
-Type the following command to set that partition as bootable (mine was disk0s2)
bless –device /dev/disk0s2 –setboot –legacy –verbose

IMPORTANT NOTES
-After these steps, linux will boots fine but when trying to reload it will hangs (more likely the shutdown process hangs).  It appears to require a hard reset at this time…bummer.
-Earlier Kernels (Such as 2.6.18 in Centos 5.2 and lower) may install successfully but do not properly load drivers for all the hardware once installed.

WINDOWS KEYBOARD NOTES
Hold “c” key to boot from DVD drive
Hold “F12″ key to eject the DVD drive
Hold “ALT” to emulate the option key (not used in this procedure)

SOURCES

Debian Success Documented here (by Thomas Glanzmann): http://lkml.indiana.edu/hypermail/linux/kernel/0903.1/01828.html

Discussion and bless command from Veiho in Ubuntuforums :  http://ubuntuforums.org/archive/index.php/t-493393.html

Status on reload problem being worked by ubuntu developers: https://bugs.launchpad.net/ubuntu/+source/linux