Ubiquiti EdgeRouter Firmware Upgrade

EdgeOS firmware can be downloaded from the Ubiquity download page. First we need to see the installed version. admin@ubnt:~$ show version Version: v1.2.0 Build ID: 4574253 Build on: 06/26/13 12:48 Copyright: 2012-2013 Ubiquiti Networks, Inc. HW model: EdgeRouter Lite 3-Port HW S/N: ————- Uptime: 14:53:51 up 4:00, 2 users, load average: 0.00, 0.02, 0.00 I […]

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Automatically Mount A USB Drive In Ubuntu Server

USB drives can be easily and automatically mounted on Ubuntu Server with the help of USBmount which is available from the Ubuntu and Debian repositories. Fortunately, USBmount requires little configuration in order to work. The following was tested in Debian 7 Wheezy and Ubuntu 13.04. Installation and Configuration Make sure you run apt-get update/upgrade before […]

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SSH Permission Denied (publickey)

Had a peculiar problem last week where the computer at home I use to pull backups from a remote VPS could not longer SSH into the remote system. user@deb7h:~$ ./vps-01-backup-www.sh Permission denied (publickey). rsync: connection unexpectedly closed (0 bytes received so far) [Receiver] rsync error: unexplained error (code 255) at io.c(605) [Receiver=3.0.9] After looking at […]

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Change the Keyboard Layout for CentOS / Scientific Linux

Yes, for some reason one of my VMs was configured with a different keyboard layout: [root@system7]# cat /etc/sysconfig/keyboard KEYTABLE=”it” MODEL=”pc105″ LAYOUT=”it” KEYBOARDTYPE=”pc” The solution is quite simple all you have to do is edit /etc/sysconfig/keyboard with your favorite editor to make the keyboard layout US friendly. I am using VI as an example you can […]

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Wipe Multiple Drives Simultaneously

This is one way you can wipe or overwrite multiple drives simultaneously it requires a little tool called Dcfldd which is available for all distributions. If you are an Ubuntu user you can install Dcfldd from the repositories: # apt-get install dcfldd CentOS and Scientific Linux can install Dcfldd from the RepoForge repositories: # yum […]

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Ubuntu: How to Create and Open Zip Files from the Command Line

If you have an Ubuntu/Debian server installation and need to open or create Zip file then you need to install the necessary packages to work with Zip files. Fortunately, we can easily add support for Zip to our installation by installing two packages(Zip, Unzip) both available from the repositories. Note: This post assumes you have […]

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