Tag Archive: Linux

The Ultimate Open Source Software List for 2015

A master list of over 1200 applications organized by category, this Ultimate Open Source Software List is a great repository of applications if you’re looking for a solution to a specific problem. From backup applications to cloud infrastructure to paint programs and games, the list is expansive and thorough and listed alphabetically by category. Each …

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SSH: On the fly port forwarding.

[Post Updated] Once inside an SSH session, you may realize that you need to reach another box via the local port redirect (-L 1234:192.168.0.5:23 for example). Most people think you need to kill your SSH session to add a new -L option, then reinitiate the SSH session; this is NOT true. You can open an …

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Richard Stallman Inducted into the 2013 Internet Hall of Fame

…from FSF.org … The Internet Hall of Fame inducted Stallman for his contributions as creator of the GNU Project, main author of the GNU General Public License, and his philosophical contributions as founder of the free software movement. Stallman has been named an Innovator, a category which recognizes and celebrates individuals who made outstanding technological, commercial, or …

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How to record your desktop with audio from a mic feed in Linux

Simple command, using FFMPEG: Change your desktop resolution from 1360×768 to match your desktop. If needed, the option “-vol 500” amplifies the volume 5x. This may be needed on some mics that do not have any mic boost set (I had to use it on mine). You can increase this number to 1000 or 2000 …

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How to extend your SUDO timeout

This annoyed me for a while. The default timeout on SUDO in Linux is pretty short …. and I wanted it extended. The easy way to do it is: sudo visudo Then, look for the line: Defaults        env_reset From here, simply add to the end of the line: Defaults       …

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Linux Mint 13 – MATE Edition – is a supreme success!

Those who read my blog may recall that in February of this year, I wrote regarding the state of Linux desktop environments: One of the burdens we all bear as Linux users is that from time to time, Linux (or one of its pillars) goes through an identity crisis. This time it’s the Gnome desktop. …

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Linux’s 20th Anniversary Gala:

Linus with Maddog The Vancouver LinuxCon celebrated 20 years of Linux, with one very special guest, in a tux. Some more pics here, and here, and here, also a short write-up here.

Apparently, Linus Torvalds also doesn’t like the Gnome 3 interface.

You may remember some months ago I had posted about the state of graphical interfaces for Linux, and my thoughts on Ubuntu 11.x and Gnome 3. I had commented that I did not like the way Ubuntu was going with its Unity interface, nor was I happy at all with Gnome 3’s interface. In that …

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The Great Linux World Map

I thought this was a very witty creation. It’s certainly not all-inclusive but perhaps a live, interactive Google map of the Great Linux World Map would be a good idea! Where on this map do you live ? Source: dedoimedo.com

Happy Birthday Linux!

Linux is 20 years old this year … first unveiled in September 1991 as version 0.01. Three years later,  in March of 1994, Linux 1.0.0 was released with 176,250 lines of code. The Linux Kernel soon grew into 14+ million lines of code, and now runs much of the world’s most important servers. Of course, …

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Helpful SSH commands: Part 1

I use many of these commands quite often. They’re immensely helpful when one wants to do a lot of remote work on a computer, or simply access resources on a remote machine (Linux or otherwise). (FYI: OpenSSH may be installed on Windows machines if anyone does not have a home Linux box to receive SSH sessions, and may …

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BleachBit: keep your system tidy and clean

An extremely easy to use application, BleachBit will scan your Linux system for thumbs.db files, system and various application cache directories, old log files and will also wipe empty space if you so choose to ensure privacy. It is aware of many applications and knows exactly where their cache files are located. I found it …

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Easily find your hardware specifications (and some system monitoring commands) in Linux

When a PC or server is running Linux, you often want to know exactly what sort of hardware is actually running inside the box and more importantly whether it is supported by the kernel. Here is a list of commands which should help you to learn about your system and some of its specifications. In …

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How to change screen resolution on a EEE PC to pan-n-scan size on the fly.

I use this command to change the resolution of my EEE 1000HE from 1024×600 to 1024×1024 which allows me to work well with large web pages, though I must pan-n-scan the desktop (which runs past the borders of the monitor), it’s worth it. Not every EEE PC is built the same, nor do they use …

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A nice collection of shell scripts & misc

This is a good Linux site and has a good collection of shell scripts. Enjoy. They’re sorted newest-first, so click the <previous entries> at the bottom of the page to see the prior scripts. Here’s also a few links on learning the basics of shell scripting: IBM’s extensive site on the subject. Linuxcommand.org

How To Limit CPU Usage Of A Process With cpulimit

For Debian-based distros, this utility (not related to the ‘nice‘ command) will limit the cpu usage of a program. It works with multiple cores as well. Simply sudo apt-get install cpulimit. More info can be found here.

Repairing damaged drives and boot records with Live-CD Linux boot CD’s.

Pretty straight forward stuff in this article, but it’s a good reference on how to use the most-excellent tools in an Ubuntu Live-CD to recover drives (whether they be Windows hard disks or Linux-flavored data) with damaged data or corrupted boot sectors and easily make it bootable and/or usable again. I recently had to run …

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How to run 32-bit code in 64-bit Linux.

How to run 32-bit code in 64-bit Linux.

Converting .m4a files to mp3 (batch scripting)

Execute (3) scripts. I suppose this could be done all in one script, but sometimes one wants to examine the results after each phase. This will actually work (in principle) to do any command on all files in a directory that have a predictable pattern. Don’t forget to chmod +x ./script-name on each. Script 1 …

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Serve your current directory using a simple webserver & python

Simply type this in your Linux command line (assuming Python is installed, and it usually is on many Linux desktops). python -m SimpleHTTPServer & This will launch a very simple web server in the directory from which the command was run, and will establish that directory as root. You can then access it from your …

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Screen Profiles available Ubuntu 9.04

Interesting article about .screenrc profiles that offer some unique status bars with GNU Screen under Ubuntu 9.04 For any that are interested, this is my .screenrc hardstatus alwayslastline hardstatus string ‘%{= kG}[ %{G}%H %{g}][%= %{=kw}%?%-Lw%?%{r}(%{W}%n*%f%t%?(%u)%?%{r})%{w}%?%+Lw%?%?%= %{g}][%{B}%Y-%m-%d %{W}%c %{g}]’ # # Default screens # syntax: screen -t NameOfScreen ScreenNumber ShellCommand screen -t “Work SSH” 0 /home/name/workssh …

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Run VirtualBox headless over an SSH session

When SSH’ing into a linux box, you may want to run a VM headless (that is, not dependent on the console X session). TO RDP into your windows box (assuming you are running a Windows VM over Linux), you’ll want to be sure to engage your -L port:ip-address-of-VirtualBoxHost:port, port forwarding. Assuming you have VirtualBox remote …

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Howto Convert Vmware Image to Virtualbox Image or Import Vmware Image into Virtualbox

Note:- Before Converting make a backup copy of your vmware image Solution 1 We are going to use qemu-img tool to this.QEMU disk image utility First Install qemu  qemu-img is included with qemu package using the following command sudo apt-get install qemu Convert a VMWare Image to VirtualBox Image Convert VMWare image called whatever.vmdk to …

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Force an unmount of busy drives that won’t dismount

You are probably all too familiar with the situation – you are trying to unmount a drive, but keep getting told by your system that it’s busy. But what application is tying it up? A quick one-liner will tell you: lsof +D /media/disk1 This will return the command and process ID of any tasks currently …

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How to set up dual-NIC bonding in Ubuntu

REPOST: Source: Only Ubuntu Linux: Bonding is creation of a single bonded interface by combining 2 or more ethernet interfaces. This helps in high availability and performance improvement. How to setup dual-dual bonding (two bonds of two interfaces each) on Ubuntu as quickly as possible. 1. Add two lines to /etc/modules bonding bond0 -o bond0 …

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