How to encode a video to webm format and use it as a GIF replacement.

This is how to encode a video to webm format without sound to create a GIF replacement. The ffmpeg utility allows encoding a video in different formats. This is the perfect command for encoding a good quality webm video. ffmpeg -i gzdoom_2012_11_04_20_34_10_391.avi -ss 00:01:00.000 -to 00:01:20.000 \ -codec:v libvpx -quality good -cpu-used 0 -b:v 500k […]

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Windows themes for xubuntu 13.10.

Nice Xfce4 themes for Xubuntu 13.10. Lubuntu XP theme: http://xfce-look.org/content/show.php/Lubuntu+XP+three+flavors?content=162880. A Windows XP styled theme for Lubuntu. Windows 8 mouse cursor theme: http://xfce-look.org/content/show.php/Win8E?content=160758. Vista styled Xfce4 theme: http://xfce-look.org/content/show.php/Vista+Royale?content=59665. Matthew Farrell’s Theme 1.0: http://xfce-look.org/content/show.php/Matthew+Farrell%27s+Theme?content=99669. A nice theme that may be used with Xfce4 that looks like Matthew Farrel`s theme from Die Hard 4.0. Wallpapers. Beautiful Amanita […]

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Some miscellaneous Linux commands for the desktop user.

Find all files larger than 1 megabyte in a directory. find . -maxdepth 1 -type f -size +1M -printf “%f:%s\n” | sort -t”:” -k2 Search a file for a certain string. grep “hello” my.txt Get the hostname from an IP address. Homer@bejiitas – $ ipcalc -h 74.125.237.194/24 HOSTNAME=google.com Use wildcards on the command line to […]

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Some more useful UNIX commands available for the Mac.

There are a few very useful UNIX commands available on the Apple Macintosh. Mountain Lion is what I am using in Virtualbox and I am having a look at some very useful shell commands and tips. The iostat command. This shows statistics of disk Input/Output. Homers-iMac:Documents homer$ iostat disk0 disk1 cpu load average KB/t tps […]

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Goat Simulator coming to Linux and Macintosh soon! The mayhem will never stop!

The massively popular game Goat Simulator will be coming to Linux and Macintosh in a indeterminate time. This means that Linux users could enjoy this awesome sandbox game. Goat Simulator is a game where you play as an invincible Goat and you cause all kinds of mayhem in a suburban area. Powered by the Unreal […]

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How to add the proper repository information to Kali Linux to install kernel headers.

Installing the kernel headers for Kali Linux allows the installation of Virtualbox Guest Additions and other software that relies upon the kernel headers, but the /etc/apt/sources.lst is not filled out by default. Paste this code into the /etc/apt/sources.lst at the bottom of the file. deb http://http.kali.org/ /kali main contrib non-free deb http://http.kali.org/ /wheezy main contrib […]

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How to encrypt a file with gpg on Linux and then decrypt it later.

The gpg utility for Linux is used to create public and private key pairs to encrypt files for secure transmission over the Internet. To initialize this utility; run this command. homer@deusexmachina ~ $ gpg –gen-key gpg (GnuPG) 1.4.14; Copyright (C) 2013 Free Software Foundation, Inc. This is free software: you are free to change and […]

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How to list more than one thing at a time with the /bin/ls command for Linux.

The ls command for Linux may be used to list more than one thing at a time. These examples demonstrate this. homer@deusexmachina ~ $ ls -p /opt/ /bin/rm /bin/rm /opt/: firefox/ mint-flashplugin-11/ Here is a more verbose version of this command. With human readable file sizes and a vertical directory listing. homer@deusexmachina ~ $ ls […]

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Linux tips and tricks for all users.