Tag: Linux

How to clone a Linux system using CloneZilla Server Edition (CloneZilla SE)

An excellent how-to on the subject, complete with screenshots. Here’s a link to Clonezilla SE (Server Edition).

Awesome improvements in Linux kernel 2.6.28

The kernel was released by Linus on Dec. 24th, Among the enhancements: Ext4 which has now been declared stable, and no longer experimental, will be the successor to the long-standing ext3. It can support a file system up to 1 exabyte in size (that’s 1,048,576 terabytes to everyone else) and single files up to 16TiB. …

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Linux 2.6 kernel ported to iPhone

I was never a big fan of the iPhone, but the Linux 2.6 kernel has finally been ported to it. It doesn’t yet interact with the touchscreen, but if this eventually leads to an iPhone-Ubuntu distro being created, you can bet I’ll be putting the iPhone on my wish list – just for use as …

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OpenGoo: Host your own “Google Docs” web based collaborative center

From their site: It is a complete solution for every organization to create, collaborate, share and publish all its internal and external documents. You and your team can create and collaborate on: Text documents Spreadsheets (coming soon) Presentations Task Lists E-mails Calendars Web Links All it requires is an xampp server (essentially a Linux server). …

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A good HowTo on creating virtual hosts in Apache2 & the Linux Basement podcast.

A good article from the Linux Basement. The Linux Basement also hosts a podcast worth checking out which centers around web hosting and network management, but is overall an informative show. They do about 2 episodes per month. They also have a fairly active user submitted article area, as well as a forum.

Top 10 mistakes new Linux admins make:

From Tech Republic, worth reading if you’re new to Linux system administration. One of the most common mistakes is not checking log files (reason #10). I often find it hard to keep up and sometimes parse the variety of system logs on a system. A great tool for managing this is called LogWatch. While not …

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GroundWork Monitor Community Edition

From the site: GroundWork Monitor Community Edition provides a essential IT monitoring solution that enables you to maintain network visibility and control. This is a single server deployment that leverages the strengths of 15 other open source projects such as Nagios, rrdtool and nmap. It combines the results of these projects in to a system …

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9 OpenOffice extensions that are quite helpful

Click here for details.

Virtualbox port forwarding on a Linux Host

An excellent article on the subject: Source. Run these 3 commands from shell. SUDO not required. VBoxManage setextradata “name of vm” “VBoxInternal/Devices/pcnet/0/LUN#0/Config/ssh/HostPort” 2222 VBoxManage setextradata “name of vm” “VBoxInternal/Devices/pcnet/0/LUN#0/Config/ssh/GuestPort” 22 VBoxManage setextradata “name of vm” “VBoxInternal/Devices/pcnet/0/LUN#0/Config/ssh/Protocol” TCP Where… “name of vm” is your virtual machine name ssh is the name of the service. This is …

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Certificate Authority (CA) with OpenSSL

When you need to run a website (https), mail (ssl/tls) or similar over an encrypted link – you need an SSL certificate. This article will explain some of the choices involved, and how to run your own certificate authority (CA). You don’t need to spend any money to generate your own certificates, and they’re no …

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Using DD to backup your partitions, or Clonezilla.

A well-written article on how to backup an entire partition using DD. Another way to do this is to use CloneZilla.

Places to buy systems with Linux pre-installed

Places to buy systems with Linux pre-installed (which means the hardware is Linux compatible!). There may be others, this is just a short reference. 1) Dell: Dell is currently selling four laptop systems starting from $549 to $1049; the linux desktop system available starts at $448. All these system are pre-installed with Ubuntu 8.04. here: …

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How to make your Linux harder, better & faster.

Some of these are to be taken with a grain of salt, your mileage may vary: _______________ Harder: – Anatomy of Security-Enhanced Linux (SELinux) – Understanding AppArmor – grsecurity – What is Linux Security Module? – 10 Basic Linux Security Tips to Implement – The Best Linux Security Tools – Linux Audit and Intrusion Detection …

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x2x is a software alternative to a KVM switch

From Linux.com: Unless you have fully embraced the virtualization movement, you probably have more than one machine in your home or office, particularly if you run more than one operating system, and you probably have more than one keyboard and mouse on your desk. If you would like to regain some desk space without having …

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How to install Ubuntu Linux without burning a CD

Extract the files in the .ISO to a USB stick and boot off that, then on-bootup, install from the USB key, quite simple. Here’s the full howto.

Encrypting containers (or partitions) with Cryptsetup and LUKS

Source: feraga.com Howto use Cryptsetup with LUKS support. (Debian Linux). This is a short howto to describe the basic usage of Device-Mapper, DM-Crypt, and Cryptsetup to mount and use encrypted partitions and container files. This is partially in response to the recent articles about the numbers of USB flash thumbdrives that are regularly lost. If …

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Linux Reference Sheets

The 1 page Linux CommandManual Linux Command Reference Linux Security Quick Reference The Gimp Hotkey Reference

Creating global keyboard shortcuts in GNOME

The GNOME desktop environment is the default for Debian (and one of it’s more popular distros, Ubuntu), and is one that I use every day. One thing that I always have a hard time remembering is how to setup global keyboard shortcuts, so this quick guide will document the process. There is a simple applet …

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How to properly backup your system using TAR

Source: help.ubuntu.com Preparing for backup Just a quick note. You are about to back up your entire system. Don’t forget to empty your Wastebasket, remove any unwanted files in your /home directory, and cleanup your desktop. Depending on why you’re backing up, you might want to: Delete all your emails Clear your browser search history …

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How to move Linux to a new hard drive

Source: PenguinPetes.com 1. You’ll need to connect the new drive onto the IDE cable. Most IDE cables have two plugs for hard drives. The headache comes with determining which drive is a master and which a slave, so the computer knows which one to boot to. No two hard drive manufacturers have the same standard …

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Command Line Magic: Part II

Fun with rename: 1) To rename filenames with CAPS characters to lowercase: rename ‘y/A-Z/a-z/’ * 2) To remove <spaces> from filenames: rename ‘s/ /-/g’ * 3) To strip files with the .bak extension: rename ‘s/\.bak$//’ *.bak Free: The free command displays the amount of free and used memory in the system. For example, free -m …

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How to record Skype calls (Ubuntu)

Source: Ubuntu Wiki. Recording Skype calls NOTE: This howto uses examples geared toward recording with gnome-sound-recorder. If you are using KDE, go to the bottom of this howto and click on the original link. There you will find additional info on using kmix and krecord. The basic howto is still the same. What you’ll needed …

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10 Essential tips of Linux Admins

Tips from IBM, not all that complicated, but worth looking at. Other tips include… Sharing computers on a Linux (or heterogeneous) network. IBM’s top 10 Linux articles and tutorials. Miscellaneous tips. Linux-powered networking: Part 1, Part 2 and Part 3. Industrial-strength Linux box lockdown, a howto: Part 1 and Part 2. Introduction to cryptology concepts: …

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Downloading torrents from command line

Source: LinuxHaxor.net Essentially RTorrent, CTorrent and Transmission-CLI.

Command Line Magic: Part I

Source for this great article: Linux.com In this context, a one-liner is a set of commands normally joined through a pipe (|). When joined by a pipe, the command on the left passes its output to the command on the right. Simple or complex, you can get useful results from a single line at the …

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