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HowTos

Perl Is a Gem: One-Liners and Programs

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HowTos

During my years as a Unix Systems Administrator and Quality Assurance Engineer, one of the most indispensable tools in my Unix tool box has been Perl. A Perl "power programmer" I am not, though almost daily I find new ways to incorporate simple (and sometimes not so simple) Perl logic into my work, which results in increased productivity and efficiency.

Top Ten Curiously Useful Linux commands.

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HowTos

Ok, so you know grep, awk and sed. You can ls and cd your way anywhere on your computer. You can even eject your cdrom by typing several letters instead of pressing one button. But here's a fresh*,new**, and perhaps even slightly humorous take on several of your all time favorites.

10. mplayer

Seven Post-Install Tips for Ubuntu 7.04

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HowTos

So, you've just installed Ubuntu 7.04, otherwise known as the "Feisty Fawn" release of everyone's favorite (for now) flavor of Linux. You booted the installation disc, looked around the test environment to discover that your hardware was working, and double-clicked the Install icon on the desktop.

The Perfect Setup - Ubuntu Feisty Fawn (Ubuntu 7.04)

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HowTos

This tutorial shows how to set up a Ubuntu Feisty Fawn (Ubuntu 7.04) based server that offers all services needed by ISPs and hosters: Apache web server (SSL-capable), Postfix mail server with SMTP-AUTH and TLS, BIND DNS server, Proftpd FTP server, MySQL server, Courier POP3/IMAP, Quota, Firewall, etc.

I will use the following software:

Web Server: Apache 2.2
Database Server: MySQL 5.0

Installing CentOS 5 "Debian Style"

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HowTos

If one knows of the hype about Ubuntu, and it is almost unavoidable, one is led to believe that it is the most popular Linux distribution for desktop users. I have yet to see hard data that shows evidence of that claim so that will remain unresolved for now. One of the reasons touted for Ubuntu's popularity is that it comes on a single CD.

How to Install Java Runtime Environment (JRE) in Ubuntu

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HowTos

Java is an object-oriented programming language developed by Sun Microsystems in the early 1990s. Java applications are compiled to bytecode, which at runtime is either interpreted or compiled to native machine code for execution.

Tip of the Trade: GParted

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HowTos

Most Linux system administrators are familiar with GParted, the excellent open source graphical disk-partitioning tool. GParted outshines all graphical disk-partioners, including its commercial competitors. With GParted, you can create, destroy, resize, move, and copy partitions on all the major filesystems, including ext2/3, NTFS, fat16/32, Reiser3/4, XFS, JFS, and several more.

GnuCash financial-accounting software in Debian

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HowTos

GnuCash is personal and small-business financial-accounting software, freely licensed under the GNU GPL and available for GNU/Linux, *BSD, Solaris

Create "chroot jail" for bind

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HowTos

This article will explain how to create a chroot jail for bind8. This effectively makes bind oblivious to the rest of the (file)system beyond it's chroot directory tree. Therefore security will be increased, because if bind due to some crack attempt allows shell access one can not go beyond the chroot environment.

(Quoting bind howto):

How to secure WebDAV with SSL and Two-Factor Authentication

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Linux
HowTos

This guide documents how to configure a WebDAV resource using SSL and two-factor authentication and how to access that resource from Windows, Linux and Mac.

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Open-Source Radeon 2D Performance Is Better With Ubuntu 14.10

In this article are graphics card tests going back to the Radeon HD 4870 and even going back that far are 2D improvements with Ubuntu 14.10. However, most interesting is the Radeon HD 7000 series and newer where GLAMOR is used for 2D acceleration rather than UXA. GLAMOR leverages OpenGL for 2D acceleration and with X.Org Server 1.16 the GLAMOR support went from being an independent library to a highly-optimized implementation within the X.Org Server. Ubuntu 14.10 uses X.Org Server 1.16.0 along with Mesa 10.3.0, Linux 3.16, and xf86-video-ati 7.4.0. Read more

What if… KDE Started using Client-Side Decorations?

The main technical challenges faced by KDE developers is ensuring application consistency will continue to work under various form-factors. When Kwin (the KDE window manager) controls window borders, it can quickly and gracefully adapt to multiple form-factors. For example, in Plasma active space is at such a premium KDE can hide window decorations and embed them into the workspace itself. The other technical challenge is protocol and cross-enviornment consistency. It’s known that CSD-enabled applications can look extremly awkward when window borders are wrapped around an application not designed to use them. In addition, protocols for drawing CSDs on Linux are a mish-mash at best, and CSD code tends to be far less portable to other desktop environments. Compounding that, KDE has additional features (such as window tabbing) which are inherently incompatible with the feature. Read more

GNOME: A WEEKEND HACK

I’ve been working on making GtkInspector use a different display connection. This helps isolating it from some of the changes you can trigger from inside the inspector UI. Then I thought, why not use a different backend ?! We did enough work on GDK backend separation that it could almost work. But since we didn’t add API to actually connect to specific backends (users and applications get some control with GDK_BACKEND and gdk_set_allowed_backends()), nobody has ever used multiple backends in the same process. And things that don’t get used don’t work. So some fixes were necessary. Read more

HCG Eating plan Protocol Critiques Clearly show You Added benefits And Negatives

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