Programming News and Articles

Open source data center management with Red Hat’s oVirt

SYSADMIN: Virt Captain

The days when administrators were forced to manage virtual machines at the console are gone. Competitors of VMware and Citrix now offer equally sophisticated GUIs. One promising alternative is Red Hat’s oVirt – a free Java interface for Libvirt.

Java
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Managing tasks and events with Timeline

LINUXUSER: On the Line

Is the conference before or after your publication date? What tasks do you need to complete in what order? Was Jean born before Derek? Was the Atari ST released after the Amiga? Timeline is a program that can give you fast answers to these kinds of question, typically at a glance.

Python
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Universal Word Count Shell Script

Productivity Sauce

23.05.2012
While there are several word count extensions for Google Chrome and Chromium (which is currently my browser of choice), none of them seem to be able to handle text selection in the File Thingie's text editor. So I hacked my own shell script that solves the problem.
scripting , shell
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PowerTOP Releases v2.0

17.05.2012

PowerTOP releases v2.0 of its Linux tool, with improved diagnostics and user interface.

Kernel
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Two Simple .bashrc Tweaks

Productivity Sauce

24.04.2012
The ~/.bashrc configuration file contains dozens of options you can modify to customize the Bash shell to your liking.
bash , shell
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KVM API Revamp; Load Balancing Improvements; Scheduler Testability

COMMUNITY NOTEBOOK: Zack’s Kernel News

Chronicler Zack Brown reports on the latest news, views, dilemmas, and developments within the Linux kernel community.

Hardware , Kernel , Programming
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Figure 1: The top.sh script calls the bottom.sh script, which could set configuration parameters. The administrator needs to distinguish between a simple call, exporting environmental variables, and sourcing scripts.

Bash Tips: Debugging and Configuration

19.04.2012

Even tried and trusted configurations that have proved their value through the years can be tripped up by special cases – for example, all of your users logging in with the same IP address. Experienced administrators and Bash aficionados will then enable debugging and launch a systematic search for configuration errors.

bash , Email , IMAP , Programming
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NoOps: Divining the Future of the Network

The Rise of the Developer

09.04.2012

Mention NoOps and you’re sure to start an argument. But terminology aside, this is a coming trend to which ITs should pay attention.

Programming
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Disposition of Binary-Only Modules; Seeking kernel.org Features; Remounting Oddities; PohmelFS Rewritten from Scratch; Device Isolation Groups

COMMUNITY NOTEBOOK: Zack’s Kernel News

Chronicler Zack Brown reports on the latest news, views, dilemmas, and developments within the Linux kernel community.

Kernel , Programming
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The sys admin’s daily grind: Charly’s weather report page

SYSADMIN: All Weather

To find out what the weather is like, sys admin columnist Charly Kühnast no longer needs to go outdoors get wet, blown away, frozen to death, or sunburned.

Programming , Raspberry Pi
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