Tips

  • Installing and configuring Novell SUSE Manager

    Novell's new systems management tool, SUSE Manager, runs as a software appliance in a virtualized environment. Learn how to install and configure SUSE Manager in a Linux XenServer system.

  • Creating RPM packages in Linux

    RPM software management on Linux systems truly has an advantage when you create your own RPM packages. Learn how to use the enhanced vim option to automatically generate a template file after creat...

  • Optimizing Linux for SSD usage

    Default Linux settings won't allow you to take advantage of SSD performance gains. Learn four ways to optimize SSD performance on your Linux system in this tip.

  • Using Vagrant with Puppet to create VirtualBox hosts

    Vagrant integrates with Puppet and Chef to automate configuration management to build VirtualBox hosts. Linux systems admins can use this technology for quickly creating development hosts and produ...

  • Exploring the features of the XFS file system on Linux

    The XFS file system has been designed to deal with high file volumes and large files more efficiently. Find out how the file system manages these files, and when it might be appropriate to use this...

  • Puppet 2.6.x: Using new features

    The popular open source enterprise systems management tool, Puppet, has been updated in 2.6.0 and 2.6.5. Learn about the new features and see how they work with sample code.

  • Using Linux file system barriers

    Linux file system barriers in Ext3 and Ext4 protect data written to the journal. Learn how these barriers work and in which use cases they are a benefit, and in which cases you should disable them ...

  • Getting started with Apache OFBiz ERP solution

    Many large sucessful enterprises use Apache OFBiz as their ERP solution. Find out how to get started with this open source tool for your e-business.

  • SELinux tutorial: Commands and management

    Learn some key commands in SELinux and some user and port management tools to get SELinux running on your Linux servers for a more secure environment.

  • Linux command line tricks: less, screen, pgrep and more

    Mastering the Linux command line can make a system administrator's job much easier. Learn these command line tricks including aliasing more to always be less, using pgrep, screen, tmux, and aspell ...

  • SELinux tutorial: Configuring RHEL 5

    Configuring SELinux on RHEL 5 is easy using the GUI options. Learn how to set up SELinux using simple menu options and Boolean conditions in this tutorial. Also see how easy it is to secure Web ser...

  • Working with Linux file system attributes

    File system attributes can provide a valuable addition to the way you ensure security on your Linux server. Learn how to mount, list and change file system attributes in ext4.

  • Building massively distributed applications with Hadoop

    Hadoop has become the de facto solution for distributed data processing. Learn about how this open source project from the Apache Software Foundation creates reliable, scalable, distributed computi...

  • Clustered virtualization with Ganeti

    Ganeti is a tool for managing virtual instances across a cluster. Learn how to install this open source cluster-management tool on your Linux system using Xen as the hypervisor, and get it to work ...

  • SELinux tutorial: Introduction to Linux kernel security

    SELinux may seem too complex for some administrators who instead disable the useful Linux kernel security tool. Learn how SELinux works, including how subjects and objects work and security policy ...

  • Using MindTouch document management on Linux

    MindTouch is an open source document management system alternative to SharePoint and other commercial software. In this tip, learn how to set up MindTouch on a Linux server, using CentOS 5.5 as the...

  • Changing from System V init to Upstart in RHEL 6

    System V init is fading to a memory in Linux boot systems as the new Linux disdribution releases, such as Red Hat Enterprise Linux 6, switch to using Upstart. Learn what is different with this boot...

  • Open source Web content control options

    Setting up Web filters to control the content employees and customers using your Linux network can access is an important part of securing your Linux system. Learn about some open source solutions ...

  • Improving security in open source Web applications

    Hackers thrive on exploiting open source Web application source code. But these tactics can protect your corporate applications from common security vulnerabilities and breaches.

  • Optimizing SUSE Linux performance for VMware

    Learn how to optimize Suse Linux Enterprise Server (SLES) on VMware by optimizing VMware and SUSE. For better performance, switch to VMware's paravirtualization disk driver and adjust I/O settings ...