Linux management and configuration

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  • 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. 

  • SELinux tutorial: Configuring RHEL 5 and Web servers

    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 servers such as Apache using SELinux. 

  • 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. 

  • RHEL 6 ditches System V init for Upstart: What Linux admins need to know

    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 service and how to work with it to get your Linux bo... 

  • Optimizing SUSE Linux performance for VMware environments

    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 in SUSE along with changing the journal settings. 

  • TurnKey Linux Hub makes fast work of cloud appliance management

    With cloud appliance management a growing issue, TurnKey Linux Hub makes effective management simple with the ability to deploy and manage Linux appliances to Amazon's EC2. 

  • Mounting file system resources with AutoFS

    AutoFS allows resources to be mounted on an as-needed basis, simplifying the management of NFS shares. This tip walks you through the process of setting up AutoFS. 

  • Setting up a syslog server in Linux

    A central logging server can make it easier to manage logs. In this tip, learn how to collect and centralize syslog messages from your hosts onto one syslog server in Linux. 

  • Displaying Puppet reports on Puppet Dashboard

    Managing configurations with Puppet just got easier. In this tip, learn how to display your Puppet reports on the Puppet Dashboard GUI. 

  • Optimizing Linux swap space usage

    Today's powerful servers with plenty of RAM can make swap space seem like a thing of the past, but knowing how much you need can help keep your system running smoothly.