Linux management and configuration

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  • 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. 

  • A systems approach to automated Linux management using rBuilder

    rPath is an automation tool that takes a systems approach to application deployment, management and updates. Learn how rPath works in Linux systems in the enterprise. 

  • Provisioning and hardening Ubuntu 9.10 for PCI DSS

    Learn how to secure your Ubuntu 9.10 Linux servers in compliance with the Payment Card Industry's Data Security Standard (PCI DSS). Start with how to meet the minimal services requirement on a new install and move on to identifying existing services ... 

  • Linux cloning over the network using netcat

    Use netcat to clone Linux images over the network onto multiple servers with a series of simple Linux commands including tar, tee, and dd. This alternative to tools like Clonezilla does not require setting up a separate server. 

  • Linux ext4 file system: Performance and compatibility

    The ext4 file system is now shipped with the most popular Linux distributions, but when should you use it and how do you optimize performance? Learn when to use the ext4 file system and how to set up your Linux system for maximized compatibility and ... 

  • How a Windows or Linux clustered file system works

    When server clusters operate collaboratively, the deployment of a Windows or Linux clustered file system becomes necessary. 

  • Configuring GRUB 2: Tweaking the boot procedure in Ubuntu Server 9.10

    Configuring the new version of GRUB in Ubuntu Server 9.10 has changed. Learn how to install, apply changes to default settings and gain insight in the configuration files in /etc/GRUB.d/*. 

  • Designing a Linux virtual network for KVM virtualization

    Determine how to configure the virtual and physical network cards for optimal performance on a Linux network with KVM hypervisor. The best use of individual network cards and virtual network cards depends on the I/O of the virtual machines on the net... 

  • Linux networking: Using ip tool instead of ifconfig

    If your server was configured manually, make sure the Linux network is set up with the correct IP configurations and the ip tool is being used to monitor your systems. 

  • Using kickstart and understanding packages for RHEL 5.4 hardening

    While wholesale installation of Red Hat is the easiest method, it is not the safest for an enterprise Linux server use. Using kickstart and understanding packages in RHEL 5.4 can save a Linux admin a lot of time later dealing with patches and will pr...