Tips

  • Hardening Red Hat Enterprise Linux 5.4

    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...

  • Linux distro offerings for cloud computing

    Find out what the major Linux vendors are offering for cloud computing, and how the Linux distributions' cloud computing tools compare to one another. From Ubuntu Enterprise Cloud to Red Hat's RHEV...

  • Troubleshooting Linux networking problems

    Analyze and repair network problems related to your Linux system in three steps: determine if the network card is there, then check the hardware configuration and drivers. Some hardware also needs ...

  • Using BackTrack to check for Linux vulnerabilities

    Through common security methodologies and a full array of security testing tools, BackTrack identifies and exposes flaws within your Linux systems.

  • Introducing OVAL: An open source security language

    OVAL is a standardized security langauge that will help IT security professionals determine security vulnerabilities in a consistent manner across systems. With a unified language, a definition can...

  • Creating virtual appliances with Novell SUSE Studio

    Virtual appliances make testing operating systems and applications simple, but building them can difficult. Tools like Novell SUSE Studio, however, are here to help.

  • Hardening Linux with Bastille UNIX

    Ensure your security by hardening the Linux operating system with either Bastille UNIX or through manual hardening best practices.

  • Recovering the admin account on Ubuntu Server

    How do I recover my admin password or account on Ubuntu Server? If you are asking this question, this tip will help you create an admin account with access to sudo on Ubuntu Server.

  • Repair an ext3 file system with the superblock

    A damaged ext3 file system is accessible and repairable, thanks to the data within either the superblock or the superblock's backup.

  • Learn all about Ubuntu

    The Official Ubunti Server Book teaches readers everything they need to know about the Ubuntu server operating system whether they are beginners or experienced users. The book details everything fr...

  • Solving Linux server hangs stemming from kernel issues

    When Linux kernel issues cause functional machines to hang, determining the type of hang -- interruptible or non-interruptible -- is imperative to troubleshooting the situation.

  • How to solve logical volume management issues

    Excluding certain Logical Volume Manager (LVM) devices from startup scans and the manual activation of logical volumes are two pesky logical volume management issues. Find out how to resolve them.

  • Troubleshooting Logical Volume Manager boot problems

    If Logical Volume Manager (LVM) boots incorrectly, logical volumes are inaccessible and you can't manage server disk space. In this LVM how-to, we offer some simple steps to troubleshoot boot issue...

  • Linux provisioning automation with Cobbler

    Learn how to set up and run, Cobbler, an install and provisioning server. It holds OS images and manages PXE booting, network configuration and deploys and installs them. It supports a wide variety...

  • How to fix Linux MBR partition tables

    The master boot record partition table allows you to access information on your server. Sander van Vugt walks you through how to recover partition tables on your Linux server or desktop starting wi...

  • Five obscure but helpful Linux commands

    Learn about five of the more rarely used Linux commands (logsave, diff3, pstree, nl and split) that are useful, with a description of each command's flags and options. These commands work well for ...

  • Getting started with OpenQRM

    Learn how to install and use OpenQRM, a free and open source pluggable framework for automatic application deployment, management, and monitoring. It supports a range of virtualization tools and wo...

  • Backing up the Linux master boot record

    The Linux master boot record (MBR) contains GRUB and the partition table, and to avoid crippling boot errors, it is a good idea to make a backup of it. Learn how to backup the MBR and how this effo...

  • Setting up cloud computing with Eucalyptus

    Cloud computing provides on demand provisioning of compute resources. Learn how to set up Eucalyptus on Ubuntu to perform your own cloud computing operations. Eucalyptus is available in source code...

  • Fixing Linux boot problems with GRUB

    If problems in the Linux boot process occur when GRUB is loaded find out how to figure out what went wrong using two options. You can re-install GRUB using grub-install and start your computer, or ...