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  • Troubleshooting Linux boot problems

    If your Linux server fails to show the login screen at startup, you have a boot problem. Learn some tricks on how to diagnose and fix a Linux server boot problem from Grub failure to init and runlevels. 

  • The Ext4 file system: A real improvement in Linux file storage?

    The Ext4 file storage system is now integrated into the Linux kernel and supported by the major distributions. Should you switch from your Ext2 or Ext3 set-up? With complete backwards compatibility, there is little reason not to make the jump forward... 

  • Security essentials for Active Directory on Linux

    Active Directory functionality in heterogeneous data centers with Windows and Linux is increasingly appealing, but admins should be aware of the security risks this activity poses. The open admin policy on Active Directory doesn't adequately protect ... 

  • Linux clusters made easy

    Linux cluster experts say systems can run well with good design, open source management and monitoring tools and proactive administrators. The IBM white paper is written for Linux admins with small-scale cluster experience who are facing working on a... 

  • Keys to successfully running Samba in a production environment

    Running Samba in a heterogenous production environment with Linux/Unix and Windows systems is critical to business. Learn best practices for configuration, backup, and support. Proper implementation of change control, keeping an updated version of Sa... 

  • Samba 4 beta offers platform choice to data centers

    When released, Samba 4 beta will fully emulate Active Directory, giving mixed data centers total flexibility in running Linux, Unix or Windows servers. Samba 4 is being developed in conjunction with updates to Samba 3. Some data centers may find that... 

  • A look at real-world exploits of Linux security vulnerabilities

    From unprotected NetBIOS shares, null sessions in Samba, to poorly configured FTP servers, your Linux system may be open and waiting for hackers. Learn how hackers can get into your Linux servers through these weaknesses and what you can do to secur... 

  • Understanding Linux system performance management using top

    The top command in Linux can help Linux server administrators determine how their system is performing, but the information provided may not be clear. Learn what top results mean, including load average values, memory efficiency, and process resource... 

  • Microsoft and Red Hat to cross-certify OS, virtualization platforms

    Microsoft and Red Hat inked a pact to optimize their operating systems running as guests on each other's virtualization platforms. 

  • Five common Linux security vulnerabilities you may be overlooking

    Contrary to popular belief, Linux has security risks, that if not addressed can lead to malicious attacks of your system. Linux system administrators need to make security vulnerability testing a priority.