Enterprise Linux Tips | Page 7

Tips

  • Learning the craft of Linux administration

    Pro Linux System Administration provides models for implementing a Linux infrastructure and builds the foundation you need to manage open source business systems. This guide to Linux administration...

  • 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 runle...

  • Configuring YUM on Linux

    YUM is a package manager for RPM systems, it is made to update groups of machines without having to update each specific RPM. Learn how to configure it using yum.conf and get some basic commands. Y...

  • Recovering your Linux server with a Knoppix rescue disk

    Learn how to recover data on your Linux server if it doesn't boot properly using Knoppix, and how to mount the Linux file systems on your server with step-by-step instructions. How to troubleshoot ...

  • Using nmap for Linux administration and security

    The open source tool nmap is ideal for network troubleshooting, scanning and auditing. The tool can be used to identify devices on the network as well as the services running on them. It can also i...

  • Ext4 file system provides improved Linux 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...

  • 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 p...

  • 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 implementatio...

  • Virtualization options for enterprise Linux

    KVM is taking over as the top ranked virtualization option for Linux, despite some of its stability shortcomings compared to Xen. Learn about virtualization options for Linux including container-ba...

  • Is SUSE Linux Enterprise 11 worth the upgrade?

    SUSE Linux Enterprise 11 has been released with a few new features that may make upgrading attractive. Find out what's new in the Enterprise Server and Desktop editions, and learn whether or not th...

  • Real-world Linux security exploits

    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 ...

  • Optimizing MySQL database performance

    MySQL production environment databases need to be closely monitored and managed for performance to ensure efficiency. Learn simple changes you can make to improve your MySQL DB, including shifting ...

  • What to expect from version 8.4 of PostreSQL database

    The beta release of PostgreSQL is expected in early spring of 2009. PostgreSQL 8.4 has a major improvement that allows quicker discovery of dead tuples with the new free space map, and removal with...

  • 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 av...

  • Virtualization for HPC: Critiques and challenges

    Despite the benefits virtualization technologies can provide to high-performance computing (HPC) deployers, many remain wary. From perceived issues of increased latency and overhead to fear of para...

  • Using virtualization to reinvent HPC on Linux

    Virtualization can be a boon to high-performance computing on Linux, but administrators of these systems seem leery of the technology. Find out what virtualization can do for HPC. The plummeting ha...

  • Understanding the Ubuntu Linux operating systems

    Mark Sobell answers questions conerning his second edition of A Practical Guide to Ubuntu Linux, where he focuses on versions 8.10 and 8.04 and offers a broad understanding of the system. Sobell pr...

  • Five common Linux security vulnerabilities

    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 p...

  • Using OpenSSH for secure network tunnels on Linux

    SSH is secure enough to be used across nonsecure private and public Internets. Learn the basics of SSH execution and how to implement and optimize SSH tunnels with Linux. SSH tunneling features all...

  • Linux regular expression tutorial

    Using regular expressions in grep, awk and sed tools to find a specific text string is a useful tool for Linux administrators. Regular expressions in Linux provide more specific and efficient returns.