Tips

Tips

Linux servers

• Build Linux from scratch to improve admin skills

  There's a sure-fire way to increase your knowledge about the Linux kernel and how to troubleshoot Linux servers: Build one yourself.  Continue Reading

• Give the Linux quagga router a try for SDN

  The open source quagga router is garnering attention as a flexible choice for SDN. It's easy to set up with the right hardware.  Continue Reading

• How to tell if OpenStack infrastructure is right for you

  Your data center may -- or may not -- need a flexible open-source cloud. Is your facility ready to handle the infrastructure overhaul of storage and hardware?  Continue Reading

• Master Red Hat, Debian approaches to Linux package management

  Whether you use Red Hat or Debian package manager, get informed on the repositories and commands for easier Linux management.  Continue Reading

• Master Linux service management on System V and systemd

  Managing services on Linux is an essential task for administrators. Learn to work with either System V or systemd.  Continue Reading

• Linux network configuration turns positively wicked

  Wicked replaces a lot of old Linux network configuration commands and utilities in SLES 12, making the OS more cloud friendly.  Continue Reading

• Choosing the best server OS: Linux vs. Windows comparisons

  When determining the best commodity server OS for a data center, you have various Windows and Linux options. And they're anything but equal.  Continue Reading

• SLES 12 anchored in enterprise Linux server availability

  SUSE's latest version of its enterprise Linux server OS defaults to Btrfs, with several features targeting always-on service.  Continue Reading

• Create a SAN with the Linux LIO iSCSI target

  With the LIO iSCSI target service, Linux shops have an affordable SAN option that ranks up there with expensive proprietary storage solutions.  Continue Reading

• Five urban legends that scare a Linux beginner

  The Linux server platform is fundamentally open. Admins migrating from Unix will run into a lot of misinformation when they start out.  Continue Reading

• SUSE YaST takes guesswork out of Linux administration

  In an open-source world, it's hard for one Linux feature to make a difference in the distribution. So, why is YaST so important?  Continue Reading

• Troubleshooting TLS certificates on Linux servers

  Got certificate problems causing your servers' connections to fail? Here's how to find out what's causing them harm and how to fix it.  Continue Reading

• How to stop an SSH server from kicking you off the connection

  SSH connection inconveniences can make remote server management a pain. Here's what do when your SSH server frequently disconnects.  Continue Reading

• Mount file system Linux systemd's way

  Forget about /etc/fstab and autofs. There's a new Linux system around. Systemd manages mounting and automounting of file systems differently.  Continue Reading

• A few ways to configure Linux firewalld

  The method for configuring Linux servers' firewalls changed with RHEL 7 and other new distributions. Learn how to set up firewalld, and what to avoid.  Continue Reading