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Puppet (configuration management)
Puppet is an open source systems management tool for centralizing and automating configuration management. Definition
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Use Kickstart to automate a Red Hat Enterprise Linux OS installation
Sysadmins who want to streamline Red Hat Enterprise Linux OS installation can use a modified Kickstart file by following these tips. Tip
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Use Security Enhanced Linux on SUSE for solid business security
The SELinux framework isn't part of every Linux distribution by default, so to use Security Enhanced Linux on SUSE, you've got to do some tweaking. Tip
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Tweak Linux swap to improve server performance
Many administrators ignore or underutilize the Linux swap settings but making the proper adjustments will make for better system performance. Tip
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Resource allocation with Linux cgroups helps optimize performance
The Linux cgroups feature lets you make a profile to manage resources to keep your system under control. Tip
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Proper Linux DRBD setup helps sidestep common issues
Execute a proper DRBD setup in Linux to save money and avoid headaches. Tip
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Setting up a mirrored Linux DRBD configuration over the network
Administrators can use the distributed replicated block device (DRBD) in Linux to set up basic data redundancy to connect the storage of multiple servers. Tip
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Tune the Linux Ext4 file system for optimal performance
While Ext4 by default works fine for most people, follow these tips to tweak your servers to squeeze out even more speed. Tip
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Talking with the expert: Take control with the Linux command line
Linux expert William E. Shotts Jr. wants more Linux users to discover the command line and tap the advanced functionality below the GUI. Feature
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Search and replace on steroids: Do more with these sed commands
These tips can help administrators help themselves through advanced text editing with the UNIX Stream Editor (sed) utility. Tip