Completing filenames when using Vim in command mode can be tricky. These tips will make it a simpler task.
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Linux admins looking for an easy way to set hard and soft limits for users will find much to like about the pam_limits module. With pam_limits, you can set parameters on system resources on a per-user (or per-group) basis for all variables--from the maximum number of files a user can have open to the amount of CPU time.
Linux and other Unix-type systems contain a wealth of features under the surface. Oftentimes, however, these features are non-obvious and hard to find. Compgen, a GNU Bash builtin that shows all possible completions, is one such feature.
Is your hardware inadequate for your site? Throwing more resources at it may not be the best answer. For WordPress sites, W3 Total Cache is an inexpensive way to wring the most out of what you already have.
Most admins know kill and pkill. But those looking for a quick, clean kill use slay.
If security is a primary concern for you (it should be), introduce yourself to 10 secure Linux distributions ready to work in any environment from small to enterprise to cloud.
WordPress is one of the most popular CMSes, which means it is among the more commonly exploited. Use the Exploit Scanner plugin to help lock it down.
Renameutils is aptly named. The easy-to-use collection of utilities makes renaming files as easy as using your favorite text editor.
When it comes to collecting system status data, sar is a veritable workhorse. It is not, however, without its limitations. If you're in the market for a utility that also handles NFS, Slab data, and sub-second intervals, consider collectl.
For sys admins, running a process can feel like driving cross-country without a road map. Pipe Viewer is one way to answer the question, 'are we there yet?'
With GNU ddrescue you need never worry about the impact of optical media degradation on your data.
Understanding regular expressions is important for anyone who spends time doing system administration or programming. If that describes you and regexes are not your strong suit, txt2regex is an excellent tool to have handy.
The initial beta of Microsoft's System Center Virtual Machine Manager 2012 was released to the MSDN community two months ago. We step through our user experience with and provide some tips to get things working optimally.
For admins who work with Debian-based systems, the basics dpkg and APT's tools are old hat. For a richer user experiences, like knowing which packages have release-critical bugs, hog the most disk space and so on, Debian Goodies is a set of utilities that's good to know.