Advice for everyday Unix systems administration and some clever ways to approach more challenging problems.
There are many options you can use to find files on Linux, including searching by file name (or partial name), age, owner, group, size, type and inode number.
With contributions from Red Hat and critical collaborators, the safety and security of automotive vehicles has reached a new level of reliability.
There's a lot more to printing from the Linux command line than the lp command. Check out some of the many available options.
Converting text between uppercase and lowercase can be very tedious, especially when you want to avoid inadvertent misspellings. Fortunately, Linux provides a handful of commands that can make the job very easy.
The pv command is especially helpful when you are running tasks that take a long time to complete and you want some feedback that displays your progress.
Running processes in the background can be convenient when you want to use your terminal window for something else while you wait for the first task to complete.
Case statements can allow you to simplify the logic of your scripts.
The zip command lets you compress files to preserve them or back them up, and you can require a password to extract the contents of a zip file.
Email spoofing is acknowledged by experts as a very credible threat.
These AND and OR equivalents are often used in scripts to make decisions about what happens next. In this post, we’ll take a look at how they work at a very basic level and some ways they are often used in scripts.
The shred command is a good option for removing files from a Linux system in a way that makes them virtually impossible to recover.
If you manage Linux servers, it’s a good idea to understand how much they're being used and which users are making the heaviest use of them. A few Linux commands offer different ways to see which users are logging into your Linux servers, ....
Directories provide a hierarchical way to organize your files, and you can categorize them to suit your needs.
The annual World Backup Day, which is March 31, is a good reminder to review your backup policies and practices.
Aliases provide an easy way to reuse complicated or often-used commands.
Leap years are not quite as regular as we might have believed. A fairly simple Linux script can tell you whether a year will be a leap year or not.
Requiring password changes is a common security practice, and Linux systems admins can use the chage command to view and change password expiration information.
While the desktop is not Linux's claim to fame, Linux still offers a huge number of distributions that can make your desktop computer work just like you'd want.
Open source code makes a lot of difference when it comes to how you can tailor an OS, adjust it to meet your needs, and fit it to the required tasks – whether large or huge.
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