In this article, we’ll review the necessary information for how to backup and restore information from a Microsoft Windows DHCP server database. Depending on how familiar you are with this procedure, you may or may not be aware that there’s more to it than just a simple “backup and restore the database”. Besides wanting a full copy of your database, sometimes ...

This is an If – Condition Example. Sometimes you need to specify different courses of action to be taken in a shell script, depending on the success or failure of a command. The if construction allows you to specify such conditions. The most compact syntax of the if command is: if TEST-COMMANDS; then CONSEQUENT-COMMANDS; fi The TEST-COMMAND list is executed, ...

This is an awk tutorial. The basic function of awk is to search files for lines or other text units containing one or more patterns. When a line matches one of the patterns, special actions are performed on that line. Programs in awk are different from programs in most other languages, because awk programs are “data-driven”. You describe the data ...

If you’ve ever managed workstation printer installations for a decent-sized Windows environment, you likely already know that it can be challenging at times. But if you’re just now gearing up for the first time to do some deeper management in this area, this article should prove to be very helpful! NOTE 1:  I’ve seen some very short, concise posts or ...

Have you ever needed to install printers on a workstation, and you thought to yourself, “If only I could quickly copy the installed printers from another PC, it would save me so much time!”? Well, today’s your lucky day! Microsoft has actually had a way of accomplishing this for many years (a separate utility named “Print Migrator”, which has since ...

This is a Sed (Stream Editor) example. A Stream Editor is used to perform basic transformations on text read from a file or a pipe. The result is sent to standard output. The syntax for the sed command has no output file specification, but results can be saved to a file using output redirection. The editor does not modify the ...

A regular expression is a pattern that describes a set of strings. Regular expressions are constructed analogously to arithmetic expressions by using various operators to combine smaller expressions. The fundamental building blocks are the regular expressions that match a single character. Most characters, including all letters and digits, are regular expressions that match themselves. Any metacharacter with special meaning may ...

In the past, I had tried to set up Docker during a few different programming competitions without ever having used it before. During the crunch time, I was unsuccessful in both setting it up and learning how it worked. But in those competitions I had the good fortune that my teammates were all able to configure their environment for the ...

Regardless the experience, every Linux user must has, at least, a basic knowledge about the terminal and its usage. This tutorial will explain and show with examples the most used and important commands, after a brief explanation of how the commands work. For this tutorial, Linux Mint 18 has been used. Table Of Contents 1. What are the commands? Where ...