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Backup & Restore DHCP Server Database Information

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 ...

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Bash If – Statement Example

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, ...

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Linux Bash awk Example

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 ...

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Installing Printers in Windows with Export/Import Packages

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 ...

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A Sed (Stream Editor) Example

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 ...

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Bash Regular Expressions Example

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 ...

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Get Started Quickly with Docker and Sidekiq

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 ...

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Linux Commands With Examples

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 ...

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