Do you have PDF files and want to extract images from them? One of the easiest and simplest ways to extract images from PDF files is to use the pdfimages command-line tool in Linux. Moreover, there are other tools that … Read more
Tag: system administration
Getting to know various domain name information such as the IP address, registrar, DNS details, nameservers and more is definitely a useful task. In this tutorial, you will learn how to do that using tools like host and whois.… Read more
Linux operating systems are used mostly for servers and server-side applications. Knowing the hardware capabilities, components and compatibility is essential for any system administrator, developer, or DevOps engineer. All right, you may know the number of CPU cores, how many … Read more
Say you want to send an important file, how do you ensure that the receiver will get the exact file without any changes ?
Well, the most common approach is use hashing, which translates the file information into fixed sized … Read more
A regular expression is a sequence of characters defining a search pattern. It is one of the most powerful tools when it comes to mass text data filtering and modification.
Regular expressions often scares the newcomers but even with a … Read more
