Linux Administrator Archives - Page 2 of 17

How to Change File Permission in Linux

Change file permission in Linux. It is important to understand that file permissions play a crucial...

Copy missing files with rsync command – We can use rsync command to synchronize files and...

Capture groups using Sed command. Manipulating text files plays an important role in the daily life...

How to Display Contents of a File in CentOS/RHEL/Ubuntu. Whether you are a ordinary consumer or an...

In this tutorial we will learn how to setup Chrony NTP server in CentOS/RHEL 7 servers. Chrony is...

Install KernelCare in Linux: KernelCare provide you to automate the kernel security updates for...

Fix “530 permission denied” in VSFTPD. Vsftpd is a server which provide many web...

In my previous article I have explained how to: Install OpenVAS on Linux Machine. In this article...

What is OpenVAS vulnerability scanner? Install OpenVAS on Ubuntu / Debian or Kali Linux Machine:...

Cryptography (crypto + graphy = secret writing) is the process of safeguarding valuables by turning...

SED is a stream editor that is used to filter and transform text. The SED command can be used to...

Is Linux the King of DevOps? Should all DevOps be Using It? From a philosophy point of view, Linux...

An Android emulator emulates an Android device, it mimics it down to a tee. By using an android...

Most individuals access their email accounts via a web browser. This however is an inefficient...