How to Create Aliases (Shortcuts) for Common Commands in Linux
Linux users often need to use one command over and over again. Typing or copying the same command over and
10 Must-Know sFTP Commands for Linux File Transfers
File Transfer Protocol (FTP) was once a widely used method for transferring files or data remotely. However, it transmits information
11 Useful Tools to Create Bootable USB from an ISO Image
CD and DVD writers are a thing of the past. You are not likely to find them in modern-day laptops.
How to Install and Use dig and nslookup Commands in Linux
If you’re working with networks, managing domains, or troubleshooting connectivity issues, two essential tools you’ll come across are dig and
22 Linux Networking Commands for Sysadmin
A system administrator’s routine tasks include configuring, maintaining, troubleshooting, and managing servers and networks within data centers. There are numerous
How to Set Up Local Repositories with apt-mirror in Ubuntu
If you’re managing multiple Ubuntu machines in a network, downloading updates and packages for each system individually is a pain,
mkcert: Make Locally-Trusted Development Certificates on Linux
If you’ve ever tried to set up HTTPS locally for development, you’ve probably run into a wall of complexity. Generating
How to Use sed and awk to Modify Config Files in Linux
Linux configuration files are often plain text, which makes them easily editable using command-line tools. Among the most powerful of
Let Sudo Insult You When You Enter Incorrect Password
Sudoers is the default sudo security policy plugin in Linux; however, experienced system administrators can specify a custom security policy
How to Setup Two-Factor Authentication For SSH In Linux
By default, SSH already uses secure data communication between remote machines, but if you want to add an extra security
How Linux Services and Daemons Work (and How to Control Them)
When starting out with Linux, you may encounter the terms “services” and “daemons” quite frequently, which refer to background processes
Master Linux in Just 7 Days – Even If You’re a Complete Beginner!
After the success of our RHCSA / RHCE and LFCS / LFCE certification books, we are now happy to present