Using Two-Factor Authentication with Sudo and SSH on Linux with Google Authenticator
Learn how to use two-factor authentication with Sudo and SSH on Linux using the Google Authenticator app.
· Christian Wells
Deploying Kubernetes on CentOS 7 using Kubeadm
Step-by-step instructions for installing Docker, kubectl, and Kubeadm, and initializing your Kubernetes cluster.
· Christian Wells
Exploring the Lynis Audit Report: Understanding and Interpreting the Results of a Security Audit
Learn how to interpret and use the results of a Lynis security audit report to improve the security of your Linux or Unix-based system.
· Christian Wells
Understanding the Linux md5sum Command: Generating and Checking File Integrity
Learn how to use the Linux md5sum command to generate and check the integrity of your files. Understand the limitations and security implications of the MD5 algorithm.
· Christian Wells
How to use Screen Command on Linux
Here is how to use the screen command on Linux to create and manage multiple virtual terminals within a single terminal window.
· Christian Wells
Exploring Binary Data with the Linux xxd Command: A Beginner’s Guide
Linux xxd utility is commonly used by programmers and system admins to view binary data and create hex dumps for analysis or debugging.
· Christian Wells
Troubleshooting Programs with the Linux strace Command
Use the Linux strace command to trace the system calls and signals of a program. This powerful tool can be used to troubleshoot problems or monitor program behavior.
· Christian Wells
Exploring Open Files on Linux with the lsof Command
Use the Linux lsof command to list the open files on a Linux system. This command line utility can be used to view files of various types, including directories, regular and network files.
· Christian Wells
Optimizing Process Performance with the Linux taskset Command
Use the Linux taskset command to set or retrieve the CPU affinity of a running process.
· Christian Wells
Understanding Linux Terminal Devices with the tty Command
Use the Linux tty command to determine the terminal device associated with a given process. Is a useful utility for developers and system administrators.
· Christian Wells