Troubleshooting Common Network Issues in Linux
Photoreal cinematic workspace: engineer gestures at holographic network map above desk, floating translucent screens with abstract gauges, unplugged Ethernet beside a server rack.
Dargslan
How to Use grep, sed, and awk for Text Processing
Illustration of a programming guide showing a terminal with grep sed and awk commands, highlighting pattern matching matching stream editing, text transformation, and commandline efficiency.
Setting Static IP Addresses in Linux (Step by Step)
Step-by-step guide to set a static IP on Linux: edit network files, apply changes, restart networking, and verify connectivity with ping and ip addr show to confirm address status.
How to Mount External Drives and Partitions in Linux
Diagram showing mounting external drives and partitions in Linux: USB drive, hard disk, mount point folders terminal commands (mount, lsblk, blkid, /etc/fstab) and permission note.
Linux Commands for Process Management (ps, top, kill)
Illustration showing Linux process management: terminal displaying ps output and top monitor, arrows to a kill command terminating a process, icons for CPU, memory, PID. Live view.
How to Restart Network Services in Linux
Illustration: restart Linux network services — open terminal and run sudo systemctl restart NetworkManager or sudo systemctl restart networking; verify with systemctl status ping.
How to Manage Multiple Users with Sudo Permissions
Learn how to set up and manage multiple Linux users with sudo permissions safely and efficiently. Includes examples and commands (visudo, sudoers), group controls and best practices for Linux and DevOps beginners.
Linux Log Files: Where to Find and How to Read Them
andLinux log files: locate syslog and app logs in /var/log and ~/.andlinux; open with tail, less or cat; filter with grep; check timestamps and permissions for troubleshooting. v1.
How to Change File Permissions with chmod in Linux
Photoreal 3D workspace with laptop showing a stylized terminal of glowing lines and bars; 3 floating file icons linked to owner/group/others silhouettes with lock/slider metaphors.
SQL Injection Prevention Guide
OWASP Top 10 Explained: Master Web Application Security,Understand OWASP Top 10 threats and secure your web apps with industry best practices.
Secure Web Development in JavaScript
SQL Injection Prevention Guide: Protecting Web and Desktop Applications from One of the Most Common Security Threats,Prevent SQL injection attacks and secure your applications effectively.
Understanding File Ownership and Permissions in Linux
Linux file ownership and permissions diagram: user/group/others; read, write, execute bits; symbolic rwx vs numeric chmod; change owner/group with chown, chgrp. including octal 0-7