Linux & System Administration

Photoreal cinematic workspace: engineer gestures at holographic network map above desk, floating translucent screens with abstract gauges, unplugged Ethernet beside a server rack.

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.

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.

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.

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.

Illustration: restart Linux network services — open terminal and run sudo systemctl restart NetworkManager or sudo systemctl restart networking; verify with systemctl status ping.

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.

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.

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

Graphic showing Linux commands df -h and du -sh /path, illustrating filesystem summary vs directory sizes, example outputs, key columns, and tips to locate largest files. Use du/df