linux-lab

• module 01. What Linux Is
• module 02. Linux Family
• module 03. CentOS Installation and Basic Configuration
• module 04. Basic Shell Usage
• module 05. Linux Directories Layout
• module 06. Working with Files
• module 07. Linux Users and Groups
• module 08. File Permissions, Links
• module 10. Filesystems, Devices
• module 11. Working with LVM
• module 12. Processes Hierarchy
• module 13. SWAP, Memory Usage
• module 14. Linux Bootloaders
• module 15. InitV System
• module 16. SystemD
• module 18. Using Journalctl
• module 19. Working with Cron Jobs
• module 20. Software management
• module 21. Network Configuration
• module 22. SSH Overview, SCP
• module 23. Basic Apache Configuration

Tools you should get accuineted with:

Package Management

• yum
• rpm

Filesystem, Files and Directories

• pwd / cd / ls
• mkdir / rmdir
• cp / mv / rm
• touch
• du / df
• echo / cat
• head / tail
• fdisk / mkfs
• mount / umount
• lsblk / partprobe
• dd
• tar / zip / unzip
• locate / find / grep
• ln / unlink

System Resources, Processes

• top / ps
• uptime
• free
• bg / fg / nohup
• kill / killall

Logical Volumes

• pvcreate / pvresize / pvscan
• vgdisplay / vgextend
• lvdisplay / lvextend

File Editors

• vi/vim

Manageing Users and Groups

• id / w / whoami
• useradd / groupadd
• usermod / groupmod
• getent

Escalating Privileges

• su / sudo
• chmod / chown

Network, Remote Access

• curl
• ssh / scp
• ping
• hostname / ip / ifconfig
• netstat

System Services

• systemctl
• service
• chkconfig
• date
• uname

Schedule

• crontab

Logs

• journalctl