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System and Network Administration (Basic Concepts (Linux (The origins of…
System and Network Administration
Basic Concepts
System administration and system administrator
System administration
Goals of administration
Challenges of system/ network administration
Required things for successful system administration
System administrator
Essential duties of administrator
System/ network management styles
Source of information for system/ network administrators
Software license types
GNU General Public License (GPL)
GNU Lesser General Public License (LGPL)
BSD License
Proprietary software license
POSIX (Portable OS Interface for Computer Environments)
Linux
The origins of linux
Linux lineage
Linux distributions
Major distributions types
Linux kernal release number
GNU Linux
Ethics
SAGE Code of Ethics
LOPSA
"Man" pages and online documentation
Linux documentation project
RFCs and other documents
Unix and Linux distributions
GNU (GNU's Not Unix)
System V & GNU
BSD
UNIX
Unics
Multics
Installing an OS
Linux Installation
Download CentOS
CentOS Installation
HDD layout for Linux
Linux boor process
Bootstrapping
Boot process in nutshell
Single vs dual booting
Single booting
Dual booting
Master boot record (MBR)
OS boot loaders
LILO (LInux LOader)
GRUB (GRand Unified Boot Loader)
Run levels of Linux
Run levels
0 - System halt
1 - Single user
2 - Multiple user
3 - Multiple users, command line
4 - User-definable
5 - Multiple users, GUI
6 - Reboot
Access single user mode
if you'r in desktop
if you aren't in dekstop
Rebooting and shutting down
Rebooting
shutdown -r" / reboot" / init 6