1. Linux Server Admin Administrators Task Chatchai J
2012-11-08
2. Administrators Task System/Server Admin ? 3. Admins Task ? ?
4. SAs Role Appendix A The Practice of System and
NetworkAdministrations2nd, Addison Wesley, 200750 $US 5. Sas Role !
6. Linux Administration Books
http://www.linuxtopia.org/online_books/ On-line, Free ( ??) Search
google 7. Essential System Administration 8. Essential System Admin
(1st ed) Introduction to System Admins Jobs Superuser Communication
with users Admins tools UI Unix Ways Files Processes Devices Unix
Filesystems Layout 9. Essential System Admin (cont.) Startup and
Shutdown Boot Process Starting a boot Initialization Script Shuting
down and halts System crash When system wont boot User Accounts
Adding new user Unix Groups 10. Essential System Admin (cont.)
Security 11. Essential System Admin (cont.) Security () Trust No
One include yourself Backup Have plan B Read good books (available
on internet) and practice . 12. Essential System Admin (cont.)
Security () () 13. Security () ! / 14. Essential System Admin
(cont.) Automating Routine Tasks Using Scripts Periodic Program
Execution (cron) Managing System Resources Monitoring System Load
Controlling Execution Priorities Process Resource Limits Managing
Memory Managing Disk (quota) 15. Essential System Admin (cont.)
Filesystems and Disks mounting and dismounting (mount) managing
disk space usage (df, du) check and validate filesystem disk and
filesystems adding disks ... 16. Essential System Admin (cont.)
Backup and Restore 17. Backup and Restore 18. Backup and Restore ()
Murphys Law 19. Backup and Restore () amanda backup rsync, etc.
(backup on disk) backuppc commercial solution ( !) 20. Essential
System Admin (cont.) Terminal and modems () Printer and spooling (
) TCP/IP Network Management Accounting 21. Essential System Admin
(3rd ed. 2002)
http://www.amazon.com/Essential-System-Administration-Techniques-Edition/dp/0596003439#reader_0596003439See
Chapters List 22. Other books?
http://www.goodreads.com/shelf/show/system-administrationPopular
System Admin Book- #1 The Practice - #2 Essential System - #3 Time
Management for System Admin.. 23. Debian System Admin superuser on
debian su sudoadd new package to system apt-get install PACKAGE
debian repository /etc/apt/sources.listadd contrib and
non-freeremove deb-src we dont need source packages for server
change security.debian.org to
ftp.th.debian.org/debian-securityupgrade from squeeze to wheezy 24.
/etc/apt/sources.list /etc/apt/sources.list.d # apt-get update
error ! 25. We need sudo command# apt-get install sudo# apt-get
remove sudo# dpkg -l | grep sudo# ls -l /etc/sudo*# apt-get purge
sudo# dpkg -l | grep sudo sudo # dpkg -L sudo# dpkg -l sudo 26.
Package Management# apt-get install PACKAGE# apt-get remove
PACAKAGE# apt-get purge PACKAGE# apt-cache search PACKAGE|KEYWORDS#
apt-cache show PACKAGE 27. Package Management using aptitude
aptitude full text windows, and command line# aptitude# aptitude
install sudo# aptitude remove sudo# aptitude purge sudo# aptitude
search sudo# aptitude show sudo# man aptitude synaptics GUI package
management util 28. Update & Upgrade$ sudo apt-get -y update
&&sudo apt-get -y upgrade &&sudo apt-get clean
&&sudo apt-get -y autoremove
