This document provides an overview of Linux administration and programming. It begins with some introductory points and a career poll. It then covers key topics like Linux distributions, the boot process, file systems, user management, permissions, scripting, networking, and troubleshooting. The document emphasizes that everything in Linux relates to files and processes. It encourages attendees to ask any questions and provides contact information for the instructor.

1. Linux
Administration & Programming
-Akshay Saini
akkilsl522@gmail.com

2. Before we Start
1. Relax & set your mind free.
2. You can write down any important points you find.
3. Doubts/Queries are welcomed anytime in
the mid or end of the class.
4. I hope this day may change the way
you think towards IT/CSE you used
to think yesterday.
5. Let's begin with the Career Poll.

3. Administrator
Designer Developer

4. Linux is Magic
Thanks to LINUS TORVALDS

5. My OS Linux
or
GNU/Linux

6. Distros

7. MBR512
Boot(hdd)
&
Kernel(uname)
threads
Bootloader(grub/lilo, ntldr)
Bootstrapping

9. init & fstab

10. X Window System(X11)
X Server
X Clients X Window Manager
xterm
xedit
xclock
xeyes

14. Linux Architecture

19. User Mgmt

20. Everything in Linux is about
File/Process

21. iNode
(anything starts with i is not an apple product)

22. Soft & Hard Link(ln)

23. Copy(^c+^v) vs Move(^x+^v) vs Rename

24. Install / Copy

25. Its types
Linux Installation
Multi-OS
Partitioning
File System(fdisk)

26. Yeah!! We've achieved a
MILESTONE.

27. Root (or Admin) to Tree

28. / → /bin
/boot
/dev
/etc
/home
/lib
/media
/misc
/mnt
/opt
/proc
/root
/sbin
/selinux
/sys
/tmp
/usr
/var

29. CLI
Terminal
Shell
sh bash dash csh tcsh zsh

30. Basic Commands
man, info,
date, cal,
ls, pwd,
(absolute/relative path)cd,
cp, mv, rm,
touch, mkdir, rmdir,
vi, vim, cat, echo,
more, less, head, tail,
ifconfig, ping

31. Basic Symbols
#, $, @, &, *, ~, >, >>, <, |

32. Thanks to
alias, sort, awk, grep,
find

33. Directory as a File & Backup
tar zip, gzip, bzip, →
gunzip

34. or rsync & diff

35. Permissions / Security
chmod, chown, chgrp
superpermission, acl, selinux

36. The Script or Automation

37. useradd/adduser
→ /etc/passwd
→ /etc/shadow
→ /etc/gshadow
→ /etc/group
→ /etc/skel
→ /var/spool/mail
→ /home
→ permissions to ~

38. ps & kill
nice & top

39. visudo/etc/sudoers

40. packages
­binary
­source
rpm & dpkg

41. yum & apt

42. Basic Networking & ssh
setup
hostnam

43. nfs

44. laPACHEmp Server

45. One Drop Motivation
quota, vnc, kvm, nfs boot, wol,
pxe + kickstart, ltsp, lvm, raid,
ceph
Network+Linux=Today's &
Future Cloud

46. Where to go now???
edx.org → The Linux Foundation

47. If you can't reproduce a problem, then no problem
exists unless it happens again on its own.
Throw out your fear & start
Troubleshooting

48. contact :-
Akshay Saini
+91 98 724 725 65
akkilsl522@gmail.com
anonyxhappie.github.io
Feel free to ask anything or