1. Linux Fundamental
@dylanninin

2. Concepts

3. Concepts - Ubuntu Desktop 10.04

4. Concepts - Ubuntu Server 14.04

5. Concepts - Linux

6. Concepts - History

7. Concepts - Linux distributions

8. Concepts - Architecture

9. Concepts - Philosophy
Everything is a file
• File Operations
• Device I/O
• Network I/O
• OS Runtime
System calls

10. Concepts - Philosophy
Do One Thing and Do It Well
• cat
• ls
• …

11. Concepts - Philosophy
Rule of Composition
• pipes
• filters

12. Concepts - Linus Torvalds
• Linux Kernel
• Git
• Just for Fun
• Talk is cheap, show me the code.
• Survival, Social Order, Entertainment

13. How to get a Linux environment ?

16. Bash

17. Bash - Your shell
$ echo $SHELL

18. Bash - Do whatever you want
$ rm -rf /

19. Bash - Do whatever you want
Who
w
last
history
…
Running
ps
netstat
…
CPU/RAM
free
uptime
top
htop
…
Hardware
lspci
dmidecode
ethtool
…
Perf
iostat
vmstat
mpstat
…

20. Bash - Profile
$ man bash

21. Bash - Display all ENV variables
$ env

24. $ sh -x filename
Shell Script - Debug your script

26. VIM Introduce
• Writing: Notepad, TextMate, Word, MacDown, Vim…
• Coding: Notepad, IDEs, Vim…
• Editing: Nano, Vim, Emacs…
• Ops Vim, Emacs…

27. VIM Modes

29. SSH - OpenSSH

30. SSH - OpenSSH

31. SSH - cli: ssh/scp

32. SSH - cli: ssh/scp

33. SSH - cli: ssh/scp

34. SSH - client: iTerm2/XShell
iTerm2 XShell

35. SSH - UseCases
• ssh -D 8080 user@host
• ssh -L 2121:host2:21 host3
• ssh -R 2121:host2:21 host1

37. directory hierarchy

38. Skills - Directory

39. permissions

40. Skills - Permissions

41. Skills - Permissions

42. symbol/hard links

44. Skills - Symbol/Hard Links

45. redirection

46. Skills - Redirection

47. Skills - Redirection

48. pipeline

49. Skills - Pipeline
$ find . -name "*.py"| xargs grep -v '^$' | wc

50. Skills - Pipeline

51. cron

52. Skills - Cron

53. iproute2

54. Skills - iproute2

55. iptables

56. Skills - iptables flow

57. Skills - iptables

58. Skills - iptables

59. manual

60. Skills - man
$ man man

62. Containers vs VMs

63. Docker Architecture

64. Docker on Linux

65. Bocker
Docker implemented in around 100 lines of bash.
https://github.com/p8952/bocker

67. Reference
• https://en.wikipedia.org/wiki/Linux
• https://en.wikipedia.org/wiki/Man_page
• https://en.wikipedia.org/wiki/Linus_Torvalds
• http://tldp.org/LDP/abs/html/textproc.html
• https://en.wikipedia.org/wiki/Shell_(computing)
• https://en.wikipedia.org/wiki/Bash_(Unix_shell)
• https://en.wikipedia.org/wiki/Vim_(text_editor)
• https://en.wikipedia.org/wiki/Secure_Shell
• http://www.tldp.org/LDP/intro-linux/html/sect_03_01.html
• https://en.wikipedia.org/wiki/Iproute2
• https://en.wikipedia.org/wiki/Iptables
• https://en.wikipedia.org/wiki/Docker_(software)
• https://github.com/p8952/bocker
• http://www.jianshu.com/p/d3569613fcf8