1. Troubleshooting in ubuntu

• Topics to be covered:
• GRUB

2. Packages, Repository making

3. Desktop Applications 4. Virtualisation 5. GRUB

GRUB loading...

6. error 15 7. GRUB loading 1.6 8. failed to initialize 9. Only windows loading 10. Restoring GRUB

Type:

sudo grub

11. find /boot/grub/stage1 12. root (hd?,?) 13. Example: 14. root (hd0,1) 15. setup (hd0) 16. exit 17. Restoring Grub

If unable to find at stage1 Type:

sudo mkdir /mnt/root

18. sudo mount -t ext3 /dev/sda6 /mnt/root 19. sudo mount -t proc none /mnt/root/proc 20. sudo mount -o bind /dev /mnt/root/dev 21. sudo chroot /mnt/root /bin/bash 22. Packages

Debian packages Installation:

Default by click

23. Synaptic package manager 24. Terminal 25. example: sudo apt-get install smplayer 26. Repositories

General Language: Default pathway to look for package installation/updates. Common language: Direct way to install packages with alldependencies.

27. Repository making

From an iso image

First mount the image in a folder

28. type: sudo mount -t iso9660 (iso image path) (mount folder path) -o loop 29. Software sources -> Third-party software 30. type: deb file: //(file path)/ (name)/ 31. type: deb-src file: //( file path)/ (name)/ 32. Repository making

Example:

Applications ->terminal

33. type: sudo mount -t iso9660 '/media/OS/ubuntu/ubuntu-8.10-desktop-i386-dvd.iso' '/home/prakhar/Desktop/w' -o loop 34. Software sources -> Third Party software 35. deb file: ///home/prakhar/Desktop/ w/ 36. deb-src file: ///home/prakhar/Desktop/ w/ 37. Packages

Players

Kaffeine

38. M player 39. SM player 40. VLC 41. Amarok 42. Gstreamers for totem Movie player 43. Packages

Applications :

Gparted

44. Gshutdown 45. Cheese webcam manager 46. Picasa photo organizer 47. Eee Applet 48. Wine 49. Desktop Applications

GNOME Desktop Environment

Screenlets

50. Gdesklets 51. Dock (Cairo etc.) 52. Panel eye candies 53. Compiz 54. Virtualisation

Run several virtual systems ona single host machine

55. Simply run different operating systems simultaneously virtually. 56. Package: 57. Sun xVM Virtual box/Virtual box 3.0 58.

Microsoftgives you windows Linuxgives you the full house Prakhar Gupta

59.

THANK YOU