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Linux Troubleshooting

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Keith Wright
Keith Wright

Presentation for SCALE 9x

Self Improvement
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Troubleshooting Linux Keith Wright Technical Training Resources, Inc.
Troubleshooting ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Be Prepared ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
What's the problem? ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
How widespread is problem? ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Network Version Architecture Machine Everyone Software
What are likely causes? ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Quick Fixes ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Troubleshooting Boot ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Troubleshooting X11 ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
GNOME Desktop Problems ,[object Object],[object Object],[object Object],[object Object]
Troubleshooting Processes ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
GUI Applications ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Application crashes ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Command Not Found or not working as expected ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Troubleshooting Ethernet ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Troubleshooting Wireless ,[object Object],[object Object],[object Object],[object Object],[object Object]
NetworkManager ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Troubleshooting Hardware ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Troubleshooting Disks ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Disk Recovery Tools ,[object Object],[object Object],[object Object],[object Object]
Troubleshooting Help ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
References ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Building Debian Packages ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Using the dpkg command ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
apt-get - To install, update, remove, or purge packages ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
apt-cache - To query packages ,[object Object],[object Object],[object Object],[object Object]
Troubleshooting Packages ,[object Object],[object Object],[object Object],[object Object],[object Object]
Package Management Frontends ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

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Linux Troubleshooting

  • 1. Troubleshooting Linux Keith Wright Technical Training Resources, Inc.
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Editor's Notes

  1. https://help.ubuntu.com/community/ReportingBugs
  2. apt-get –reinstall install package aptitutude reinstall package
  3. burn the rescue cd in the grub-rescue-pc package using cdrecord -v /usr/lib/grub-rescue/grub-rescue-cdrom.iso
  4. On Redhat based systems, also use: system-config-display
  5. yum provides */command yum install package
  6. /etc/sysconfig/network-scripts/ifcfg-eth0 for Redhat