Difference between revisions of "User:Scott/05"
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| − | + | '''Troubleshooting''' | |
| − | + | -------------------------------- | |
Home Page [[user:scott]] | Home Page [[user:scott]] | ||
Tech Support [[user:scott/02]] | Tech Support [[user:scott/02]] | ||
| Line 6: | Line 6: | ||
Network [[user:scott/04]] | Network [[user:scott/04]] | ||
Troubleshoot [[user:scott/05]] | Troubleshoot [[user:scott/05]] | ||
| − | Resources [[user:scott/ | + | Laptops [[user:scott/06]] |
| + | Resources [[user:scott/07]] | ||
| + | Notes [[user:scott/08]] | ||
{{TOC limit|limit=1}} | {{TOC limit|limit=1}} | ||
| − | __TOC__ | + | __TOC__ |
| − | = | + | =Ubuntu Forums= |
| − | + | ==ubuntuforums.org== | |
| − | == | ||
http://www.google.com/search?client=ubuntu&channel=fs&q=ubuntu+forum&ie=utf-8&oe=utf-8 | http://www.google.com/search?client=ubuntu&channel=fs&q=ubuntu+forum&ie=utf-8&oe=utf-8 | ||
| Line 21: | Line 22: | ||
PW= freegeek | PW= freegeek | ||
| − | + | ==Launchpad== | |
https://launchpad.net/ | https://launchpad.net/ | ||
| − | + | [[#top|top]] | |
| − | ===Startup Processes | + | =Application Configuration= |
| + | ==GConfEditor== | ||
| + | https://help.ubuntu.com/community/GConfEditor | ||
| + | |||
| + | Alt+F2 and typing gconf-editor | ||
| + | |||
| + | The Apps section contains settings for the system | ||
| + | # compiz | ||
| + | # evolution | ||
| + | # gksu | ||
| + | # nautilus | ||
| + | # metacity | ||
| + | # panel | ||
| + | # Many others | ||
| + | |||
| + | The system section contains settings for the system | ||
| + | # dns_sd | ||
| + | # gstreamer | ||
| + | # http_proxy | ||
| + | # networking | ||
| + | # smb | ||
| + | # storage | ||
| + | |||
| + | [[#top|top]] | ||
| + | |||
| + | =Installed Packages= | ||
| + | dpkg -l | less | ||
| + | |||
| + | =View Processes PID= | ||
| + | ==Running Processes== | ||
| + | top | ||
| + | |||
| + | ==All Processes== | ||
| + | ps -e | less | ||
| + | ps aux (user + process) | ||
| + | |||
| + | ==Analyse /proc/ dir== | ||
| + | ls –F /proc/ | ||
| + | cat /proc/filename | ||
| + | |||
| + | ==Startup Processes== | ||
dmesg | tail (hardware detected during boot) | dmesg | tail (hardware detected during boot) | ||
| − | + | =dmesg output for kernel ring buffer= | |
cat /var/log/dmesg | less | cat /var/log/dmesg | less | ||
dmesg > boot_messages | dmesg > boot_messages | ||
| Line 37: | Line 78: | ||
dmesg | grep -i dma (HDD(s) is running in DMA (direct memory access) mode) | dmesg | grep -i dma (HDD(s) is running in DMA (direct memory access) mode) | ||
| − | === | + | [[#top|top]] |
| − | + | ||
| − | + | =Crashes & Freezing= | |
| + | ==Over-Clocking== | ||
| + | Overclocked CPUs can result in Intermittent Crashes | ||
| + | |||
| + | ==Overheating== | ||
| + | see [http://wiki.freegeek.org/index.php/CPU_Temperature CPU Temperature] | ||
| + | |||
| + | =TOOL-BARS - Repairing Corrupted= | ||
| + | |||
| + | ==PANEL Rest - to Default #1== | ||
| + | go to home folder -> View "hidden files" | ||
| + | oem/.gconf/apps/panel (delete panel) | ||
| + | Logon-Out / Log-In | ||
| + | |||
| + | ==Panel - Reset to Default #2== | ||
| + | |||
| + | gconftool-2 --recursive-unset /apps/panel (All panels will disappear) | ||
| + | rm -rf ~/.gconf/apps/panel | ||
| + | pkill gnome-panel | ||
| + | |||
| + | ==Disappearing Toolbar== | ||
| + | |||
| + | Run in terminal - compiz --replace & disown | ||
| + | |||
| + | ==Add Icons to Panel== | ||
| + | |||
| + | indicator applet (Sound + Email icon) | ||
| + | |||
| + | indicator applet session (Log-Out Shut-Down) | ||
| + | |||
| + | Clock (Time and Date) | ||
| + | |||
| + | Menu Bar (Apps Place Sys) | ||
| + | |||
| + | =Audio Things to check= | ||
| + | |||
| + | a)Mute b)sound-preferences c)alsamixer | ||
| + | chipset, lspci and lshw | ||
| + | Live CD | ||
| + | Older Kernel | ||
| + | apt-get install beep (type beep) | ||
| + | |||
| + | =Keyring Removal= | ||
| + | |||
| + | ==Password Keyring Removal== | ||
| + | cd ~/.gnome2 | ||
| + | cd keyrings | ||
| + | ls -l | ||
| + | rm login.keyring | ||
| − | == | + | ==ssh Keyring Removal== |
| − | + | cd /home/bob/.ssh | |
| + | cat known_hosts | ||
| + | ssh localhost (to see your fingerprint) | ||
| + | ssh-keygen -l -f .ssh/known_hosts | ||
| − | + | [[#top|top]] | |
| − | = | + | =TECH SUPPORT WIKI PAGES= |
| − | + | ==Blank Screen after reboot== | |
http://ubuntuforums.org/showthread.php?t=1743535 | http://ubuntuforums.org/showthread.php?t=1743535 | ||
| − | == | + | ==Black Screen of Death" on i845, i855== |
http://wiki.freegeek.org/index.php/Intel_8XX_graphic_chips | http://wiki.freegeek.org/index.php/Intel_8XX_graphic_chips | ||
| − | + | ==Login Screen Split== | |
http://wiki.freegeek.org/index.php/Login_Screen_Split | http://wiki.freegeek.org/index.php/Login_Screen_Split | ||
| − | + | ==Panel - Reset to Default== | |
http://wiki.freegeek.org/index.php/Panel_-_Reset_to_Default | http://wiki.freegeek.org/index.php/Panel_-_Reset_to_Default | ||
| − | + | ==Printer drivers== | |
http://wiki.freegeek.org/index.php/Printer_drivers | http://wiki.freegeek.org/index.php/Printer_drivers | ||
| − | + | ==Screen-Magnifier Turn-off== | |
http://wiki.freegeek.org/index.php/Screen-Magnifier_Turn-off | http://wiki.freegeek.org/index.php/Screen-Magnifier_Turn-off | ||
| − | + | ==Setting up Evolution== | |
http://wiki.freegeek.org/index.php/Setting_up_Evolution | http://wiki.freegeek.org/index.php/Setting_up_Evolution | ||
| − | + | ==Supported ISPs== | |
http://wiki.freegeek.org/index.php/Supported_ISPs | http://wiki.freegeek.org/index.php/Supported_ISPs | ||
| − | + | ==Web cams== | |
http://wiki.freegeek.org/index.php/Web_cams | http://wiki.freegeek.org/index.php/Web_cams | ||
| − | + | ==Wireless card compatibility list== | |
http://wiki.freegeek.org/index.php/Wireless_card_compatibility_list | http://wiki.freegeek.org/index.php/Wireless_card_compatibility_list | ||
| − | + | ==Window Manager - Reset to Default== | |
http://wiki.freegeek.org/index.php/Window_Manager_-_Reset_to_Default | http://wiki.freegeek.org/index.php/Window_Manager_-_Reset_to_Default | ||
| + | |||
| + | [[#top|top]] | ||
Latest revision as of 01:47, 12 January 2012
Troubleshooting -------------------------------- Home Page user:scott Tech Support user:scott/02 Dir & Files user:scott/03 Network user:scott/04 Troubleshoot user:scott/05 Laptops user:scott/06 Resources user:scott/07 Notes user:scott/08
Ubuntu Forums
ubuntuforums.org
http://www.google.com/search?client=ubuntu&channel=fs&q=ubuntu+forum&ie=utf-8&oe=utf-8 http://ubuntuforums.org/ UID=fgsupport PW= freegeek
Launchpad
https://launchpad.net/
Application Configuration
GConfEditor
https://help.ubuntu.com/community/GConfEditor
Alt+F2 and typing gconf-editor
The Apps section contains settings for the system # compiz # evolution # gksu # nautilus # metacity # panel # Many others
The system section contains settings for the system # dns_sd # gstreamer # http_proxy # networking # smb # storage
Installed Packages
dpkg -l | less
View Processes PID
Running Processes
top
All Processes
ps -e | less ps aux (user + process)
Analyse /proc/ dir
ls –F /proc/ cat /proc/filename
Startup Processes
dmesg | tail (hardware detected during boot)
dmesg output for kernel ring buffer
cat /var/log/dmesg | less dmesg > boot_messages dmesg | grep -i usb dmesg | grep -i ttyS* (show all serial ports) dmesg | grep -i memory dmesg | grep -i dma (HDD(s) is running in DMA (direct memory access) mode)
Crashes & Freezing
Over-Clocking
Overclocked CPUs can result in Intermittent Crashes
Overheating
see CPU Temperature
TOOL-BARS - Repairing Corrupted
PANEL Rest - to Default #1
go to home folder -> View "hidden files" oem/.gconf/apps/panel (delete panel) Logon-Out / Log-In
Panel - Reset to Default #2
gconftool-2 --recursive-unset /apps/panel (All panels will disappear) rm -rf ~/.gconf/apps/panel pkill gnome-panel
Disappearing Toolbar
Run in terminal - compiz --replace & disown
Add Icons to Panel
indicator applet (Sound + Email icon) indicator applet session (Log-Out Shut-Down) Clock (Time and Date) Menu Bar (Apps Place Sys)
Audio Things to check
a)Mute b)sound-preferences c)alsamixer chipset, lspci and lshw Live CD Older Kernel apt-get install beep (type beep)
Keyring Removal
Password Keyring Removal
cd ~/.gnome2 cd keyrings ls -l rm login.keyring
ssh Keyring Removal
cd /home/bob/.ssh cat known_hosts ssh localhost (to see your fingerprint) ssh-keygen -l -f .ssh/known_hosts
TECH SUPPORT WIKI PAGES
Blank Screen after reboot
http://ubuntuforums.org/showthread.php?t=1743535
Black Screen of Death" on i845, i855
http://wiki.freegeek.org/index.php/Intel_8XX_graphic_chips
Login Screen Split
http://wiki.freegeek.org/index.php/Login_Screen_Split
Panel - Reset to Default
http://wiki.freegeek.org/index.php/Panel_-_Reset_to_Default
Printer drivers
http://wiki.freegeek.org/index.php/Printer_drivers
Screen-Magnifier Turn-off
http://wiki.freegeek.org/index.php/Screen-Magnifier_Turn-off
Setting up Evolution
http://wiki.freegeek.org/index.php/Setting_up_Evolution
Supported ISPs
http://wiki.freegeek.org/index.php/Supported_ISPs
Web cams
http://wiki.freegeek.org/index.php/Web_cams
Wireless card compatibility list
http://wiki.freegeek.org/index.php/Wireless_card_compatibility_list
Window Manager - Reset to Default
http://wiki.freegeek.org/index.php/Window_Manager_-_Reset_to_Default