Difference between revisions of "User:Scott/05"
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=Troubleshoot Apps= | =Troubleshoot Apps= | ||
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==GConfEditor== | ==GConfEditor== | ||
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# smb | # smb | ||
# storage | # storage | ||
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==Audio== | ==Audio== | ||
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Older Kernel | Older Kernel | ||
apt-get install beep (type beep) | apt-get install beep (type beep) | ||
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=Troubleshoot System= | =Troubleshoot System= | ||
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dmesg | grep -i memory | dmesg | grep -i memory | ||
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) | ||
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=Crashes & Freezing= | =Crashes & Freezing= | ||
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ssh localhost (to see your fingerprint) | ssh localhost (to see your fingerprint) | ||
ssh-keygen -l -f .ssh/known_hosts | ssh-keygen -l -f .ssh/known_hosts | ||
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=TECH SUPPORT WIKI PAGES= | =TECH SUPPORT WIKI PAGES= | ||
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==Window Manager - Reset to Default== | ==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 | ||
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Revision as of 08:44, 21 October 2011
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
Ububtu Support
Ubuntu Forum
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/
Troubleshoot Apps
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
Audio
a)Mute b)sound-preferences c)alsamixer chipset, lspic and lshw Live CD Older Kernel apt-get install beep (type beep)
Troubleshoot System
Packages Installed
dpkg -l | less
Processes Running
top ps -e | less ls –F /proc/ cat /proc/filename ps aux (user + process)
Processes - Startup
dmesg | tail (hardware detected during boot)
dmesg - 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
Overclocked CPUs - Intermittent crashes can result
Overheating - run CPU Temperature
Add to Panel
indicator applet (Sound + Email icon) indicator applet session (Log-Out Shut-Down) Clock (Time and Date) Menu Bar (Apps Place Sys)
Key Ring 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