Difference between revisions of "User:Scott/05"
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| Line 70: | Line 70: | ||
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 81: | Line 81: | ||
=Crashes & Freezing= | =Crashes & Freezing= | ||
| − | Overclocked CPUs | + | Overclocked CPUs can result in Intermittent Crashes |
| − | Overheating - | + | Overheating - see [http://wiki.freegeek.org/index.php/CPU_Temperature CPU Temperature] |
| − | =Corrupted | + | =TOOL-BARS - Repairing Corrupted= |
| − | == | + | ==PANEL Rest - to Default #1== |
go to home folder -> View "hidden files" | go to home folder -> View "hidden files" | ||
oem/.gconf/apps/panel (delete panel) | oem/.gconf/apps/panel (delete panel) | ||
Logon-Out / Log-In | Logon-Out / Log-In | ||
| − | ==Panel - Rest to Default | + | ==Panel - Rest to Default #2== |
gconftool-2 --recursive-unset /apps/panel (All panels will disappear) | gconftool-2 --recursive-unset /apps/panel (All panels will disappear) | ||
Revision as of 01:43, 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
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 - Rest 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