Latest revision as of 02:47, 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

Template:TOC limit

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/

top

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

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)

top

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

top

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

top

@@ Line 1: / Line 1: @@
- Useful Troubleshooting Commands
+    '''Troubleshooting'''
+ --------------------------------
   Home Page      [[user:scott]]
   Tech Support   [[user:scott/02]]
@@ Line 8: / Line 8: @@
   Laptops        [[user:scott/06]]
   Resources      [[user:scott/07]]
+ Notes          [[user:scott/08]]
 {{TOC limit|limit=1}}
 __TOC__
-==Ububtu Support==
-===Ubuntu Forum===
+=Ubuntu Forums=
+==ubuntuforums.org==
   http://www.google.com/search?client=ubuntu&channel=fs&q=ubuntu+forum&ie=utf-8&oe=utf-8
@@ Line 22: / Line 22: @@
   PW= freegeek
-===Launchpad===
+==Launchpad==
   https://launchpad.net/
+[[#top|top]]
+=Application Configuration=
 ==GConfEditor==
   https://help.ubuntu.com/community/GConfEditor
@@ Line 45: / Line 48: @@
   # networking
   # smb
   # storage
+[[#top|top]]
+=Installed Packages=
+ dpkg -l | less
+=View Processes PID=
+==Running Processes==
+ top
-==Troubleshoot==
+==All Processes==
+ ps -e | less
+ ps aux (user + process)
-===Startup Processes===
+==Analyse /proc/ dir==
+ ls –F /proc/
+ cat /proc/filename
+==Startup Processes==
   dmesg | tail (hardware detected during boot)
-===dmesg - kernel ring buffer===
+=dmesg output for kernel ring buffer=
   cat /var/log/dmesg | less
   dmesg > boot_messages
@@ Line 60: / Line 78: @@
   dmesg | grep -i dma    (HDD(s) is running in DMA (direct memory access) mode)
-===Processes===
+[[#top|top]]
-  ls –F /proc/
-  cat /proc/filename
+=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
-===Crashes & Freezing===
+==ssh Keyring Removal==
-  Overclocked CPUs - Intermittent crashes can result
+  cd /home/bob/.ssh
+ cat known_hosts
+ ssh localhost (to see your fingerprint)
+ ssh-keygen -l -f .ssh/known_hosts
- Overheating - run [http://wiki.freegeek.org/index.php/CPU_Temperature CPU Temperature]
+[[#top|top]]
-==Tech Support Wiki pages==
+=TECH SUPPORT WIKI PAGES=
-===Blank Screen after reboot===
+==Blank Screen after reboot==
   http://ubuntuforums.org/showthread.php?t=1743535
-===Black Screen of Death" on i845, i855===
+==Black Screen of Death" on i845, i855==
   http://wiki.freegeek.org/index.php/Intel_8XX_graphic_chips
-===Login Screen Split===
+==Login Screen Split==
   http://wiki.freegeek.org/index.php/Login_Screen_Split
-===Panel - Reset to Default===
+==Panel - Reset to Default==
   http://wiki.freegeek.org/index.php/Panel_-_Reset_to_Default
-===Printer drivers===
+==Printer drivers==
   http://wiki.freegeek.org/index.php/Printer_drivers
-===Screen-Magnifier Turn-off===
+==Screen-Magnifier Turn-off==
   http://wiki.freegeek.org/index.php/Screen-Magnifier_Turn-off
-===Setting up Evolution===
+==Setting up Evolution==
   http://wiki.freegeek.org/index.php/Setting_up_Evolution
-===Supported ISPs===
+==Supported ISPs==
   http://wiki.freegeek.org/index.php/Supported_ISPs
-===Web cams===
+==Web cams==
   http://wiki.freegeek.org/index.php/Web_cams
-===Wireless card compatibility list===
+==Wireless card compatibility list==
   http://wiki.freegeek.org/index.php/Wireless_card_compatibility_list
-===Window Manager - Reset to Default===
+==Window Manager - Reset to Default==
   http://wiki.freegeek.org/index.php/Window_Manager_-_Reset_to_Default
+[[#top|top]]

Difference between revisions of "User:Scott/05"

Latest revision as of 02:47, 12 January 2012

Ubuntu Forums

ubuntuforums.org

Launchpad

Application Configuration

GConfEditor

Installed Packages

View Processes PID

Running Processes

All Processes

Analyse /proc/ dir

Startup Processes

dmesg output for kernel ring buffer

Crashes & Freezing

Over-Clocking

Overheating

TOOL-BARS - Repairing Corrupted

PANEL Rest - to Default #1

Panel - Reset to Default #2

Disappearing Toolbar

Add Icons to Panel

Audio Things to check

Keyring Removal

Password Keyring Removal

ssh Keyring Removal

TECH SUPPORT WIKI PAGES

Blank Screen after reboot

Black Screen of Death" on i845, i855

Login Screen Split

Panel - Reset to Default

Printer drivers

Screen-Magnifier Turn-off

Setting up Evolution

Supported ISPs

Web cams

Wireless card compatibility list

Window Manager - Reset to Default

Navigation menu

Search