Ubuntu:Edgy th/Troubleshooting

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Troubleshooting

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How to disable system time/date from being reset to UTC (GMT) 

sudo cp /etc/default/rcS /etc/default/rcS_backup
gksudo gedit /etc/default/rcS
  • Find this line 
...
UTC=yes
...
  • Replace with the following line 
UTC=no
  • Save the edited file
  • System -> Administration -> Time and Date

Set the correct time/date 

sudo /etc/init.d/hwclock.sh restart
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How to configure sound to work properly in GNOME 

sudo killall esd
sudo cp /etc/esound/esd.conf /etc/esound/esd.conf_backup
gksudo gedit /etc/esound/esd.conf
  • Find this section 
...
auto_spawn=0
spawn_options=-terminate -nobeeps -as 5
...
  • Replace with the following lines 
auto_spawn=1
spawn_options=-terminate -nobeeps -as 2 -d default
  • Save the edited file 
sudo apt-get install libesd-alsa0
gksudo gedit /etc/asound.conf
  • Insert the following lines into the new file 
pcm.card0 {
type hw
card 0
}

pcm.!default {
type plug
slave.pcm "dmixer"
}

pcm.dmixer {
type dmix
ipc_key 1025
slave {
pcm "hw:0,0"
period_time 0
period_size 2048
buffer_size 32768
rate 48000
}
bindings {
0 0
1 1
}
}
  • Save the edited file 
sudo ln -fs /usr/lib/libesd.so.0 /usr/lib/libesd.so.1

System -> Preferences -> Sound
Sound preferences

General Tab -> Sounds for events (Un-Checked)
  • Save and close all opened applications, Reboot computer
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How to forcefully empty Trash in GNOME 

sudo rm -fr $HOME/.Trash/
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How to remove duplicate menu/menu items in GNOME 

rm -f $HOME/.config/menus/applications.menu
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How to refresh Places menu in GNOME (if mounts to /media/ in /etc/fstab does not show up) 

sudo /etc/init.d/dbus restart
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How to consume static (not dhcp) wireless LAN (WLAN) connection (KDE)

  • I assume you have successfully consumed WLAN connection in Windows
  • To enable the network device please follow the following steps
  • Go to K-menu -> System Settings -> Network Settings
  • Enable Administrator mode
  • Select Network Interfaces tab and the wireless interface (usually ath0) to configure
  • Click Configure Interface...
  • Choose Manual or Automatic. Choose Manual
  • Fill the preferred IP address to identify your computer and the netmask. Choose to activate when computer starts
  • Click Advanced Settings to for more properties
  • Select Routes tab and fill the gateway IP address
  • Make sure you choose the correct device in the right dropdown (e.g. ath0)
  • Click apply to commit all changes
  • To choose wireless connection please follow the following steps
  • Go to K-menu -> Internet -> Wireless Assistant
  • Right click on preferred connection ssid
  • Choose and complete fields for Manual connection
  • Click Ok
  • Create connection configuration 
gksudo gedit /etc/wpa_supplicant.conf
  • Insert the following lines into the new file 
network={
ssid="YOUR_PREFERRED_CONNECTION_SSID"
scan_ssid=1
proto=WPA
key_mgmt=WPA-PSK
psk="STRING_TO_GENERATE_PASSWORD"
#psk=123456789 #you have option to use connection key instead of connection password
}
  • Save the edited file
  • Create script to easily activate connection 
gksudo gedit /etc/init.d/wifi_wpa.sh
  • Insert the following lines into the new file 
#! /bin/sh
# wifi: wpa_supplicant init
echo " * [Wifi]: Enabling WPA supplicant..."
if [ -x /sbin/wpa_supplicant ]; then
/sbin/wpa_supplicant -B -i ath0 -c /etc/wpa_supplicant.conf -D madwifi -w
fi
exit 0
  • Save the edited file
  • Make sure both file readable and executable 
sudo chmod +r /etc/wpa_supplicant.conf
sudo chmod +x /etc/init.d/wifi_wpa.sh
  • make wireless connection automaticaly starts when computer starts 
sudo ln -s /etc/init.d/wifi_wpa.sh /etc/rcS.d/S40netwifiwpa
  • Close all opened applications, Reboot computer
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How to get 1400x1050 resolution working

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