So one of the last things that wasn’t perfectly working was coming out of suspend when I opened the lid. First thing you need to so is find the name of the LID switch:
ls /proc/acpi/button/lid/
LID0
Mine seems to be LID0 or LID1. You can then check it’s current state by doing:
cat /proc/acpi/button/lid/LID0/state
state: open
Now all you need to do is add this to the wake up list
sudo -s
echo LID0 > /proc/acpi/wakeup
That’s it,
UPDATE: Ubuntu 14.10 settings
Ubuntu 12.10 works pretty well out of the box (for me it was just power management and keybindings that needed work), see Ubuntu wiki if you have any other issues . Using powertop I was able to understand what needed doing. What follows are my settings:
/etc/rc.local
#!/bin/sh -e
# Temp disable ethernet port
modprobe -r r8169
# Disable wake up on lan if I do use ethernet port
ethtool -s eth2 wol d;
# Temp disable bluetooth
modprobe -r btusb
# Adjust backlight to start much lower
echo 11 > /sys/class/backlight/acpi_video0/brightness
# - NMI Watchdog (turned off)
echo 0 > '/proc/sys/kernel/nmi_watchdog';
# - SATA Active Link Powermanagement
echo 'min_power' > '/sys/class/scsi_host/host0/link_power_management_policy';
# - USB Autosuspend (after 2 secs of inactivity)
for i in `find /sys/bus/usb/devices/*/power/control`; do echo auto > $i; done;
for i in `find /sys/bus/usb/devices/*/power/autosuspend`; do echo 2 > $i; done;
# - Device Power Management
echo auto | tee /sys/bus/i2c/devices/*/power/control > /dev/null;
echo auto | tee /sys/bus/pci/devices/*/power/control > /dev/null;
# - CPU Scaling (on demand scaling governor for all CPU's
for i in `find /sys/devices/system/cpu/*/cpufreq/scaling_governor`; do echo ondemand > $i; done;
exit 0
On the keybingings the only keys that didn’t work were some of the Fn Keys
Previous to Gnome 3 I had a nice simple flat file for my keyboard settings, that I just unzipped into .gconf and all was good. Now Gnome is copying the very bad idea of a registry from Windows, you have go through the gsettings API or tool.
Locate the keyboard shortcut schema “org.gnome.desktop.wm.keybindings”
Now lets “export” them
gsettings list-recursively org.gnome.desktop.wm.keybindings > keybindings
Now unfortunately there does not appear to be a way to import that file, so I just hacked the file. Adding “gsettings set” to the front and quoting the values.
So
I found this article http://ip6.com/projects/?p=363
So I just changed the IP address to match the default that the Vigor modem uses:
ifconfig eth1:1 192.168.2.9 netmask 255.0.0.0
iptables -I POSTROUTING -t nat -o eth1 -d 192.0.0.0/8 -j MASQUERADE
It’s not perfect but it’s a start.
By default Meld’s 3 way merge combined with Mercurial merges into the left panel. To make it merge into the middle panel add the following to .hgrc file
[merge-tools]
meld.executable = meld
meld.args = $local $base $other -o $output
In Chapter 6 “Where to go from here” on page 58 Dean references TotallyLazy for those not wanting to take the scala / clojure route.
Hopefully this will stop someone from wasting a day of their life…
If you pass in the following when you start your Java application:
java -Dlog4j.configuration=file:///some/path/log4j.properties
And that file contains a class that is not on the class path
log4j.appender.myAppender=biz.minaret.log4j.DatedFileAppender
log4j.rootLogger=error, myAppender
Then due to the log4j static initialisers you will not see an error for the class in question but instead:
Caused by: java.lang.ClassNotFoundException: org.apache.log4j.FileAppender
at java.net.URLClassLoader$1.run(URLClassLoader.java:202)
at java.security.AccessController.doPrivileged(Native Method)
at java.net.URLClassLoader.findClass(URLClassLoader.java:190)
at java.lang.ClassLoader.loadClass(ClassLoader.java:307)
at java.lang.ClassLoader.loadClass(ClassLoader.java:248)
Unfortunately for me this was caused by a transitive dependency changing in Maven. Damn you Maven/Log4J