The guys behind the Google Maps are working on a tool for communication and collaboration on the web. It’s called Google Wave and it’s planned for release later this year. The nice thing is that will be open source’d and you can allready use their API to start building your stuff.
You can watch the video from the Google I/O where they unveiled the project.
httpvh://www.youtube.com/watch?v=v_UyVmITiYQ
I experienced a lot of random X server crashes using the proprietary driver for the NVIDIA graphic card on my Thinkpad T61 running Ubuntu 9.04 x86 with Compiz activated.
I managed to fix the problem by installing the lastest NVIDIA driver. I wrote a little script to automate the process and save time. I recommend you to run this in command line mode. Here it is:
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#!/bin/bash # Check if the X server is running pid_of_X=`ps aux | grep X | grep -v 'grep' | grep root | awk '{ print $2 }'` if [ -z "$pid_of_X" ]; then echo -e '\n\n\n\n\n\n\n\n\n' echo -e 'X is not running! - Good!\n' # Stop the xserver (GDM) sudo /etc/init.d/gdm stop cd $HOME/Desktop if [ -e latest.txt ]; # Check for 'latest.txt' file then rm -f latest.txt fi if [ -e NVIDIA-Linux-x86-* ]; # Check for 'NVIDIA-Linux-x86-*' file then rm -f NVIDIA-Linux-x86-* fi # Get the latest driver from NVIDIA's ftp nvidia_ftp='ftp://download.nvidia.com/XFree86/Linux-x86' wget -c -T 10 $nvidia_ftp/latest.txt new_driver_version=`cat latest.txt | awk '{ print $1 }'` new_driver_filename=`cat latest.txt | awk '{ print $2 }'` wget -c -T 10 $nvidia_ftp/$new_driver_filename chmod +x $HOME/Desktop/NVIDIA-Linux-x86-* # Remove all nvidia* packages in the system sudo dpkg -l | grep nvidia | awk '{ print $2 }' | xargs sudo aptitude -y purge # Remove all the nvidia kernel objects currently installed export kernel_version=`uname -r` sudo rm -f `find /lib/modules/$kernel_version -iname nvidia.ko` # Install the new driver sudo sh $HOME/Desktop/NVIDIA-Linux-x86-*.run rm -f NVIDIA-Linux-x86-* rm -f latest.txt echo -e '\n\n\n\n\n\n\n\n\n' echo -e '---------\n' echo -e 'All done!\n' echo -e 'Starting GDM in 5 seconds...\n' sleep 5 # Start GDM sudo /etc/init.d/gdm start else echo -e '\n\n\n\n\n\n\n\n\n' echo -e 'X is running!\n' echo -e 'You should run this script in console mode!\n' echo -e 'Press CTRL+ALT+F1 to go to console mode, then run this script again!\n' echo -e '\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n' echo -e 'Aborting in 5 seconds!' echo -e '\n\n\n\n\n\n\n\n\n' sleep 5 exit 0 fi |
Recently I made a clean install of Ubuntu 9.04 on my Thinkpad T61.
I configured the figerprint, the accelerometer is reporting correct values.
I did not like the default resolution at boot. So I created a custom usplash.conf file:
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sudo joe /etc/usplash.conf |
I should contain these lines:
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xres=1680 yres=1050 |
The next step was to update the “initial RAM disk”, that is used when the system boots up:
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sudo update-initramfs -u |
Next, I modified my /boot/grub/menu.lst file.
I added as a parameter for the current kernel the value vga=872:
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kernel /boot/vmlinuz-2.6.28-11-generic root=UUID=7281a5b5-6dd5-4011-beff-27339b4b9693 ro splash vga=872 |
Nice and clean!
I use the following script to automatically update my Ubuntu box.
I don’t recommend using this on your production servers!
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#!/bin/bash ################################################# ## ## ## auto-update.sh v1.0 ## ## Use this script to set up automatic updates ## ## on your debian/ubuntu box. ## ## ## ################################################# ## Creating /usr/bin/auto-update.sh file sudo touch /usr/bin/auto-update.sh sudo chmod 700 /usr/bin/auto-update.sh sudo chown root:root /usr/bin/auto-update.sh echo '#!/bin/bash' | sudo tee -a /usr/bin/auto-update.sh echo 'touch /var/log/auto-update.log' | sudo tee -a /usr/bin/auto-update.sh echo 'echo '------------------' >> /var/log/auto-update.log' | sudo tee -a /usr/bin/auto-update.sh echo 'echo `date` >> /var/log/auto-update.log' | sudo tee -a /usr/bin/auto-update.sh echo 'PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/X11R6/bin' | sudo tee -a /usr/bin/auto-update.sh echo 'export PATH' | sudo tee -a /usr/bin/auto-update.sh echo '/usr/bin/aptitude update >> /var/log/auto-update.log' | sudo tee -a /usr/bin/auto-update.sh echo '/usr/bin/aptitude -y safe-upgrade >> /var/log/auto-update.log' | sudo tee -a /usr/bin/auto-update.sh echo 'exit' | sudo tee -a /usr/bin/auto-update.sh # Creating a cron job for root user (it will run /usr/bin/auto-update.sh every day at 14:30) echo '30 14 * * * /usr/bin/auto-update.sh > /dev/null' > cron_file.txt && sudo crontab -u root cron_file.txt && rm -f cron_file.txt |
Note that there are some dangers regarding automatic updates. You can read more about it here.
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