Increase the log level for some events (based on a wildcard search) for a specific component using the Siebel CLI

  1. Firstly, list them: “list evtloglvl %keyword% for comp component_name
  2. Finally, change the log level “change evtloglvl %keyword%=log_level for comp component_name
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How to edit the Grub2 bootloader entries (used for some new linux distros, e.g. Ubuntu Karmic)

I used to edit the “/boot/grub/menu.lst”, that’s not the case in grub2:

  1. Firstly, you should edit the “/etc/default/grub”
  2. Next, run the “update-grub” command, that’s it 🙂
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How to change the default CPU governer (CPU Frequency) in Ubuntu Karmic (might work for other versions as well)

The problem is that no matter what, when I change the CPU governer using the “CPU Frequency Scaling” gnome applet in my Ubuntu Karmic, it always defaults to “ondemand”, I searched in some forums and finally developed a nice and easy way:

  1. Set the frequency you need via the CPU Frequency Scaling applet (per CPU core)
  2. Rename or remove the “/etc/init.d/ondemand” file, I prefer you rename it, much safer I guess :), i.e. “sudo mv /etc/init.d/ondemand /etc/init.d/ondemand.bak”
  3. Reboot and see it working yourself 🙂
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How to change the gnome default keyring password in Ubuntu Karmic (may apply to other versions as well)

After I initially set it, I needed to change it so that it matches my login password:

  1. Open a terminal
  2. type “seahorse”
  3. Right-click on “Passwords: login” and click “change password”
  4. Type your old password and then your new one.
  5. Done!

 enjoy 🙂

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How to raise the log level for all events for a Siebel component from the Siebel CLI

“change evtloglvl %= log_level for comp component_name

Thanks go to Osama Magdy for the info 🙂

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