Thursday, August 13, 2009

Reboot and Shutdown Linux | Ubuntu Howto

Tech Blog - Here is a quick howto on rebooting and shutting down Linux systems using the command line.

To properly reboot system immediately, to add a grace period replace "now" with +(number of minutes)
$ shutdown -r now

To reboot a system immediately and do filesystem (fsck) check during bootup
$ shutdown -rF now

To shutdown and halt the system immediately
$ shutdown -h now

To shutdown and halt the system immediately answer yes to all the prompts
$ shutdown -y -h now

Of course if all else fail you can try the following
$ init 6
$ reboot
$ halt

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Wednesday, August 12, 2009

IPREDator! - Ready For Beta Testing!

Tech Blog - IPREDator is a new Internet anonymity VPN service for a small monthly fee, I have just received my BETA invitation and have signed up, the cost of using the service is about $20 to $22 for 3 months which is pretty reasonable for your privacy, check out pics and link for more information below.



According to IPREDator
  • IPREDator does not store any personal details about its clients.
  • IPREDator does not store any traffic habits you might have.
  • IPREDator is the key to a free internet in the renaissance of censorship!
You can get more information about IPREDator here,














This post is related to IPREDator Stay Anonymous Online

Tuesday, August 11, 2009

Diagnose Driver Problem on Windows Vista Howto

Tech Blog - If you encountering blue screen of death(BSOD) after installation of new hardware, have been experiensing BSOD, and you suspect that it is a driver problem you probably know how time consumming it is to determine which driver is causing the problem and what is the issue and the solution for it, good thing with Windows Vista Microfot has included a tool for verifying and diagnosing drivers installed on your computers, now let got to the howto.

To get to the Verifier screen, click start > run > type verifier.exe a window like the one below should come up

Select Create Standard Settings then click next















Then Automatically select unsigned drivers as most driver problem are caused by unsigned drivers.
















Verifier should give you a list and you can try uninstalling it and see if the problems goes away if not, you could try going to the verifier again then select Automatically Select Drivers Built for Older Versions of Windows as you might have installed an incompatible driver.

















Hope this helps!

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Saturday, August 08, 2009

XSCF Command - Console Howto

Tech Blog - Here is my simple quick and dirty guide on navigating through XSCF shell on your console, we don't often navigate through the console so it thought its a good idea to keep notes about it :) this is quick guide on some basic stuff like check hardware compnent, check domain status, power up and down as well as reset of the domain.

To Connect to a domain
XSCF> console -d domainhere

To Show status of a domain
XSCF> showdomainstatus -d domainhere

To displays the domain information specified for a system board.
XSCF> showdevices

To displays the temperature, humidity, voltage, and fan rotation speed.
XSCF> showenvironment

To lists degraded components.
XSCF> showstatus

To displays users who login to the XSCF.
XSCF> who

To reset domain there are 3 modes for reset command
  • por: Domain system reset
  • request: Domain panic instruction
  • xir: Domain CPU reset
XSCF> reset -d domainhere por

To power on/off all domain or sepcified domain
XSCF> poweron
XSCF> poweroff

Remember you can always use --help on every command to see what are teh available switched and options for it.

To logout of XSCF> type exit
To return to XSCF from a domain terminal type #.

Hope this help.

More command from Sun:
http://docs.sun.com/source/819-6202-15/21ch5p.html#50643019_96753

Saturday, August 01, 2009

Check Veritas Licenses - Howto

Tech Blog - Here is a quick howto on checking Veritas Licenses their features and validity.

To check Veritas License validity do:

$ vxliccheck -pv

vrts:vxliccheck: INFO: License 98 valid
vrts:vxliccheck: INFO: License 100 valid
vrts:vxliccheck: INFO: License 95 valid
vrts:vxliccheck: INFO: License 96 valid

To check Veritas license feature and details

$ vxlicense -p

vrts:vxlicense: INFO: Feature name: PHOTON [98]
vrts:vxlicense: INFO: Number of licenses: 99
vrts:vxlicense: INFO: Expiration date: No expiration date
vrts:vxlicense: INFO: Release Level: 20
vrts:vxlicense: INFO: Machine Class: xxxxxxx


vrts:vxlicense: INFO: Feature name: DATABASE_EDITION [100]
vrts:vxlicense: INFO: Number of licenses: 1 (non-floating)
vrts:vxlicense: INFO: Expiration date: No expiration date
vrts:vxlicense: INFO: Release Level: 99
vrts:vxlicense: INFO: Machine Class: xxxxxxxx


For older Veritas version you use

$ vxlicrep

VERITAS License Manager vxlicrep utility version 3.02.005
Copyright (C) 1996-2004 VERITAS Software Corp. All Rights reserved.

Creating a report on all VERITAS products installed on this system

-----------------***********************-----------------

License Key = I8CE-OIO8-N2TW-2M7H-3AO4-HV6P-AILX-P
Product Name = VERITAS Storage Foundation Enterprise
Key = Invalid, Key EXPIRED -1476 days ago

License Type = DEMO
OEM ID = 4095
Demo End Date = Wed Jul 20 00:00:00 2005
(expired -1476.3 days ago).
Editions Product = YES


To create Veritas License key file

$ vxlicense -c

Veritas License file are located in

/etc/vx/elm

Hope this quick howto helps.


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