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Archives for: April 2011

28/04/11

Permalink 09:37:39 am, Categories: General IT articles  

How to restart Mac OS X Desktop

Mac OS X Desktop can ‘freeze’. You can still move your mouse but you won’t be able to close/start anything. But the system is still running. I find Mac OS X is a solid system.

If you have something running in the background (like mysql/apache), you don’t want to restart the whole machine. To restart the desktop,

1. go to another machine, start a SSH terminal (such as putty on a windows box). SSh into mac os x.
If your mac is not configured to allow SSH, you have no option but to restart the machine, configure it in the System Preferences button and wait for the next.

2. ps -ef|grep Graphics

3. Find the following:
88 83 1 0 12:25.22 ?? 27:22.37 /System/Library/Frameworks/ApplicationServices.framework/Frameworks/CoreGraphics.framework/Resources/WindowServer -daemon

4. then HUP the found process:
sudo kill -HUP 83

83 is the process id. 88 is the userid so don’t be fool if you come from the Linux environment.

That’s the benefit to have a Unix OS!!!

This will restart the GUI, logging you out, but at least you won’t have to reboot the whole machine.


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27/04/11

Permalink 10:10:38 am, Categories: General IT articles  

how to stop Windows 7 restart after automatic update

Most of the Windows 7 box is configured to do automatic update during mid-night and it will restart your machine.

You may leave your windows 7 running because it is providing services. It might have several VMware guests running on top. A brutal restart by Windows 7 can be horrible.

1 Click the Start menu and type
gpedit.msc
in the search line and press the enter key. This will launch the Local Group Policy Editor.

2

On the left side of Local Group Policy Editor, expand to Computer Configuration > Administrative Templates > Windows Components. Then scroll down and select Windows Update.

3

Double click “No auto-restart with logged on users for scheduled automatic updates installations” option. In the properties window that appears, change the option from “Not Configured” to “Enabled". Click “OK” and close Local Group Policy Editor. Windows will no longer prompt you to restart after automatically installing updates.


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25/04/11

Permalink 06:52:44 pm, Categories: General IT articles  

install pdflib on cpanel server

If you install directly from within WHM, you will have errors, either

Code:

configure: error: pdflib.h not found!

or

Code:

PDFlib extension requires at least pdflib 4.0.x.
See config.log for more information.

That’s because you haven’t got pdflib-lite installed yet.

If you have a rpm based Linux system, you can download pdflib-lite here
http://pkgs.org/download/centos-5-rhel-5/remi-x86_64/pdflib-lite-7.0.5-1.el5.remi.x86_64.rpm.html

and you also need pdflib-lite-devel

To compile the code, you of course need automake, c etc..

Next download pdflib

Code:

After you got it, run the following

Code:

tar -xvzf pdflib-2.1.8.tgz
cd pdflib-2.1.8
phpize
./configure
./make
./make install

If you don’t have phpize (you would have phpize command not found error), you need to install php-devel package

finally, open /usr/local/lib/php.ini and add one line

Code:

extension=pdf.so

If you have a plain Centos server, you need to create a new file at /etc/php.d/pdf.ini

and add a single line

Code:

extension=pdf.so

Don’t forge to restart httpd

in cpanel, run

/scripts/restartsrv_httpd

In plain Centos, run
/sbin/service restart httpd

To test it, create a file called test.php and input one line

PHP:

<?php
phpinfo();

now run this test.php in your browser, you should see the pdflib exntension


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