Beware of “Verify Your TM Account” Email Phishing Scam

May 17th, 2012 by Youzhny 
MALAYSIA – This is a public service announcement. I received an email from Telekom Malaysia Berhad (TM) asking help to spread the word about a recent email phishing scam that asks TM customers for their user account information. The email claims to be from TM with subject titles such as “Verify Your TM Account” and threaten to shut down the user’s account if their account details are not “verified”. TM...

Coding the Digg v4 Layout with HTML5 and CSS3

May 17th, 2012 by Youzhny 
The social news community Digg has been online since 2004 and rapidly grew in popularity leading up to the 2008 elections. Come 2011 the Digg team performed an overhaul on the system and completely revamped the site layout. This also broke the friends system, allowing big-name publishers to game the front page. This upset many powerhouse users who were furious with the major changes. (more…)

How to split Varnish log for Virtual host

May 17th, 2012 by Youzhny 
Varnish is a great tool that accelerates the performance of your site with a simple configuration and a low usage of resources, compared to the result you’ll get. Just because Varnish is designed and engineered to be fast by default it does not write any log to disk, outrageous you could think … to be honest the logs are available in a memory segment when this memory is filled, Varnish starts...

CentOS / Redhat: Setup NFS v4.0 File Server

April 3rd, 2012 by Youzhny 
How do I setup NFS v4.0 distributed file system access server under CentOS / RHEL v5.x for sharing files with UNIX and Linux workstations? How to export a directory with NFSv4? How to mount a directory with NFSv4? (more…)

device eth1 does not seem to be present, delaying initialization

April 3rd, 2012 by Youzhny 
  So here I am, looking at two identical machines with identical OS installation and configuration etc., all appearing fine with other installations/configurations I’m working on, when I ended up doing a network device check running ifconfig and then wondering, why does machine-A have eth0 and eth1, but machine-B is missing eth-1? (more…)

MySql – Create read-only user

March 21st, 2012 by Youzhny 
  Most useful for second or third level support people where people have skills to check db directly but in case you do not want them to make changes, Read only user can be created for them in Mysql DB. (more…)

Monitoring Windows Server 2008 R2 with SNMP

March 14th, 2012 by Youzhny 
So you have a new Windows Server 2008 R2 installed and now you’d like to start gathering statistics about how it’s performing. The SNMP protocol is a great way to get started. In this tutorial I will install the SNMP agent service on a Windows server and configure it to allow queries from a SNMP based management server. On the management server I will use a tool named Cacti that can collect this...

Installing ClamAV on CentOS

March 12th, 2012 by Youzhny 
  Installing Clamav antivirus software on your linux centos server is quite easy. The best way to do this is using yum to look for the ClamAV packages in Dag’s repositories. (more…)

Common Useful MySQL Commands

March 8th, 2012 by Youzhny 
  Basic description of what will be done and what is expected. (more…)

Sendmail smtp relay gmail google apps

February 15th, 2012 by Youzhny 
Configure sendmail to use gmail/google apps as the external smtp server and have it authenticate properly. (more…)

Locale in CentOS

January 31st, 2012 by Youzhny 
To compile a locale in CentOS, do something like this: root# localedef -c -f UTF-8 -i en_US en_US.utf8 To see all locales available, do this: (more…)

Change Timezone on CentOS

January 31st, 2012 by Youzhny 
Check the current timezone (more…)