Computer Tips

By default rrdtool is not included in CentOS. You may need to install it for monitoring purpose. You can either use source to compile or install using rpm. But as I know CentOS 5 does not come with a repository that holds valid redhat style rpm’s for rrdtool. RRDTOOL is required by many network utilities, [...]

With the advantage of a user’s computer when browsing, this virus has infected at more than 4 million computers in 11 countries. DNSChanger virus spread quickly to millions of computers with internet use. DNSChanger so that we can be categorized as one of the dangerous virus. “Spread the largest in the United States, that in [...]

Sometimes, someone like to asking how do I check used and free RAM memory usage under Linux operating systems using command line. Linux comes with different set of commands to check memory usage. The free command displays the total amount of free and used physical and swap memory in the system, as well as the [...]

Operating System Windows 7, could be said most have a place in society because in addition to looking good in appearance, is also more secure online protection. But did you know that we are windows 7 can also get around to make it look faster, especially perfomancenya on your PC / laptop us. Of course [...]

Sometimes you want to Remove/Uninstall unwanted programs from your Ubuntu system. It is possible you do to save hard drive capacity or because you do not want the software anymore. In fact, the process of removing application on Ubuntu is not the same as in the Windows System. In Ubuntu you will have to use [...]

Passwords are secret codes that we should keep the security and confidentiality. Because so many negative things that can happen when we have the password was leaked into the hands of others. And usually it happens because of our own mistakes, such as fear of forgetting the password, so we wrote it somewhere or possibly [...]