How to Resolved -bash: crontab: command not found error
Symptoms: When i try to crontab command on my CentOS 5 server, it will return this error message: [root@server ~]# crontab -l -bash: crontab: command not found or [root@server ~]#…
Problem : Unable to read CDs or DVDs and DVD/CD-ROM drive also did not show up on My Computer. Troubleshooting: -Right Click on Device Manager -Select DVD/CD-ROM drives -Select the…
How to Fix “You could try using –skip-broken to work around the problem” Error
Question : When I issue the command yum on CentOS server / RHEL , the message below appears and I can not continue with the next installation steps : You…
How to Fix “Failed to Install VMware Tools” Error
Question : I am trying to install VMware tools on CentOS and RHEL but failed and return below error: Searching for a valid kernel header path… The path “” is…
How to Clear The Dns Cache in Microsoft Windows
There is easy way to flush the DNS resolver cache in Microsoft windows. This command will completely flush the DNS, deleting any incorrect entries. This may useful in the troubleshooting…
How to Enable PAE in x86 32-bit Windows Server 2003 and 2000 to Use More than 4GB RAM
In some scenario, you will need to upgrade the windows operating system RAM to more than 4GB. But, in normal circumstances, Windows 2000 (Datacenter Server or Advanced Server) or Windows…
Home page does not open in Internet Explorer 7
When you start Windows Internet Explorer 7, your home page does not open. Instead, a blank Web page is displayed. This problem typically occurs after you install Internet Explorer 7,…