Linux Tutorial

How To Check PHP Version And PHP Install Path On Linux And Windows

After you install PHP or LAMP on a Linux server ( or XAMP on a Windows Server ), if you want to run command php in a terminal to execute a .php script file, you should first find the PHP install path and add the php executable file path in system environment variable PATH‘s value. …

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How To Change Ubuntu Administrator And Root User Password

There are two important user account in ubuntu linux, one is administrator the other is root. We usually use administrator user account to remote login to ubuntu linux server ( $ ssh [email protected] ) then change to root user account to do root user tasks. But if your ubuntu linux server is created by a …

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How To Check CPU Usage And Server Load In WHM To Fix Website Performance Issue

My website host provider use WHM ( Web Host Manager ) to manage multiple websites that is CPanel based. WHM is a very good tool to monitor website performance, you can use it to check cpu , ram and diskspace usage percentage, it can also monitor and manage server processes. It is a all-in-one platform …

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How To Fix Another App Is Currently Holding The Yum Lock Waiting For It To Exit Error

When i install tigervnc server in CentOS with yum command # yum install tigervnc tigervnc-server -y, i meet below error messages. Loaded plugins: fastestmirror, langpacks Existing lock /var/run/yum.pid: another copy is running as pid 3339. Another app is currently holding the yum lock; waiting for it to exit… The other application is: PackageKit Memory : …

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