Linux Tutorial

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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How To Resolve VirtualBox Guest Additions: Kernel Headers Not Found For Target Kernel Error

In this example, I install a CentOS in a VirtualBox virtual machine. Then I click the virtual machine to focus it, and then I click Devices —> Insert Guest Additions CD image… menu item in the virtual machine top menu bar to install additions image like below picture. But during the installation process, I meet …

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How To Use Nginx Redirect Function To Decorate V2ray Request As Https Request

In the previous article How To Install BT VPS Control Panel And Restore WordPress Website Into It, I had done the following things. Install BT(宝塔) VPS control panel in a Linux VPS. Install Nginx server in the above Linux VPS server. Create a website in the Nginx server. Register a domain point to the website. …

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