Class DOM Document not found
Resolution of the "Class DOMDocument not found" error observed on a WordPress based website, after configuring the W3 Total Cache plugin.
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October 24, 2024
Where are the C Language system header files stored in Linux?
The system header files are located in multiple directories. The location of C language system header files for #includes is explained.
August 2, 2024
How to turn off the dark mode in Chrome on Ubuntu Linux desktop
A solution for turning off the dark mode in the Chrome browser in Ubuntu Linux desktop is given, useful when text not easily visible.
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December 20, 2023
vi not showing color syntax highlighting in Ubuntu Linux
Resolution of the problem of vi editor not showing color syntax highlighting in the edit window in Ubuntu Linux.
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October 27, 2022
Using sha256sum command for ensuring file integrity
sha256sum command generates and checks the SHA256 checksum for files. How to use sha256sum command for SHA256 is explained with an example.
May 13, 2022
VirtualBox – Not able to access guest from the host OS
Solution to the problem of not being able to access the guest OS from the host in VirtualBox is given with steps.
February 19, 2022
VirtualBox – unable to mount Guest Additions ISO file in virtual machine
Solution to the problen of not able to mount VirtualBox Guest Additions CD image and installation of Guest Additions.
February 9, 2022
VirtualBox – vboxdrv kernel module is not loaded
Resoution of the problem of "vboxdrv kernel module is not loaded" during the first time running of VirtualBox after installation.
February 6, 2022
VirtualBox – No Bootable medium found. System halted.
Resolution of the error observed while running VirtualBox the first time, "No Bootable medium found. System halted".
February 5, 2022
Simple Screen Recorder records only a black screen
Solution to the problem of the Simple Scfreen Recorder program recoring only a black screen under Ubuntu Linux.
July 2, 2021