apt-get update failed because certificate verification

Comments Off on apt-get update failed because certificate verification
Ubuntu apt-get update shows Certificate verification failed: The certificate is NOT trusted. The certificate chain uses expired certificate. Could not handshake:
timedatectl

Update Date, Time, Timezone on Ubuntu

Comments Off on Update Date, Time, Timezone on Ubuntu
Use timedatectl command to view and change time, date and timezone in Ubuntu
Ubuntu Disk Space fdisk and df

Expand Ubuntu disk after adding additional disk space in Hyper-V

Comments Off on Expand Ubuntu disk after adding additional disk space in Hyper-V
Quick and easy steps to expand Ubuntu disk space

Install MongoDB Community Edition

Comments Off on Install MongoDB Community Edition
5 Steps to install MongoDB in Ubuntu

Fix print_req_error: I/O error, dev fd0, sector 0

Comments Off on Fix print_req_error: I/O error, dev fd0, sector 0
In fresh Ubuntu installation, fix print_req_error: I/O error, dev fd0, sector 0
Ubuntu IP Address Configuration

Ubuntu installation loop after mentioning static IP address

Comments Off on Ubuntu installation loop after mentioning static IP address
Ubuntu installation process is continuously returning back to the beginning when you setup static IP address in the network configuration. In order to overcome this…
Ubuntu Orange Screen - VM Display Memory

Fix orange state of Ubuntu virtual machine in VirtualBox

Comments Off on Fix orange state of Ubuntu virtual machine in VirtualBox
When you experience problem with Ubuntu virtual machine stuck on Orange screen without desktop access, you can overcome it by increasing video memory of VM.

Disable Secure Boot in Ubuntu

Disable Secure Boot in Ubuntu Virtual Machines without rebuilding entire server.

Create permission in local XAMPP server in Ubuntu

Comments Off on Create permission in local XAMPP server in Ubuntu
Follow this single step to assign write permissions in XAMPP htdocs folder in Ubuntu in order to access your hosted web application without permission issues.
Menu Title