Fix Class ZipArchive not found error [PHP 7]
Question: I am stuck with an error “PHP Fatal error: Uncaught Error Class ZipArchive not found” in one of the...
Linux
How to stop Windows10 VM on OpenStack from automatically restarting!
I’m experiencing a Windows10 VM on OpenStack that automatically restarts on successful autologon. Struggling with this for a while and...Increase virtual disk size of Windows10 VM on QEMU-KVM
Recently I created a windows image using QEMU-KVM and ported it onto OpenStack for one of my clients. While creating...Why Windows10 VM is slow on OpenStack?
Before we proceed, please read Why does Windows 10 VM show 100% CPU utilization always on QEMU-KVM? The same issue holds...Why does Windows 10 VM shows 100% CPU utilization always on QEMU-KVM?
You might have read my article on How to Create Windows image for OpenStack and its related articles such as...Configure Apache for WebSockets using Reverse Proxy
I used WebSockify in my web application to connect to the VNC server using noVNC to enable remote access to...SELinux: Cannot write into “Config” directory! [OwnCloud]
I installed owncloud with all the necessary pre-requisites and when tried to access over the browser encountered error: Cannot write...How to start GUI on Ubuntu Linux Machine
Earlier I had written an article on How to start GUI on CentOS 8. After this article was read by...How to start GUI on CentOS/AlmaLinux/Rocky Linux 8
Typically Linux servers don’t provide Graphical User Interface (GUI) as it adds up in RAM & CPU usage. Administrators prefer...Find which package the command belongs to in CentOS
Question: I generally use rpm -qa | grep command to find which package the command belongs to. However, the grepped...How to fix Unable to find a match: policycoreutils-python on RHEL/CentOS 8
While I was trying to install GitLab on CentOS 8, encountered the below error: Unable to find a match: policycoreutils-python....System-wide Crypto Policies in CentOS 8 [Explained]
Can we assume that people who set up systems or software are experts in their field and they do understand...How to fix Windows could not parse or process the unattend answer file for Pass Specialize
After successfully creating Windows Image for OpenStack, uploaded the Windows 10 QCOW2 image on my OpenStack setup and created an...How to Create Windows image for OpenStack
I was assigned a task to create Windows image for OpenStack unlike most Linux distros, it is not possible to...Virtual Machines menu missing in Cockpit Interface? [Fix]
Virtual Machines menu missing in the Cockpit interface? This article will help you to fix the issue. Recently, I started...How to Install KVM on CentOS 8 Linux
This tutorial is a step-by-step guide to install KVM on CentOS 8 / CentOS 7 Linux. KVM (Kernel-based Virtual Machine)...Disable Weak Key Exchange Algorithm, CBC Mode in SSH
Nessus vulnerability scanner reported – SSH Weak Key Exchange Algorithms Enabled and SSH Server CBC Mode Ciphers Enabled. The detailed...Install Certbot Apache plugin in CentOS Stream 8
Question: I had followed your guide to install Certbot in CentOS Stream 8. However, the certbot --apache command fails with...Migrate CentOS 8 to Rocky Linux
Earlier I had written about CentOS 8 error: Failed to download metadata for repo “AppStream” and followed by converting CentOS...How to install Ansible on CentOS 8 Linux
Ansible is an open-source IT automation tool used to automate configuration management, provisioning, application deployment, orchestration, and many other IT...