No such file or directory c++ Error [CentOS]
While installing pip packages through the requirements file on the minimal CentOS Stream 8 server with python v3.7, encountered the...
Linux
How to configure Open vSwitch bridge for OpenStack
Followed the guide from server-world for installing the OpenStack Train version on the CentOS server. Configuring neutron services requires physical...Too many connections for neutron-db-manage [MySQL]
While finalizing the installation of neutron on controller node, the operation to populate the database failed with Too many connections...How to manually install higher version of PIP for Python v2.7
On my CentOS 7 minimal server installation, I installed python-pip using YUM. However, the version it has installed is 8.1.2...[CentOS 7]: Yum install python-pip | No package python-pip available
I am trying to install python-pip on CentOS 7 minimal server. However, I got the error No package python-pip available....[CentOS Stream 8]: Error: Unknown repo epel [Solved]
I was given a task to install OpenStack Yoga release on CentOS Stream 8 Server (minimal Server). I followed the...[CentOS Stream 8]: Unknown repo crb : [Solved]
While executing the below command, encountered the error “Unknown repo crb“. # dnf --enablerepo=centos-openstack-yoga,epel,crb -y install openstack-glance Error: Unknown repo:...Failed building wheel for qiskit-terra : Error [Fix]
Question: While installing Qiskit packages on CentOS 7, I ended up with an error: Failed building wheel for qiskit-terra. There...Play & Learn Quantum Computing using Qiskit Blocks
Quantum Computing is a rapidly emerging technology that relies on the laws of quantum mechanics to solve problems that are...The GPG keys listed for the “MySQL 8.0 Community Server” repository are already installed [Fix]
Well, I got this error message “The GPG keys listed for the MySQL 8.0 Community Server repository are already installed but...Yum Error: Unable to find a match: python-pip [Fix]
Question: This is Yashikha again and thanks for helping me out with the previous issue. Now I am stuck with...cURL Error: SSL certificate problem CA certificate key too weak
Question: Hi, I was trying to install python-pip via yum. However, the command ended up with a ‘CURL error: SSL...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...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...