[Linux]: How to Change Hostname on CentOS/RHEL – 7/8 My system administrator installed minimal CentOS server and forgotten to setup the hostname. Now it has localhost.localadmin. How would I...
How to automatically extend windows virtual disk size [Openstack] Thanks to this article – how to create a Windows Image for OpenStack Glance repository. After uploading the image, I...
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...
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....
[OpenStack noVNC]: Code 400, message Client must support ‘binary’ or ‘base64’ protocol [Solved] As part of OpenStack Yoga release, installed and configured noVNC – a VNC client library based on JavaScript. Essentially, noVNC...
[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...
[OpenStack Glance]: Failed to contact the endpoint at https://localhost:9292 for discovery. After the successful installation of OpenStack Glance, connecting to the Glance API (on port 9292) fails with an error message...
[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:...
[OpenStack]: Yum RabbitMQ installation error on CentOS Stream 8 While installing the OpenStack Yoga release, after the yum repository setup from the server-world guide, RabbitMQ server installation error showed...
Unable to add bank account to GPay? [Fix] is here Registering a bank account in GPay fails with an error message – ‘Couldn’t register: Bank account couldn’t be added –...
[Firefox]: Error code: SSL ERROR HANDSHAKE UNEXPECTED ALERT In recent times, on Firefox v102.3.0esr (64-bit) encountered trouble in viewing GMAIL and few other SSL enabled websites with the...
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...
Dynamically increase font size of CodeMirror editor texts Question: I have been using the CodeMirror editor for one of my projects to allow users to write Python code....
preventDefault() not working on keyup event [jQuery] I have developed an application that uses CodeMirror editor which by default creates a new line upon hitting the Enter...