Are there any known issues/compatibility concerns moving hosted domains, websites (mainly CMS systems Fatwire, Drupal, WordPress) from a Debian OS to either Redhat or Cent OS? This is due to changing data centre providers. 

Any known issues migrating from Debian to Red hat or CentOS (due to data centre move)?

Is there anyway we can get OS support deadline using API call. We have RHEL and windows OS VMs.

Is it possible to get OS Support deadline for RHEL and Windows OS using API call

Want to implement the prohibited password control in RHEL VMWare. I am able to add dictionary words checking in terms of password setting. But I want that there will be no change to give passwords that contain a specific word. For example: No user's password can be set where 'admin' word is present. Is there any solution how can it be implemented? 

Implement Prohibited password in Linux RHEL

Vivaldi is a freeware, cross-platform web browser developed by Vivaldi Technologies. It had grown from the downfall of Opera with many disgruntled when it changed from the Presto layout engine to a Chromium-based browser. This platform angered traditional Opera users. Since then, Vivaldi has become one of the most popular alternative Internet Browsers amongst the big three Chrome, Firefox, and Edge.

Vivaldi promotes itself as a leading browser with faster navigation, clever bookmarking, more intelligent browsing, extensive tab management, and a more visual approach.

In the following tutorial, you will learn how to install Vivaldi Browser on CentOS 9 Stream using the command line terminal and the option of Vivaldi stable or Vivaldi snapshot browser versions and how to maintain and remove in the future.

Situational – Remove DNF Subscription Manager

Install Vivaldi BrowserInstall Vivaldi Browser Stable
Optional – Install Vivaldi Snapshot (Nightly)


How to Remove (Uninstall) Vivaldi BrowserRemove Vivaldi Browser Stable
Remove Vivaldi Browser Snapshot


For users who encounter issues with "This system is not registered with an entitlement server. You can use subscription-manager to register," then use the following command to remove the subscription manager as it is unnecessary for CentOS stream to receive updates, unlike RHEL.

As mentioned above, all the subscription-based lockouts have been removed.

First, update your system to ensure all existing packages are up to date. This will ensure no conflicts arise as best as possible during the installation.

First, import the Vivaldi repository using the following command.

sudo dnf config-manager --add-repo https://repo.vivaldi.com/archive/vivaldi-fedora.repo

The repository states Fedora. However, this is a standard repo for all versions and works well for CentOS 9.

Now that you have imported the repository, you can install Vivaldi using the following.

Confirm the version and build of the Vivaldi Browser version installed on your operating system using the following command:

Optional – Install Vivaldi Snapshot (Nightly)

Run the following command for users or developers who want to test Vivaldi’s development version.

Note, stick with Stable for your daily browsing, do not use the development version for any serious browsing or transactions.

Alternatively, you can install both versions together using the following command.

sudo dnf install vivaldi-stable vivaldi-snapshot -y

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