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Fix Cloudflare error 526 Invalid SSL certificate

When a server's SSL/TLS certificate cannot be validated by Cloudflare Service then an SSL issue known as "error 526" occurs.


Fix SQL server error 772

SQL server error 772 occurs when an outdated version of ODBC drivers is used and in other cases the client might be using Forced protocol Encryption.


Method to change Vestacp admin password and fix vestacp errors

Changing VestaCP admin password could results in some errors due to bugs in the server environment. When an important Directory or missing file situation occurs, such errors tend to disrupt access to the Admin panel


Method to upgrade MySQL in VestaCP

It is very important to upgrade your OS MySQL database to the latest version so as to keep the system more secured and to enjoy the latest features.


Setup openvas on linux Debian and Ubuntu

OpenVAS software framework is a great security tool checking if the system is vulnerable by means of scanning and Management. It helps to safeguard the server from unauthorized access.


To Install OpenVAS on Ubuntu:

By default, the OpenVAS package is not available in the Ubuntu 16.04 repository, so you will need to add OpenVAS PPA to your system's repository list.

1. Add the OpenVAS PPA.

$ sudo add-apt-repository ppa:mrazavi/openvas

2. Update the repository.

$ sudo apt-get update

3. Finally, install OpenVAS.

$ sudo apt-get install openvas

4. Once OpenVAS has finished installing, start the OpenVAS service with the following commands:

$ sudo systemctl start openvas-scanner

$ sudo systemctl start openvas-manager

$ sudo systemctl start openvas-gsa


Fix Cloudflare error 1018

Cloudflare error 1018 is a common Cloudflare error which affects a domain whose DNS is hosted on the Cloudflare network in the case when cloudflare cannot resolve to the domain when trying to access it on a browser.


To resolve Cloudflare error 1016:

1. Verify your Cloudflare DNS settings include an A record that points to a valid IP address that resolves via a DNS lookup tool.

2. For a CNAME record pointing to a different domain, ensure that the target domain resolves via a DNS lookup tool.


Generally, to fix Cloudflare errors:

1. Contact your site administrator or hosting provider to eliminate these common causes.

2. Ensure your origin web server is responsive.

3. Review origin web server error logs to identify web server application crashes or outages.

4. Confirm Cloudflare IP addresses are not blocked or rate limited.