How to flush the DNS cache in Windows and Linux

Case



You need to flush the DNS resolver service cache in your local operating system.





Solution



Follow instructions from the following KB (instructions for both Windows and Linux are provided): https://stefanos.cloud/kb/error-cannot-resolve-the-ssl-host-name-ssl-error-40-in-citrix-virtual-apps-and-desktops/




https://stefanos.cloud/kb/how-to-flush-the-dns-cache-in-windows-and-linux/

Comments

Post a Comment

Popular posts from this blog

How to resolve Group Policy error codes 8007071a and 800706ba

Image
Case You are running "Group Policy Update" on an OU inside the Group Policy Management Console in Active Directory but you are receiving RPC errors from your servers or domain-joined workstations, as shown in the example below. After a Group Policy Update, you come across Group Policy error codes 8007071a and 800706ba. This means that the local Windows Firewall is not configured properly to allow Group Policy (GPO) traffic. GPO traffic an be either remote GPO update or remote GP Resultant Set of Policy (RSOP) operations. Solution Option 1 Run gpedit.msc and create a new local group policy object which implements the following policies under Local Computer Policy --> Computer Configuration --> Windows Settings --> Security Settings --> Windows Defender Firewall --> Inbound Rules : The full configuration is shown below. After the above local group policies are configured on each domain server and workstation, you can start applying group policy objects to the dom...
Read more

How to troubleshoot Acronis Cyber Protect issues

Image
Case You are running a backup or restore operation in Acronis Cyber Backup or Acronis Cyber Protect and you encounter an error message, which causes the backup or restore operation to fail. You may also run into Acronis errors or warnings while installing, uninstalling or upgrading an Acronis Cyber Protect management server. This article provides general guidance on how to troubleshoot Acronis Cyber Protect issues. Solution A few general steps you can take before collecting system information and contacting the Acronis Technical Support team are the following . - Run the Acronis connection verification command line tool to ensure that your on-premises installation has full connectivity to the Acronis Cloud. You can find details about installing and using the tool at https://kb.acronis.com/content/47678 . The tool does not work for accounts with 2-factor authentication enabled; please temporary disable 2FA. Check the report of the tool and see whether all hosts were successfully accesse...
Read more

How to minimize your Azure cloud costs

Image
Case You need to perform an assessment of your overall Azure spend and minimize costs. Solution There are various ways to minimize your Azure cloud costs, as outlined in the list below. - First off, you need to carry out a business and technical assessment throughout your organization and understand your workflows and workloads and how these workloads are or can be served by Azure resources. Use Microsoft Assessments free tools to help you on this path. - Run Azure Total Cost of Ownership (TCO) calculator to have better understanding of your on-premises components and generate an insightful report comparing your on-premises costs vs equivalent Azure resource costs. - For SQL Server workload migrations, run the Azure online wizard for choosing the proper SQL implementation option on Azure (IaaS vs PaaS) . Consult the following page for a comparison matrix of SQL-based service options in Azure . - Use Azure Migrate to analyze your environment and get intelligent recommendations for yo...
Read more