Virtual Private Network (VPN) Tools
Virtual Private Network (VPN) tools are software applications or services that provide secure and private network connections over public networks, such as the Internet. They create an encrypted tunnel between…
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Working with multiple virtual Kubernetes clusters aka Namespaces
Kubernetes supports multiple virtual clusters backed by the same physical cluster. These virtual clusters are called namespaces. Namespaces ca be used in multiple environment with many users spread across multiple…
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Elastic Search Error – max virtual memory areas vm.max_map_count [65530] is too low, increase to at least [262144]
Errors [2]: max virtual memory areas vm.max_map_count [65530] is too low, increase to at least [262144] Solution To make it persistent, you can add this line: $ sudo vi /etc/sysctl.conf…
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