Resolved – PUTTY key format too low

Use PUTTYGen to convert ppk version 3 to version 2 to use in older version of PUTTY or WinSCP

Redirect permanently 301 response

Use HTTP::respond instead of HTTP:redirect to redirect to 301 (Permanent Redirect) with a suitable status code and Location header

[Solved] – Elasticsearch error- circuit_breaking_exception

Elasticsearch error circuit_breaking_exception can be solved by jvm.options found in /etc/elasticsearch path

Exchange Online Global Address List (GAL)

List of PowerShell commands to create and manage Exchange Online Global Address List.

Troubleshoot Zabbix Agent

zabbix_get is a command line utility for getting data from Zabbix agent and troubleshoot agent communication with Zabbix server.

apt-get update failed because certificate verification

Ubuntu apt-get update shows Certificate verification failed: The certificate is NOT trusted. The certificate chain uses expired certificate. Could not handshake:
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