September 2021Monthly Archives

When you get the above error, please follow the below steps. 1) Checked the file where the Javaheapmemory needs to be increased. Developers can help you on this. 2) After identifying the file, increase it accordingly. For example:- If the current value is 2048m then increase it to 4096m. Issue… Continue Reading java.lang.OutOfMemoryError: Java heap space

CHECK_NRPE: Error – Could not complete SSL handshake Date: 18-09-2021 When you add a server to Nagios monitoring server getting this error. You can follow the below steps. Step 1: Log in to the nrpe client-server via SSH.Step 2: Run the below command.# vim /etc/nagios/nrpe.cfgStep3: Add the Nagios server IP… Continue Reading CHECK_NRPE: Error – Could not complete SSL handshake

MySQL replication should work without problems even if the servers are restarted, databases created and removed, data flowing in and out. Sometimes, however, there are errors that are breaking the replication process. It is good to know once such situation appears. Please find the bash script below which gives the… Continue Reading MySQL replication status alerts with bash script

Inroder to avoid giving the PEM key to the user or employee and adding the user or employee key in the servers, Amazon introduced Amazon EC2 instance connect. Whenever employee leaves the company simply delete the IAM user, no need to go to each server, search for his or her… Continue Reading SSH access through IAM with EC2 instance connect.