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.

How to set up Gitlab Backups within Amazon S3 Bucket Date: 30-08-2021 Step 1: Log in to the GitLab server via SSH as root. Step 2: Use the following command to create the backup if you’ve installed GitLab with the Omnibus package.# gitlab-rake gitlab:backup:create Step 3: This backup creates an… Continue Reading How to set up Gitlab Backups within Amazon S3 Bucket

If you face the above error in any of your RDS replicas, please follow the below steps. When you face this issue you will also see the lag between your master and replica. The status of the “Replication state” will be in “error” state. Check the status of the slave… Continue Reading Read Replica Replication Error – SQLError

Error lfd will not run with TESTING enabled in /etc/csf/csf.conf, at line 83 Date: 24-08-2021 Step 1: Log in to the server via SSH as root. Step 2: Edit csf firewall configuration file /etc/csf/csf.conf by using vi editor. You need to change the line TESTING = “1” to TESTING =… Continue Reading Error lfd will not run with TESTING enabled in /etc/csf/csf.conf, at line 83

How to set up cPanel user as the root user to access all Linux commands Date: 14-08-2021 Step 1: You need to add the cPanel user in the wheel group. Login to WHM and type Wheel Group Users in the search box. You can see Manage Wheel Group Users under… Continue Reading How to set up cPanel user as the root user to access all Linux commands

Please follow the below steps when you get the above error. I got this error in KAFKA and everytime its getting down due to this. In Kafka, every topic is (optionally) split into many partitions. For each partition some files are maintained by brokers (for index and actual data). kafka-topics… Continue Reading ERROR Error while accepting connection (kafka.network.Acceptor) java.io.IOException: Too many open files

Please follow the below steps to upgrade the Redis node type Login to AWS In the searchbar type “Redis” or “Elastic cache” Select your Clustername You can see “Actions” above. Click on that. Click “Modify” “Modify cluster” dialog box will appear. Select the node type you want to upgrade. ex:-… Continue Reading Upgrade Redis Node type

How to setup SSL Certificate in Nginx on Ubuntu 20.04 Date: 24-07-2021 Step 1: Once your certificate request is approved, you can download your SSL and intermediate certificates. Step 2: Login to your server via SSH. Step 3: Create a directory like below and upload the downloaded the private key,… Continue Reading How to setup SSL Certificate in Nginx on Ubuntu 20.04

This can happen for a variety of reasons. Please troubleshoot the issue by following the steps below one by one. 1) Verify the address mysql is bound to, it’s probably 127.0.0.1 (only) which I believe is the default (at least on standard Ubuntu server). You’ll have to comment out the… Continue Reading [ERROR][logstash.inputs.jdbc Unable to connect to database. Tried 1 times {:error_message=>”Java::ComMysqlJdbcExceptionsJdbc4::CommunicationsException: Communications link failure\n\nThe last packet successfully received from the server was 1 milliseconds ago. The last packet sent successfully to the server was 1 milliseconds ago.”}