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The version of SSM Agent on this instance doesn't support Run As

This article covers how to resolve the AWS error "The version of SSM Agent on this instance doesn't support Run As". In fact, the error 'The version of SSM Agent on this instance doesn't support Run As' occurs when the Amazon EC2 SSM Agent version is not up to date.


Amazon EC2 refused to connect error – Fix it now

This article covers methods to resolve "Connection refused" or "Connection timed out" errors  which is noticed when trying to connect to my Amazon EC2 instance using SSH. In fact, this error indicates that the server didn't respond to the client and the client program gave up (timed out).


Common causes for "Connection refused" or "Connection timed out" EC2 AWS errors:

  • The security group or network ACL doesn't allow access.
  • There is a firewall on the instance's operating system.
  • There is a firewall between the client and the server.
  • The host doesn't exist.


SolusVM: Cannot Allocate Memory Error – Best fix ?

This article covers the best way to tackle SolusVM: Cannot Allocate Memory Error. In fact, this error happens while booting KVM VPS in SolusVM. This error signifies that there is not enough free memory on the node.


Can't connect to AWS RDS instance - Tips to fix it ?

This article covers methods to resolve "Can't connect to AWS RDS instance" error for our Customers. If either the telnet or nc commands succeed, then a network connection was established. This means the issue is likely caused by the user authentication to the database, such as user name and password.


"Undefined" error in elementor - How to Fix this WordPress error ?

This article covers tips to fix "Undefined" error in elementor for WordPress users. In fact, this is the most common issues faced by Elementor users when trying to import a Custom  saved template or one of the Elementor’s default Templates.

To resolve the issue you need to click on the Sync Library button on the Template Import section.

Once you refresh the Library, try importing the templates again and it should work perfectly fine.


AWS RDS parameter group max_allowed_packet - How to Modify the parameter ?

This article covers how to create and modify the AWS RDS parameter. 


What is max_connect_errors parameter ?

This parameter indicates how many connection errors are possible before the server blocks a host. If more than max_connect_errors successive connection requests from a host are interrupted without a successful connection, the server blocks that host from further connections. The default value is 100 and can be tuned to your security requirements and environment.

For example, if max_connect_errors=5000, after 5,000 connection requests from Host X are interrupted you get an error like the following:

Host X is blocked because of many connection errors ()

You can simply Unblock the host using the following command:

mysql> flush hosts;
mysql> show global variables like 'max_connect_errors';

+| Variable_name      | Value |
+--------------------+-------+
| max_connect_errors | 5000|
+--------------------+-------+

1 row in set (0.00 sec)