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[14 Dec 2018 | No Comment | 3,101 supporters]
Stop false alarm from SNMP because of UDP flood

Sometimes monitoring server that use SNMP to monitor the service will show service down even though the service is not down. This is because of UDP flood to SNMP service triggering the false alarm. The port flooding causing monitoring server failed to retrieve information from the problem server.

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[13 Dec 2018 | No Comment | 920 supporters]
Install Windows Subsystem for Linux and setup Clusterssh to manage multiple SSH

The only purpose for me to install the program is to install Clusterssh to manage multiple ssh session in one time.
In this simple guide I assume that Xming server have been installed and running.
For those who don’t know what is Xming server please refer Xming project website.
It actually X server implementation for Windows.

Linux tips »

[12 Dec 2018 | No Comment | 1,335 supporters]
Silly me

One of the server have problem with MySQL. The MySQL table cannot edit at all. Restart the MySQL does not resolve the issue.

It turn out that the problem come from tmp folder.

So stop the MySQL first.