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Linux tips »

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 »

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.

Cpanel, Linux »

Recently there are few of our server overloaded because of Softaculous.
Not sure what trigger the overload but reinstall the software seem managed to solve the issue.
We have install our server with process monitoring script. When ever there are many process running exceeded define volume the notification will be sent to our report email.

Linux tips »

Recently one of server under my control infected with mining software. It cause unnecessary load and waste of server resource.
Since the server is using Cpanel, I must use WHM to track down the source. I check WHM ‘Process Manager’ and ‘Daily process log’ and found something similar like :
impxxxx impxxxxketing.com 98.5 -bash -a cryptonight -o stratum+tcp://xx.xx.xx.xx:14444 -u

Linux tips »

When using clusterssh sometime cannot connect to cssh due to recent upgrade.

gatekeeper@localhost:~> cssh
Connection to server failed — (version 11.0)
No protocol specified
at /usr/lib/perl5/vendor_perl/5.26.1/App/ClusterSSH.pm line 1983.
gatekeeper@localhost:~> echo $DISPLAY
:1