Hi. Damned by hackers posting rootkits into your physical server or VPS? Plesk CP 8x have a nice tool to hunt all rootkits and kill all of them easy. At the left column of Plesk CP click please desktop, in General, then click Go to Watchdog 2.0 in Watchdog 2.0, click Security and you will see Tools Starting under this line: "Scan your server for rootkits, backdoors, local exploits and other malicious code". Simply click the green Start arrow and in few minutes you are done!! Using a control panel that have not this feature? You have to download chkrootkit: SSH your server or VPS, wget the most recent chkrootkit from
http://www.chkrootkit.org/, install and run it and that is all...