Archive for the 'Tech Tips' Category

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Silent drive corruption (LVM — the silent killer)

UPDATE: it appears to be software raid, rather than LVM, that is causing the corruption. More tomorrow after more testing.
There’s a fair amount of disk space on my mythtv backend, set up like this:
Onboard SATA 2×250GB -> md0 (raid 1) -> LVM [1]
PCI SATA 2×300GB -> md1 (raid 1) -> LVM [2]
The LVM […]

Microsoft identifies Symantic antivirus as a trojan

I mean, I’m sure it’s a complete accident that Microsoft’s competition to an antivirus labels it as PWS.Bancos.A Password Stealer, it’s not like there would be any reason to let that slip accidentally. [edit: fixed the URL]

I have compressed your OS down to one command..

Which shall henceforth be known as the letter d.
I think I would fire someone who set that sort of stuff up on a server.

If a script says register globals should be on, then don’t use that script

When people who would otherwise like to be known as professionals (IE they are charging money for a script and/or services) tell you that their software needs register_globals (in php) to be enabled, it means that they can’t code their way out of a wet paper bag.
It takes like 30 seconds to change all of […]

Zend Encoder bad for the internet

Like many hosting companies (although many won’t admit it), our customers often have problems with their accounts being compromised. 99% of the time this is because they were running a 3rd party script with a significant security flaw in it. The worst are the 3rd party billing scripts, sometimes people who compromise the […]