Migrating existing RAID1 volumes to bigger drives

hdds

Every once in a while hardware needs to be replaced. Sometimes boards, sometimes CPUs and sometimes drives. Drives are the ones most difficult to replace as they hold all that precious data one does not want to lose.

I personally hate reinstalling stuff; so I try as much as possible to “migrate” my data around. In this tutorial I’ll be replacing two drives under a RAID1 array with two newer bigger drives (and resize the array accordingly). Continue reading

How to fix the Windows Updates available but list empty

updates-missing

Every once in a while Windows 7 manages to lose the list of available updates, and while it displays the correct number, the list for both important and optional updates are empty.

The only actual solution seemed to be a computer restart. However, there is an additional way to restore the updates list to proper functionality… Continue reading

Handling processes / services on hibernation / wakeup in CentOS

dormouse

Hibernation is a great feature on any computer. It allows for a temporary pause in execution in which the system in question can be unplugged, cleaned, modified, or moved.

But what happens when some services don’t play nice and fail to resume properly from sleep? Fortunately, Linux’s power management utilities provide the necessary functionality… Continue reading

Maximizing Netgear WNDR4500v2 functionality with DD-WRT (USB, FTP, Samba, TFTP, Printer sharing)

wndr4500

The Negear WNDR4500v2 router is quite a beefy piece of hardware with advanced firmware, including plenty of features even for a maniac user like me.

I would most likely not have replaced it from day 1 however if it had one more feature that I absolutely needed: TFTP/PXE/BootP options for the DHCP server. There is where DD-WRT comes in… Continue reading