Swap Space and SSDSwap Space and SSD
In 2007 I wrote a blog post about swap space [1]. The main point of that article was to debunk the claim that Linux needs a swap space twice as[...]
Category: Linux
Is Portslave Still Useful?Is Portslave Still Useful?
Portslave is a project that was started in the 90’s to listen to a serial port and launch a PPP or SLIP session after a user has been authenticated, I[...]
Hetzner now Offers SSDHetzner now Offers SSD
Hetzner is offering new servers with SSD, good news for people who want to run ZFS (for ZIL and/or L2ARC). See the EX server configuration list for more information [1].[...]
ZFS on Debian/WheezyZFS on Debian/Wheezy
As storage capacities increase the probability of data corruption increases as does the amount of time required for a fsck on a traditional filesystem. Also the capacity of disks is[...]
New Version of MemlockdNew Version of Memlockd
I’ve just released a new version of Memlockd, a daemon to lock essential files in RAM to increase the probability of recovering a system that is paging excessively [1]. The[...]
Another USB Flash FailureAnother USB Flash Failure
I previously wrote about a failure of a USB flash device in my Internet gateway [1]. I have since had another failure in the same system, so both the original[...]
Flash Storage UpdateFlash Storage Update
Last month I wrote about using USB flash storage devices for my firewall and Squid proxy [1]. 4 days ago it failed, the USB device used for the root filesystem[...]
USB Flash StorageUSB Flash Storage
For some years I have had my Internet gateway/firewall system in a cupboard in my bedroom. While I don’t mind some computer noise (I’ve slept near a server for most[...]
Cooling a ThinkpadCooling a Thinkpad
Late last year I wrote about the way that modern laptops suck [1]. One of the problems that inspired that post was the excessive heat generated by my Thinkpad T61.[...]
Magic entries for BTRFS and Software RAIDMagic entries for BTRFS and Software RAID
I’ve just discovered that the magic database for the file(1) command in Debian/Unstable has no support for Linux Software RAID and that it’s support for BTRFS is lacking (no reporting[...]