Re: Secure Erase program -- hdparm

2013-05-14 Thread Nicholas Leippe
SCSI (and SAS) drives also have a similar feature, although it may not be as easily accessible, and is not guaranteed to be implemented, though I'd wager that most modern drives do. For [SP]ATA drives there are actually two secure erase modes. In addition, there also exist HPA and DCO features whi

Re: Secure Erase program -- hdparm

2013-05-14 Thread Jason Wright
On Tue, May 14, 2013 at 1:32 AM, Dan Egli wrote: > Hey, someone was asking me if there was a secure erase program for Linux > (something like Norton's WipeInfo, for example). I've heard of wiping files > by writing some random info out of /dev/random onto the file, but I've > never heard of a spe

Re: Secure Erase program

2013-05-14 Thread Gary Thornock
> From: Michael Torrie > On 05/14/2013 01:44 AM, Gabriel Gunderson wrote: >> There are real reasons why this might not *actually* work. Be aware of >> caches, buffers, journals, snapshots, flushes, and RAIDs, oh my! > And on copy-on-write filesystems such as BtrFS and ZFS, I imagine it's > not po

Re: UPS recommendations

2013-05-14 Thread Daniel Fussell
On 05/12/2013 01:11 PM, Nicholas Leippe wrote: > I would still use an APC in a data center environment--mounted in metal > racks above fire-proof floors I wouldn't worry about them venting gas or > getting hot when they fail. But not in my home on my wood floor or in my > carpeted office. > I don't

Re: Kernel Frustrations

2013-05-14 Thread John Nielsen
On May 13, 2013, at 9:01 PM, Stuart Jansen wrote: > On Mon, 2013-05-13 at 21:36 -0500, S. Dale Morrey wrote: >> Just a thought, but aren't odd numbered kernel minor numbers supposed to be >> unstable and even numbered minors supposed to be stable? I think I >> remember reading that somewhere. >

Tonight: Salt Lake Perl Mongers meeting

2013-05-14 Thread Doran L. Barton
The Salt Lake Perl Mongers May meeting will be this Tuesday, May 14th at 7:00pm. The meeting will be hosted at Bluehost's Draper office. 12159 South Bus Park Drive, Suite 160 Draper, UT 84020 Topic: Intro to Dancer -- Gordon Child We will start out with "Hello world", walk through primary feature

Re: Secure Erase program

2013-05-14 Thread Nicholas Leippe
FYI, simply writing zeros is sufficient. No need to exhaust your entropy pool. /* PLUG: http://plug.org, #utah on irc.freenode.net Unsubscribe: http://plug.org/mailman/options/plug Don't fear the penguin. */

Re: Secure Erase program

2013-05-14 Thread Michael Torrie
On 05/14/2013 01:44 AM, Gabriel Gunderson wrote: > There are real reasons why this might not *actually* work. Be aware of > caches, buffers, journals, snapshots, flushes, and RAIDs, oh my! And on copy-on-write filesystems such as BtrFS and ZFS, I imagine it's not possible to overwrite an existing

Re: Secure Erase program

2013-05-14 Thread Gabriel Gunderson
On Tue, May 14, 2013 at 1:32 AM, Dan Egli wrote: > Hey, someone was asking me if there was a secure erase program for Linux """ NAME shred - delete a file securely, first overwriting it to hide its contents SYNOPSIS shred [OPTIONS] FILE [...] DESCRIPTION Overwrite the specified FILE(s) repea

Secure Erase program

2013-05-14 Thread Dan Egli
Hey, someone was asking me if there was a secure erase program for Linux (something like Norton's WipeInfo, for example). I've heard of wiping files by writing some random info out of /dev/random onto the file, but I've never heard of a specific program that would do that for Linux. Does anyone her