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0
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1answer
30 views

Is the shred utility always safe given a good random number generator?

I recently experimented with different methods of disk randomization to find what would get the job done fastest. The openssl random number generator with AES in counter mode was said to be pretty ...
1
vote
1answer
306 views

How to erase a SSD to restore factory performance in Linux?

Due to big performance issues with an mdraid-1 array I'd like to pull down from the array one of the devices (Samsung 840 Pro), erase it to restore factory performance and re-add it to the array. The ...
0
votes
1answer
469 views

How can I remove SHV4 / SHV5 rootkits? [duplicate]

I've seen that my system has a two kind of rootkits: SHV4 / SHV5. (I'm going to add a log here) I tried to remove it but I could not. Can anybody recommend me any way to do it? [ Rootkit Hunter ...
4
votes
5answers
2k views

How should I sanitize a SAS drive that I removed from a RAID 5 Array?

I had a disk experience a predictive failure. As a result, I removed the drive and replaced it. Now that I have the drive removed, I would like to sanitize it. What is the easiest way to go about ...
1
vote
0answers
107 views

How long to erase flash memory (RAID controller)?

I made a bit of a boo boo last night in upgrading the BIOS in a Silicon Image Sil3132 eSATA adapter. It's a RAID controller in a server. I accidently flashed it with the wrong BIOS ;-) Not the end of ...
21
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14answers
20k views

Fastest, surest way to erase a hard drive?

I'm looking for a quick, simple, and effective way to erase the hard drives of computers that my company will be getting rid of (donation to charity, most likely). Ideally, I would like a ...
2
votes
8answers
1k views

Mass hard drive erasure

I was wondering if there is some hardware out there that can simultaneously wipe/zero out many hard drives of different varieties. If there isn't, would it be simple enough to build one manually? We ...
0
votes
2answers
279 views

Unable to understand a stty option for Emacs in OS/X

Steve recommends to run the following code before you start your Emacs stty erase ^\? I get after running it stty: illegal option -- Backups usage: stty [-a|-e|-g] [-f file] [options] Steve's ...
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14answers
15k views

Is there an alternative to /dev/urandom?

Is there some faster way than /dev/[u]random? Sometimes, I need to do things like cat /dev/urandom > /dev/sdb The random devices are "too" secure und unfortunately too slow for that. I know that ...