2
votes
4answers
281 views

Why is writing so slow on raw device, and so fast on filesystem (USB key)?

I have a USB key that I am trying to benchmark quick'n'dirty on Linux. I'm testing write bandwith. dd on raw partition I created a partition starting at sector 2048, then did a 4 GB sequential ...
2
votes
4answers
408 views

Bash script to output path to USB flash memory stick

How would I return (output) the path to any USB flash memory stick(s) connected to the local computer using bash (Ubuntu and Linux Mint)? Background: I'm providing users with an automated backup ...
1
vote
4answers
72 views

Is there a robust way to cache contents of usb on local hd?

I'd like to switch between working on a laptop with a debian vm and a desktop pc running debian while carrying all my work files in a usb. Is there a robust way to automatically start caching the ...
1
vote
0answers
123 views

Directly convert Archbang live on a USB drive to one such with persistent file-system

I have installed Archbang 2012.12.03 from ISO image on my USB drive, now I have a USB drive with a live Linux installed on it but at end of every session and rebooting system I faced with a fresh ...
1
vote
1answer
7k views

How to restore a Fat32 filesystem under Linux

Here is what happened: I used the Laptop and accessed some data on my usb stick. Then I closed the Laptop putting the system into sleep mode. The USB-Stick was still plugged in. After the laptop was ...
3
votes
1answer
1k views

Ubuntu 11.04 and large external drives

I have a Hitachi USB external 3 terabyte drive attached to a Dell Precision T1500. When connected to the computer running Ubuntu 11.04 (2.6.38-11-generic #50-Ubuntu SMP Mon Sep 12 21:17:25 UTC 2011 ...
3
votes
3answers
13k views

How do I remove a Read-only file system from a usb drive

During an ill-fated attempt to get tinycore linux to boot from a USB drive I managed to create a bunch of files that I now cannot remove. fortino@rebel:/media/working/boot/isolinux$ rm *.* rm: ...
2
votes
2answers
3k views

Formatting external drive in CentOS previously used on OS X

I have a USB key they I want to use on a CentOS box. The USB key was previously used on OS X so I want to erase it to make it writable by CentOS. Can someone help me with the commands I need to run? ...