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Unlocking the disk (sda5_crypt) Enter Passphrase

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http://askubuntu.com – I had installed ubuntu 12.10 with security key for enscrypting system hard disk which requires you to enter the passphrase before the login screen every time you boot your system... i wanted to get rid of that security key so i used a command in terminal while my system was working fine but somehow the command disabled the logon to my system (even after using the correct PW same is not opening ... i wanted ti reinstalll ubuntu through bootable USB but i think the security key for encrypting the hard disk is preventing the same ... i am just left with a useless laptop with me where i cant ev (HowTos)

Danial's picture
Submitted by Danial on 01/30/2013

Stories similar to Unlocking the disk (sda5_crypt) Enter Passphrase

I just upgraded my F9 system to F10 using they preupgrade method, and though nothing seems to have failed during the upgrade I can't boot my system any longer.

I have a completly encrypted system, and so I need to enter a passphrase at boot. The new F10 system does boot and I do get a Password: prompt but the passphrase is not accepted.

Please, I'm afraid the hard disk has 1 M or some kbs free left, so after turning off the computer a few hours ago, it seems there is no way to enter Ubuntu. It keeps frozen at the first screen.

Please, is there any way to solve it and keep going to work.

Thank You.

I followed this guide https://help.ubuntu.com/community/En...hEncryptedSwap to enable hibernate with encrypted home folder. Everything works well except passphrase prompt: startup doesn't pauses and I have no ability to enter passphrase - system shows login screen right after the propmt.

Thanks!

Just did a clean install of Xubuntu 12.04 amd64 on a new Western Digital wd30ezrx 3TB hard disk - no errors during install.

I just installed Fedora 12. My wireless card in the laptop works, and can "see" available networks. At system startup it pops a window for me to enter a security key, but I can only choose:

None WEP 40/128 WEP 128 Passphrase LEAP Dynamic WEP

I have a ubuntu 12.04 64 bit system, where I have two sda partitions sda1 and sda5, sda1 is unencrypted ext2 boot partition and sda5 is lvm2 encrypted disk with root filesystem and home etc.

Till yesterday I was able to login and was working fine. Today onwards I was not able to login(no typo mistake),login always fails. Passphrase and decrypt is going through, but login fails.

I have a ubuntu 12.04 64 bit system, where I have two sda partitions sda1 and sda5, sda1 is unencrypted ext2 boot partition and sda5 is lvm2 encrypted disk with root filesystem and home etc.

Till yesterday I was able to login and was working fine. Today onwards I was not able to login(no typo mistake),login always fails. Passphrase and decrypt is going through, but login fails.

Disk Sleep 3 years 12 weeks ago

Hello,

Many processes enter in disk sleep mode and stops (Hang) and return to work after 10 to 20 seconds.

In System Monitor i get "Disk Sleep" like this:

My PC specifications: Ram: 4GB Hard Disk: 1024GB Processor: AMD Athlon II X2 Display: ATI HD 4670 Motherbord: Gigabyte

Unfortunately scripts that come with many distros to convert your cherished hard disk install into an equivalent live CD or DVD,

1. do not always succeed, 2. are often incomplete, and 3.