ALERT /dev/mapper/ubuntu--vg-root does not exist DROPPING to Shell -

Problem 1:
 ALERT /dev/mapper/ubuntu--vg-root does not exist DROPPING to Shell -

Solution:

(initramfs)  vgchange -ay
(initramfs)  exit

然後可以順利進入開機

安裝
udo apt-get install lvm2


參考
http://askubuntu.com/questions/286284/system-no-longer-boots-gave-up-waiting-for-root-device-initramfs-dev-mappe

http://askubuntu.com/questions/652734/alert-dev-mapper-server-vg-root-does-not-exist-dropping-to-shell

http://askubuntu.com/questions/567730/gave-up-waiting-for-root-device-ubuntu-vg-root-doesnt-exist

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Problem 2:
E: Could not get lock /var/lib/dpkg/lock - open (11: Resource temporarily unavailable)

Solution:

1. Seach Number
ps aux | grep apt-get

2. Kill them....
kill  processnumber

http://askubuntu.com/questions/15433/unable-to-lock-the-administration-directory-var-lib-dpkg-is-another-process


http://askubuntu.com/questions/346143/e-could-not-get-lock-var-lib-dpkg-lock-open-11-resource-temporarily-unavai

https://www.ubuntu-tw.org/modules/newbb/viewtopic.php?topic_id=38130