danielocdh

## Electrum-offline.md

      
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                jacoblyles
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    Installing Electrum on an air-gapped Ubuntu Machine

This guide shows how to install Electrum on an air-gapped machine. You will also need an Ubuntu machine connected to the network in order to complete this guide (it can be a virtual machine).
On the online machine

If you are running Ubuntu 16.04 off of a live USB, there is a bug that affects the package manager. You need to run these two commands at the terminal to fix it:
$ sudo mv /var/cache/app-info/xapian/default /var/cache/app-info/xapian/default_old

  
## howto-recover-google-authenticator-keys.txt
### Last tested February 7 2014 on a Galaxy S3 (d2att) running Cyanogenmod 11 nightly, with Google Authenticator 2.49.

### Device with Google Authenticator must have root.
### Computer requires Android Developer Tools and SQLite 3.

### Connect your device in USB debugging mode.

$ cd /tmp
$ adb root
$ adb pull /data/data/com.google.android.apps.authenticator2/databases/databases
	### Last tested February 7 2014 on a Galaxy S3 (d2att) running Cyanogenmod 11 nightly, with Google Authenticator 2.49.

	### Device with Google Authenticator must have root.
	### Computer requires Android Developer Tools and SQLite 3.

	### Connect your device in USB debugging mode.

	$ cd /tmp
	$ adb root
	$ adb pull /data/data/com.google.android.apps.authenticator2/databases/databases