问如何使ExFAT在12.04上工作

EN

sudo apt-add-repository ppa:relan/exfat
sudo apt-get update
sudo apt-get install fuse-exfat exfat-utils

sudo apt-add-repository ppa:relan/exfat
You are about to add the following PPA to your system:
 tag:launchpad.net:2008:redacted
 More info: https://launchpad.net/~relan/+archive/ubuntu/exfat
Press [ENTER] to continue or ctrl-c to cancel adding it

gpg: keyring `/tmp/tmpwpgBPE/secring.gpg' created
gpg: keyring `/tmp/tmpwpgBPE/pubring.gpg' created
gpg: "tag:launchpad.net:2008:redacted" not a key ID: skipping
recv failed

sudo apt-get update
... SNIP ...
Reading package lists... Done
W: GPG error: http://ppa.launchpad.net precise Release: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY 4DF9B28CA252A784

apt-cache search exfat
fuse-exfat - This driver is the first free exFAT file
exfat-utils - A set of utilities for creating, checking, dumping and labelling

sudo apt-get install fuse-exfat
Reading package lists... Done
Building dependency tree       
Reading state information... Done
The following NEW packages will be installed:
  fuse-exfat
0 upgraded, 1 newly installed, 0 to remove and 0 not upgraded.
Need to get 26.2 kB of archives.
After this operation, 98.3 kB of additional disk space will be used.
WARNING: The following packages cannot be authenticated!
  fuse-exfat
Install these packages without verification [y/N]?