Kinds Of Business Agreement

Frequently Asked Questions (Ubuntu)

• How to restore a root account?

security policy Ubuntu is a bit weird, so we will ignore safety recommendations advocated in the online manual:

$ sudo passwd root
Password: Enter new
UNIX password:

The first password to type is that of the user-Guillaume Levavasseur created during installation. The second is the new password that is chosen for the root account.

• What to do when apt-get update returns a "GPG error '?

Sometimes apt-get update returns an error message like this:
W: GPG error: http://localhost dapper Release: The following signatures could not be verified because the public key is not available: NO_PUBKEY 4CF19C3233BAC1B3

is how to fix it:

# gpg - keyserver subkeys.pgp.net - recv-keys 4CF19C3233BAC1B3
# gpg - export - Armor 4CF19C3233BAC1B3

Server side:

• # / usr / share / cups / 1 enable_sharing # / usr / share / cups / 1 enable_browsing

Client side:
Open gnome-cups-manager (Xubuntu: # apt-get install gnome-cups-manager
), launch it with xfrun , then click on "Detect network printers

. Wait a few seconds.
How reconfigure locales?

Unlike Debian, it is possible to add local

through dpkg-reconfigure locales
• . Here's a hack that allows other to this end: # cp / var / lib / local / supported.d / local / var / lib / local / supported.d / local.old

# cp / usr/share/i18n/SUPPORTED / var / lib / local / supported.d / local
# dpkg-reconfigure locales
Note: Because the process takes some time, it is perhaps be not only generate a few hundred local Armenian to Zulu. In this case, edit the new file and delete
local everything one knows one would ever use.
Application practical for applications that suffer from encoding problem (like Audacity in French), we can then edit the file . desktop in / usr / share / applications
as follows:
[Desktop Entry]

Encoding = UTF-8 Name =

Audacity Audacity Sound Editor GenericName =
Comment = Record and edit audio files
audacity Icon = Type = Application

Categories = AudioVideo ; Audio, Recorder;
Exec = sh-c 'LANG = en_US; audacity'
Terminal = false