sudo emerge -av sudo

>>> Installing (1 of 1) app-admin/sudo-1.8.6_p7
 * checking 38 files for package collisions
>>> Merging app-admin/sudo-1.8.6_p7 to /
 * >>> SetUID: [chmod go-r] /usr/bin/sudo ...                            [ ok ]
--- /etc/
--- /etc/pam.d/
>>> /etc/pam.d/sudo
--- /etc/sudoers
--- /etc/sudoers.d/
>>> /etc/ldap.conf.sudo
--- /usr/
--- /usr/sbin/
>>> /usr/sbin/sudoers2ldif
>>> /usr/sbin/visudo
--- /usr/include/
>>> /usr/include/sudo_plugin.h
--- /usr/share/
--- /usr/share/locale/
--- /usr/share/locale/it/
--- /usr/share/locale/it/LC_MESSAGES/
>>> /usr/share/locale/it/LC_MESSAGES/sudoers.mo
>>> /usr/share/locale/it/LC_MESSAGES/sudo.mo
--- /usr/share/man/
--- /usr/share/man/man8/
>>> /usr/share/man/man8/sudo_plugin.8.bz2
>>> /usr/share/man/man8/sudoreplay.8.bz2
>>> /usr/share/man/man8/sudoedit.8.bz2 -> sudo.8.bz2
>>> /usr/share/man/man8/visudo.8.bz2
>>> /usr/share/man/man8/sudo.8.bz2
--- /usr/share/man/man5/
>>> /usr/share/man/man5/sudoers.ldap.5.bz2
>>> /usr/share/man/man5/sudoers.5.bz2
--- /usr/share/doc/
--- /usr/share/doc/sudo-1.8.6_p7/
>>> /usr/share/doc/sudo-1.8.6_p7/TROUBLESHOOTING.bz2
>>> /usr/share/doc/sudo-1.8.6_p7/README.LDAP.bz2
>>> /usr/share/doc/sudo-1.8.6_p7/schema.iPlanet.bz2
>>> /usr/share/doc/sudo-1.8.6_p7/schema.OpenLDAP.bz2
>>> /usr/share/doc/sudo-1.8.6_p7/UPGRADE.bz2
>>> /usr/share/doc/sudo-1.8.6_p7/ChangeLog.bz2
>>> /usr/share/doc/sudo-1.8.6_p7/CONTRIBUTORS.bz2
>>> /usr/share/doc/sudo-1.8.6_p7/LICENSE.bz2
>>> /usr/share/doc/sudo-1.8.6_p7/sudoers2ldif.bz2
>>> /usr/share/doc/sudo-1.8.6_p7/HISTORY.bz2
>>> /usr/share/doc/sudo-1.8.6_p7/sample.sudo.conf.bz2
>>> /usr/share/doc/sudo-1.8.6_p7/sample.syslog.conf.bz2
>>> /usr/share/doc/sudo-1.8.6_p7/README.bz2
>>> /usr/share/doc/sudo-1.8.6_p7/schema.ActiveDirectory.bz2
>>> /usr/share/doc/sudo-1.8.6_p7/sample.sudoers.bz2
>>> /usr/share/doc/sudo-1.8.6_p7/NEWS.bz2
>>> /usr/share/doc/sudo-1.8.6_p7/sample.pam.bz2
--- /usr/libexec/
>>> /usr/libexec/sudo_noexec.so
--- /usr/lib/
--- /usr/lib/sudo/
>>> /usr/lib/sudo/sudoers.so
--- /usr/bin/
>>> /usr/bin/sudoedit -> sudo
>>> /usr/bin/sudo
>>> /usr/bin/sudoreplay
--- /var/
--- /var/db/
--- /var/db/sudo/
>>> /var/db/sudo/.keep_app-admin_sudo-0
>>> Safely unmerging already-installed instance...
No package files given... Grabbing a set.
--- replaced obj /var/db/sudo/.keep_app-admin_sudo-0
--- replaced dir /var/db/sudo
--- replaced dir /var/db
--- replaced dir /var
--- replaced obj /usr/share/man/man8/visudo.8.bz2
--- replaced obj /usr/share/man/man8/sudoreplay.8.bz2
--- replaced sym /usr/share/man/man8/sudoedit.8.bz2
--- replaced obj /usr/share/man/man8/sudo_plugin.8.bz2
--- replaced obj /usr/share/man/man8/sudo.8.bz2
--- replaced dir /usr/share/man/man8
--- replaced obj /usr/share/man/man5/sudoers.ldap.5.bz2
--- replaced obj /usr/share/man/man5/sudoers.5.bz2
--- replaced dir /usr/share/man/man5
--- replaced dir /usr/share/man
--- replaced obj /usr/share/locale/it/LC_MESSAGES/sudoers.mo
--- replaced obj /usr/share/locale/it/LC_MESSAGES/sudo.mo
--- replaced dir /usr/share/locale/it/LC_MESSAGES
--- replaced dir /usr/share/locale/it
--- replaced dir /usr/share/locale
--- replaced obj /usr/share/doc/sudo-1.8.6_p7/sudoers2ldif.bz2
--- replaced obj /usr/share/doc/sudo-1.8.6_p7/schema.iPlanet.bz2
--- replaced obj /usr/share/doc/sudo-1.8.6_p7/schema.OpenLDAP.bz2
--- replaced obj /usr/share/doc/sudo-1.8.6_p7/schema.ActiveDirectory.bz2
--- replaced obj /usr/share/doc/sudo-1.8.6_p7/sample.syslog.conf.bz2
--- replaced obj /usr/share/doc/sudo-1.8.6_p7/sample.sudoers.bz2
--- replaced obj /usr/share/doc/sudo-1.8.6_p7/sample.sudo.conf.bz2
--- replaced obj /usr/share/doc/sudo-1.8.6_p7/sample.pam.bz2
--- replaced obj /usr/share/doc/sudo-1.8.6_p7/UPGRADE.bz2
--- replaced obj /usr/share/doc/sudo-1.8.6_p7/TROUBLESHOOTING.bz2
--- replaced obj /usr/share/doc/sudo-1.8.6_p7/README.bz2
--- replaced obj /usr/share/doc/sudo-1.8.6_p7/README.LDAP.bz2
--- replaced obj /usr/share/doc/sudo-1.8.6_p7/NEWS.bz2
--- replaced obj /usr/share/doc/sudo-1.8.6_p7/LICENSE.bz2
--- replaced obj /usr/share/doc/sudo-1.8.6_p7/HISTORY.bz2
--- replaced obj /usr/share/doc/sudo-1.8.6_p7/ChangeLog.bz2
--- replaced obj /usr/share/doc/sudo-1.8.6_p7/CONTRIBUTORS.bz2
--- replaced dir /usr/share/doc/sudo-1.8.6_p7
--- replaced dir /usr/share/doc
--- replaced dir /usr/share
--- replaced obj /usr/sbin/visudo
--- replaced obj /usr/sbin/sudoers2ldif
--- replaced dir /usr/sbin
--- replaced obj /usr/libexec/sudo_noexec.so
--- replaced dir /usr/libexec
--- replaced obj /usr/lib/sudo/sudoers.so
--- replaced dir /usr/lib/sudo
--- replaced dir /usr/lib
--- replaced obj /usr/include/sudo_plugin.h
--- replaced dir /usr/include
--- replaced obj /usr/bin/sudoreplay
--- replaced sym /usr/bin/sudoedit
--- replaced obj /usr/bin/sudo
--- replaced dir /usr/bin
--- replaced dir /usr
--- replaced dir /etc/sudoers.d
--- replaced obj /etc/sudoers
--- replaced obj /etc/pam.d/sudo
--- replaced dir /etc/pam.d
--- replaced obj /etc/ldap.conf.sudo
--- replaced dir /etc
>>> Regenerating /etc/ld.so.cache...
>>> Original instance of package unmerged safely.
 *
 * sudo uses the /etc/ldap.conf.sudo file for ldap configuration.
 *
 * To use the -A (askpass) option, you need to install a compatible
 * password program from the following list. Starred packages will
 * automatically register for the use with sudo (but will not force
 * the -A option):
 *
 *  [*] net-misc/ssh-askpass-fullscreen
 *      net-misc/x11-ssh-askpass
 *
 * You can override the choice by setting the SUDO_ASKPASS environmnent
 * variable to the program you want to use.
>>> app-admin/sudo-1.8.6_p7 merged.

 * Messages for package app-admin/sudo-1.8.6_p7:

 *
 * sudo uses the /etc/ldap.conf.sudo file for ldap configuration.
 *
 * To use the -A (askpass) option, you need to install a compatible
 * password program from the following list. Starred packages will
 * automatically register for the use with sudo (but will not force
 * the -A option):
 *
 *  [*] net-misc/ssh-askpass-fullscreen
 *      net-misc/x11-ssh-askpass
 *
 * You can override the choice by setting the SUDO_ASKPASS environmnent
 * variable to the program you want to use.
>>> Auto-cleaning packages...

>>> No outdated packages were found on your system.

 * GNU info directory index is up-to-date.
giulio@miogentoo ~ $ etc-update
bash: etc-update: command not found
giulio@miogentoo ~ $ sudo etc-update
sudo: /etc/sudoers.d è di proprietà dello uid 1000, dovrebbe essere di 0
sudo: /var/db/sudo è di proprietà dell'uid 1000, dovrebbe essere dell'uid 0

We trust you have received the usual lecture from the local System
Administrator. It usually boils down to these three things:

    #1) Respect the privacy of others.
    #2) Think before you type.
    #3) With great power comes great responsibility.

Password:
Sorry, try again.
Password:
Scanning Configuration files...
Exiting: Nothing left to do; exiting. :)
giulio@miogentoo ~ $