Upgrade to natty

Following these notes: https://help.ubuntu.com/community/UpgradeNotes

packages no longer available but not quite end of life

upgrade from 10.10 to 11.04

do-release-upgrade

are you sure you want to do this over ssh?  it will be harder to recover. An additional sshd will start on 1022. you may need to open this port on the firewall.
Yes

packages are still not available for 10.10 maverick

download packages for 11.04 natty

command terminated with exit status 1
http://extras.ubuntu.com/ubuntu/dists/natty/main/binary-amd64/Packages.gz 404 not found

commented out extras from /etc/apt/sources.list

do-release-upgrade

calculating the changes

started at 11:29pm Mar 19
estimates 3 hours 4 minutes with a 1Mbit DSL connection

new estimate 2 hours 30 minutes

download finished in the night.  Started interactive install portion at 8:10am Mar 20
sysstat 9.1.6 changed sar format.  remove old sar data files?  yes

pam services need to be restarted to use modules built for this new version of libpam.
services to restart for pam library upgrade:
saslauthd gdm cups cron courier-authdaemon atd

you have modified /etc/sudoers.conf.  please consider putting your changes in /etc/sudoers.d

no alternatives for gs, ps2pdf

resolve conflicts for /etc/sudoers.conf
applied new version, losing NOPASSWD which doesn't work anyway.

resolve conflicts for /etc/ufw/before.rules
take new version, not used

resolve conflicts for /etc/samba/smb.conf
new comments, switch interface from eth1 to eth0 (will have to fix)
take new version

resolve conflicts for /etc/services
adds new services, removes minecraft
take new version

resolve conflicts for /etc/ntp.conf
switches time server from mix of easystreet.com and ntp.ubuntu.com to {0,3}.ubuntu.pool.ntp.org
take new version

resolve conflicts for /etc/rsyslog.conf
comments out imudp, removes KLogPath
take new version

resolve conflicts for /etc/php5/cli/php.ini
set upload_max_filesize to 2M, change comments
keep modified version

virtualbox can find no kernel modules to start

resolve conflicts for /etc/cups/cupsd.conf
switch Listen from 10.0.0.3:631 to localhost:631
turn browsing off
take new version

resolve conflicts for /etc/php5/apache2/php.ini
set upload_max_filesize to 2M, change comments
keep modified version

resolve conflicts for /etc/courier/imapd
set maxdaemons to 40, set imap_ulimitd to 131072
come back later to set set imap_ulimitd to suggested value
keep modified version

10:22am
139 packages are going to be removed
Fetching and installing the upgrade can take several hours.  Once the download has finished, the process cannot be canceled.
Finished fscks at 10:56am (except for drobo)