Create local PowerPC Ubuntu 16.10 mirror on my Web/NAS server:
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*This will require 66GB of storage.

You can create a apt mirror server locally, including for one distro/release and one ISA.
This will be a guide for Ubuntu 16.10 for PowerPC only (Can still work on x86/ARM Server with much newer release of Ubuntu, like 22.10).
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Step 1:
You will need a server with Ubuntu or Debain installed, as well as apache2 web server. You must be root to do this.

Step 2:
Get apt mirror by:
apt-get install apt-mirror

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Step 3:
Using "nano /etc/apt/mirror.list", replace contents of the file with this:

############# config ##################
#
# set base_path    /var/spool/apt-mirror
#
# set mirror_path  $base_path/mirror
# set skel_path    $base_path/skel
# set var_path     $base_path/var
# set cleanscript $var_path/clean.sh
# set defaultarch  <running host architecture>
# set postmirror_script $var_path/postmirror.sh
# set run_postmirror 0
set nthreads     20
set _tilde 0
#
############# end config ##############

deb-powerpc http://old-releases.ubuntu.com/ubuntu yakkety main restricted universe multiverse
deb-powerpc http://old-releases.ubuntu.com/ubuntu yakkety-security main restricted universe multiverse
deb-powerpc http://old-releases.ubuntu.com/ubuntu yakkety-updates main restricted universe multiverse
deb-powerpc http://old-releases.ubuntu.com/ubuntu yakkety-proposed main restricted universe multiverse
deb-powerpc http://old-releases.ubuntu.com/ubuntu yakkety-backports main restricted universe multiverse
#deb http://archive.ubuntu.com/ubuntu kinetic-proposed main restricted universe multiverse
#deb http://archive.ubuntu.com/ubuntu kinetic-backports main restricted universe multiverse

#deb-src http://archive.ubuntu.com/ubuntu kinetic main restricted universe multiverse
#deb-src http://archive.ubuntu.com/ubuntu kinetic-security main restricted universe multiverse
#deb-src http://archive.ubuntu.com/ubuntu kinetic-updates main restricted universe multiverse
#deb-src http://archive.ubuntu.com/ubuntu kinetic-proposed main restricted universe multiverse
#deb-src http://archive.ubuntu.com/ubuntu kinetic-backports main restricted universe multiverse

clean http://old-releases.ubuntu.com/ubuntu



Use ^X to save and exit
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Step 4:
Get contents of server you are mirroring using this command as root
Can take an hour to update. This is an executable:

/usr/bin/apt-mirror


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Step 5:
Use this command to link cache folder to root of web server:

ln -s /var/spool/apt-mirror/mirror/old-releases.ubuntu.com/ubuntu /var/www/html/ubuntu

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Step 6:
You now have a functioning apt server!, just using the /etc/apt/sources.list file on your clients that support the distro/release/ISA of your mirror replace there original domain with the IP address of your mirror. May need to create original entries for missing items.


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Sources:
https://computingforgeeks.com/creating-ubuntu-mirrors-using-apt-mirror/
https://www.howtoforge.com/local_debian_ubuntu_mirror
https://askubuntu.com/questions/423591/getting-errors-after-setting-up-apt-mirror


Date: Fall 2022