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Warning: those guides are mostly obsolete, please have a look at the new documentation.

UnixWindowsOracleObsoleteHardwareDIYMechanicsScriptsConfigs

Setting up a Debian / Ubuntu mirror
 
Update: apt-cacher-ng might be a better solution unless you really need a full mirror
 
apt-cacher-ng
Note. -ng is written in C++ and also has some improvements over apt-cacher which is in Perl.
 
Install the shit and no need to configure it,
apt install apt-cacher-ng
grep var /etc/apt-cacher-ng/acng.conf
cd /var/cache/
ls -ld apt-cacher-ng
touch apt-cacher-ng/NOT_MOUNTED
cat >> /etc/fstab <<EOF
/dev/mapper/cachervg-cacherlv /var/cache/apt-cacher-ng ext4 defaults 0 2
EOF
mount /var/cache/apt-cacher-ng/
grep apt /etc/passwd
grep apt /etc/group
chown apt-cacher-ng:apt-cacher-ng /var/cache/apt-cacher-ng/
/etc/init.d/apt-cacher-ng restart
ls -ld /var/cache/apt-cacher-ng/
ls -al /var/cache/apt-cacher-ng/
check,
/etc/init.d/apt-cacher-ng status
netstat -an --inet --inet6 | grep 3142
 
Setup clients,
cd /etc/apt/apt.conf.d/
vi 01proxy
Acquire::http::Proxy "http://cacher:3142";
 
Eventually add this script to daily crontabs, to check for space usage,
df -h /boot / /var/cache/apt-cacher-ng
 
apt-mirror
You need a debian or ubuntu system to use apt-mirror.
 
To create a repository mirror for Ubuntu 15.10 (wily),
apt-get install apt-mirror
apt-get install bozohttpd
grep ^www /etc/inetd.conf
netstat -an --inet --inet6 | grep LISTEN
cd /var/www/
mkdir ubuntu_mirror/
ln -s ubuntu_mirror/mirror/fr.archive.ubuntu.com/ubuntu
cd /etc/apt/
cp mirror.list mirror.list.dist
vi mirror.list
:%s/archive/fr.archive/g
set base_path /var/www/ubuntu_mirror 
set defaultarch amd64 
set nthreads 20
set limit_rate 40k 
deb-amd64 http://fr.archive.ubuntu.com/ubuntu wily main main/debian-installer restricted restricted/debian-installer universe multiverse
deb-amd64 http://fr.archive.ubuntu.com/ubuntu wily-security main restricted universe multiverse
deb-amd64 http://fr.archive.ubuntu.com/ubuntu wily-updates main restricted universe multiverse
clean http://fr.archive.ubuntu.com/ubuntu
cd /var/www/
apt-mirror
Refs.
http://askubuntu.com/questions/692364/how-to-limit-network-bandwidth-apt-mirror
https://serverfault.com/questions/88780/how-can-i-limit-the-bandwidth-of-apt-mirror
http://askubuntu.com/questions/500167/install-ubuntu-14-04-with-pxe-using-local-repository
 
Once the mirror is in place enable the cron job,
cd /etc/cron.daily/
vi custom_apt-mirror
#!/bin/sh
/usr/bin/apt-mirror
chmod +x custom_apt-mirror
 
Troubleshooting
If you get this error when the mirroring is done,
/bin/sh: 0: Can't open /var/www/ubuntu_mirror/var/postmirror.sh
create the postmirror script as shown below,
cd /var/www/ubuntu_mirror/var/
vi postmirror.sh
#!/bin/sh
/var/www/ubuntu_mirror/var/clean.sh
#rsync -avz --bwlimit=512 rsync://fr.archive.ubuntu.com/ubuntu/dists/wily/main/installer-amd64 /var/www/
rsync -avz --bwlimit=512 rsync://de.archive.ubuntu.com/ubuntu/dists/wily/main/installer-amd64 /var/www/
chmod +x postmirror.sh
Note. you cannot put installer-amd64 into the mirror otherwise it will get wiped out by clean.sh.
 
Refs.
https://github.com/apt-mirror/apt-mirror/blob/master/postmirror.sh
https://help.ubuntu.com/community/Rsyncmirror
 

(obsolete, see the new doc)