# Local APT Repository Server
###### tags: `apt`, `repository`
Two methods for local repository server.
1. Mirroring: a local APT repository server.
2. Caching: a local caching server for APT packages.
VM Specification:
```
Uubntu 20.04
1 vCPU
2GB RAM
300GB data disk (/dev/vdb)
Network IP 192.168.122.64
```
The APT packages size are incresing from time to time, it is over 250GB when setup it in my environment on 2022-10-10.
#### Steps to mirror apt repostory
Install Apache Web Server
```
root@lab-apt-repository:~# apt install -y apache2; systemctl enable apache2
```
Create package repository directory
```
root@lab-apt-repository:~# mkfs.ext4 /dev/vdb
root@lab-apt-repository:~# mkdir /var/www/html/ubuntu
root@lab-apt-repository:~# chown www-data:www-data /var/www/html/ubuntu/
root@lab-apt-repository:~# mount /dev/vdb /var/www/html/ubuntu/
```
Install apt-mirror
```
root@lab-apt-repository:~# apt install -y apt-mirror
```
Configure repositories to mirror or sync
```
root@lab-apt-repository:~# apt install -y apt-mirror
```
```
root@lab-apt-repository:~# sed -i 's/artful/focal/g' /etc/apt/mirror.list
root@lab-apt-repository:~# sed -i 's/\/var\/spool\/apt-mirror/\/var\/www\/html\/ubuntu/g' /etc/apt/mirror.list
```
```
root@lab-apt-repository:~# cat /etc/apt/mirror.list
############# config ##################
#
set base_path /var/www/html/ubuntu
#
# 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 http://archive.ubuntu.com/ubuntu focal main restricted universe multiverse
deb http://archive.ubuntu.com/ubuntu focal-security main restricted universe multiverse
deb http://archive.ubuntu.com/ubuntu focal-updates main restricted universe multiverse
#deb http://archive.ubuntu.com/ubuntu focal-proposed main restricted universe multiverse
#deb http://archive.ubuntu.com/ubuntu focal-backports main restricted universe multiverse
#deb-src http://archive.ubuntu.com/ubuntu focal main restricted universe multiverse
#deb-src http://archive.ubuntu.com/ubuntu focal-security main restricted universe multiverse
#deb-src http://archive.ubuntu.com/ubuntu focal-updates main restricted universe multiverse
#deb-src http://archive.ubuntu.com/ubuntu focal-proposed main restricted universe multiverse
#deb-src http://archive.ubuntu.com/ubuntu focal-backports main restricted universe multiverse
clean http://archive.ubuntu.com/ubuntu
```
*__NOTE__*: Here I comment out the deb-src to skip mirroring source packages. Source packages are needed if you need to complile packages yourself or inspect source code.
Copy postmirror script to the local repository directory
```
root@lab-apt-repository:~# mkdir -p /var/www/html/ubuntu/var
root@lab-apt-repository:~# cp -afpR /var/spool/apt-mirror/var/postmirror.sh /var/www/html/ubuntu/var/
```
Mirror the remote repositories to local repository directory
```
root@lab-apt-repository:~# apt-mirror
Downloading 114 index files using 20 threads...
Begin time: Sun Oct 9 15:49:52 2022
[20]... [19]... [18]... [17]... [16]... [15]... [14]... [13]... [12]... [11]... [10]... [9]... [8]... [7]... [6]... [5]... [4]... [3]... [2]... [1]... [0]...
End time: Sun Oct 9 15:50:55 2022
Processing translation indexes: [TTT]
Downloading 555 translation files using 20 threads...
Begin time: Sun Oct 9 15:50:55 2022
output omit...
```
After mirroring, it consume 257GB (2022-10-10)
```
root@lab-apt-repository:~# df -h | grep vdb
/dev/vdb 295G 257G 23G 92% /var/www/html/ubuntu
```
Create cnf script *cnf.sh* (Command Not Found, CNF)
```
#!/bin/bash
for p in "${1:-focal}"{,-{security,updates}}/{main,restricted,universe,multiverse}; do >&2
echo "${p}"
wget -q -c -r -np -R "index.html*" "http://archive.ubuntu.com/ubuntu/dists/${p}/cnf/Commands-amd64.xz"
wget -q -c -r -np -R "index.html*" "http://archive.ubuntu.com/ubuntu/dists/${p}/cnf/Commands-i386.xz"
done
```
```
root@lab-apt-repository:~# chmod +x ./cnf.sh
root@lab-apt-repository:~# ./cnf.sh
focal/main
focal/restricted
focal/universe
focal/multiverse
focal-security/main
focal-security/restricted
focal-security/universe
focal-security/multiverse
focal-updates/main
focal-updates/restricted
focal-updates/universe
focal-updates/multiverse
```
```
root@lab-apt-repository:~# cp -av ./archive.ubuntu.com /var/www/html/ubuntu/mirror/
'./archive.ubuntu.com/ubuntu/dists/focal/main/cnf' -> '/var/www/html/ubuntu/mirror/archive.ubuntu.com/ubuntu/dists/focal/main/cnf'
'./archive.ubuntu.com/ubuntu/dists/focal/main/cnf/Commands-amd64.xz' -> '/var/www/html/ubuntu/mirror/archive.ubuntu.com/ubuntu/dists/focal/main/cnf/Commands-amd64.xz'
'./archive.ubuntu.com/ubuntu/dists/focal/main/cnf/Commands-i386.xz' -> '/var/www/html/ubuntu/mirror/archive.ubuntu.com/ubuntu/dists/focal/main/cnf/Commands-i386.xz'
'./archive.ubuntu.com/ubuntu/dists/focal/restricted/cnf' -> '/var/www/html/ubuntu/mirror/archive.ubuntu.com/ubuntu/dists/focal/restricted/cnf'
'./archive.ubuntu.com/ubuntu/dists/focal/restricted/cnf/Commands-amd64.xz' -> '/var/www/html/ubuntu/mirror/archive.ubuntu.com/ubuntu/dists/focal/restricted/cnf/Commands-amd64.xz'
'./archive.ubuntu.com/ubuntu/dists/focal/restricted/cnf/Commands-i386.xz' -> '/var/www/html/ubuntu/mirror/archive.ubuntu.com/ubuntu/dists/focal/restricted/cnf/Commands-i386.xz'
'./archive.ubuntu.com/ubuntu/dists/focal/universe/cnf' -> '/var/www/html/ubuntu/mirror/archive.ubuntu.com/ubuntu/dists/focal/universe/cnf'
'./archive.ubuntu.com/ubuntu/dists/focal/universe/cnf/Commands-amd64.xz' -> '/var/www/html/ubuntu/mirror/archive.ubuntu.com/ubuntu/dists/focal/universe/cnf/Commands-amd64.xz'
'./archive.ubuntu.com/ubuntu/dists/focal/universe/cnf/Commands-i386.xz' -> '/var/www/html/ubuntu/mirror/archive.ubuntu.com/ubuntu/dists/focal/universe/cnf/Commands-i386.xz'
'./archive.ubuntu.com/ubuntu/dists/focal/multiverse/cnf' -> '/var/www/html/ubuntu/mirror/archive.ubuntu.com/ubuntu/dists/focal/multiverse/cnf'
'./archive.ubuntu.com/ubuntu/dists/focal/multiverse/cnf/Commands-amd64.xz' -> '/var/www/html/ubuntu/mirror/archive.ubuntu.com/ubuntu/dists/focal/multiverse/cnf/Commands-amd64.xz'
'./archive.ubuntu.com/ubuntu/dists/focal/multiverse/cnf/Commands-i386.xz' -> '/var/www/html/ubuntu/mirror/archive.ubuntu.com/ubuntu/dists/focal/multiverse/cnf/Commands-i386.xz'
'./archive.ubuntu.com/ubuntu/dists/focal-security/main/cnf' -> '/var/www/html/ubuntu/mirror/archive.ubuntu.com/ubuntu/dists/focal-security/main/cnf'
'./archive.ubuntu.com/ubuntu/dists/focal-security/main/cnf/Commands-amd64.xz' -> '/var/www/html/ubuntu/mirror/archive.ubuntu.com/ubuntu/dists/focal-security/main/cnf/Commands-amd64.xz'
'./archive.ubuntu.com/ubuntu/dists/focal-security/main/cnf/Commands-i386.xz' -> '/var/www/html/ubuntu/mirror/archive.ubuntu.com/ubuntu/dists/focal-security/main/cnf/Commands-i386.xz'
'./archive.ubuntu.com/ubuntu/dists/focal-security/restricted/cnf' -> '/var/www/html/ubuntu/mirror/archive.ubuntu.com/ubuntu/dists/focal-security/restricted/cnf'
'./archive.ubuntu.com/ubuntu/dists/focal-security/restricted/cnf/Commands-amd64.xz' -> '/var/www/html/ubuntu/mirror/archive.ubuntu.com/ubuntu/dists/focal-security/restricted/cnf/Commands-amd64.xz'
'./archive.ubuntu.com/ubuntu/dists/focal-security/restricted/cnf/Commands-i386.xz' -> '/var/www/html/ubuntu/mirror/archive.ubuntu.com/ubuntu/dists/focal-security/restricted/cnf/Commands-i386.xz'
'./archive.ubuntu.com/ubuntu/dists/focal-security/universe/cnf' -> '/var/www/html/ubuntu/mirror/archive.ubuntu.com/ubuntu/dists/focal-security/universe/cnf'
'./archive.ubuntu.com/ubuntu/dists/focal-security/universe/cnf/Commands-amd64.xz' -> '/var/www/html/ubuntu/mirror/archive.ubuntu.com/ubuntu/dists/focal-security/universe/cnf/Commands-amd64.xz'
'./archive.ubuntu.com/ubuntu/dists/focal-security/universe/cnf/Commands-i386.xz' -> '/var/www/html/ubuntu/mirror/archive.ubuntu.com/ubuntu/dists/focal-security/universe/cnf/Commands-i386.xz'
'./archive.ubuntu.com/ubuntu/dists/focal-security/multiverse/cnf' -> '/var/www/html/ubuntu/mirror/archive.ubuntu.com/ubuntu/dists/focal-security/multiverse/cnf'
'./archive.ubuntu.com/ubuntu/dists/focal-security/multiverse/cnf/Commands-amd64.xz' -> '/var/www/html/ubuntu/mirror/archive.ubuntu.com/ubuntu/dists/focal-security/multiverse/cnf/Commands-amd64.xz'
'./archive.ubuntu.com/ubuntu/dists/focal-security/multiverse/cnf/Commands-i386.xz' -> '/var/www/html/ubuntu/mirror/archive.ubuntu.com/ubuntu/dists/focal-security/multiverse/cnf/Commands-i386.xz'
'./archive.ubuntu.com/ubuntu/dists/focal-updates/main/cnf' -> '/var/www/html/ubuntu/mirror/archive.ubuntu.com/ubuntu/dists/focal-updates/main/cnf'
'./archive.ubuntu.com/ubuntu/dists/focal-updates/main/cnf/Commands-amd64.xz' -> '/var/www/html/ubuntu/mirror/archive.ubuntu.com/ubuntu/dists/focal-updates/main/cnf/Commands-amd64.xz'
'./archive.ubuntu.com/ubuntu/dists/focal-updates/main/cnf/Commands-i386.xz' -> '/var/www/html/ubuntu/mirror/archive.ubuntu.com/ubuntu/dists/focal-updates/main/cnf/Commands-i386.xz'
'./archive.ubuntu.com/ubuntu/dists/focal-updates/restricted/cnf' -> '/var/www/html/ubuntu/mirror/archive.ubuntu.com/ubuntu/dists/focal-updates/restricted/cnf'
'./archive.ubuntu.com/ubuntu/dists/focal-updates/restricted/cnf/Commands-amd64.xz' -> '/var/www/html/ubuntu/mirror/archive.ubuntu.com/ubuntu/dists/focal-updates/restricted/cnf/Commands-amd64.xz'
'./archive.ubuntu.com/ubuntu/dists/focal-updates/restricted/cnf/Commands-i386.xz' -> '/var/www/html/ubuntu/mirror/archive.ubuntu.com/ubuntu/dists/focal-updates/restricted/cnf/Commands-i386.xz'
'./archive.ubuntu.com/ubuntu/dists/focal-updates/universe/cnf' -> '/var/www/html/ubuntu/mirror/archive.ubuntu.com/ubuntu/dists/focal-updates/universe/cnf'
'./archive.ubuntu.com/ubuntu/dists/focal-updates/universe/cnf/Commands-amd64.xz' -> '/var/www/html/ubuntu/mirror/archive.ubuntu.com/ubuntu/dists/focal-updates/universe/cnf/Commands-amd64.xz'
'./archive.ubuntu.com/ubuntu/dists/focal-updates/universe/cnf/Commands-i386.xz' -> '/var/www/html/ubuntu/mirror/archive.ubuntu.com/ubuntu/dists/focal-updates/universe/cnf/Commands-i386.xz'
'./archive.ubuntu.com/ubuntu/dists/focal-updates/multiverse/cnf' -> '/var/www/html/ubuntu/mirror/archive.ubuntu.com/ubuntu/dists/focal-updates/multiverse/cnf'
'./archive.ubuntu.com/ubuntu/dists/focal-updates/multiverse/cnf/Commands-amd64.xz' -> '/var/www/html/ubuntu/mirror/archive.ubuntu.com/ubuntu/dists/focal-updates/multiverse/cnf/Commands-amd64.xz'
'./archive.ubuntu.com/ubuntu/dists/focal-updates/multiverse/cnf/Commands-i386.xz' -> '/var/www/html/ubuntu/mirror/archive.ubuntu.com/ubuntu/dists/focal-updates/multiverse/cnf/Commands-i386.xz'
```
*__NOTE__*: This step is due to a bug https://bugs.launchpad.net/ubuntu/+source/debmirror/+bug/1821251
Allow http port 80
```
root@lab-apt-repository:~# ufw allow 80
Rules updated
Rules updated (v6)
```
Access local APT repository via web browser
Test local APT repository
```
root@lab-test:/etc/apt# cp ./sources.list sources.list.bak
root@lab-test:/etc/apt# cat sources.list.bak | grep -v "^#" | grep deb | sed 's/au.archive.ubuntu.com/192.168.122.64\/ubuntu\/mirror\/archive.ubuntu.com/g' > ./sources.list
root@lab-test:/etc/apt# sed -i '/focal-backports/s/^/#/' ./sources.list
root@lab-test:/etc/apt# cat sources.list
deb http://192.168.122.64/ubuntu/mirror/archive.ubuntu.com/ubuntu focal main restricted
deb http://192.168.122.64/ubuntu/mirror/archive.ubuntu.com/ubuntu focal-updates main restricted
deb http://192.168.122.64/ubuntu/mirror/archive.ubuntu.com/ubuntu focal universe
deb http://192.168.122.64/ubuntu/mirror/archive.ubuntu.com/ubuntu focal-updates universe
deb http://192.168.122.64/ubuntu/mirror/archive.ubuntu.com/ubuntu focal multiverse
deb http://192.168.122.64/ubuntu/mirror/archive.ubuntu.com/ubuntu focal-updates multiverse
#deb http://192.168.122.64/ubuntu/mirror/archive.ubuntu.com/ubuntu focal-backports main restricted universe multiverse
deb http://192.168.122.64/ubuntu/mirror/archive.ubuntu.com/ubuntu focal-security main restricted
deb http://192.168.122.64/ubuntu/mirror/archive.ubuntu.com/ubuntu focal-security universe
deb http://192.168.122.64/ubuntu/mirror/archive.ubuntu.com/ubuntu focal-security multiverse
```
*__NOTE__*: comment out the "focal-backports" because it is not mirrored.
```
root@lab-test:/etc/apt# apt update
root@lab-test:/etc/apt# apt list --upgradable
Listing... Done
isc-dhcp-client/focal-updates,focal-security 4.4.1-2.1ubuntu5.20.04.4 amd64 [upgradable from: 4.4.1-2.1ubuntu5.20.04.3]
isc-dhcp-common/focal-updates,focal-security 4.4.1-2.1ubuntu5.20.04.4 amd64 [upgradable from: 4.4.1-2.1ubuntu5.20.04.3]
linux-generic/focal-updates 5.4.0.128.129 amd64 [upgradable from: 5.4.0.126.127]
linux-headers-generic/focal-updates 5.4.0.128.129 amd64 [upgradable from: 5.4.0.126.127]
linux-image-generic/focal-updates 5.4.0.128.129 amd64 [upgradable from: 5.4.0.126.127]
linux-libc-dev/focal-updates 5.4.0-128.144 amd64 [upgradable from: 5.4.0-126.142]
ubuntu-advantage-tools/focal-updates 27.11.2~20.04.1 amd64 [upgradable from: 27.10.1~20.04.1]
zlib1g/focal-updates 1:1.2.11.dfsg-2ubuntu1.4 amd64 [upgradable from: 1:1.2.11.dfsg-2ubuntu1.3]
root@lab-test:/etc/apt# apt install python3-openstackclient
Reading package lists... Done
Building dependency tree
Reading state information... Done
The following additional packages will be installed:
output omit...
0 upgraded, 68 newly installed, 0 to remove and 8 not upgraded.
Need to get 13.1 MB of archives.
After this operation, 76.2 MB of additional disk space will be used.
Do you want to continue? [Y/n] y
Get:1 http://192.168.122.64/ubuntu/mirror/archive.ubuntu.com/ubuntu focal/main amd64 python3-pyparsing all 2.4.6-1 [61.3 kB]
Get:2 http://192.168.122.64/ubuntu/mirror/archive.ubuntu.com/ubuntu focal/main amd64 python3-pyperclip all 1.7.0-1 [10.5 kB]
Get:3 http://192.168.122.64/ubuntu/mirror/archive.ubuntu.com/ubuntu focal/main amd64 python3-wcwidth all 0.1.8+dfsg1-3 [17.4 kB]
output omit...
Setting up python3-cliff (3.1.0-0ubuntu1) ...
Setting up python3-oslo.config (1:8.0.2-0ubuntu1) ...
Setting up python3-keystoneclient (1:4.0.0-0ubuntu1) ...
Setting up python3-osc-lib (2.0.0-0ubuntu1) ...
Setting up python3-oslo.log (4.1.1-0ubuntu1) ...
Setting up python3-openstackclient (5.2.0-0ubuntu1.20.04.1) ...
root@lab-test:/etc/apt# openstack --version
openstack 5.2.0
```
#### set cront job to sync daily.
For example
```
root@lab-apt-repository:~# crontab -e
00 01 * * * /usr/bin/apt-mirror >> /var/log/apt/apt-mirror.log
```
#### Troubleshooting
apt-mirror fail with error
```
Failed to open Release file from http://archive.ubuntu.com/ubuntu/dists/artful/Release at /usr/bin/apt-mirror line 507
```
```
apt-mirror: can't open index archive.ubuntu.com/ubuntu//dists/artful/main/source/Sources in process_index at /usr/bin/apt-mirror line 800.
```
This is because the apt-mirror package version (0.5.4-1) was built with Artful (Ubuntu 17.10).
```
root@lab-apt-repository:~# apt install apt-mirror
Reading package lists... Done
Building dependency tree
Reading state information... Done
apt-mirror is already the newest version (0.5.4-1).
```
https://www.mail-archive.com/ubuntu-bugs@lists.ubuntu.com/msg5616342.html
https://bugs.launchpad.net/ubuntu/+source/apt-mirror/0.5.4-1
update the /etc/apt/mirror.list
```
root@lab-apt-repository:~# sed -i 's/artful/focal/g' /etc/apt/mirror.list
```
#### APT Caching Server
Install apt-cacher-ng
```
root@lab-apt-repository:~# apt install apt-cacher-ng -y
```
*__NOTE__*: select No when asked allow HTTP tunnels through Apt-Cacher NG.
*__NOTE__*: keep default configuration (/etc/apt-cacher-ng/acng.conf)
```
root@lab-apt-repository:~# systemctl status apt-cacher-ng
● apt-cacher-ng.service - Apt-Cacher NG software download proxy
Loaded: loaded (/lib/systemd/system/apt-cacher-ng.service; enabled; vendor preset: enabled)
Active: active (running) since Thu 2022-10-13 00:32:46 AEDT; 2min 11s ago
Main PID: 29460 (apt-cacher-ng)
Tasks: 1 (limit: 2273)
Memory: 2.0M
CGroup: /system.slice/apt-cacher-ng.service
└─29460 /usr/sbin/apt-cacher-ng -c /etc/apt-cacher-ng ForeGround=1
Oct 13 00:32:46 lab-apt-repository systemd[1]: Starting Apt-Cacher NG software download proxy...
Oct 13 00:32:46 lab-apt-repository systemd[1]: Started Apt-Cacher NG software download proxy.
```
```
root@lab-apt-repository:~# systemctl enable apt-cacher-ng
Synchronizing state of apt-cacher-ng.service with SysV service script with /lib/systemd/systemd-sysv-install.
Executing: /lib/systemd/systemd-sysv-install enable apt-cacher-ng
```
The cacher server is listening port 3142
```
root@lab-apt-repository:~# netstat -antp | grep LISTEN
tcp 0 0 0.0.0.0:3142 0.0.0.0:* LISTEN 29460/apt-cacher-ng
tcp 0 0 0.0.0.0:80 0.0.0.0:* LISTEN 4415/apache2
tcp 0 0 127.0.0.53:53 0.0.0.0:* LISTEN 571/systemd-resolve
tcp 0 0 0.0.0.0:22 0.0.0.0:* LISTEN 636/sshd: /usr/sbin
tcp6 0 0 :::3142 :::* LISTEN 29460/apt-cacher-ng
tcp6 0 0 :::22 :::* LISTEN 636/sshd: /usr/sbin
```
This is path which store cached packages
```
root@lab-apt-repository:~# tree /var/cache/apt-cacher-ng/
/var/cache/apt-cacher-ng/
└── _xstore
├── qstats
│ ├── i
│ └── o
└── rsnap
5 directories, 0 files
```
Verify the APT Cache Server *http://192.168.122.64:3142/acng-report.html*
To test APT caching server, create apt proxy configuration file */etc/apt/apt.conf.d/00aptproxy* on a Ubuntu client.
```
root@lab-test:/etc/apt/apt.conf.d# cat 00aptproxy
Acquire::http::Proxy "http://192.168.122.64:3142";
```
Install nginx on the client.
```
root@lab-test:/etc/apt/apt.conf.d# apt install nginx -y
```
Check APT Cache Server
```
root@lab-apt-repository:~# tree /var/cache/apt-cacher-ng/
/var/cache/apt-cacher-ng/
├── 192.168.122.64
│ └── ubuntu
│ └── mirror
│ └── archive.ubuntu.com
│ └── ubuntu
│ └── pool
│ └── main
│ ├── f
│ │ ├── fontconfig
│ │ │ ├── fontconfig-config_2.13.1-2ubuntu3_all.deb
│ │ │ ├── fontconfig-config_2.13.1-2ubuntu3_all.deb.head
│ │ │ ├── libfontconfig1_2.13.1-2ubuntu3_amd64.deb
│ │ │ └── libfontconfig1_2.13.1-2ubuntu3_amd64.deb.head
│ │ └── fonts-dejavu
│ │ ├── fonts-dejavu-core_2.37-1_all.deb
│ │ └── fonts-dejavu-core_2.37-1_all.deb.head
│ ├── libg
│ │ └── libgd2
│ │ ├── libgd3_2.2.5-5.2ubuntu2.1_amd64.deb
│ │ └── libgd3_2.2.5-5.2ubuntu2.1_amd64.deb.head
│ ├── libx
│ │ └── libxpm
│ │ ├── libxpm4_3.5.12-1_amd64.deb
│ │ └── libxpm4_3.5.12-1_amd64.deb.head
│ └── n
│ └── nginx
│ ├── libnginx-mod-http-image-filter_1.18.0-0ubuntu1.3_amd64.deb
│ ├── libnginx-mod-http-image-filter_1.18.0-0ubuntu1.3_amd64.deb.head
│ ├── libnginx-mod-http-xslt-filter_1.18.0-0ubuntu1.3_amd64.deb
│ ├── libnginx-mod-http-xslt-filter_1.18.0-0ubuntu1.3_amd64.deb.head
│ ├── libnginx-mod-mail_1.18.0-0ubuntu1.3_amd64.deb
│ ├── libnginx-mod-mail_1.18.0-0ubuntu1.3_amd64.deb.head
│ ├── libnginx-mod-stream_1.18.0-0ubuntu1.3_amd64.deb
│ ├── libnginx-mod-stream_1.18.0-0ubuntu1.3_amd64.deb.head
│ ├── nginx_1.18.0-0ubuntu1.3_all.deb
│ ├── nginx_1.18.0-0ubuntu1.3_all.deb.head
│ ├── nginx-common_1.18.0-0ubuntu1.3_all.deb
│ ├── nginx-common_1.18.0-0ubuntu1.3_all.deb.head
│ ├── nginx-core_1.18.0-0ubuntu1.3_amd64.deb
│ └── nginx-core_1.18.0-0ubuntu1.3_amd64.deb.head
└── _xstore
├── qstats
│ ├── i
│ └── o
└── rsnap
```
*__NOTE__*: To clean cache
```
$ systemctl apt-cacher-ng stop
$ rm -rf /var/cache/apt-cacher-ng/
$ systemctl apt-cacher-ng start
```
Or via the web UI
*__NOTE__*: Set Access Control to the cache server, for example:
Deny specifc hosts and subnet, */etc/hosts.deny*
```
apt-cacher-ng: 192.168.122.10 192.168.122.11 192.168.122.12
```
Block all local traffic from 192.168.122.0/24 except 192.168.122.10
In */etc/hosts.allow*
```
apt-cacher-ng: 192.168.122.10
```
In */etc/hosts.deny*
```
apt-cacher-ng: 192.168.122.0/24
```
#### Reference
Ubuntu 20.04
- https://www.linuxtechi.com/setup-local-apt-repository-server-ubuntu/
- https://sandeeprao.net/setup-ubuntu-20-04-repository-mirror-server/
- https://bugs.launchpad.net/ubuntu/+source/debmirror/+bug/1821251
- https://www.xmodulo.com/apt-caching-server-ubuntu-debian.html
CentOS
- https://www.server-world.info/en/note?os=CentOS_Stream_9&p=localrepo
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