Building templates without redownloading packages

prune · January 17, 2024, 1:08am

Can I build templates using qubes-builder without redownloading hundreds of packages every time I run make template?

I am creating Debian based templates.

apparatus · January 17, 2024, 3:59am

I don’t know if there is a built-in way to configure qubes-builder for this, but it should be possible to use apt cacher.

prune · January 18, 2024, 2:57am

I don’t think Fedora has that package.

apparatus · January 18, 2024, 3:08am

github.com

unman/notes/blob/master/apt-cacher-ng.md

# Using apt-cacher-ng as a caching proxy in Qubes.

## Why?
The standard tinyproxy is just a proxy. This ,means that as soon as you start to use more than a few templates you are wasting bandwidth (and time) in repeatedly downloading the same packages.  
Using a caching proxy saves on both.

## How?
apt-cacher-ng is a caching proxy with support for Debian based distros out of the box, as well as Arch.
It can be configured to support Fedora, Suse, Gentoo, and \*BSD

###  INSTALL 
Create a new Debian based template -  
`qvm-clone debian-11-minimal template-cacher`

In template-cacher install the software, by running as root:  
```
apt-get install qubes-core-agent-networking apt-cacher-ng 
systemctl mask apt-cacher-ng 
```
Shut down template-cacher.

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