Install on Debian 10 (Buster)

Follow these steps to install zammad from the stable-5.3 channel.

Prerequisites

Installation Steps

1. Import the repository GPG key

sudo curl -fsSL "https://go.packager.io/srv/deb/zammad/zammad/gpg-key.gpg" \
  -o /usr/share/keyrings/zammad.gpg
Alternative: Using the ASCII-armored key (requires gnupg)

If you prefer to use the ASCII-armored key format or need to verify the key manually:

curl -fsSL "https://go.packager.io/srv/deb/zammad/zammad/gpg-key.asc" \
  | gpg --dearmor \
  | sudo tee /usr/share/keyrings/zammad.gpg > /dev/null

2. Download the repository configuration

sudo curl -fsSL \
  "https://go.packager.io/srv/zammad/zammad/stable-5.3/installer/debian/10.list" \
  -o /etc/apt/sources.list.d/zammad.list

Or using wget:

sudo wget \
  -O /etc/apt/sources.list.d/zammad.list \
  "https://go.packager.io/srv/zammad/zammad/stable-5.3/installer/debian/10.list"

3. Update package index

sudo apt update

4. Install packages

sudo apt install PACKAGE_NAME

Verification

Verify the repository is configured correctly:

apt-cache policy

Available packages

Package Version code Arch Size Built Format
zammad 5.3.1-1678778883.fac39f9a.buster amd64 131.2 MB 3 months ago .deb