Composer Package Manager
Horde 6 needs the Composer Package Manager.
Currently, composer 2.2 - 2.4 are supported.
Preferred: Get it via Phar.io Phive Installer
Install only for you as a normal user
phive install composer
OR
Install for all users as root into /usr/local/bin
phive install composer
See https://phar.io/#Install
Manual download
See https://getcomposer.org/download/ for instructions. Place the downloaded file in /usr/local/bin or another location in the search path and set the executable bit
OpenSUSE 15.4 and Tumbleweed
sudo zypper in php-composer2
Ubuntu 22.04 and up
sudo apt install composer
Fedora, RedHat, RHEL
See Phar.io Phive or manual download
Debian 11
See Mailing list:
sudo apt install composer