Ubuntu aarch64环境下安装i386包及SteamCMD的问题求助

各位大佬好，我正在我的Ubuntu aarch64架构VPS上尝试安装SteamCMD。按照常规步骤我先执行了sudo dpkg --add-architecture i386添加i386架构，之后运行更新命令时却出现了错误，现在完全找不到在aarch64架构上安装SteamCMD的可行方法，希望有人能帮我解决这个问题！

我的系统信息： #

• 系统版本：Ubuntu 22.04.1
• 内核版本：5.15.0-1018-oracle aarch64 GNU/Linux
• 架构状态：

  ~$ sudo dpkg --print-foreign-architectures
  i386
  ~$ sudo dpkg --print-architecture
  arm64
  

当前的APT源配置（/etc/apt/sources.list）： #

## Note, this file is written by cloud-init on first boot of an instance
## modifications made here will not survive a re-bundle.
## if you wish to make changes you can:
## a.) add 'apt_preserve_sources_list: true' to /etc/cloud/cloud.cfg
##     or do the same in user-data
## b.) add sources in /etc/apt/sources.list.d
## c.) make changes to template file /etc/cloud/templates/sources.list.tmpl

# See http://help.ubuntu.com/community/UpgradeNotes for how to upgrade to
# newer versions of the distribution.
deb http://eu-marseille-1-ad-1.clouds.ports.ubuntu.com/ubuntu-ports/ jammy main restricted
# deb-src http://eu-marseille-1-ad-1.clouds.ports.ubuntu.com/ubuntu-ports/ jammy main restricted

## Major bug fix updates produced after the final release of the
## distribution.
deb http://eu-marseille-1-ad-1.clouds.ports.ubuntu.com/ubuntu-ports/ jammy-updates main restricted
# deb-src http://eu-marseille-1-ad-1.clouds.ports.ubuntu.com/ubuntu-ports/ jammy-updates main restricted

## N.B. software from this repository is ENTIRELY UNSUPPORTED by the Ubuntu
## team. Also, please note that software in universe WILL NOT receive any
## review or updates from the Ubuntu security team.
deb http://eu-marseille-1-ad-1.clouds.ports.ubuntu.com/ubuntu-ports/ jammy universe
# deb-src http://eu-marseille-1-ad-1.clouds.ports.ubuntu.com/ubuntu-ports/ jammy universe
deb http://eu-marseille-1-ad-1.clouds.ports.ubuntu.com/ubuntu-ports/ jammy-updates universe
# deb-src http://eu-marseille-1-ad-1.clouds.ports.ubuntu.com/ubuntu-ports/ jammy-updates universe

## N.B. software from this repository is ENTIRELY UNSUPPORTED by the Ubuntu
## team, and may not be under a free licence. Please satisfy yourself as to
## your rights to use the software. Also, please note that software in
## multiverse WILL NOT receive any review or updates from the Ubuntu
## security team.
deb http://eu-marseille-1-ad-1.clouds.ports.ubuntu.com/ubuntu-ports/ jammy multiverse
# deb-src http://eu-marseille-1-ad-1.clouds.ports.ubuntu.com/ubuntu-ports/ jammy multiverse
deb http://eu-marseille-1-ad-1.clouds.ports.ubuntu.com/ubuntu-ports/ jammy-updates multiverse
# deb-src http://eu-marseille-1-ad-1.clouds.ports.ubuntu.com/ubuntu-ports/ jammy-updates multiverse

## N.B. software from this repository may not have been tested as
## extensively as that contained in the main release, although it includes
## newer versions of some applications which may provide useful features.
## Also, please note that software in backports WILL NOT receive any review
## or updates from the Ubuntu security team.
deb http://eu-marseille-1-ad-1.clouds.ports.ubuntu.com/ubuntu-ports/ jammy-backports main restricted universe multiverse
# deb-src http://eu-marseille-1-ad-1.clouds.ports.ubuntu.com/ubuntu-ports/ jammy-backports main restricted universe multiverse

deb http://ports.ubuntu.com/ubuntu-ports jammy-security main restricted
# deb-src http://ports.ubuntu.com/ubuntu-ports jammy-security main restricted
deb http://ports.ubuntu.com/ubuntu-ports jammy-security universe
# deb-src http://ports.ubuntu.com/ubuntu-ports jammy-security universe
deb http://ports.ubuntu.com/ubuntu-ports jammy-security multiverse
# deb-src http://ports.ubuntu.com/ubuntu-ports jammy-security multiverse

再次感谢大家的帮忙！

备注：内容来源于stack exchange，提问作者sinjed