Aptitude install steam能装apt-get install steam就不能装？

新手园地
1

aptitude install steam能装apt-get install steam就不能装？aptitude和apt-get区别是什么？为什么装的steam也找不到也不能玩？

2

建议将相关的输出全部复制贴上来。

区别较多。主要区别是 aptitude 可针对复杂依赖冲突提出多种解决方案。但在不混源，不安装第三方软件包的情况下基本不会出现依赖问题。
其它区别参考
unix.stackexchange.com/questions/767/what-is-the-real-difference-between-apt-get-and-aptitude-how-about-wajig
debian-handbook.info/browse/stable/sect.apt-get.html
superuser.com/questions/93437/aptitude-vs-apt-get-which-is-the-recommended-aka-the-right-tool-to-use
askubuntu.com/questions/347898/whats-difference-of-apt-get-and-aptitude

debian 软件源中的 steam 包含 /usr/share/applications/steam.desktop，理论上会生成菜单项。若找不到相应的菜单项，可能原因为桌面环境的菜单系统一时有问题

3

steam 9.10 aptitude install steam也装不了steam了

cuthead@debian:~$ dpkg --add-architecture i386
dpkg: error: unable to create new file '/var/lib/dpkg/arch-new': Permission denied
cuthead@debian:~$ clear




















cuthead@debian:~$ su
Password: 
root@debian:/home/cuthead# dpkg --add-architecture i386
root@debian:/home/cuthead# apt update && apt upgrade
Ign:1 http://mirrors.163.com/debian stretch InRelease
Hit:2 http://mirrors.163.com/debian stretch Release
Reading package lists... Done
Building dependency tree       
Reading state information... Done
All packages are up to date.
Reading package lists... Done
Building dependency tree       
Reading state information... Done
Calculating upgrade... Done
0 upgraded, 0 newly installed, 0 to remove and 0 not upgraded.
root@debian:/home/cuthead# apt install steam
Reading package lists... Done
Building dependency tree       
Reading state information... Done
Some packages could not be installed. This may mean that you have
requested an impossible situation or if you are using the unstable
distribution that some required packages have not yet been created
or been moved out of Incoming.
The following information may help to resolve the situation:

The following packages have unmet dependencies:
 steam:i386 : Depends: libgl1-mesa-dri:i386 but it is not going to be installed
              Depends: libgl1-mesa-glx:i386 but it is not going to be installed
E: Unable to correct problems, you have held broken packages.
root@debian:/home/cuthead#

换成testing好了