dpkg --remove-architecture i386 する方法
手順
sudo apt-get remove --purge `dpkg --get-selections | grep i386 | awk '{print $1}'` sudo dpkg --remove-architecture i386
参考文献
package management - How to disable multiarch support? - Ask Ubuntu
sudo apt-get remove --purge `dpkg --get-selections | grep i386 | awk '{print $1}'` sudo dpkg --remove-architecture i386
package management - How to disable multiarch support? - Ask Ubuntu