sed -i ‘s#^deb http://httpupdate.cpanel.net/ea4-u20-mirrorlist \./#deb [arch=amd64] http://httpupdate.cpanel.net/ea4/ea4-ubuntu-focal/ ./#’ /etc/apt/sources.list.d/EA4.list apt-get clean rm -rf /var/lib/apt/lists/* apt-get update -o Acquire::Retries=5