bin/cpp-4.4 100 7.update-alternatives --install /usr/bin/cpp cpp-bin /usr/bin/cpp
\u5b8c\u6210 \u5c06\u4f1a\u540c\u65f6\u5b89\u88c5\u4e0b\u5217\u8f6f\u4ef6\uff1a cpp-5 g++-5 404 Not Found \u9519\u8bef:14 http://mirrors.cloud.aliyuncs.com/ubuntu xenial-updates/main amd64 cpp \u5b8c\u6210 \u5c06\u4f1a\u540c\u65f6\u5b89\u88c5\u4e0b\u5217\u8f6f\u4ef6\uff1a cpp-5 g++-5 \u6b63\u5728\u5c06 cpp-5 (5.4.0-6ubuntu1~16.04.12) \u89e3\u5305\u5230 (5.4.0-6ubuntu1~16.04.9) \u4e0a \u6b63\u5728\u8bbe\u7f6e cpp-5 (5.4.0-6ubuntu1~16.04.12) ...
cloud-initramfs-copymods cloud-initramfs-dyn-netconf console-setup console-setup-linux coreutils cpp
Unpacking cpp-5 (5.4.0-6ubuntu1~16.04.12) ... Selecting previously unselected package cpp. Setting up cpp-5 (5.4.0-6ubuntu1~16.04.12) ... Setting up cpp (4:5.3.1-1ubuntu1) ...
packages will be installed: ant-optional bind9-host binutils ca-certificates-java comerr-dev cpp cpp installed: ant ant-optional apt-utils bind9-host binutils ca-certificates-java ccache comerr-dev cpp cpp libisl15 amd64 0.16.1-1 [524 kB] Get:107 http://archive.ubuntu.com/ubuntu xenial-updates/main amd64 cpp Unpacking cpp-5 (5.4.0-6ubuntu1~16.04.12) ... Selecting previously unselected package cpp. Setting up cpp-5 (5.4.0-6ubuntu1~16.04.12) ... Setting up cpp (4:5.3.1-1ubuntu1) ...