每当我运行必须连接到 archive.ubuntu.com 的命令时，该命令需要很长时间才能完成它的任务。
sudo apt install oracle-java8-installer -y
Reading package lists... Done
Building dependency tree
Reading state information... Done
The following additional packages will be installed:
gsfonts-x11 java-common oracle-java8-set-default
Suggested packages:
binfmt-support visualvm ttf-baekmuk | ttf-unfonts | ttf-unfonts-core ttf-kochi-gothic | ttf-sazanami-gothic ttf-kochi-mincho
| ttf-sazanami-mincho ttf-arphic-uming
The following NEW packages will be installed:
gsfonts-x11 java-common oracle-java8-installer oracle-java8-set-default
0 upgraded, 4 newly installed, 0 to remove and 29 not upgraded.
Need to get 54.7 kB of archives.
After this operation, 272 kB …