![在 ubuntu 16 中安装 curl 时出错](https://linux22.com/image/913718/%E5%9C%A8%20ubuntu%2016%20%E4%B8%AD%E5%AE%89%E8%A3%85%20curl%20%E6%97%B6%E5%87%BA%E9%94%99.png)
$ sudo apt 安装 curl
Reading package lists... Done
Building dependency tree
Reading state information... Done
The following NEW packages will be installed:
curl
0 upgraded, 1 newly installed, 0 to remove and 3 not upgraded.
Need to get 139 kB of archives.
After this operation, 339 kB of additional disk space will be used.
Err:1 http://security.ubuntu.com/ubuntu xenial-security/main amd64 curl amd64 7.47.0-1ubuntu2.13
500 Internal Server Error
E: Failed to fetch http://security.ubuntu.com/ubuntu/pool/main/c/curl/curl_7.47.0-1ubuntu2.13_amd64.deb 500 Internal Server Error
E: Unable to fetch some archives, maybe run apt-get update or try with --fix-missing?