sshd: no hostkeys available -- exiting

/etc/ssh/目录下缺少证书文件 ssh_host_rsa_key ssh_host_dsa_key ssh_host_ecdsa_key

ssh-keygen -A

vi: symbol lookup error: /usr/lib/x86_64-linux-gnu/libpython3.6m.so.1.0: undefined symbol: XML_SetHashSalt

vim: error while loading shared libraries: libpython3.6m.so.1.0: cannot open shared object file: No such file or directory vim: symbol lookup error: /usr/lib/x86_64-linux-gnu/libpython3.6m.so.1.0: undefined symbol: XML_SetHashSalt

export LD_LIBRARY_PATH=/lib:$HOME/lib:/lib/x86_64-linux-gnu:/usr/lib
source /etc/profile