lua module 'ltn12' not found 问题解决

[root@localhost resty]# lua client.lua

lua: client.lua:12: module 'ltn12' not found:

no field package.preload['ltn12']

no file './ltn12.lua'

no file '/usr/local/share/lua/5.1/ltn12.lua'

no file '/usr/local/share/lua/5.1/ltn12/init.lua'

no file '/usr/local/lib/lua/5.1/ltn12.lua'

no file '/usr/local/lib/lua/5.1/ltn12/init.lua'

no file './ltn12.so'

no file '/usr/local/lib/lua/5.1/ltn12.so'

no file '/usr/local/lib/lua/5.1/loadall.so'

stack traceback:

[C]: in function 'require'

client.lua:12: in main chunk

[C]: ?

这个小问题 需要安装
luasocket-2.0.2.tar.gz 这个库就OK了。