gem ssl verification error

3연타 에러... ㅋㅋㅋㅋㅋ

gem은 아래와 같이 해결 가능하다.

오류가 뜨긴 하는데 설치 됨.

wyv3rn:~$ sudo gem install one_gadget --source http://rubygems.org
ERROR:  SSL verification error at depth 1: self-signed certificate in certificate chain (19)
ERROR:  Root certificate is not trusted (/C=KR/ST=Seoul/L=Guro/O=MonitorApp Corporation/OU=MonitorApp AISWG/CN=MonitorApp Root Certificate Authority (AISWG))
ERROR:  SSL verification error at depth 1: self-signed certificate in certificate chain (19)
ERROR:  Root certificate is not trusted (/C=KR/ST=Seoul/L=Guro/O=MonitorApp Corporation/OU=MonitorApp AISWG/CN=MonitorApp Root Certificate Authority (AISWG))
ERROR:  SSL verification error at depth 1: self-signed certificate in certificate chain (19)
ERROR:  Root certificate is not trusted (/C=KR/ST=Seoul/L=Guro/O=MonitorApp Corporation/OU=MonitorApp AISWG/CN=MonitorApp Root Certificate Authority (AISWG))
ERROR:  SSL verification error at depth 1: self-signed certificate in certificate chain (19)
ERROR:  Root certificate is not trusted (/C=KR/ST=Seoul/L=Guro/O=MonitorApp Corporation/OU=MonitorApp AISWG/CN=MonitorApp Root Certificate Authority (AISWG))
Fetching bindata-2.4.15.gem
Fetching elftools-1.1.3.gem
Fetching one_gadget-1.8.1.gem
Successfully installed bindata-2.4.15
Successfully installed elftools-1.1.3
Successfully installed one_gadget-1.8.1
Parsing documentation for bindata-2.4.15
Installing ri documentation for bindata-2.4.15
Parsing documentation for elftools-1.1.3
Installing ri documentation for elftools-1.1.3
Parsing documentation for one_gadget-1.8.1
Installing ri documentation for one_gadget-1.8.1
Done installing documentation for bindata, elftools, one_gadget after 3 seconds
WARNING:  Unable to pull data from 'https://rubygems.org/': SSL_connect returned=1 errno=0 peeraddr=151.101.65.227:443 state=error: certificate verify failed (self-signed certificate in certificate chain) (https://rubygems.org/specs.4.8.gz)
3 gems installed

 

만일 그래도 안되면 

wyv3rn:~$ vi ~/.gemrc

파일에

:ssl_verify_mode: 0

한줄만 추가하자.