사전 준비 사항

git 1.8 과 python 2.7 이상 설치

1. 저장소 다운로드 및 설치

   CentOS 6

   rpm -ivh https://centos6.iuscommunity.org/ius-release.rpm

2. 의존 패키지 설치

   yum install  git python27 python27-devel python27-pip python27-setuptools python27-virtualenv python27-libs

SSL 발급 & 웹 서버 적용

1. 저장소 복제

   git clone https://github.com/letsencrypt/letsencrypt cd letsencrypt

2. 인증서 발급

   ./letsencrypt-auto certonly --webroot --email your@email --agree-tos \ -w /your/web/root/directory1 -d your.domain1 \ -w /your/web/root/directory2 -d your.domain2 \ -w /your/web/root/directory3 -d your.domain3

   1. 기본 옵션

      1. (default) run  Obtain & install a certificate in your current webserver

      2. certonly         Obtain or renew a certificate, but do not install it

      3. renew             Renew all previously obtained certificates that are near

   2. --webroot         Place files in a server's webroot folder for authentication

   3.  --agree-tos       Agree to the ACME server's Subscriber Agreement

   4. --dry-run           Test "renew" or "certonly" without saving any certificates to disk

nginx 플러그인 사용해서 갱신

cron 연동

3개월 만료이므로 자동으로 갱신하도록 cron 에 등록