line 73 将 jobeet.local 改为 jobeet.local.config

在 /etc/apache2/apache2.conf 中默认有只读 .conf 文件的设置
# Include generic snippets of statements
IncludeOptional conf-enabled/*.conf

应此执行 sudo a2ensite jobeet.local 是由于没有找到配置文件，会出现 ERROR: Site jobeet.local does not exist! 错误
Merge pull request #1 from GIPanda/patch-1

修改 chapter-01.md  jobeet.local 改为 jobeet.local.config