linux gitlab-ctl reconfigure报错问题修复 502

Running handlers:
There was an error running gitlab-ctl reconfigure:

bash[migrate gitlab-rails database] (gitlab::database_migrations line ) had an error: Mixlib::ShellOut::ShellCommandFailed: Expected process to exit with [], but received ''
---- Begin output of "bash"  "/tmp/chef-script20190308-65247-12ck9rp" ----
STDOUT: rake aborted!
PG::ConnectionBad: could not connect to server: No such file or directory
 Is the server running locally and accepting
 connections on Unix domain socket "/var/opt/gitlab/postgresql/.s.PGSQL.5432"?
/opt/gitlab/embedded/service/gitlab-rails/lib/tasks/gitlab/db.rake::in `block ( levels) in <top (required)>'
/opt/gitlab/embedded/bin/bundle:23:in `load'
/opt/gitlab/embedded/bin/bundle::in `<main>'
Tasks: TOP => gitlab:db:configure
(See full trace by running task with --trace)
STDERR:
---- End output of "bash"  "/tmp/chef-script20190308-65247-12ck9rp" ----
Ran "bash"  "/tmp/chef-script20190308-65247-12ck9rp" returned 1

sudo gitlab-ctl start # 启动所有 gitlab 组件；
sudo gitlab-ctl stop # 停止所有 gitlab 组件；
sudo gitlab-ctl restart # 重启所有 gitlab 组件；
sudo gitlab-ctl status # 查看服务状态；
sudo gitlab-ctl reconfigure # 启动服务；
sudo vim /etc/gitlab/gitlab.rb # 修改默认的配置文件；
gitlab-rake gitlab:check SANITIZE=true --trace # 检查gitlab；
sudo gitlab-ctl tail # 查看日志；