各服务状态查询

nginx

# 状态查询
systemctl status nginx.service
# 重启
cd /usr/local/webserver/nginx/sbin
./nginx -s reload 

redis

# 状态查询
systemctl status redis.service
# 重启
systemctl restart nginx.service　

mongodb

# 状态查询
systemctl status mongodb.service
# 重启
/usr/local/webserver/mongodb/bin/mongod --config /usr/local/webserver/mongodb/bin/mongodb.conf

node版本查询

node -v