systemd-demo

a systemd demo project , write by golang ,a web servoice return current time string.

How to install it

it will build main.go , and create now.service in /lib/systemd/system/now.service

sudo bash install.sh

How to run it

after install now.service

systemctl start now.service

hellojukay@local systemd-demo (master) $ systemctl status now
● now.service - A web service get now time string
   Loaded: loaded (/lib/systemd/system/now.service; enabled; vendor preset: enabled)
   Active: active (running) since Mon 2019-05-06 17:52:35 CST; 5min ago
 Main PID: 3052 (now)
    Tasks: 6 (limit: 4915)
   Memory: 5.4M
   CGroup: /system.slice/now.service
           └─3052 /usr/bin/now

Warning: Journal has been rotated since unit was started. Log output is incomplete or unavailable.

run with special user

vagrant@ubuntu-bionic systemd-demo (master) $ ps aux | grep now
vagrant   3604  0.0  0.1 1008360 5420 ?        Ssl  03:26   0:00 /usr/bin/now
vagrant   3866  0.0  0.0  14856  1004 pts/0    R+   03:38   0:00 grep --color=auto now

access by curl

hellojukay@local systemd-demo (master) $ curl http://127.0.0.1:6000/now
2019-05-06 18:39:25

Auto start at boot

it will auto start whill system started.

systemctl enable now