2024-02-29 18:39:53 +00:00
										 
									 
								 
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								id: v5f6xkdv
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								title: systemd status
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											2024-06-15 10:45:04 +01:00
										 
									 
								 
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								tags:
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								  - systemd
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								  - systems-programming
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								  - Linux
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								  - procedural
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											2024-02-29 18:39:53 +00:00
										 
									 
								 
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								created: Thursday, February 29, 2024 | 18:19
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								# Get status of a specific unit
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								Here I have requested the status of the currently running `mongodb` unit:
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								```
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								$ systemctl status mongod
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								mongodb.service - MongoDB Database Server
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								     Loaded: loaded (/usr/lib/systemd/system/mongodb.service; enabled; preset: disabled)
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								     Active: active (running) since Wed 2022-08-17 07:25:27 BST; 24h ago
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								       Docs: https://docs.mongodb.org/manual
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								   Main PID: 931 (mongod)
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								     Memory: 304.1M
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								        CPU: 2min 18.630s
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								     CGroup: /system.slice/mongodb.service
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								             └─931 /usr/bin/mongod --config /etc/mongodb.conf
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								Aug 17 07:25:27 archbish systemd[1]: Started MongoDB Database Server.****
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								```
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								In addition to the core info it tells us the unit type. In this case it is a
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								service.
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								We can also view the journal entry for the given unit. This provides you with
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								its diagnostic log messages:
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								```
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								journalctl --unit=mongodb.service
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								- Boot b9565dfe8aca4d069143209b3aa84d8e --
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								Aug 05 18:31:30 archbish systemd[1]: Started MongoDB Database Server.
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								Aug 06 14:27:33 archbish systemd[1]: mongodb.service: Deactivated successfully.
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								Aug 06 14:27:33 archbish systemd[1]: mongodb.service: Consumed 3min 17.598s CPU time.
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								-- Boot 01922f84c3bd4b3a8f11824cf05f7320 --
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								Aug 07 11:58:09 archbish systemd[1]: Started MongoDB Database Server.
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								Aug 08 14:43:01 archbish systemd[1]: mongodb.service: Deactivated successfully.
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								Aug 08 14:43:01 archbish systemd[1]: mongodb.service: Consumed 5min 28.760s CPU time.
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								-- Boot e52b735e115c43bdad8c00462aaff395 --
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								Aug 10 13:13:22 archbish systemd[1]: Started MongoDB Database Server.
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								Aug 11 07:46:40 archbish systemd[1]: mongodb.service: Deactivated successfully.
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								Aug 11 07:46:40 archbish systemd[1]: mongodb.service: Consumed 2min 16.629s CPU time.
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								```
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								Each entry is organised around specific boots.
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