TypeScript library of the journalctl tool included in Linux distributions.

import or require the module and create a new instance:

import Journalctl from '@mahsumurebe/journalctl';

const Journalctl = require('@mahsumurebe/journalctl');

const journalctl = new Journalctl([opts])

The optional object object can be have the following properties.

• identifier: Show entries with the specified syslog identifier
• units: Show logs from the specified unit(s)
• userUnits: Show logs from the specified user unit(s)
• all: Show all fields, including long and unprintable
• lines: Show entries with the specified syslog identifier
• since: Show entries not older than the specified date
• utc: Express time in Coordinated Universal Time (UTC)

It is triggered at each log event and returns the object event that describes the event.

journalctl.on('event', (event: IJournalEvent) => {
    console.log(event);
})

Stops journalctl stream.

journalctl.stop();