Log Files and Journalctl
Another popular log management system is known as journal. Managed by the journald daemon, the
system is designed to centralize the management of logs regardless of where the messages are originating.
In the context of this lab, the most evident feature of the journal system daemon is the use of
append-only binary files serving as its log files.
Step 1. Running journalctl with no options.
a. To look at the journald logs, use the journalctl command. The journalctl tool interprets
and displays the log entries previously stored in the journal binary log files.
```
analyst@secOps ~$ journalctl
-- Logs begin at Fri 2014-09-26 14:13:12 EDT, end at Tue 2017-02-07 13:23:29 ES
Sep 26 14:13:12 dataAnalyzer systemd[1087]: Starting Paths.
Sep 26 14:13:12 dataAnalyzer systemd[1087]: Reached target Paths.
Sep 26 14:13:12 dataAnalyzer systemd[1087]: Starting Timers.
Sep 26 14:13:12 dataAnalyzer systemd[1087]: Reached target Timers.
Sep 26 14:13:12 dataAnalyzer systemd[1087]: Starting Sockets.
Sep 26 14:13:12 dataAnalyzer systemd[1087]: Reached target Sockets.
Sep 26 14:13:12 dataAnalyzer systemd[1087]: Starting Basic System.
Sep 26 14:13:12 dataAnalyzer systemd[1087]: Reached target Basic System.
Sep 26 14:13:12 dataAnalyzer systemd[1087]: Starting Default.
Sep 26 14:13:12 dataAnalyzer systemd[1087]: Reached target Default.
Sep 26 14:13:12 dataAnalyzer systemd[1087]: Startup finished in 18ms.
Sep 26 14:14:24 dataAnalyzer systemd[1087]: Stopping Default.
Sep 26 14:14:24 dataAnalyzer systemd[1087]: Stopped target Default.
Sep 26 14:14:24 dataAnalyzer systemd[1087]: Stopping Basic System.
Sep 26 14:14:24 dataAnalyzer systemd[1087]: Stopped target Basic System.
Sep 26 14:14:24 dataAnalyzer systemd[1087]: Stopping Paths.
Sep 26 14:14:24 dataAnalyzer systemd[1087]: Stopped target Paths.
Sep 26 14:14:24 dataAnalyzer systemd[1087]: Stopping Timers.
Sep 26 14:14:24 dataAnalyzer systemd[1087]: Stopped target Timers.
Sep 26 14:14:24 dataAnalyzer systemd[1087]: Stopping Sockets.
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