System monitoring Flashcards
log
records system events. startup, driver loaded, logon. time of event, user who caused it, etc.
the act of creating logs
logging
where is the Windows log?
The Event Viewer
some reasons to use event viewer:
curious, crashing game, logon, first step.
what to type in run box to get event viewer:
eventvwr.msc
what does the default view of Event Viewer show?
the summary of potentially important recent events
what can you see in the left hand pane of event viewer?
a few different groups of event types?
what is custom views in event viewr?
you can make a filter that will look across all event logs and get what you want, specifically, rather than digging through everything you don’t want.
how do you make a custom view of error severtity and critical or higher events logged in the last hour?
create custom view in right hand actions pane, filter, error and critical checkboxes, log: drop down menu: last hour, event logs: Windows logs. Ok. View:, View name:
what are Windows category logs?
event logs applying to the whole OS. driver issues during startup, for example.
where are security logs?
in windows log category logs.
what are applications and service logs?
logs that track events from a single application or os component instead of the system-wide events.
where could you check if you were having trouble with PowerShell and wanted information about it?
applications and services, PowerShell
what does each line in a given log in the Event Viewer represent?
an event
what does each event contain?
information grouped in columns about the event. logging level, information, critical, date and time, detailed info if event is selected, in the bottom of the event viewr.
why look at more detailed info?
to dig into troubleshooting or give context for a bug report
Where are logs in Linux stored
/var/log
what does /var stand for?
Variable