June 2015
Intermediate to advanced
190 pages
4h 4m
English
Content preview from Troubleshooting CentOSBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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Managing memory with vmstat
A different aspect of memory management can be achieved by using the vmstat command. Considered to be a summary reporting feature associated with memory, processes, and paging, vmstat can be seen in action by typing:
# vmstat -a
Having used the -a option to call on all active and inactive memory, the most endearing columns shown under vmstat's output are best described as follows:
si: This column shows the value swapped in from diskso: This column shows the value swapped out to diskbi: This column shows the value sent to block devicesbo: This column shows the value received from block devicesus: This column shows the user timesy: This column shows the system timeid: This column shows the idle time
The display does look ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.