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Last active June 20, 2017 10:32
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Hein & Derik Server wisdom
Raw
server_wisdom
sudo netstat -lpn
https://www.digitalocean.com/community/tutorials/how-to-add-swap-space-on-ubuntu-16-04
Something like
swapoff -a
fallocate 4G /swapfile
mkswap /swapfile
swapon /swapfile
Run `iostat`
It shows you the io it is using. If the source is swap then we have a problem, else it is fine
Look at load averages in top to see how processors are being used and how many are waiting for processing
Look at CPU processing and CPU credits, make sure it's max usage, not average.
iotop
systemctl edit nameofservice.service
RestartSec / RestartUSec - Modify if service takes long to let go of a port
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