Create swapfile

sudo install -o root -g root -m 0600 /dev/null /swapfile

Write out a 4GB file named ‘swapfile’

dd if=/dev/zero of=/swapfile bs=1k count=4096k

Let linux know about swap file

mkswap /swapfile

Activate swap

swapon /swapfile

activate swap also after boot. Add to the file system table

echo "/swapfile       swap    swap    auto      0       0" | sudo tee -a /etc/fstab

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Nginx tuning for best perfomance

NGINX Tuning For Best Performance

For this configuration you can use web server you like, i decided, because i work mostly with it to use nginx.

Generally, properly configured nginx can handle up to 400K to 500K requests per second (clustered), most what i saw is 50K to 80K (non-clustered) reque...

22nd Jan 2019

ubuntu kubernetes

Kubernetes setup on ubuntu 16.04

Master: Install dependencies

apt update && apt upgrade -y
curl https://packages.cloud.google.com/apt/doc/apt-key.gpg | apt-key add -

cat < /etc/apt/sources.list.d/kubernetes.list
deb http://apt.kubernetes.io/ kubernetes-xenial main
EOF

apt-get update
apt install linux-image-extra-virtual c...

6th Mar 2019

Manually adding swap and activating on linux