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Configuring a LXD Server for Production Use

When using LXD for production, there are often too many file reads happening for the default Ubuntu 18.04 configuration to handle. To solve this, we can make some configuration adjustments to the server itself. In this lab, we do just that.

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Path Info

Level
Clock icon Beginner
Duration
Clock icon 15m
Published
Clock icon Apr 03, 2020

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Table of Contents

  1. Challenge

    Update /etc/security/limits.conf

    Open the /etc/security/limits.conf file and update it with the recommended values:

    vim /etc/security/limits.conf

    *               soft    nofile          1048576
*               hard    nofile          1048576
root            hard    nofile          1048576
root            soft    nofile          1048576
*               soft    memlock         unlimited
*               hard    memlock         unlimited

  2. Challenge

    Update /etc/sysctl.conf

    vim /etc/sysctl.conf

    fs.inotify.max_queued_events=1048576
fs.inotify.max_user_instances=1048576
fs.inotify.max_user_watches=1048576
vm.max_map_count=262144
kernel.dmesg_restrict=1
net.ipv4.neigh.default.gc_thresh3=8192
net.ipv6.neigh.default.gc_thresh3=8192
kernel.keys.maxkeys=2000

  3. Challenge

    Reboot the Server

    For changes to take effect, we need to reboot the server itself. We can do this with:

    sudo reboot

    Wait for a few minutes, then log back in, if desired.

A Cloud Guru - Labs - Configuring a LXD Server for Production Use
Author
A Cloud Guru

The Cloud Content team comprises subject matter experts hyper focused on services offered by the leading cloud vendors (AWS, GCP, and Azure), as well as cloud-related technologies such as Linux and DevOps. The team is thrilled to share their knowledge to help you build modern tech solutions from the ground up, secure and optimize your environments, and so much more!

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