Networking

A basic understanding of networking is important for anyone managing a server. Not only is it essential for getting your services online and running smoothly, it also gives you the insight needed to diagnose problems.

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    • Question

      Shared Network Storage

      I was wondering if there is a way to setup a non-droplet shared network storage. IE: an NFS storage that I can mount to 1 or more droplets.
      1 answer2 days agoBy keiichi25BackupsBlock StorageCentOS 8Networking
    • Question

      Using Wireguard to access VPSs using private IPs.

      Hello.I have followed this tutorial on setting up Wireguard: https://www.digitalocean.com/community/tutorials/how-to-set-up-wireguard-on-ubuntu-22-04 My goal is to run a small droplet in my account that runs wireguard...
      No answers yet6 days agoBy dplmqNetworkingUbuntu 22.04
    • Question

      Can a droplet not have a public ip address ?

      I am using Terraform to build droplets but wish to build them without public addresses so my access to them thru ssh is only thru a bastion server which has a public address.
      1 answer19 days agoBy G DaughenbaughDigitalOcean DropletsNetworkingTerraform
    • Question

      Long-lived TCP connection stalls

      Hi! I run a gRPC application (written in Go) on a droplet (without a firewall) and use server streaming to send updates to the clients. The frequency of the updates is low (even a few in a day).The gRPC protocol is ov...
      1 answer20 days agoBy LargeTurquoiseJellyfishDigitalOcean DropletsNetworking
    • Tutorial

      How To Set Up an NFS Mount on Ubuntu 22.04

      In this guide, we’ll go over how to install the software needed for NFS functionality on Ubuntu 22.04, configure two NFS mounts on a server and client, and mount and unmount the remote shares.
      21 days agoBy Brian Boucheron, Tony TranNetworkingUbuntuUbuntu 22.04
    • Tutorial

      How To Set Up a Firewall with UFW on Ubuntu 22.04

      This tutorial will guide you through setting up a firewall with UFW on Ubuntu 22.04.
      22 days agoBy Brian Boucheron, Jamon CamissoFirewallNetworkingSecurityUbuntuUbuntu 22.04
    • Tutorial

      How To Set Up WireGuard on Ubuntu 22.04

      In this tutorial, you will set up WireGuard on an Ubuntu 22.04 server, and then configure another machine to connect to it as a peer using both IPv4 and IPv6 connections (commonly referred to as a dual stack connectio...
      22 days agoBy Jamon CamissoIPv6NetworkingSecurityUbuntuVPNUbuntu 22.04
    • Question

      Droplet Web Console blocked by UFW - Need rule info like IP range

      Title describes the problem. I installed the console but it times out waiting for handshake. I have UFW (iptables) configured to only allow specific hosts access on port 22. Is there an IP range for DO I can add to ge...
      1 answer1 month agoBy jhargisDigitalOcean DropletsFirewallInteractiveNetworkingSecurity
    • Question

      droplet is down, trying restart web server is working only just a second.

      3 of my droplet down and showing “can’t reach this page”.Trying restart apache is working only just a second.anybody can help my issue? what should i do?
      4 answers1 month agoBy DriftingDarkBlueLobsterApacheNetworking
    • Tutorial

      How To Set Up an NFS Mount on Ubuntu 18.04

      NFS, or Network File System, is a distributed file system protocol that allows you to mount remote directories on your server. This tutorial goes over how to install all the components needed to run NFS and also walks...
      1 month agoBy Melissa AndersonNetworkingUbuntuUbuntu 18.04
    • Question

      How to get old domain back ?

      I had a godaddy domain linked with my digitalocean account. My resources got deleted because of payment problem. Now i want to create the same domain but it gives me an error ‘domain name already exists’, but there ar...
      2 answers2 months agoBy hmathar1DNSNetworking
    • Question

      The email has been received locally, but I couldn't read it through POP3 / imap?

      Maillog doesn’t show any errors. I see a new email in my / home / mail / domain / user / new. I just can’t read the email by using the client or telnet 110 / 143. Dovecot info The log doesn’t seem to show any errors. ...
      No answers yet2 months agoBy GiantElectricBlueShipCentOSMessagingNetworkingPostgreSQL
    • Question

      Outgoing Max Spike for Droplet

      I have a Kubernetes Cluster running with 3 nodes setup. Things were running smooth but from 27th March onwards, I see a sudden spike in Outgoing Max going as high as 1 GB/s which is leading to massive Public Bandwidth...
      1 answer2 months agoBy StudytonightDigitalOcean DropletsNetworking
    • Question

      how to set up a private webserver on Digital Ocean: wireguard?

      I have experience developing web applications and setting up web and database servers, but minimal experience with VPNs and not a really advanced understanding of networking. Now I would like to set up web and databas...
      1 answer2 months agoBy David MintzNetworkingSecurity
    • Tutorial

      Using a CDN to Speed Up Static Content Delivery

      A content delivery network can be a quick and effective solution for improving the scalability and availability of your web sites. By caching static assets on a geographically distributed network of optimized servers,...
      2 months agoBy Hanif JethaCDNConceptualNetworking
    • Tutorial

      How To Configure BIND as a Private Network DNS Server on Ubuntu 18.04

      An important part of managing server configuration and infrastructure includes maintaining an easy way to look up network interfaces and IP addresses by name, by setting up a proper Domain Name System (DNS). Using ful...
      2 months agoBy Justin Ellingwood, Mitchell AnicasDNSNetworkingUbuntu 18.04
    • Question

      Domain already exists

      i was having a recently created wordpress droplet behaving intermittently / slowly. decided to destroy it but did not delete the domain associated with it fist. i assumed i would have it when i logged back on in the a...
      2 answers2 months agoBy Raul SantaellaDigitalOcean DropletsNetworkingWordPress
    • Question

      Why did I choose the region for VPS in Amsterdam, but the IP address is in the USA?

      Due to such a difference in the regions, I have a ping of 100+ and a speed of 5-10 Mbps. I am in Europe.
      1 answer2 months agoBy ViNetworking
    • Tutorial

      HTTP/1.1 vs HTTP/2: What's the Difference?

      After reading this article, you will understand the main differences between HTTP/1.1 and HTTP/2, concentrating on the technical changes that have been adopted in HTTP/2. From the release of HTTP/1.1 in 1997 until rec...
      2 months agoBy ABCOMNetworkingConceptual
    • Question

      I cannot add domain to networking. System says it's already registered but none there

      Please help with adding a specific .com domain to networking. Flash message shows that the domain is already added.Thanks
      1 answer2 months agoBy Grzegorz PierzakowskiNetworking