Jamon Camisso Author
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Published Answer
DigitalOcean Load Balancer and Cloudflare
DigitalOcean Load Balancers will set some HTTP headers that pass the source IP through to your backend servers, like CloudFlare doe… -
Published Answer
Why can't django connect to postgres managed database?
If you are using a managed database then the default port and host differ from the usual port 5432. You can test the connection … -
Published Answer
Installing OpenVPN - Error Step 2
What does your vars file look like? If you’re following the Ubuntu 20.04 tutorial then it should only have these two lines: “…Accepted Answer: What does your vars file look like? If you’re following the Ubuntu 20.04 tutorial then it should only have these two lines: “… -
Published Tutorial in Series: Common HAProxy Errors
HAproxy SSL/TLS Warning: Setting tune.ssl.default-dh-param to 1024 by default
You may encounter an HAProxy Setting tune.ssl.default-dh-param to 1024 by default warning message if your HAProxy server is configured with an SSL/TLS certificate and key, but there isn’t a value set for the tune.ssl.... -
Published Answer
Can't ping from devices behind the VPN to devices connecting to VPN
The easiest way to get traffic flowing would be to configure the system at 10.0.0.4 to also have a VPN connection. Otherwise, yo… -
Published Answer
Is it possible to assign a "static" IP to clients based on the username
So, following up on previous comments and reading the Strongswan docs on [Responder Configuration](https://wiki.strongswan.org/proj…Accepted Answer: So, following up on previous comments and reading the Strongswan docs on [Responder Configuration](https://wiki.strongswan.org/proj… -
Published Tutorial in Series: Common HAProxy Errors
HAProxy Network Error: cannot bind socket
An HAProxy cannot bind socket error message is generated when there is another process listening on the same interface and TCP port combination that HAProxy is configured to use, or when HAProxy attempts to use an IP ... -
Published Tutorial in Series: Common HAProxy Errors
How To Troubleshoot Common HAProxy Errors
There are three main commands, and a common log location that you can use to get started troubleshooting HAProxy errors. Generally when you are troubleshooting HAProxy, you will use these commands in the order indicat... -
Published Tutorial in Series: Common HAProxy Errors
How To Configure HAProxy Logging with Rsyslog on CentOS 8 [Quickstart]
By default on many CentOS 8 installations, HAProxy is not configured to write its log output to a file. This quickstart tutorial will explain how to configure HAProxy logging with Rsyslog and SELinux rules by using a ... -
Published Tutorial
How to Set Up an IKEv2 VPN Server with StrongSwan on Ubuntu 20.04
A virtual private network, or VPN, allows you to securely encrypt traffic as it travels through untrusted networks, such as those at the coffee shop, a conference, or an airport. In this tutorial, you'll set up an IKE... -
Published Tutorial
How To Install and Configure Neo4j on Ubuntu 20.04
Neo4j is a graph database that records relationships between data nodes, whereas traditional relational databases use rows and columns to store and structure data. Since each node stores references to all the other no... -
Published Answer
New to Ubuntu and Strongswan - VPN assistance
This question was answered by @erikschindeldecker: That was it - I was missing the : and space before RSA in the ipsec.secrets …Accepted Answer: This question was answered by @erikschindeldecker: That was it - I was missing the : and space before RSA in the ipsec.secrets … -
Published Tutorial series
Common HAProxy Errors
This tutorial series explains how to troubleshoot and fix some of the most common errors that you may encounter when using the HAProxy (https://www.digitalocean.com/community/tags/haproxy) TCP and HTTP proxy server. E... -
Published Tutorial in Series: Common Apache Errors
Apache Configuration Error AH00558: Could not reliably determine the server's fully qualified domain name
An Apache AH00558: Could not reliably determine the server's fully qualified domain name message is generated when Apache is not configured with a global ServerName directive. The message is mainly for informational p... -
Published Tutorial in Series: Common Apache Errors
Apache Configuration Error AH02572: Failed to configure at least one certificate and key
An Apache AH02572: Failed to configure at least one certificate and key error message is generated when Apache is configured to use the ssl module, but is missing a TLS/SSL public certificate and corresponding private... -
Published Tutorial in Series: Common Apache Errors
How To Troubleshoot Common Apache Errors
There are three main commands, and a set of common log locations that you can use to get started troubleshooting Apache errors. Generally when you are troubleshooting Apache, you will use these commands in the order i... -
Published Tutorial in Series: Common Apache Errors
Apache Configuration Error AH00526: Syntax error
This error is encountered when the there is a typo or mis-configured setting in your Apache configuration files. It is a generic error that can be indicative of a number of underlying problems. The error can be detect... -
Published Tutorial in Series: Common Apache Errors
Apache Network Error AH00072: make_sock: could not bind to address
An Apache AH00072: make_sock: could not bind to address error message is generated when there is another process listening on the same port that Apache is configured to use. Typically the port will be the standard por... -
Published Tutorial
Recommended Security Measures to Protect Your Servers
When setting up infrastructure, getting your applications up and running will often be your primary concern. However, making your applications to function correctly without addressing the security needs of your infras... -
Edited Tutorial in Series: How To Code in Go
How To Code in Go eBook
This book is designed to introduce you to writing programs with the Go programming language. You'll learn how to write useful tools and applications that can run on remote servers, or local Windows, macOS, and Linux s...