Ryadel

Linux - MySQL and MariaDB pid-file folder issues - how to fix How to force MySQL and MariaDB services to create the /var/run/mysqld/mysqld.pid and /var/run/mariadb/mariadb.pid files and folders

November 18, 2018November 18, 2018 - by Ryan - 6 Comments.

If you've stumbled upon this post it most likely means that you've just discovered that your MySQL or MariaDB service, despite running without issues, are not creating their mysqld.pid or …

Cyber Security / Servers & Services

Common Firewall Configuration Errors and how to avoid them A useful list of the most widespread mistakes that System Administrators should be aware of

November 17, 2018November 17, 2018 - by Emily Jacobs - Leave a Comment

With cyber attacks on the rise, proper firewall configuration is more important now than ever before. As most breaches are the result of configuration errors, your firewall is essential to …

Coding / Servers & Services / SQL / Windows

SQL Server - Call a URL using GET or POST method and fetch Status Code and Response Text How to execute a GET or POST call to an external URL within a Stored Procedure (using HTTP or HTTPS protocol) and retrieve the StatusCode and ResponseText

November 9, 2018January 7, 2021 - by Ryan - 4 Comments.

We already talked about the MSXML2.XMLHTTP and MSXML2.ServerXMLHTTP objects in an older post: these objects provides methods and properties for server-safe HTTP access between different Web servers and can be used to exchange …

IIS - How to setup the web.config file to send HTTP Security Headers with your web site (and score an A on securityheaders.io)

Cyber Security / Servers & Services / Web

NGINX - How to setup the nginx.conf file to send HTTP Security Headers with your web site (and score an A on securityheaders.io) How to setup the nginx.conf to secure all your Nginx-hosted websites with the required HTTP Security Headers and get A rate from securityheaders.io scan.

November 5, 2018August 14, 2019 - by Ryan - 2 Comments.

We already explained the basics about HTTP Security Headers in this previous post: it's now time to put all these words into action and learn how we can implement them …

ASP.NET / C# / Coding / Linux / Operating Systems / Servers & Services

How to Deploy a ASP.NET Core 2 Web Application to Linux CentOS - Tutorial A detailed step-by-step guide explaining how to publish and deploy a ASP.NET Core 2.1 Web Application to a Linux CentOS machine - also working for Ubuntu, Fedora, Debian, RHEL and more

November 5, 2018January 7, 2021 - by Ryan - 4 Comments.

In this post I will explain how to setup and deploy a production-ready ASP.NET Core Web Application on a NGINX-Powered Linux CentOS 7.x server. These instructions have also been tested with …

Servers & Services / SQL / Tools & Utilities / Windows

Enable DTS Designer in SQL Server Management Studio - How to How to make the DTS Designer component for SQL Server 2000 work in SQL Server Management Studio (SSMS) 2005, 2008 and above

October 28, 2018January 7, 2021 - by Ryan - 2 Comments.

Today I had to update a certain number of old Windows Server 2003 and Windows XP virtual machines to their Windows Server 2016 and Windows 10 up-to-date counterparts. Among the …

Certificati SSL - Standard, formati ed estensioni principali: PEM, CER, CRT, DER, P7B, PFX, P12

Coding / Servers & Services / Tools & Utilities

OpenSSL - How to convert SSL Certificates to various formats - PEM CRT CER PFX P12 & more How to use the OpenSSL tool to convert a SSL certificate and private key on various formats (PEM, CRT, CER, PFX, P12, P7B, P7C extensions & more) on Windows and Linux platforms

October 25, 2018March 16, 2021 - by Ryan - Leave a Comment

In this post, part of our "how to manage SSL certificates on Windows and Linux systems" series, we'll show how to convert an SSL certificate into the most common formats …

Cyber Security / Servers & Services

SSL Certificates - Standards, formats and file extensions: PEM, CER, CRT, DER, P7B, PFX, P12 A useful overview of the most common formats and file extensions for SSL & TLS Certificates based upon the X.509 v3 standard

October 24, 2018October 25, 2018 - by Ryan - 1 Comment

In this article, part of our SSL Certificates tutorial series, we'll talk about the most used formats and file extensions that you might stumble upon while working with SSL certificate …

ASP.NET / C# / Cloud / Coding / Servers & Services / Web

elmah.io - Cloud-based Error Logging Platform for ASP.NET MVC & Core Web Applications An extensive review of elmah.io, a SaaS solution for monitoring ASP.NET applications that sends crash notifications and shows user-generated Exceptions in real time.

October 20, 2018April 18, 2021 - by Ryan - 2 Comments.

Any seasoned web developer knows what an uptime monitoring service is and the key role it has when deploying an application in a production environment: the ability to constantly check out …

Linux / Servers & Services / Web

VSFTPD - How to configure a different home folder for each user A short guide explaining how to configure VSFTPD, the popular FTP service for Linux, to give a specific home folder for each FTP user

October 18, 2018October 18, 2018 - by Ryan - 2 Comments.

We already talked about VSFTPD in this post, where we explained how to configure the service on a Linux CentOS machine, and also in this other post, where we explained how to …