myVesta

Here is an example of a strong DMARC (Domain-based Message Authentication, Reporting, and Conformance) record: "v=DMARC1; p=reject; sp=none; pct=100; ri=86400; rua=mailto:info@domain.com;" Explanation of each tag: • p=reject: The policy for your domain. It instructs mail servers to reject ...

When hosting many websites on a myVesta server, Nginx may eventually hit the system-imposed limit on the number of simultaneously open files. This can cause the web server to fail with the following error message: [emerg] ... open() "... .error.log" failed (24: Too many open files) This ha...

If you’ve noticed performance issues or intermittent “stuttering” on your server, adjusting a few PHP-FPM settings might help. Below is a quick recap of our tweaks and how they helped resolve error messages and potential timeouts. 1. Identify the Problem We observed frequent occurrences of the follo...

When you delete a file that is still being accessed by a process, the file may remain on the disk until that process releases it. This often happens if a Bash session is holding onto the file via an open file descriptor. Below is a quick guide on how to identify and fix this issue: 1. Identify Open ...

We encountered an issue when running the command `npm run dev` on our server. Here's a quick overview: Issue Description: 1. The `npm run dev` command starts normally for a second or two. 2. Then the system begins to output errors: `Error: ENOSPC: System limit for number of file watchers reached, wa...

This guide explains how to increase the buffer size for URL + cookies accepted by the server in incoming http/https requests. This is done by modifying the relevant configurations in Nginx and Apache . Below is a step-by-step guide to making these changes. [hr] Nginx Configuration By default, Nginx ...

Update:

We've released myVesta update - Version 0.9.9-0-12 [28-Feb-2025].
The update will remove SpamHaus DNSBL from exim4.

If you see this or a similar entry in the Exim log, it means your server is affected by the issue: 2025-02-26 17:19:11 H=mail-lf1-f48.google.com [123.123.123.123] X=TLS1.3:ECDHE_RSA_AES_128_GCM_SHA256:128 CV=no F=<test@test.com> rejected RCPT <domain@domain.com>: Rejected because 123.123.123.123 is ...

Hard Disk Sentinel (HDSentinel) is a tool for monitoring the health and performance of HDDs and SSDs. It provides detailed analysis, including temperature, SMART attributes, and potential disk issues. The Linux console version allows you to check disk health from the command line. Installation and U...

This guide will show you how to create a new database user with read-only access to a specific database. We will use a generic database name, example_db , and create a new user named example_new_user with the password examplePassword . This user will only have SELECT privileges, meaning they can rea...