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Server Management Blog

Practical guides for managing Linux servers, control panels, cloud infrastructure, security, and email systems.

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Guides from the field

52 published guides
OVH VPS control panel showing the Reboot in rescue mode option
SMServer Management

OVH Rescue Mode: Recover a Server That Will Not Boot

A cautious OVH rescue mode workflow for checking the incident, mounting storage, protecting data, repairing Linux and returning to local boot.

12 min read
cPanel server DDoS attack diagnosis and application layer traffic protection
KBcPanel

How to Block a DDoS Attack on a cPanel Server

A practical cPanel incident response guide for finding the targeted domain, distinguishing HTTP floods from network attacks and applying the right mitigation.

14 min read
Plesk server DDoS attack diagnosis and HTTP flood protection
KBPlesk

How to Diagnose and Stop a DDoS Attack on a Plesk Server

A practical Plesk incident response guide for finding the attacked subscription, reading nginx and Apache traffic, and choosing the correct containment method.

14 min read
cPanel server high load diagnosis and server performance monitoring
KBcPanel

cPanel Server High Load: How to Find the Exact Cause

A practical investigation path for tracing high cPanel load to the responsible account, website, process, database query or traffic source.

14 min read
Linux server maintenance checklist for monitoring security backups and performance
KBLinux Administration

Linux Server Maintenance Checklist: Daily, Weekly and Monthly Tasks

A practical schedule for checking Linux server health, security, backups, updates, capacity and recovery readiness without relying on guesswork.

13 min read
Administrator reviewing infrastructure when deciding whether to outsource server management
SMServer Management

When Should You Outsource Server Management? 9 Warning Signs

Nine practical signs that indicate when internal server administration is becoming a business risk and outside management may be the right next step.

15 min read
How AI Is Changing Server Management server administration guide
SMServer Management

How AI Is Changing Server Management

Managing a server involves much more than keeping it online.

6 min read
How to Find a Spammer on a Plesk Server: Complete Step-by-Step Guide server administration guide
KBEmail

How to Find a Spammer on a Plesk Server: Complete Step-by-Step Guide

If your Plesk server suddenly starts sending large volumes of unwanted emails or your IP gets blacklisted, there’s a good chance that one of your mailboxes or websites has been […]

4 min read
Why Emails from Your Server End Up in Spam (and How to Fix It) server administration guide
KBEmail

Why Emails from Your Server End Up in Spam (and How to Fix It)

You spend hours setting up your mail server, configure every setting carefully, hit send - and your message lands straight in the spam folder.

4 min read
Business evaluating a server management company using technical and operational criteria
SMServer Management

How to Choose the Right Server Management Company

The right provider is not defined by a long feature list. It is the team whose scope, access controls, response ownership and technical experience match your environment.

6 min read
How to Secure WHMCS and Block Spam Orders or Tickets server administration guide
SESecurity

How to Secure WHMCS and Block Spam Orders or Tickets

If you require professional help to fix the WHMCS security, hire us and check out our plans at Proactive Server Management.

4 min read
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