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cPanelDebianEximHostingLinuxMail ServersRedHat

Essential Exim Mail Server Commands: The Complete Admin Reference

Exim is the default Mail Transfer Agent (MTA) on cPanel servers and many other Linux hosting environments. This reference ...

IAMEM HOSTING HOST
 April 7, 2016 No Comments
cPanelHostingLinuxPleskRedHat

Auto-Login to MySQL/MariaDB Without a Password: ~/.my.cnf Guide

Typing your MySQL or MariaDB root password every time you open a monitoring session, run a cron script, or ...

IAMEM HOSTING HOST
 April 6, 2016 No Comments
cPanelDebianHostingLinuxPleskRedHat

Web Hosting Control Panels: A Complete Comparison Guide (2025)

A web hosting control panel is a browser-based management interface that lets users configure web servers, databases, email accounts, ...

IAMEM HOSTING HOST
 March 15, 2016 No Comments
CMSDrupalJoomlaWordpress

How to List All Installed CMS Versions Across All Hosting Accounts

As a hosting administrator managing dozens or hundreds of accounts, knowing exactly which CMS is installed — and which ...

IAMEM HOSTING HOST
 March 10, 2016 No Comments
DebianLinuxMail ServersPostfixRedHatZimbra

Zimbra: How to Assign a Dedicated Outgoing SMTP IP per Domain

Running multiple domains on a single Zimbra mail server? You may need each domain to send outgoing email through ...

IAMEM HOSTING HOST
 March 8, 2016 No Comments
Bash script to monitor and alert when Exim mail queue exceeds threshold — queue gauge showing alert state with cron schedule
cPanelDebianEximHostingLinuxMail ServersRedHat

Bash Script to Alert When Exim Mail Queue Is Too High

A sudden spike in the Exim mail queue is one of the clearest early warning signs of a spam ...

IAMEM HOSTING HOST
 March 7, 2016 No Comments
How to change all URLs in WordPress after a domain migration using WP-CLI search-replace, SQL queries, and Interconnect/IT tool
CMScPanelDebianHostingLinuxPleskRedHatWordpress

How to Change All URLs in WordPress After a Domain Migration

After migrating a WordPress site to a new domain or switching from HTTP to HTTPS, you will often find ...

IAMEM HOSTING HOST
 March 2, 2016 No Comments
PHP PEAR Mail scripts to test SMTP email delivery with SSL port 465, STARTTLS port 587, and plain port 25 authentication
cPanelDebianEximHostingLinuxMail ServersPleskRedHat

PHP Scripts to Test SMTP Email Delivery with Authentication

When diagnosing email delivery problems on a Linux server, you need a reliable way to test SMTP authentication and ...

IAMEM HOSTING HOST
 March 1, 2016 No Comments
How to change SSH port on CentOS 7 — sshd_config, SELinux semanage, and firewalld configuration steps
cPanelDebianHostingLinuxPleskRedHat

How to Change SSH Port on CentOS 7 (Without Locking Yourself Out)

SSH port 22 is the most aggressively scanned port on the internet — automated bots attempt brute-force logins around ...

IAMEM HOSTING HOST
 February 28, 2016 No Comments
How to hide Linux OS version from Nmap scans by changing default TTL in sysctl.conf — before and after comparison
DebianLinuxRedHat

How to Hide Linux OS Version from Nmap Scans

During a network reconnaissance scan, tools like Nmap use TCP/IP fingerprinting techniques — analysing packet characteristics such as TTL ...

IAMEM HOSTING HOST
 February 26, 2016 No Comments