How to fix “Permission denied: proxy: HTTP: attempt to connect to 127.0.0.1:8080 (localhost) failed”

Error: Permission denied: proxy: HTTP: attempt to connect to 127.0.0.1:8080 (localhost) failed – this error is because of httpd/apache2 has been denied permission to connect to IP address and port. The reason for this...

How to fix error BDB0091 DB_VERSION_MISMATCH – RPM on Debian

Error: error: db5 error(-30969) from dbenv->open: BDB0091 DB_VERSION_MISMATCH: Database environment version mismatch error: cannot open Packages index using db5 -  (-30969) Solution:  

Let’s Encrypt – Request certificate on Ubuntu 14.04

Step 1 — Install the Server Dependencies The first thing we need to do is to update the package manager cache with: We will need git in order to download the Let’s Encrypt...

Let’s Encrypt – Apache Configuration Example

This is how my /etc/httpd/conf.d/ssl.conf looks like: An example of the SSL portion of a the vhost located in /etc/httpd/vhost.d/domain.com.conf:   Sorgente: Apache Configuration Example

Samba4 – Remote Server Administration Tools

Introduction The easiest way to administer an Active Directory is by using Microsofts RSAT (Remote Server Administration Tools) on a Windows machine. "samba-tool" already contains many features for common administration jobs, but compared...

Samba4 – Basic User Administration

This is the basic user management for Samba4 Active Directory Domain Controller. Display domain users list. Add a domain user. Delete a domain user. Reset password for a user. Set expiry...

How To Tune Apache – mpm prefork

Recognize that Ubuntu 14.04 uses Apache 2 with PHP running through an mpm_prefork module (Debian 8 use mpm_event), of which an editable file is in /etc/apache2/mods-enabled/mpm_prefork.conf. Also, recognize that starting...

Multi-Processing Modules (MPMs) – Apache HTTP Server Version 2.4

The Apache HTTP Server is designed to be a powerful and flexible web server that can work on a very wide variety of platforms in a range of different environments. Different...

How to Tuning Your Apache Server

Tools There are a variety of tools that can assist in determining if you need to alter resource settings, including the top command and the load-testing program Siege. Linode’s own Longview service...

Apache 2.4 Web Server on Debian 8 (Jessie)

Before You Begin To check your hostname run: The first command should show your short hostname, and the second should show your fully qualified domain name (FQDN). Update your system: Install Apache Install...