domenica, Agosto 18, 2019

Installing VNC Service on RHEL

sysvint (Original Method) The sysvinit method works for RHEL and it's clones (Oracle Linux and CentOS) up to and including RHEL6. It also works for Fedora up to and including Fedora 15....

Install GNOME GUI on RHEL 6 and 7 Linux Server

If you have performend a RHEL 7 Linux Server installation and did not include Graphical User Interface (GUI) you can do it later directly from command line using yum command and...

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: rpm --rebuilddb rpm --initdb  

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: sudo apt-get update We will need git in order to download the...

Let’s Encrypt – Apache Configuration Example

This is how my /etc/httpd/conf.d/ssl.conf looks like: LoadModule ssl_module modules/mod_ssl.so <IfModule mod_ssl.c> # # Pseudo Random Number Generator (PRNG): # Configure one or more sources to seed the PRNG of the SSL library. # The seed data...

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. [email protected]:~# samba-tool user list Administrator jessie krbtgt Guest Add a domain user. [email protected]:~# samba-tool user add debian New Password:# set...

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...