Check all DNS settings.   https://www.ultratools.com/tools/dnsLookupResult  

Introducing Terminal Services Server Drain Mode First published on CloudBlogs on Jun, 15 2007 When a terminal server needs maintenance, the administrator may want to prevent users from logging onto a server which is about to be taken offline. In Windows Server 2003 there was a command-line tool to disable all remote connections; however, this […]

echo off RUNDLL32 PRINTUI.DLL,PrintUIEntry /y /n “fax” timeout 5 > NUL RUNDLL32 PRINTUI.DLL,PrintUIEntry /y /n “Microsoft XPS Document Writer” exit     Save the file in *.bat format. Run this as the user and the printer will switch.

Check DNS records on Windows with nslookup Last updated on: 2016-06-27 Authored by: Rackspace Support You might need to check the status of your DNS records for many reasons. For example, you might need to verify that any updates are correct or to troubleshoot issues accessing a particular service. Windows has a built-in tool for […]

  On these websites you can scan the site if they are phishing websites or not.   https://safeweb.norton.com/ https://www.urlvoid.com/update/beatzdancestudio.nl/ https://scanurl.net/   And upload files to scan on viruses.   https://www.virustotal.com/en/    

https://docs.microsoft.com/en-us/deployoffice/deploy-office-365-proplus-by-using-remote-desktop-services    

Outlook 2016: agenda’s delen In deze handleiding lees je: in deel A: hoe je de agenda van een collega aan jouw eigen Outlook 2016 kunt toevoegen in deel B: hoe je jouw agenda met iemand anders kunt delen in Outlook 2016   Deel A: De agenda van een collega aan je eigen Outlook 2016 toevoegen Stap […]

You can enable/disable add-ins in the following way; Outlook 2007 Tools-> Trust Center…-> Add-ins. At the “Manage” dropdown list at the bottom select which type of add-ins you would like to enable/disable. Press “Go…” and make the changes. For some add-ins you’ll need to restart Outlook for changes to take effect. Outlook 2010, Outlook 2013 […]

You can find this file in the folder on Windows : C:\Users\username\Documents\Virtual Machines\name virtual machine   Edit the file (.vmx) for a delay you need to add the following: bios.bootDelay = “10000” Now when you start the server/desktop it will wait for 10 seconds.

For blocking traffic on your webserver like a DDoS # ufw limit https/tcp  # blocking traffic on port 443 # ufw limit http/tcp  # blocking traffic on port 80 # ufw limit ssh/tcp  # blocking traffic on port 22   After 30 seconds you can access the server again, and see the website and login […]

https://community.openvpn.net/openvpn/wiki/OpenvpnSoftwareRepos Introduction This page contains instructions for using OpenVPN project’s own software repositories. For a list of unofficial repositories (e.g. EPEL) please refer to the Unofficial OpenVPN software repositories page. Latest OpenVPN releases are available in the OpenVPN project’s apt repositories. This allow you to use more up-to-date version of OpenVPN than what is typically available in […]

Het bestand getest met Centos 7 is hieronder in de link te downloaden. Download hier het script.  openvpn-install https://github.com/Nyr/ https://github.com/Nyr/openvpn-install openvpn-install OpenVPN road warrior installer for Debian, Ubuntu and CentOS. This script will let you setup your own VPN server in no more than a minute, even if you haven’t used OpenVPN before. It has been designed to […]

This servers is running with this pool on   pool.ntp.org: Statistieken voor 82.75.190.40 (ntppool.org) pool.ntp.org: Statistieken voor 85.214.96.63 (ntppool.org) Introduction Accurate time keeping is critical for almost any service or software. Emails, loggers, event systems and schedulers, user authentication mechanisms, and services running on distributed platforms all need accurate timestamps to record events in chronological […]

Step 1 — Install the Let’s Encrypt Client Let’s Encrypt certificates are fetched via client software running on your server. The official client is called Certbot, and its developers maintain their own Ubuntu software repository with up-to-date versions. Because Certbot is in such active development it’s worth using this repository to install a newer version […]

show installed packages ubuntu # apt list –installed Nu krijg je alle pakketten te zien ( packages ) die zijn geïnstalleerd op de server.      

Om een server op afstand te benaderen kun je SSH gebruiken.   Voorbeeld server: ssh root@192.168.10.10   Hierna zal er een wachtwoord worden gevraagd. en ben je ingelogd op de remote server.