Meer-Web Blog

Wireguard: Attempting to Install and Configure Wireguard Fails with “Unknown device type” and “FATAL: Module wireguard not found in directory”

Posted on 04/06/202004/06/2020 by

After installing a new kernel on Ubuntu the interface could not be brought up because it did not exist anymore. ip link add dev wg0 type wireguardError: Unknown device type. After doing a modprobe it ... Read More

Disable and delete inactive AD Accounts

Posted on 12/12/201913/01/2020 by

I get multiple requests from customers where they want accounts to be deactivated after not being logged in for X number of months. Some also want to delete the accounts when disabled for another X nu... Read More

Sending Telegram messages using PHP

Posted on 10/10/201913/01/2020 by

Fire away those messages with this simple script! First of all, create bot at @botfather by searching botfather and send him the following command: Fill in the long name and user name for the bot when... Read More

IST / SOLL powershell script for Active Directory

Posted on 27/09/201913/01/2020 by

How to make a IST/SOLL overview from all your Active Directory (AD) users with just a single powershell command. This will give you a CSV file which you can import in Excel or a database with an overv... Read More

Validating Leaked Passwords with k-Anonymity using PHP

Posted on 18/07/201913/01/2020 by

These days you can check if passwords are already breached in the pwnedpasswords.com database. You can just add this function to your php page or functions file. It uses k-Anonymity and so only sends ... Read More

Create an encrypted container in linux

Posted on 18/02/201914/04/2020 by

In case you have some files which you want to have encrypted in a secured container, like a password-ed zip file. When mapping this container file you have to enter a password or you can use a key fil... Read More

TLS Encryption on Postfix

Posted on 12/07/201813/01/2020 by

How to encrypt Postfix easily? Just add the following rules at the end of the config file /etc/postfix/main.cf: # SSL/TLS parameters smtpd_tls_cert_file=/path/to/your/certificate smtpd_tls_CAfile=/pat... Read More

How to score an A+ with Apache SSL/TLS encryption

Posted on 12/07/201813/01/2020 by

HTTPS Encryption is a hot topic these days.With TLS1.0 coming to end you are advised to disable all protocols lower than TLSv1.1. Please follow the guide underneath to only allow TLSv1.1 and 1.2 with ... Read More

Google Authenticator module for Apache

Posted on 24/06/201613/01/2020 by

Deprecated document In case you want to use the Google Authenticator for your website you can do the following: Installation 1. Place mod_authn_google.so in /usr/lib/apache2/modules. (Download from: h... Read More

MySQL – Corrupted InnoDB

Posted on 21/05/201513/01/2020 by

After, for example, the restore of a bare-metal-backup it is possible that MySQL InnoDB is corrupted. How to fix this: Backup all databases Enable InnoDB recovery: # vim /etc/my.cnf Add: innodb_force_... Read More