Marcel Witzel 
Jeder IT´ler oder zumindest der, der sich so schimpfen möchte, kennt es, irgendwann reicht einem der PC am Schreibtisch nichtmehr ganz. Ob’s die kleine eigene Cloud werden soll, der Fernzugriff auf die privaten Daten oder nur die kleine Überwachungskamera. Irgendwann muss ein Server für Zuhause her. Viele behelfen sich mit einem Raspberry Pi, einer kleinen … Read more
Just a quick Checklist for Backups before reinstalling Documents Desktop Mail Programm (Thunderbird, Outlook) Voice Apps (TeamSpeak, Skype, Teams) Browser (Chrome, Firefox, Opera) Windows Fonts VM´s Appdata
You need to connect to a VM behind NAT? Than use a Tunnel! But wait!? What if your friends needs also access? Create a User for only Tunnel! adduser <username> and after that, make sure he cant use the shell usermod -s /bin/true <username> and done! bye 🙂
You need to sync files between 2 Unix based systems? Why dont you use SSH to transfer the files crypted between. Here i show you how to generate the Keypair for it: The first step is to login on our source system and create a private key/public key pair. ssh-keygen -t rsa -b 4096 when … Read more
Remember the days in which you created ramdisks in DOS back in the 80s? Well, those days still exist. Debian creates a ramdisk every time you start the operating system and it’s not reserved as an exclusive system function. You can create as many of them as you have RAM for. Personally, I have 64GB … Read more
Before working with phpMyAdmin, you need to have some sort of SQL based Database installed on your server. We are using mariadb apt install mariadb-server after u set a safe password for the user “root” we are done with the install. so we are able to continue to the “phpMyAdmin” installation. (Maybe u need to … Read more
Sometimes you need to destroy or wipe data from hard drives (for example, before you sell your old hard drives on eBay) so that nobody else can access them. Simply deleting data (e.g. with rm) is not enough because that just removes the file system pointer, but not the data, so it can easily be … Read more
You want your Debian system always safe and the newest security related software installed? Than you should install the unattended-upgrades package! apt install unattended-upgrades Now your system looks every day for security updates!
You need to sync files between 2 Unix based systems? Why dont you use SSH to transfer the files crypted between. Here i show you how: The first step is to login on our source system and create a private key/public key pair. ssh-keygen -t rsa -b 4096 when you get asked for the directory … Read more
After installing Proxmox 4 you’ll probably encounter a popup with the following: You do not have a valid subscription for this server. Please visit www.proxmox.com to get a list of available options. If you don’t have a subscription this pop-up can be quite annoying so here’s how to remove it: sed -i.bak “s/data.status !== ‘Active’/false/g” … Read more