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Last week my phone was flooded with notification emails 📬.

Scan for disk-changes if those happened in a vm-environment by $host echo 1 > /sys/block/sda/device/rescan Install cloud-guest-utils which provide growpart apk add cloud-utils-growpart # or: yum install cloud-utils-growpart # or: apt install cloud-utils E…

Irgendwie hab ich mein gesamtes Mail Archiv beim Anpassen eines Volumes gelöscht 🙈 Also schnell ins Backup geschaut und … naja das war leider korrupt 😱 Kein Backup kein Mitleid, die Mails waren weg.

If you find this article helpful, you might want to consider using my referral code (ARM7IBQY) to sign-up for Shadow.

Alpine is a super small linux distribution.

Installing OpenCV 4 on Linux is difficult, but can be done.

These interests are the main reasons for many blog authors to switch to static site generators like Jekyll or Hugo.

Checking your phone’s network traffic is often very interesting.

This list contains some of my personal settings and optimizations I normally use in VS Code.

I recently created a new mysql backup script.

If you want to use JavaFX with OpenJDK 8 on Ubuntu you have to install an older version of OpenJFX and its dependencies. sudo apt install openjdk-8-jdk openjfx=8u161-b12-1ubuntu2 libopenjfx-java=8u161-b12-1ubuntu2 libopenjfx-jni=8u161-b12-1ubuntu2 Hold the

This is a collection of regex expressions I often use.

I was recently introduced to a new software called Traefik.

I recently started to add some security features to my asterisk server.

Wer mit Pfsense oder OPNsense seine Firewall Zuhause oder im Betrieb betreibt und zusätzlich noch Voip Telefonie hinter dieser nutzen möchte kommt schnell auf ein kleines Problem.

Da ich selber andauernd die richtige Konfiguration der verschiedenen Provider nach lesen muss und auch öfters danach gefragt werde, beginne ich nun hier mal mit einer kleinen Sammlung.

Because newer Ubuntu versions are using systemd for dns resolution instead of resolvconf, you need to modify your Openvpn client config a bit.

When using a lxc container in Proxmox it (sometimes) happens that Proxmox overrides the network config of the container and applies its own.

As recommended you should add reject_sender_login_mismatch to your sender_restrictions to only allow users to send with their own address as FORM.

DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" >/dev/null 2>&1 && pwd )"

Dieser Eintrag wurde nach der Erstveröffentlichung wesentlich erweitert und verändert.

There are diffrent ways to support IPv6 in Docker.

Stop reloading your browser by hand anytime your css, js or template re-renders.

VoIP ISDN Funktionalitäten Die Deutsche Glasfaser offeriert in all ihren Tarifen die Telefonie mit VoIP.

tcpdump -i any tcpdump -i eth0 tcp port 80 tcpdump -i eth0 tcp port 80 or 443 tcpdump -i eth0 icmp tcpdump -i eth0 icmp6 More details Interesting blog post about tcpdump

A while ago I started to build a smart home integration for my door bell.

One of my main problems while connecting to a serial device was a software called ModemManager which automatically opened a connection to my devices on plug-in.

nano /lib/systemd/system/docker.service and change ExecStart=/usr/bin/dockerd -H fd:// -H tcp://0.0.0.0:2375 [...] and restart docker with: systemctl daemon-reload service docker restart Source: [StackOverflow][1] tested on: Distributor ID: Ubuntu Descrip…

ssh -R 8080:localhost:80 user@publicip ssh -R remote-port:pc-in-local-network:port-on-pc-in-local-network user@publicip

The Bash Prompt is the text on your console before the actual command. echo $PS1 If you get displaying errors or just want a shorter prompt just use: PS1="# "

Useful commands Remove dangling images docker rmi $(docker images --quiet --filter "dangling=true") Update Composer Project Dependencies docker run --rm -ti -v $PWD:/app -v /home/anton/.ssh/:/root/.ssh composer update --ignore-platform-reqs --no-scripts e…

ssh-keygen -t rsa -b 4096 ssh-copy-id root@external-server.org Now login to your external server via: ssh root@external-server.org

I recently wanted some kind of high availability for my private websites and applications, so I decided to setup a second server at my dads office as a failover system.

Install this register key to let your capslock behave like a simple shift key and don’t forget to reboot!

Search for a string recursively grep -rnw './' -e "imsearchingyou" only specific files: grep -rnw './' --include=".php" -e "imsearchingyou" or a bit more clearly: grep -Hornw './' -e "imsearchingyou" Edit the default version of an alternatives software up…

neues repository erstellen erstelle ein neues Verzeichnis, öffne es und führe git init aus, um ein neues git-Repository anzulegen. ein repository auschecken erstelle eine Arbeitskopie, indem du folgenden Befehl ausführst: git clone /pfad/zum/repository Fa…

TFTP Server Install and Setup Install following packages. sudo apt-get install xinetd tftpd tftp Create /etc/xinetd.d/tftp and put this entry service tftp { protocol = udp port = 69 socket_type = dgram wait = yes user = nobody server = /usr/sbin/in.tftpd…

Download this file and execute it as an administrator.