Fixing Vesta CP Exim Email Incoming error with T=local_delivery defer (-1): Malformed value “0MM” Rumi, December 24, 2021December 25, 2021 ******** Applicable for vesta cp 1.0.0-5 version) ******** If you lately encounter an issue with mail incoming with vesta cp after an auto update took place, your /var/log/exim/main.log shows something similar below- 2021-12-19 03:39:42 1mxheU-000374-0o == mail@domain.com R=localuser T=local_delivery defer (-1): Malformed value “0MM” (expansion of “${extract{6}{:}{${lookup{$l$…. Step-1 Finding vesta… Continue Reading
Pushing Docker Images to a Docker Repository Rumi, December 21, 2021 The next logical step after creating a new image from an existing image is to share it with a select few of your friends, the whole world on Docker Hub, or other Docker registry that you have access to. To push an image to Docker Hub or any other Docker… Continue Reading
Docker Commands Rumi, December 21, 2021 Working with Docker Images Docker containers are built from Docker images. By default, Docker pulls these images from Docker Hub, a Docker registry managed by Docker, the company behind the Docker project. Anyone can host their Docker images on Docker Hub, so most applications and Linux distributions you’ll need will have… Continue Reading
Install Docker on Debain 10 Rumi, December 21, 2021 Installing Docker The Docker installation package available in the official Debian repository may not be the latest version. To ensure we get the latest version, we’ll install Docker from the official Docker repository. To do that, we’ll add a new package source, add the GPG key from Docker to ensure… Continue Reading
Bash Script To Restart Linux Server Services Rumi, December 21, 2021 Here’s the command line code to create the file in nano: sudo nano /opt/launch-crashed-services.sh Here is the bash script. #!/bin/bash service mysql status | grep ‘active (running)’ > /dev/null 2>&1 if [ $? != 0 ] then sudo service mysql restart > /dev/null fi service nginx status | grep ‘active… Continue Reading
Build an openDNS recursive resolver DNS using Bind Rumi, December 18, 2021August 9, 2023 It’s a small thing, but someone might feel it to be useful of running a public DNS like google has 8.8.8.8. You actually can build a recursive DNS and serve to the world (instead to your network user only! 🙂 ) Install Bind apt install bind9 bind9utils -y It’s pretty… Continue Reading
Install Proxmox VE 7 on Debian 11 (Bullseye) Rumi, December 16, 2021 In this guide, we will cover a step-by-step installation of Proxmox VE 7 virtualization software on Debian 11 (Bullseye) Linux system. It’s recommended to deploy Proxmox VE server from a Bare-metal_ISO_Installer, but it’s sometimes inevitable to deploy it on a running instance of Debian 11 (Bullseye) server. Setup Pre-requisites For… Continue Reading
Install Netxtcloud on Debian 10 Rumi, December 16, 2021 Install Apache, MariaDB and PHP NextCloud runs on the webserver, written in PHP and uses MariaDB to store their data. So you will need to install Apache, MariaDB, PHP and other required packages on your system. You can install all of them by running the following command: apt-get install apache2… Continue Reading
SSL on Debian 10 Apache2 Rumi, December 16, 2021 Assuming you have an SSL certificate already downloaded and available on the server. root@www:~#nano /etc/apache2/sites-available/default-ssl.conf # line 3: change admin email ServerAdminwebmaster@srv.world # line 32,33: change to the certs gotten in section [1] SSLCertificateFile /etc/letsencrypt/live/www.srv.world/cert.pem SSLCertificateKeyFile /etc/letsencrypt/live/www.srv.world/privkey.pem # line 42: uncomment and change to the chain-file gotten in section SSLCertificateChainFile… Continue Reading
Install a Sectigo Domain Validation SSL certificate in Zimbra Rumi, December 16, 2021 We usually get the below four files from Sectigo in the certificate bundle. The file name may vary depending on the certificate type yourdomain.com.crt – main certificate AAACertificateServices.crt – Root Certificate USERTrustRSAAAACA.crt – Intermediate Certificate – 1 SectigoRSADomainValidationSecureServerCA.crt – Intermediate Certificate – 2 Step 1: We shall create two files as… Continue Reading