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
osTicket Automated Install Script Rumi, December 13, 2021 osTicket is one of the leading open source ticketing systems. Here’s an easy way to spin up an instance on Ubuntu. Note: This script is purely intended for use in short-lived demo systems. The passwords are obvious (password !?) and there is no hardening applied to any of this system…. Continue Reading
Configuring SMTPS in Virtualmin Rumi, December 13, 2021December 13, 2021 Under System Settings > Server Templates (and under the dropdown menu “Edit template section”) > Mail client auto-configuration. In the section Thunderbird auto-configuration XML, under the heading outgoingServer, I changed the port from $SMTP_PORT to $SMTPS_Port and selected XMLtemplate below as opposed to Automatically generated. My XML template is therefore… Continue Reading
Mapping drives with Windows Explorer in Nextcloud Rumi, November 26, 2021November 26, 2021 To map a drive using the Microsoft Windows Explorer: Open Windows Explorer on your MS Windows computer. Right-click on Computer entry and select Map network drive… from the drop-down menu. Choose a local network drive to which you want to map Nextcloud. Specify the address to your Nextcloud instance, followed… Continue Reading
Install SmokePing on CentOS 7 Rumi, August 6, 2021August 7, 2021 This tutorial explains how to install Tobias Oetiker’s Smokeping into /opt/smokeping on a CentOS 7 box. Features of Smokeping: – Best of breed latency visualisation. – Interactive graph explorer. – Wide range of latency measurement plugins. – Master/Slave System for distributed measurement. – Highly configurable alerting system. – Live Latency… Continue Reading