Upgrade Ubuntu 14 to Ubuntu 16 Rumi, August 28, 2023 I had a long old ubuntu 14 into my network, had an inevitable action to upgrade it to 16. Apply the simple 2 commands to make the updaration happening- sudo do-release-upgrade Use the below command for Ubuntu 14 machines: sudo apt-get dist-upgrade Continue Reading
Install Zabbix 5.x Monitoring Server on Ubuntu 20.04 Rumi, June 24, 2023 Zabbix is a free, open-source, and high-performance monitoring tool for servers, applications, and network devices. It uses agents to collect system metrics. It also monitors standard services such as SMTP or HTTP services and supports host monitoring via SNMP, TCP, and ICMP checks. It is designed for real-time monitoring of… Continue Reading
Install Zabbix Agent on Ubuntu 20.04 Rumi, June 21, 2023 Zabbix agent is installed on the remote host (target) to monitor the hard drive, memory processor, etc. The agent collects data and sends back to Zabbix Server. Zabbix agents can use passive or active checks to pass information. In passive check, Zabbix server (poller) requests an agent for certain information, and the agent sends back a… Continue Reading
Install ZFS on Ubuntu Rumi, May 17, 2023 Installing ZFS Filesystem on Ubuntu We will be using the command line Terminal application for the installation of the ZFS filesystem. To launch the command line Terminal, use the Ctrl+Alt+T keyboard shortcut. Now to install the ZFS filesystem on Ubuntu, issue the following command in Terminal: $ sudo apt install… Continue Reading
Install Xen Orchestra on Ubuntu 20 Rumi, March 21, 2023 Prework apt-get update && apt-get dist-upgrade Node.js For this particular installation node 16 is needed to be installed. Lets install- Add NodeSource PPA This command will add PPA sources required to be able to install NodeJS 16 on your Ubuntu 20.04 installation: curl -s https://deb.nodesource.com/setup_16.x | sudo bash Install NodeJS… Continue Reading
Flushing IPTables rule and allow all traffic for Debian or Ubuntu Rumi, March 20, 2023 Flushing all iptables chain rules shell script #!/bin/sh echo “Stopping IPv4 firewall and allowing everyone…” ipt=”/sbin/iptables” ## Failsafe – die if /sbin/iptables not found [ ! -x “$ipt” ] && { echo “$0: \”${ipt}\” command not found.”; exit 1; } $ipt -P INPUT ACCEPT $ipt -P FORWARD ACCEPT $ipt -P… Continue Reading
Install Collabora Online on Ubuntu 20 for Nextcloud Rumi, February 24, 2023 First, log in to your Ubuntu 20.04 server through SSH as the root user or any other user with sudo privileges: ssh root@IP_Address -p Port_number You will need to replace ‘IP_Address‘ and ‘Port_number‘ with your server’s respective IP address and SSH port number. Additionally, replace ‘root’ with the username of… Continue Reading
Install OnlyOffice 7 on Ubuntu 22 Rumi, February 24, 2023 Install OnlyOffice Document Server on Ubuntu OnlyOffice document server depends on PostgreSQL, Node.js, Redis Server, RabbitMQ server and Nginx. The following steps are tested on a Ubuntu 22.04 server but should also be applicable to Linux distributions in the Debian family. Install PostgreSQL on Ubuntu PostgreSQL is available from the default Ubuntu… Continue Reading
Setup HAProxy Load Balancer for MariaDB Galera Cluster Rumi, December 28, 2022December 28, 2022 If you check the above test scenario and try to create DBs on any of the nodes, you would see that the data would automatically sync between the nodes. Which means Availability is achieved. Now to achieve high availability we will use HaProxy as the loadbalancer. Set up another VM… Continue Reading
MariaDB Galera Cluster on Ubuntu 20 Rumi, December 28, 2022December 28, 2022 MariaDB Galera Cluster is a synchronous multi-master cluster for MariaDB with support for XtraDB/InnoDB storage engines. It has the following top features. It provides active-active multi-master topology You can read and write to any cluster node It has an automatic node joining Automatic membership control, failed nodes drop from the… Continue Reading