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Tag: Ubuntu

Troubleshooting ubuntu: dpkg: unrecoverable fatal error, aborting: files list file for package ‘linux-generic’ is missing final newline

Rumi, September 15, 2023

If you ever encounter with such similar of an error (in my case it occurred on my Ubuntu 20 distro), you may apply the following process to get a fix.  The error: Reading package lists… Done Building dependency tree Reading state information… Done Calculating upgrade… Done The following packages will…

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Install mail server on Ubuntu or Debian

Rumi, September 12, 2023

Disclaimer: This howto is tested on Ubuntu 16, 18, 20 and Debian 10, 11 edition. Installing and configuring  postfix Step 1 » Assign static IP and hostname and add a host entry for the host name . Assign hostname in /etc/hostname mail.tweenpath.net Add a host entry in /etc/hosts 192.168.1.10 mail.tweenpath.net…

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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

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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…

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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…

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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…

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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…

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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…

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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…

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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…

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Myself…

Hi, I am Hasan T. Emdad Rumi, an IT Project Manager & Consultant, Virtualization & Cloud Savvyfrom Dhaka, Bangladesh. I have prior experience in managing numerous local and international projects in the area of Telco VAS & NMC, National Data Center & PKI Naitonal Root and CA Infrastructure. Also engaged with several Offshore Software Development Team.

Worked with Orascom Telecom-Banglalink, Network Elites as VAS partner, BTRC, BTT (Turkey) , Mango Teleservices Limited and Access to Informaiton (A2I-UNDP)

Currently working at Oracle Corporation as Principal Technology Solution and Cloud Architect.

You can reach me [h.t.emdad at gmail.com] and I will be delighted to exchange my views.

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