How to: Set/Configure Static IP Address/DHCP for Ubuntu Server/Desktop 18.04/19.04/19.10 via Terminal using netplan

Before starting the process, make sure you have other ways/backup method to access your server/desktop rather than over LAN/WAN in case if the connect is lost. Using netplan (For older versions we can use “sudo apt install netplan.io” to install netplan) netplan is a YAML network configuration tool [1] 1 First we need to check …

How to: Create Docker Swarm Cluster (With 3 servers) Easily (And install portainer to manage them)

Purpose of this guide We will learn how to create a docker swarm cluster with 1 manager node and 2 worker nodes What do we need to follow this guide A spare computer with Windows operating system (Windows/macOS/Linux) as working PC 3 up to date Ubuntu Server 19.10 /Linux servers (Can be real server can …

How to: Fix Ubuntu Server 19 “Cockpit Cannot refresh cache whilst offline” and “Cannot refresh cache whilst offline” Errors

The Error When cockpit is installed on Ubuntu Server 19, we might get following errors Cockpit Cannot refresh cache whilst offline Cannot refresh cache whilst offline The Fix By disabling the network-manager, we can resolve those errors (Yes, It’s more of workaround rather than fix) Warning: Do not run these commands on production server, unless …

How to: Install Portainer on Ubuntu (Linux etc.) (Single node/Standalone Linux Docker host/Single node swarm cluster)

What is portainer? An lightweight, open source and easy to use tool for managing Docker environment with web GUI, it can also manage docker swarm cluster. If you are after some heavy weight management software alternatives, Rancher can be a good one to look into. It’s an open source multi-cluster orchestration platform. How to Install …

How to: Fix “Could not get lock…” “Unable to lock directory…” in OpenMediaVault (OMV)

The Error Sometimes when we want to install some tools/program with “sudo apt install program” in OMV via terminal/SSH we encounter following error which blocks us from installing the program E: Could not get lock /var/cache/archives/lock – open (11: resource temporarily unavailable) E: Unable to lock directory /var/cache/apt/archives The Fix Usually, that means we have …

How to: Find “Quarantine” in new Office 365 admin center?

Where is “Quarantine” page which we can use to review and release false-positive spam/phishing emails? To Navigate to “Quarantine” page in the new Office 365 admin center. Method 1 – Through clicks 1 Login to Office 365 Security & Compliance: https://protection.office.com/ 2 Navigate to “Thread management – Review” 3 Double click on “Quarantine” Method 2 …

How to: Add/Include folder to Windows 10 Library Remove/Delete folder from Windows 10 Library

If the Library icon is missing from “This PC” please refer to this guide to show it: How to Fix: Windows 10 Library missing/Missing Library icon in “This PC” & How to: Hide Library in Windows 10 Add/Include folder to Windows 10 Library 1 Open “This PC” or Navigate to the folder that we want …

How to Fix: Windows 10 Library missing/Missing Library icon in “This PC” & How to: Hide Library in Windows 10

What is Windows 10 Library in short The “Libraries” in the red rectangle is Windows 10 Library How to bring it back/Show it, if it’s not there? 1 Right click in one of the areas marked in red rectangle 2 Click on “Show libraries” 3 Now the Libraries folder is back in This PC How …

How to: Find out “lost/missing” document/file from Microsoft Office 365 (Document/File saved to wrong place in SharePoint/OneDrive)

Warning: This simple guide is for people who actually saved file or document to wrong place without paying attention and want to find out the file. Sometimes, when we saving files to SharePoint, especially when the path is very long, we can save to wrong spot without knowing, until we want to use the file …