Author: IT Expert

Christian, Microsoft MVP, Veeam Vanguard & Legend (2021–2026), VMware vExpert, and Cisco Champion, shares expert guides, how-to tutorials, troubleshooting insights, and technical tips across Windows, Linux, Mac, databases, cloud, networking, hardware, and information security.

Stop an application from starting up automatically on macOS

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Stop an application from starting up automatically on macOS

Having multiple apps launch at startup can slow down your Mac’s boot time and consume system resources unnecessarily. In this article, we shall discuss How to stop an application from starting up automatically on macOS. Please see How to start an application automatically on Mac, Program startup: How to launch an application automatically during startup…

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Mac

How to Set Quicktime or VLC as a default player on macOS

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How to Set Quicktime or VLC as a default player on macOS

For Mac users, QuickTime Player is the first choice since it is bundled with Mac OS X. For Windows users, it’s better to choose VLC Media Player. The main difference between the two players is iTunes movies. QuickTime Player can play iTunes M4V movies while VLC Media Player can’t play M4V movies directly. In this…

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Mac

AWS Command-Line Interface: How to configure AWS CLI [Part 1]

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AWS Command-Line Interface: How to configure AWS CLI [Part 1]

The AWS Command Line Interface (CLI) is a unified tool to manage your AWS services. With just one tool to download and configure, you can control multiple AWS services from the command line and automate them through scripts. The AWS CLI v2 offers several new features including improved installers, new configuration options such as AWS…

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AWS/Azure/OpenShift

How to prevent emails from going into a junk folder in Office365

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How to prevent emails from going into a junk folder in Office365

My use case was Nagios notification not delivering into our user’s inbox but rather into the Junk folder because of not having the right domain name. In other to prevent this false positive from moving emails from a specific Email ID to the JUNK folder in Outlook. Kindly refer to this related guide: How to…

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Network | Monitoring

What to do after increasing the Memory of Oracle Database

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What to do after increasing the Memory of Oracle Database

This article discusses What to do after increasing the Memory of Oracle Database. After altering (increasing) the ‘memory max target’ and ‘memory target’ of an Oracle database, you will have to run these statements as sysdba to restart the database. By not doing so, you will not have the necessary permission to perform some necessary…

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Oracle/MSSQL/MySQL

How to Reset a Snom Phone

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How to Reset a Snom Phone

This short piece will discuss how to reset a Snom Phone. Having had various scenarios where an existing configuration of the phone system cannot be overwritten or reconfigured. I found a simple solution to restore to factory settings and could reconfigure the telephone system and assign the right IP Address etc. to the phone. How…

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Network | Monitoring

Perform continuous ping on OSes and network Appliances

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Perform continuous ping on OSes and network Appliances

In this article, we shall discuss “Perform continuous ping on OSes and network Appliances (macOS, Linux, Windows, Juniper and Cisco devices)”. Ping is referred to as “Packet Internet Groper”. It is used to troubleshoot the accessibility of devices between two endpoints i.e., to ensure data packet is transmitted to its destination successfully. Please see how…

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Mac, Windows, Windows Server

Ping from Source IP Address from all environments

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Ping from Source IP Address from all environments

In this article, we shall discuss the various steps on how to Ping from Source IP Address from all environments. Ping is a network diagnostic utility employed to test the reachability of a device (host), and network appliances on an Internet Protocol (IP) network. Please see how to Analyse Disks with Treesize: Defragment and Shrink…

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Mac, Windows, Windows Server

Remove an icon from launchpad that has been deleted

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Remove an icon from launchpad that has been deleted

Launchpad is the application launcher for Mac. It enables you to easily find and open apps on Mac by adding the app icon into this utility. Moreover, it helps you to organizes the apps on Mac like on iPhone or iPad. Such as dragging the app location, create a folder, etc. In this article, we…

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Mac

Chef – Node Bootstrapping

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Chef – Node Bootstrapping

The Chef-Client agent runs Chef recipes on both physical and virtual servers, often called nodes or instances. Associating nodes with the Chef ensures the chef server installs the chef-client software on the nodes. Note: The minimum supported version of chef-client on nodes associated with OpsWorks for ChefAutomate Server is 12.16.42. We recommend running chef-client 13.6.4. Chef – Node Bootstrapping…

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Configuration Management Tool

Repo: How to setup Chef Repository

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Repo: How to setup Chef Repository

As discussed in https://techdirectarchive.com/2018/12/14/get-started-with-opsworks-for-chef-automate/  It is recommended to placed in Git of any of the VCS your cookbooks etc. A Chef repository contains several directories. Each directory in the StarterKit contains a README file that describes the directory’s purpose, and how to use it for managing your systems with Chef. There are two ways to get…

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Configuration Management Tool

Get Started with OpsWorks for Chef Automate

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Get Started with OpsWorks for Chef Automate

AWS OpsWorks for Chef Automate provides a fully managed Chef Automate server and suite of automation tools that give you workflow automation for continuous deployment, automated testing for compliance and security, and a user interface that gives you visibility into your nodes and their status Provision a Chef Automate Server in AWS. Follow this link https://aws.amazon.com/opsworks/chefautomate/ and ‘click on get Started…

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AWS/Azure/OpenShift