Famous Motivational Quotes!
1) An hour lost a day is an hour lost forever. - Harold Arlin 2) You can’t go back and change the beginning, but you can start where you are…
Adding a service (TeamCity Agent) to systemd
This configuration is a systemd service unit file for managing a TeamCity Build Agent. cat /etc/systemd/system/teamcity-agent.service After=network.target: This directive ensures that the service starts only after the network is available.…
About Car Insurance Policies?
This is my insurance policy, it doesn't have collision coverage, which is also very important but optional in the state of VA, more information about collision coverage is at the…
About Google Maps and Cardinal Directions
Google Maps when walking When using Google Maps, it can sometimes be confusing to know which direction to head in to reach your destination. Occasionally, this confusion can lead us…
Ansible Roles vs Collections and installing them from Galaxy
Roles - Roles are community-provided resources in Ansible. - They serve as standardized solutions for common tasks, making it easier for users to work with Ansible. - Users can incorporate…
All about system-resolved DNS resolution
You might be familiar with the /etc/resolv.conf file and configuring it by manually specifying the desired name servers for DNS resolution. However, the configuration within /etc/resolv.conf can also be dynamically…
SSH public key authentication fails under what kind of scenarios?
Scenario 1 I recently encountered an issue while attempting to log in to a server with an LDAP user using SSH public key authentication. Unfortunately, the public key authentication was…
Harnessing The Potential Of SSH Keys Within Your Dockerized Environment
If you find yourself in a situation inside your Docker container where you need to clone a Git repository using SSH keys, but the SSH keys are located within your…
AWS NACL and Security Group?
Both NACL and Security Group function as virtual firewalls in your VPC; however, there's a key distinction between them. NACL operates at the subnet level, whereas Security Group functions as…
Upgrading docker in Ubuntu and its impact on running containers?
Suppose the current Docker version is 18.09, and the target version for the upgrade is 20.10. There are several methods for upgrading, such as manual upgrading, utilizing convenience scripts, or…
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