System & Network Admin

System & Network Admin

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Ansible failed to connect to the host via ssh - Quick solution
Ansible failed to connect to the host via ssh - Quick solution
Looking for how to fix Ansible error failed to connect to the host via ssh? We can help you. Ansible saves time by automation of server tasks. However, improper host entry in the Ansible Inventory file or bad SSH configuration can create connection errors too. At Bobcares, we get requests to fix Ansible errors as […]
·bobcares.com·
Ansible failed to connect to the host via ssh - Quick solution
Why Observability and Monitoring Matter to SREs
Why Observability and Monitoring Matter to SREs
There are some key differences between observability and monitoring especially with regard to what both practices mean for SREs.
·devops.com·
Why Observability and Monitoring Matter to SREs
How to Set or Change System Hostname in Linux
How to Set or Change System Hostname in Linux
In this article, we will show you how to set system hostname or domain name permanently in Linux using hostname and hostnamectl command.
·tecmint.com·
How to Set or Change System Hostname in Linux
Rethinking Your Approach to Ops Governance
Rethinking Your Approach to Ops Governance
Every organization has the ability to attain a "trust and verify” governance approach and meet the needs of both dev and ops.
·devops.com·
Rethinking Your Approach to Ops Governance
Top 5 Must-Haves for IaC Automation Tools
Top 5 Must-Haves for IaC Automation Tools
Here are the the top five must-haves for any infrastructure-as-code (IaC) automation platform you're considering for your organization.
·devops.com·
Top 5 Must-Haves for IaC Automation Tools
How to automatically start tmux on SSH session?
How to automatically start tmux on SSH session?
I have ten or so servers that I connect to with SSH on a regular basis. Each has an entry in my local computer's ~/.ssh/config file. To avoid losing control of my running process when my Internet
·stackoverflow.com·
How to automatically start tmux on SSH session?
How to Rsync Files Between Two Linux Servers Automatically
How to Rsync Files Between Two Linux Servers Automatically
Setting up a backup server to take over a primary server’s operations when it becomes a victim of server downtime issues is a skill set that most users need.
·linuxshelltips.com·
How to Rsync Files Between Two Linux Servers Automatically
Create a timer on Linux
Create a timer on Linux
The timing of certain events is a common task for a developer. Common scenarios for timers are watchdogs, cyclic execution of tasks, or scheduling events for a specific time. In this article, I show how to create a POSIX-compliant interval timer using timer_create(...). You can download the source code for the following examples from GitHub.
·opensource.com·
Create a timer on Linux
A Tale Of Two Optimisations
A Tale Of Two Optimisations
A couple of months ago I wrote a toy program called whitespacer. Ever since, I’ve had this gnawing feeling that I could have done it better; that it could have been written in a more performant manner.
·articles.foletta.org·
A Tale Of Two Optimisations
5 Best OpenSSH Server Best Security Practices
5 Best OpenSSH Server Best Security Practices
In this article, I will show you some simple tools and tricks that will help you to prevent ssh servers from brute force and dictionary attacks.
·tecmint.com·
5 Best OpenSSH Server Best Security Practices
IoT development using Raspberry Pi, Elixir and Nerves
IoT development using Raspberry Pi, Elixir and Nerves
Today I am going to be talking about IoT (Internet of Things) development using Raspberry Pi and Elixir), using Nerves IoT platform. I usually work on web applications, but I started learning about embedded devices development to expand my expertise....
·blog.mnishiguchi.com·
IoT development using Raspberry Pi, Elixir and Nerves
Platform
Platform
Nerves is a complete IoT platform and infrastructure for you to build and deploy maintainable embedded systems.
·nerves-project.org·
Platform
NervesHub
NervesHub
NervesHub is an extensible web service that allows you to manage over-the-air (OTA) firmware updates of devices in the field.
·nerves-project.org·
NervesHub
Clustering Elixir with Gigalixir
Clustering Elixir with Gigalixir
Clustering your Elixir application will help provide redundancy and give it higher availability. In this episode, we'll learn how to cluster an Elixir application on Gigalixir using libcluster.
·elixircasts.io·
Clustering Elixir with Gigalixir
Gigalixir
Gigalixir
·gigalixir.com·
Gigalixir