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How to perform kubernetes health check using probes

Kubernetes uses a readiness probe to decide when a service instance, that is, a container, is ready to accept traffic. Pods that are not ready (a Pod is ready only if all of its containers … See more

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URL: https://www.golinuxcloud.com/kubernetes-health-check/

9 commands to check if connected to internet with shell

WEB1. Ping Test. The very first tool I use to check if connected to internet is via ping utility.But do you know how to check ping or perform ping check to check if …

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How to perform Kubernetes RollingUpdate with examples

WEB2 kubectl set image deployment rolling-nginx nginx=nginx: 1.15 --record=true. 3 kubectl set image deployment rolling-nginx nginx=nginx: 1.16 --record=true. Here in …

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10+ commands to list all systemctl services with status

WEBWe can provided multiple state type with --state= argument where individual state values will be comma separated. For example to list all the systemctl service which …

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How to PROPERLY test port connectivity in Linux GoLinuxCloud

WEBIn this article we will cover different methods which can be used to test port connectivity between two or more Linux servers. We will use the term client and server …

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20 sar command examples in Linux [Cheat Sheet]

WEBDifferent examples to use sar command. The general syntax of sar command is: $ sar [option] [interval] [count] Now, let's have a look at some practical examples of …

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How to add or remove label from node in Kubernetes

WEBRemove label from a node. Use the following syntax to remove a label from a node: bash. kubectl label node <nodename> <labelname>-. As you can notice, we use …

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Samba Active Directory Setup [Step-by-Step] GoLinuxCloud

WEBSamba Active Directory - Introduction. Pre-requisites. Step 1: Set a Static IP Address on Rocky Linux. Step 2: Disable SELINUX. Step 3: Setup a Hostname (update …

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AWS Application Load Balancer Tutorial [Step-by-Step]

WEBStep-3: Configure Instance. Here we will configure the instance according to the requirements of the application. Through this, we can launch multiple instances from …

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5 simple methods to test ssh connection in Linux & Unix

WEBTopics we will cover hide. Method 1: Use timeout with bash utility to test SSH connection. Method 2: Use nmap to test SSH connection. Method 3: Use netcat or nc to …

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TIPS to keep Docker Container Running

WEB5. External Stops:. Description: A user or an orchestrator (like Kubernetes) can forcefully stop a container.. Example: Running the command docker stop …

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Linux Boot Process Explained Step by Step in Detail

WEBStages of Linux Boot Process (flowchart) 1. BIOS Stage. When the machine is powered on BIOS is the first one to be called to verify if the hardware is present in the …

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Kubernetes ConfigMaps usage to declare env variables

WEBHow to create ConfigMap. Example-1: Create ConfigMap using file. Example-2: Create Kubernetes ConfigMap using command line arguments. Example-3: Use …

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Steps to perform Kubernetes upgrade version (without downtime)

WEBStep 1.2: Create upgrade plan. Next we check the possible upgrade plans. Here kubeadm will analyse the Kubernetes Cluster and the available packages and …

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Kubernetes SecurityContext Capabilities Explained [Examples]

WEBYou can check this using getcap command. For example to check the list of capability assigned to ping command we can use: bash. [user1@test-statefulset-1 /]$ …

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How to Keep Alive SSH Sessions in Linux

WEBConfiguring SSH Client in Windows (Using PuTTY) Open PuTTY and navigate to the 'Connection' category in the settings. In the 'Seconds between …

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10+ mdadm command examples in Linux [Cheat Sheet]

WEB15 apt command practical examples in Linux [Cheat Sheet] You can create an md array using the mdadm --create command. You will need to specify the md name, …

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How to check Disk Interface Types in Linux [7 Methods]

WEBLinux commands to check Disk Interface Types 1. Using lspci command. lspci is a utility for displaying information about PCI buses in the system and devices …

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How to check security updates list & perform linux patch …

WEBPerform Patch Management in RHEL 6/7/8 Linux. Apply Patch Online. View and Install Vulnerabilities list with CVE. Update all available security updates list. Apply …

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