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Saturday, 29 May 2021

Git Manage Remotes

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 Task: The xFusionCorp development team added updates to the project that is maintained under /opt/news.git repo and cloned under /usr/src/k...
1 comment:
Wednesday, 26 May 2021

Puppet Setup File Permissions

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Task: The Nautilus DevOps team has put data on all app servers in Stratos DC. jump host is configured as Puppet master server, and all app s...
Saturday, 22 May 2021

Docker Copy Operations

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Task:  The Nautilus DevOps team has some conditional data present on App Server 1 in Stratos Datacenter. There is a container ubuntu_latest ...
Friday, 21 May 2021

Deploy Nginx Web Server on Kubernetes Cluster

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Task: Some of the Nautilus team developers are developing a static website and they want to deploy it on Kubernetes cluster. They want it to...
1 comment:
Wednesday, 19 May 2021

Rolling Updates And Rolling Back Deployments in Kubernetes

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Task: There is a production deployment planned for next week. The Nautilus DevOps team wants to test the deployment update and rollback on D...
Wednesday, 12 May 2021

How to write regex for apache ProxyPassMatch to reverse proxy API calls

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 Step 1) Shutdown apache  Step 2) Edit httpd.conf file and add the following modules.  LoadModule proxy_module modules/mod_proxy.so LoadModu...
Tuesday, 11 May 2021

Ansible Replace Module

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 Task: There is data on all app servers in Stratos DC. The Nautilus development team shared some requirement with the DevOps team to alter s...
Sunday, 9 May 2021

Ansible playbook to create a file on remote host and change the permissions

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 Task: The Nautilus DevOps team is working to test several Ansible modules on servers in Stratos DC. Recently they wanted to test file creat...
1 comment:
Monday, 19 April 2021

Run Nginx as a Docker Container

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Task: Nautilus DevOps team is testing some applications deployment on some of the application servers. They need to deploy a nginx container...
Friday, 16 April 2021

Create Replicaset in Kubernetes Cluster

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Task:  The Nautilus DevOps team is going to deploy some applications on kubernetes cluster as they are planning to migrate some of their app...
Monday, 12 April 2021

Build a ubuntu image and run apache instance using Dockerfile

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 As per recent requirements shared by the Nautilus application development team, they need custom images created for one of their projects. ...
Saturday, 10 April 2021

Build an Apache Instance using a Dockerfile

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Step 1) Create a Dockerfile  [root@stapp03 docker]# ls -rtl total 12 drwxr-xr-x 2 root root 4096 Apr 11 02:53 html drwxr-xr-x 2 root root 40...
Wednesday, 17 March 2021

Ansible playbook loop with condition example

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[osboxes@master ansible-playbooks]$ cat loopwithcondition.yml - hosts: all   tasks:   - name: Ansible loop with conditional example     debu...
Tuesday, 16 March 2021

Ansible when condition with "in" keyword

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Task: Check the disk space of the file system When the operating system is "RedHat" or  "CentOS" or "Debian" u...
2 comments:
Monday, 15 March 2021

Deploy an App on Docker Containers using docker-compose

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Task: The Nautilus Application development team recently finished development of one of the apps that they want to deploy on a containerized...
3 comments:
Monday, 8 March 2021

Ansible when condition examples

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 Task: Install http package using yum module and load services, enable services, start services when Operating system is "CentOS" ...

Puppet Setup NTP Server

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 Task: While troubleshooting one of the issue on app servers in Stratos Datacenter DevOps team identified the root cause that the time isn...
Saturday, 6 March 2021

Rolling Updates in Kunbernetes

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 Task: We have an application running on Kubernetes cluster using nginx web server. The Nautilus application development team has pushed som...
Friday, 5 March 2021

GIT - Working with Remote repository GITHUB

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Setup SSH Authentication with GITHUB Repository Generate ssh keys on your linux machine [osboxes@master ansible-playbooks]$ ssh-keygen -t rs...