Playing around with Podman 1alias docker="sudo podman $1" The above command works as of this time and podman makes namespaces for every users for every resources, i.e., images, containers and so on. It means, podman images and sudo podman images will show different resources.😎 1sudo podman pod create --name …

Kubectl Installation 1curl -LO "https://storage.googleapis.com/kubernetes-release/release/$(curl -s https://storage.googleapis.com/kubernetes-release/release/stable.txt)/bin/linux/amd64/kubectl" 2chmod +x kubectl 3echo $PATH 4sudo mv kubectl /usr/local/bin/ Minikube Installation 1curl -LO …

This article is based on the content of aws knowledgebase. You might have been stuck in memory leak when building some kinda javascript-heavy frontend apps like Vue or React on a cloud server itself. Just for serving built artifacts, we do not need large instances, but still the building process is always hungry for …

This article is based on the contents of the Github's documentation. You will get your own verified badge on every git commits once you configure your GPG key with your VCS. First things first, check your gpg version using this command: 1gpg --version Allow me to assume that you are on version 2.1.17 or greater. Use …

As a software engineer or a DevOps engineer, you may come up with boring tasks frequently, one of which is setting up a new cloud environment for deployment of your awesome web apps/micro services. Using the following script, you will lose the dull pain. Just grab the script and run it with bash, then you will get the …

I strongly believe that "lazy developer" is a synonym of "talented developer" from a motivational point of view. Okay, let's get started with Jenkins setup then. Let's go for password login for deployment, remembering that it's not the only way nor an elegant way of implementation, but just follow …

Today I'm going to share a neat way to set up your let's encrypt (up-to-date way in 2020). First off, we will have to get the script using this command: 1wget https://dl.eff.org/certbot-auto Then enable the script to run globally as we expect using this commands: 1chmod +x certbot-auto 2mv certbot-auto certbot 3echo …

Nginx.org maintains a repository for Ubuntu. We can use this repository to install the latest version of Nginx. First off, let's create a repository source file for Nginx with the following command. 1vim /etc/apt/sources.list.d/nginx.list Paste in the following two lines to the file: 1deb [arch=amd64] …

Once you got your account on CircleCI and setup your project linked to your git repository, you will have to have a directory named “.circleci” inside the root of your project repo. Create a file named “config.yml” in there. Grab the sample script given by CircleCI platform according to your project type. The first …

Let’s say one of your micro services is running on http://localhost:3000 If you already have a nginx service running on the server, create a server block like this: 1vim /etc/nginx/sites-available/domain.com.conf Grab this content to paste in: 1server { 2 3 server_name domain.com; 4 5 root /var/www/html; 6 index …

Let’s say there are two pull requests open on a project repository. Each change has its own branch like this: master feature/add-base64-endpoint feature/add-user-agent-endpoint The challenge is to use git rebase to add both changes to master. When you finished, your master branch should have three commits in the …

I think this is really important in practical docker battle field. 🙂 Let’s go for the docker-compose.yml first. 1version:'3'23services:4nginx:5image:nginx:1.15-alpine6restart:unless-stopped7volumes:8- ./data/nginx:/etc/nginx/conf.d9- ./data/certbot/conf:/etc/letsencrypt10- …

Let’s go for our docker-compose.yml first. 1version:'3'23services:4wp:5image:wordpress:latest6ports:7- ${IP}:80:808volumes:9- ./php.conf.ini:/usr/local/etc/php/conf.d/conf.ini10- …

To run a container from an image: 1docker container run -it --rm ubuntu /bin/bash -t: terminal inside -i: (STDIN) grabbing –rm: remove container automatically when process exits –name: name the container or daemon -d: daemonize the container running To list all containers: 1docker container ps -a To start or stop …

Today I am going to follow up the procedures to setup standard LAMP stack on CentOS 7. For the latest version of phpMyAdmin: 1rpm --import /etc/pki/rpm-gpg/RPM-GPG-KEY* 2yum -y install epel-release For MariaDB: 1yum -y install mariadb-server mariadb 2systemctl enable --now mariadb 3mysql_secure_installation For Apache: …

Simply follow this script: 1apt update -y 2apt install software-properties-common -y 3add-apt-repository universe -y 4add-apt-repository ppa:certbot/certbot -y 5apt update -y 6install certbot python-certbot-nginx -y 7certbot --nginx Your server should now be all set to relay on https. 🙂 As for Apache, you could refer …

Simply follow this script below: 1yum install epel-release -y 2yum install certbot python-certbot-apache mod_ssl -y 3certbot --apache Create a cron job which renews certification once a week. 1crontab -e 10 0,12 * * * python -C 'import random; import time; time.sleep(random.random() * 3600)' && certbot …

First off, install nginx on the server machine. 1yum update 2yum install epel-release 3yum install nginx Edit the nginx config file then. 1cd /etc/nginx/nginx.conf 2vim nginx.conf Edit the file like this: 1server_name domain.com; If you are not going to use domain name, a public ip address would also work instead of …

PM2 is a process manager for nodejs apps. It daemonizes apps built with nodejs, which means run-as-service. Let’s install PM2 using npm. 1npm install -g [email protected] Now you can start your app using pm2 like so: 1pm2 start app.js Next, register the app as startup process. 1pm2 startup systemd 2pm2 save You can check the …

CI/CD Build History You might have ever been stuck in continuous deployment with codeship. Hacking principle of CI/CD is all the same in other platforms like CircleCI, Codefresh, TeamCity, etc. Okay, let’s get started. First off, connect your version control app such as github, gitlab or bitbucket to the Codeship.\ …