One place for hosting & domains

      Platform

      How To Set Up the Eclipse Theia Cloud IDE Platform on Ubuntu 18.04


      Introduction

      With developer tools moving to the cloud, adoption of cloud IDE (Integrated Development Environment) platforms is growing. Cloud IDEs are accessible from every type of modern device through web browsers, and they offer numerous advantages for real-time collaboration scenarios. Working in a cloud IDE provides a unified development and testing environment for you and your team, while minimizing platform incompatibilities. Accessible through web browsers, cloud IDEs are available from every type of modern device.

      Eclipse Theia is an extensible cloud IDE running on a remote server and accessible from a web browser. Visually, it’s designed to look and behave similarly to Microsoft Visual Studio Code, which means that it supports many programming languages, has a flexible layout, and has an integrated terminal. What separates Eclipse Theia from other cloud IDE software is its extensibility; it can be modified using custom extensions, which allow you to craft a cloud IDE suited to your needs.

      In this tutorial, you’ll deploy Eclipse Theia to your Ubuntu 18.04 server using Docker Compose, a container orchestration tool. You’ll expose it at your domain using nginx-proxy, an automated system for Docker that simplifies the process of configuring Nginx to serve as a reverse proxy for a container. You’ll also secure it using a free Let’s Encrypt TLS certificate, which you’ll provision using its specialized add-on. In the end, you’ll have Eclipse Theia running on your Ubuntu 18.04 server available via HTTPS and requiring the user to log in.

      Prerequisites

      Step 1 — Deploying nginx-proxy with Let’s Encrypt

      In this section, you’ll deploy nginx-proxy and its Let’s Encrypt add-on using Docker Compose. This will enable automatic TLS certificate provisioning and renewal, so that when you deploy Eclipse Theia it will be accessible at your domain via HTTPS.

      For the purposes of this tutorial, you’ll store all files under ~/eclipse-theia. Create the directory by running the following command:

      Navigate to it:

      You’ll store the Docker Compose configuration for nginx-proxy in a file named nginx-proxy-compose.yaml. Create it using your text editor:

      • nano nginx-proxy-compose.yaml

      Add the following lines:

      ~/eclipse-theia/nginx-proxy-compose.yaml

      version: '2'
      
      services:
        nginx-proxy:
          restart: always
          image: jwilder/nginx-proxy
          ports:
            - "80:80"
            - "443:443"
          volumes:
            - "/etc/nginx/htpasswd:/etc/nginx/htpasswd"
            - "/etc/nginx/vhost.d"
            - "/usr/share/nginx/html"
            - "/var/run/docker.sock:/tmp/docker.sock:ro"
            - "/etc/nginx/certs"
      
        letsencrypt-nginx-proxy-companion:
          restart: always
          image: jrcs/letsencrypt-nginx-proxy-companion
          volumes:
            - "/var/run/docker.sock:/var/run/docker.sock:ro"
          volumes_from:
            - "nginx-proxy"
      

      Here you’re defining two services that Docker Compose will run, nginx-proxy and its Let’s Encrypt companion. For the proxy, you specify jwilder/nginx-proxy as the image, map HTTP and HTTPS ports, and define volumes that will be accessible to it during runtime.

      Volumes are directories on your server that the defined service will have full access to, which you’ll later use to set up user authentication. To achieve that, you’ll make use of the first volume from the list, which maps the local /etc/nginx/htpasswd directory to the same one in the container. In that folder, nginx-proxy expects to find a file named exactly as the target domain, containing log-in credentials for user authentication in the htpasswd format (username:hashed_password).

      For the add-on, you name the Docker image and allow access to Docker’s socket by defining a volume. Then, you specify that the add-on should inherit access to the volumes defined for nginx-proxy. Both services have restart set to always, which orders Docker to restart the containers in case of crash or system reboot.

      Save and close the file.

      Deploy the configuration by running:

      • docker-compose -f nginx-proxy-compose.yaml up -d

      Here you pass in the nginx-proxy-compose.yaml filename to the -f parameter of the docker-compose command, which specifies the file to run. Then, you pass the up verb that instructs it to run the containers. The -d flag enables detached mode, which means that Docker Compose will run the containers in the background.

      The final output will look like this:

      Output

      Creating network "eclipse-theia_default" with the default driver Pulling nginx-proxy (jwilder/nginx-proxy:)... latest: Pulling from jwilder/nginx-proxy 8d691f585fa8: Pull complete 5b07f4e08ad0: Pull complete ... Digest: sha256:dfc0666b9747a6fc851f5fb9b03e65e957b34c95d9635b4b5d1d6b01104bde28 Status: Downloaded newer image for jwilder/nginx-proxy:latest Pulling letsencrypt-nginx-proxy-companion (jrcs/letsencrypt-nginx-proxy-companion:)... latest: Pulling from jrcs/letsencrypt-nginx-proxy-companion 89d9c30c1d48: Pull complete 668840c175f8: Pull complete ... Digest: sha256:a8d369d84079a923fdec8ce2f85827917a15022b0dae9be73e6a0db03be95b5a Status: Downloaded newer image for jrcs/letsencrypt-nginx-proxy-companion:latest Creating eclipse-theia_nginx-proxy_1 ... done Creating eclipse-theia_letsencrypt-nginx-proxy-companion_1 ... done

      You’ve deployed nginx-proxy and its Let’s Encrypt companion using Docker Compose. Now you’ll move on to set up Eclipse Theia at your domain and secure it.

      Step 2 — Deploying Dockerized Eclipse Theia

      In this section, you’ll create a file containing any allowed log-in combinations that a user will need to input. Then, you’ll deploy Eclipse Theia to your server using Docker Compose and expose it at your secured domain using nginx-proxy.

      As explained in the previous step, nginx-proxy expects log-in combinations to be in a file named after the exposed domain, in the htpasswd format and stored under the /etc/nginx/htpasswd directory in the container. The local directory which maps to the virtual one does not need to be the same, as was specified in the nginx-proxy config.

      To create log-in combinations, you’ll first need to install htpasswd by running the following command:

      • sudo apt install apache2-utils

      The apache2-utils package contains the htpasswd utility.

      Create the /etc/nginx/htpasswd directory:

      • sudo mkdir -p /etc/nginx/htpasswd

      Create a file that will store the logins for your domain:

      • sudo touch /etc/nginx/htpasswd/theia.your_domain

      Remember to replace theia.your_domain with your Eclipse Theia domain.

      To add a username and password combination, run the following command:

      • sudo htpasswd /etc/nginx/htpasswd/theia.your_domain username

      Replace username with the username you want to add. You’ll be asked for a password twice. After providing it, htpasswd will add the username and hashed password pair to the end of the file. You can repeat this command for as many logins as you wish to add.

      Now, you’ll create configuration for deploying Eclipse Theia. You’ll store it in a file named eclipse-theia-compose.yaml. Create it using your text editor:

      • nano eclipse-theia-compose.yaml

      Add the following lines:

      ~/eclipse-theia/eclipse-theia-compose.yaml

      version: '2.2'
      
      services:
        eclipse-theia:
          restart: always
          image: theiaide/theia:next
          init: true
          environment:
            - VIRTUAL_HOST=theia.your_domain
            - LETSENCRYPT_HOST=theia.your_domain
      

      In this config, you define a single service called eclipse-theia with restart set to always and theiaide/theia:next as the container image. You also set init to true to instruct Docker to use init as the main process manager when running Eclipse Theia inside the container.

      Then, you specify two environment variables in the environment section: VIRTUAL_HOST and LETSENCRYPT_HOST. The former is passed on to nginx-proxy and tells it at what domain the container should be exposed, while the latter is used by its Let’s Encrypt add-on and specifies for which domain to request TLS certificates. Unless you specify a wildcard as the value for VIRTUAL_HOST, they must be the same.

      Remember to replace theia.your_domain with your desired domain, then save and close the file.

      Now deploy Eclipse Theia by running:

      • docker-compose -f eclipse-theia-compose.yaml up -d

      The final output will look like:

      Output

      ... Pulling eclipse-theia (theiaide/theia:next)... next: Pulling from theiaide/theia 63bc94deeb28: Pull complete 100db3e2539d: Pull complete ... Digest: sha256:c36dff04e250f1ac52d13f6d6e15ab3e9b8cad9ad68aba0208312e0788ecb109 Status: Downloaded newer image for theiaide/theia:next Creating eclipse-theia_eclipse-theia_1 ... done

      Then, in your browser, navigate to the domain you’re using for Eclipse Theia. Your browser will show you a prompt asking you to log in. After providing the correct credentials, you’ll enter Eclipse Theia and immediately see its editor GUI. In your address bar you’ll see a padlock indicating that the connection is secure. If you don’t see this immediately, wait a few minutes for the TLS certificates to provision, then reload the page.

      Eclipse Theia GUI

      Now that you can securely access your cloud IDE, you’ll start using the editor in the next step.

      Step 3 — Using the Eclipse Theia Interface

      In this section, you’ll explore some of the features of the Eclipse Theia interface.

      On the left-hand side of the IDE, there is a vertical row of four buttons opening the most commonly used features in a side panel.

      Eclipse Theia GUI - Sidepanel

      This bar is customizable so you can move these views to a different order or remove them from the bar. By default, the first view opens the Explorer panel that provides tree-like navigation of the project’s structure. You can manage your folders and files here—creating, deleting, moving, and renaming them as necessary.

      After creating a new file through the File menu, you’ll see an empty file open in a new tab. Once saved, you can view the file’s name in the Explorer side panel. To create folders right click on the Explorer sidebar and click on New Folder. You can expand a folder by clicking on its name as well as dragging and dropping files and folders to upper parts of the hierarchy to move them to a new location.

      Eclipse Theia GUI - New Folder

      The next two options provide access to search and replace functionality. Following it, the next one provides a view of source control systems that you may be using, such as Git.

      The final view is the debugger option, which provides all the common actions for debugging in the panel. You can save debugging configurations in the launch.json file.

      Debugger View with launch.json open

      The central part of the GUI is your editor, which you can separate by tabs for your code editing. You can change your editing view to a grid system or to side-by-side files. Like all modern IDEs, Eclipse Theia supports syntax highlighting for your code.

      Editor Grid View

      You can gain access to a terminal by typing CTRL+SHIFT+`, or by clicking on Terminal in the upper menu, and selecting New Terminal. The terminal will open in a lower panel and its working directory will be set to the project’s workspace, which contains the files and folders shown in the Explorer side panel.

      Terminal open

      You’ve explored a high-level overview of the Eclipse Theia interface and reviewed some of the most commonly used features.

      Conclusion

      You now have Eclipse Theia, a versatile cloud IDE, installed on your Ubuntu 18.04 server using Docker Compose and nginx-proxy. You’ve secured it with a free Let’s Encrypt TLS certificate and set up the instance to require log-in credentials from the user. You can work on your source code and documents with it individually or collaborate with your team. You can also try building your own version of Eclipse Theia if you need additional functionality. For further information on how to do that, visit the Theia docs.



      Source link

      How To Set Up the code-server Cloud IDE Platform on Ubuntu 18.04 [Quickstart]


      Introduction

      code-server is Microsoft Visual Studio Code running on a remote server and accessible directly from your browser. This means that you can use various devices, running different operating systems, and always have a consistent development environment on hand.

      In this tutorial, you will set up the code-server cloud IDE platform on your Ubuntu 18.04 machine and expose it at your domain, secured with Let’s Encrypt. For a more detailed version of this tutorial, please refer to How To Set Up the code-server Cloud IDE Platform on Ubuntu 18.04.

      Prerequisites

      • A server running Ubuntu 18.04 with at least 2GB of RAM, root access, and a sudo, non-root account. You can set this up by following the Initial Server Setup Guide for Ubuntu 18.04.

      • Nginx installed on your server. For a guide on how to do this, complete Steps 1 to 4 of How To Install Nginx on Ubuntu 18.04.

      • A fully registered domain name to host code-server, pointed to your server. This tutorial will use code-server.your-domain throughout. You can purchase a domain name on Namecheap, get one for free on Freenom, or use the domain registrar of your choice.

      • Both of the following DNS records set up for your server. You can follow this introduction to DigitalOcean DNS for details on how to add them.

        • An A record with your-domain pointing to your server’s public IP address.
        • An A record with www.your-domain pointing to your server’s public IP address.

      Step 1 — Installing code-server

      Create the directory to store all data for code-server:

      Navigate to it:

      Visit the Github releases page of code-server and pick the latest Linux build. Download it using:

      • wget https://github.com/cdr/code-server/releases/download/2.1692-vsc1.39.2/code-server2.1692-vsc1.39.2-linux-x86_64.tar.gz

      Unpack the archive:

      • tar -xzvf code-server2.1692-vsc1.39.2-linux-x86_64.tar.gz

      Navigate to the directory containing the code-server executable:

      • cd code-server2.1692-vsc1.39.2-linux-x86_64

      To access the code-server executable across your system, copy it with:

      • sudo cp code-server /usr/local/bin

      Create a folder for code-server to store user data:

      • sudo mkdir /var/lib/code-server

      Create a systemd service, code-server.service, in the /lib/systemd/system directory:

      • sudo nano /lib/systemd/system/code-server.service

      Add the following lines:

      /lib/systemd/system/code-server.service

      [Unit]
      Description=code-server
      After=nginx.service
      
      [Service]
      Type=simple
      Environment=PASSWORD=your_password
      ExecStart=/usr/local/bin/code-server --host 127.0.0.1 --user-data-dir /var/lib/code-server --auth password
      Restart=always
      
      [Install]
      WantedBy=multi-user.target
      
      • --host 127.0.0.1 binds it to localhost.
      • --user-data-dir /var/lib/code-server sets its user data directory.
      • --auth password specifies that it should authenticate visitors with a password.

      Remember to replace your_password with your desired password.

      Save and close the file.

      Start the code-server service:

      • sudo systemctl start code-server

      Check that it’s started correctly:

      • sudo systemctl status code-server

      You’ll see output similar to:

      Output

      ● code-server.service - code-server Loaded: loaded (/lib/systemd/system/code-server.service; disabled; vendor preset: enabled) Active: active (running) since Mon 2019-12-09 20:07:28 UTC; 4s ago Main PID: 5216 (code-server) Tasks: 23 (limit: 2362) CGroup: /system.slice/code-server.service ├─5216 /usr/local/bin/code-server --host 127.0.0.1 --user-data-dir /var/lib/code-server --auth password └─5240 /usr/local/bin/code-server --host 127.0.0.1 --user-data-dir /var/lib/code-server --auth password ...

      Enable the code-server service to start automatically after a server reboot:

      • sudo systemctl enable code-server

      Step 2 — Exposing code-server

      Now you will configure Nginx as a reverse proxy for code-server.

      Create code-server.conf to store the configuration for exposing code-server at your domain:

      • sudo nano /etc/nginx/sites-available/code-server.conf

      Add the following lines to set up your server block with the necessary directives:

      /etc/nginx/sites-available/code-server.conf

      server {
          listen 80;
          listen [::]:80;
      
          server_name code-server.your_domain;
      
          location / {
              proxy_pass http://localhost:8080/;
              proxy_set_header Upgrade $http_upgrade;
              proxy_set_header Connection upgrade;
              proxy_set_header Accept-Encoding gzip;
          }
      }
      

      Replace code-server.your_domain with your desired domain, then save and close the file.

      To make this site configuration active, create a symlink of it:

      • sudo ln -s /etc/nginx/sites-available/code-server.conf /etc/nginx/sites-enabled/code-server.conf

      Test the validity of the configuration:

      You’ll see the following output:

      Output

      nginx: the configuration file /etc/nginx/nginx.conf syntax is ok nginx: configuration file /etc/nginx/nginx.conf test is successful

      For the configuration to take effect, restart Nginx:

      • sudo systemctl restart nginx

      Step 3 — Securing Your Domain

      Now you’ll secure your domain using a Let’s Encrypt TLS certificate.

      Add the Certbot package repository to your server:

      • sudo add-apt-repository ppa:certbot/certbot

      Install Certbot and its Nginx plugin:

      • sudo apt install python-certbot-nginx

      Configure ufw to accept encrypted traffic:

      The output will be:

      Output

      Rule added Rule added (v6)

      Reload it for the configuration to take effect:

      The output will show:

      Output

      Firewall reloaded

      Navigate to your code-server domain.

      code-server login prompt

      Enter your code-server password. You’ll see the interface exposed at your domain.

      code-server GUI

      To secure it, install a Let’s Encrypt TLS certificate using Certbot.

      Request a certificate for your domain with:

      • sudo certbot --nginx -d code-server.your_domain

      Provide an email address for urgent notices, accept the EFF’s Terms of Service, and decide whether to redirect all HTTP traffic to HTTPS.

      The output will be similar to this:

      Output

      IMPORTANT NOTES: - Congratulations! Your certificate and chain have been saved at: /etc/letsencrypt/live/code-server.your_domain/fullchain.pem Your key file has been saved at: /etc/letsencrypt/live/code-server.your_domain/privkey.pem Your cert will expire on ... To obtain a new or tweaked version of this certificate in the future, simply run certbot again with the "certonly" option. To non-interactively renew *all* of your certificates, run "certbot renew" ...

      Certbot has successfully generated TLS certificates and applied them to the Nginx configuration for your domain.

      Conclusion

      You now have code-server, a versatile cloud IDE, installed on your Ubuntu 18.04 server, exposed at your domain and secured using Let’s Encrypt certificates. For further information, see the Visual Studio Code documentation for additional features and detailed instructions on other components of code-server.



      Source link

      How To Set Up the code-server Cloud IDE Platform on CentOS 7


      The author selected the Free and Open Source Fund to receive a donation as part of the Write for DOnations program.

      Introduction

      With developer tools moving to the cloud, creation and adoption of cloud IDE (Integrated Development Environment) platforms is growing. Cloud IDEs allow for real-time collaboration between developer teams to work in a unified development environment that minimizes incompatibilities and enhances productivity. Accessible through web browsers, cloud IDEs are available from every type of modern device.

      code-server is Microsoft Visual Studio Code running on a remote server and accessible directly from your browser. Visual Studio Code is a modern code editor with integrated Git support, a code debugger, smart autocompletion, and customizable and extensible features. This means that you can use various devices running different operating systems, and always have a consistent development environment on hand.

      In this tutorial, you will set up the code-server cloud IDE platform on your CentOS 7 machine and expose it at your domain, secured with free Let’s Encrypt TLS certificates. In the end, you’ll have Microsoft Visual Studio Code running on your CentOS 7 server, available at your domain and protected with a password.

      Prerequisites

      • A server running CentOS 7 with at least 2GB RAM, root access, and a sudo, non-root account. You can set this up by following this initial server setup guide.

      • Nginx installed on your server. For a guide on how to do this, see How To Install Nginx on CentOS 7.

      • Both of the following DNS records set up for your server. You can follow this introduction to DigitalOcean DNS for details on how to add them.

        • An A record with your-domain pointing to your server’s public IP address.
        • An A record with www.your-domain pointing to your server’s public IP address.
      • A fully registered domain name to host code-server, pointed to your server. This tutorial will use code-server.your-domain throughout. You can purchase a domain name on Namecheap, get one for free on Freenom, or use the domain registrar of your choice.

      Step 1 — Installing code-server

      In this section, you will set up code-server on your server. This entails downloading the latest version and creating a systemd service that will keep code-server always running in the background. You’ll also specify a restart policy for the service, so that code-server stays available after possible crashes or reboots.

      You’ll store all data pertaining to code-server in a folder named ~/code-server. Create it by running the following command:

      Navigate to it:

      You’ll need to head over to the Github releases page of code-server and pick the latest Linux build (the file will contain ‘linux’ in its name). At the time of writing, the latest version was 2.1692. Download it using curl by running the following command:

      • curl -LO https://github.com/cdr/code-server/releases/download/2.1692-vsc1.39.2/code-server2.1692-vsc1.39.2-linux-x86_64.tar.gz

      Then, unpack the archive by running:

      • tar -xzvf code-server2.1692-vsc1.39.2-linux-x86_64.tar.gz

      You’ll get a folder named exactly as the original file you downloaded, which contains the code-server executable. Navigate to it:

      • cd code-server2.1692-vsc1.39.2-linux-x86_64

      Copy the code-server executable to /usr/local/bin so you’ll be able to access it system wide by running the following command:

      • sudo cp code-server /usr/local/bin

      Next, create a folder for code-server, where it will store user data:

      • sudo mkdir /var/lib/code-server

      Now that you’ve downloaded code-server and made it available system-wide, you will create a systemd service to keep code-server running in the background at all times.

      You’ll store the service configuration in a file named code-server.service, in the /usr/lib/systemd/system directory, where systemd stores its services. Create it using the vi editor:

      • sudo vi /usr/lib/systemd/system/code-server.service

      Add the following lines:

      /usr/lib/systemd/system/code-server.service

      [Unit]
      Description=code-server
      After=nginx.service
      
      [Service]
      Type=simple
      Environment=PASSWORD=your_password
      ExecStart=/usr/local/bin/code-server --host 127.0.0.1 --user-data-dir /var/lib/code-server --auth password
      Restart=always
      
      [Install]
      WantedBy=multi-user.target
      

      Here you first specify the description of the service. Then, you state that the nginx service must be started before this one. After the [Unit] section, you define the type of the service (simple means that the process should be simply run) and provide the command that will be executed.

      You also specify that the global code-server executable should be started with a few arguments specific to code-server. --host 127.0.0.1 binds it to localhost, so it’s only directly accessible from inside of your server. --user-data-dir /var/lib/code-server sets its user data directory, and --auth password specifies that it should authenticate visitors with a password, specified in the PASSWORD environment variable declared on the line above it.

      Remember to replace your_password with your desired password. Type :wq and then ENTER to save and close the file.

      The next line tells systemd to restart code-server in all malfunction events (for example, when it crashes or the process is killed). The [Install] section orders systemd to start this service when it becomes possible to log in to your server.

      Start the code-server service by running the following command:

      • sudo systemctl start code-server

      Check that it’s started correctly by observing its status:

      • sudo systemctl status code-server

      You’ll see output similar to:

      Output

      ● code-server.service - code-server Loaded: loaded (/usr/lib/systemd/system/code-server.service; disabled; vendor preset: disabled) Active: active (running) since Thu 2019-12-19 19:24:42 UTC; 5s ago Main PID: 1668 (code-server) CGroup: /system.slice/code-server.service ├─1668 /usr/local/bin/code-server --host 127.0.0.1 --user-data-dir /var/lib/code-server --auth password └─1679 /usr/local/bin/code-server --host 127.0.0.1 --user-data-dir /var/lib/code-server --auth password Dec 19 19:24:42 code-server-centos systemd[1]: Started code-server. Dec 19 19:24:44 code-server-centos code-server[1668]: info Server listening on http://127.0.0.1:8080 Dec 19 19:24:44 code-server-centos code-server[1668]: info - Using custom password for authentication Dec 19 19:24:44 code-server-centos code-server[1668]: info - Not serving HTTPS

      To make code-server start automatically after a server reboot, enable its service by running the following command:

      • sudo systemctl enable code-server

      In this step, you’ve downloaded code-server and made it available globally. Then, you’ve created a systemd service for it and enabled it, so code-server will start at every server boot. Next, you’ll expose it at your domain by configuring Nginx to serve as a reverse proxy between the visitor and code-server.

      Step 2 — Exposing code-server at Your Domain

      In this section, you will configure Nginx as a reverse proxy for code-server.

      As you have learned in the Nginx prerequisite step, its site configuration files are stored under /etc/nginx/conf.d and will automatically be loaded when Nginx starts.

      You’ll store the configuration for exposing code-server at your domain in a file named code-server.conf, under /etc/nginx/conf.d. Start off by creating it using your editor:

      • sudo vi /etc/nginx/conf.d/code-server.conf

      Add the following lines:

      /etc/nginx/conf.d/code-server.conf

      server {
          listen 80;
          listen [::]:80;
      
          server_name code-server.your-domain;
      
          location / {
              proxy_pass http://localhost:8080/;
              proxy_set_header Upgrade $http_upgrade;
              proxy_set_header Connection upgrade;
              proxy_set_header Accept-Encoding gzip;
          }
      }
      

      Replace code-server.your-domain with your desired domain, then save and close the file.

      In this file, you define that Nginx should listen to HTTP port 80. Then, you specify a server_name that tells Nginx for which domain to accept requests and apply this particular configuration.

      In the next block, for the root location (/), you specify that requests should be passed back and forth to code-server running at localhost:8080. The next three lines (starting with proxy_set_header) order Nginx to carry over some HTTP request headers that are needed for correct functioning of WebSockets, which code-server extensively uses.

      To test the validity of the configuration, run the following command:

      You’ll see the following output:

      Output

      nginx: the configuration file /etc/nginx/nginx.conf syntax is ok nginx: configuration file /etc/nginx/nginx.conf test is successful

      For the configuration to take effect, you’ll need to restart Nginx:

      • sudo systemctl restart nginx

      CentOS 7 comes with SELinux turned on, with a strict ruleset, which by default does not permit Nginx to connect to local TCP sockets. Nginx needs to do in order to serve as a reverse proxy for code-server. Run the following command to relax the rule permanently:

      • sudo setsebool httpd_can_network_connect 1 -P

      Then, in your browser, navigate to the domain you used for code-server. You will see the code-server login prompt.

      code-server login prompt

      code-server is asking you for your password. Enter the one you set in the previous step and press Enter IDE. You’ll now enter code-server and immediately see its editor GUI.

      code-server GUI

      You now have your code-server installation accessible at your domain. In the next step, you’ll secure it by applying a free Let’s Encrypt TLS certificate.

      Step 3 — Securing Your Domain

      In this section, you will secure your domain using a Let’s Encrypt TLS certificate, which you’ll provision using Certbot.

      To install the latest version of Certbot and its Nginx plugin, run the following command:

      • sudo yum install certbot python2-certbot-nginx

      To request certificates for your domain, run the following command:

      • sudo certbot --nginx -d code-server.your-domain

      In this command, you run certbot to request certificates for your domain—you pass the domain name with the -d parameter. The --nginx flag tells it to automatically change Nginx site configuration to support HTTPS. Remember to replace code-server.your-domain with your domain name.

      If this is your first time running Certbot, you’ll be asked to provide an email address for urgent notices and to accept the EFF’s Terms of Service. Certbot will then request certificates for your domain from Let’s Encrypt. It will then ask you if you’d like to redirect all HTTP traffic to HTTPS:

      Output

      Please choose whether or not to redirect HTTP traffic to HTTPS, removing HTTP access. - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 1: No redirect - Make no further changes to the webserver configuration. 2: Redirect - Make all requests redirect to secure HTTPS access. Choose this for new sites, or if you're confident your site works on HTTPS. You can undo this change by editing your web server's configuration. - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Select the appropriate number [1-2] then [enter] (press 'c' to cancel):

      It is recommended to select the second option in order to maximize security. After you input your selection, press ENTER.

      The output will be similar to this:

      Output

      IMPORTANT NOTES: - Congratulations! Your certificate and chain have been saved at: /etc/letsencrypt/live/code-server.your-domain/fullchain.pem Your key file has been saved at: /etc/letsencrypt/live/code-server.your-domain/privkey.pem Your cert will expire on ... To obtain a new or tweaked version of this certificate in the future, simply run certbot again with the "certonly" option. To non-interactively renew *all* of your certificates, run "certbot renew" - Your account credentials have been saved in your Certbot configuration directory at /etc/letsencrypt. You should make a secure backup of this folder now. This configuration directory will also contain certificates and private keys obtained by Certbot so making regular backups of this folder is ideal. - If you like Certbot, please consider supporting our work by: Donating to ISRG / Let's Encrypt: https://letsencrypt.org/donate Donating to EFF: https://eff.org/donate-le

      This means that Certbot has sucessfully generated TLS certificates and applied them to the Nginx configuration for your domain. You can now reload your code-server domain in your browser and observe a padlock to the left of the site address, which means that your connection is properly secured.

      Now you’ll make Certbot automatically renew the certificates before they expire. To run the renewal check daily, you’ll use cron, a standard system service for running periodic jobs. You direct cron by opening and editing a file called a crontab:

      This command will open the default crontab, which is currently an empty text file. Add the following line, then save and close it:

      crontab

      . . .
      15 3 * * * /usr/bin/certbot renew --quiet
      

      15 3 * * * will run the following command at 3:15 am every day—you can adapt this to any time.

      The renew command for Certbot will check all certificates installed on the system and update any that are set to expire in less than thirty days. --quiet tells Certbot not to output information or wait for user input.

      cron will now run this command daily. All installed certificates will be automatically renewed and reloaded when they have thirty days or less before they expire.

      Now that you have code-server accessible at your domain through a secured Nginx reverse proxy, you’re ready to review the user interface of code-server.

      Step 4 — Using the code-server Interface

      In this section, you’ll use some of the features of the code-server interface. Since code-server is Visual Studio Code running in the cloud, it has the same interface as the standalone desktop edition.

      On the left-hand side of the IDE, there is a vertical row of six buttons opening the most commonly used features in a side panel known as the Activity Bar.

      code-server GUI - Sidepanel

      This bar is customizable so you can move these views to a different order or remove them from the bar. By default, the first button opens the general menu in a dropdown, while the second view opens the Explorer panel that provides tree-like navigation of the project’s structure. You can manage your folders and files here—creating, deleting, moving, and renaming them as necessary. The next view provides access to a search and replace functionality.

      Following this, in the default order, is your view of the source control systems, like Git. Visual Studio code also supports other source control providers and you can find further instructions for source control work flows with the editor in this documentation.

      Git pane with context-menu open

      The debugger option on the Activity Bar provides all the common actions for debugging in the panel. Visual Studio Code comes with built-in support for the Node.js runtime debugger and any language that transpiles to Javascript. For other languages you can install extensions for the required debugger. You can save debugging configurations in the launch.json file.

      Debugger View with launch.json open

      The final view in the Activity Bar provides a menu to access available extensions on the Marketplace.

      code-server GUI - Tabs

      The central part of the GUI is your editor, which you can separate by tabs for your code editing. You can change your editing view to a grid system or to side-by-side files.

      Editor Grid View

      After creating a new file through the File menu, an empty file will open in a new tab, and once saved, the file’s name will be viewable in the Explorer side panel. Creating folders can be done by right clicking on the Explorer sidebar and clicking on New Folder. You can expand a folder by clicking on its name as well as dragging and dropping files and folders to upper parts of the hierarchy to move them to a new location.

      code-server GUI - New Folder

      You can gain access to a terminal by entering CTRL+SHIFT+`, or by clicking on Terminal in the upper menu dropdown, and selecting New Terminal. The terminal will open in a lower panel and its working directory will be set to the project’s workspace, which contains the files and folders shown in the Explorer side panel.

      You’ve explored a high-level overview of the code-server interface and reviewed some of the most commonly used features.

      Conclusion

      You now have code-server, a versatile cloud IDE, installed on your CentOS 7 server, exposed at your domain and secured using Let’s Encrypt certificates. You can now work on projects individually, as well as in a team-collaboration setting. Running a cloud IDE frees resources on your local machine and allows you to scale the resources when needed. For further information, see the Visual Studio Code documentation for additional features and detailed instructions on other components of code-server.

      If you would like to run code-server on your DigitalOcean Kubernetes cluster check out our tutorial on How To Set Up the code-server Cloud IDE Platform on DigitalOcean Kubernetes.



      Source link