{"id":13938,"date":"2024-06-10T08:17:57","date_gmt":"2024-06-10T05:17:57","guid":{"rendered":"http:\/\/local.brightwhiz\/?p=13938"},"modified":"2024-06-10T08:17:58","modified_gmt":"2024-06-10T05:17:58","slug":"how-to-install-ssh-server-on-ubuntu-24-04-noble-numbat","status":"publish","type":"post","link":"http:\/\/local.brightwhiz\/how-to-install-ssh-server-on-ubuntu-24-04-noble-numbat\/","title":{"rendered":"How to Install SSH Server on Ubuntu 24.04 Noble Numbat"},"content":{"rendered":"\n<p>Secure Shell (SSH) is a cryptographic network protocol that allows secure remote login and other network services over an unsecured network. <a href=\"https:\/\/brightwhiz.com\/tag\/ssh\">SSH<\/a> is essential for system administrators, developers, and anyone needing to remotely access a server. In this guide, we&#8217;ll walk you through the steps to install and configure an SSH server on Ubuntu 24.04 Noble Numbat.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Prerequisites<\/h2>\n\n\n\n<p>Before we start, ensure you have the following:<\/p>\n\n\n\n<ol>\n<li>A system running <a href=\"http:\/\/local.brightwhiz\/tag\/ubuntu\">Ubuntu<\/a> 24.04 Noble Numbat.<\/li>\n\n\n\n<li>A user account with sudo privileges.<\/li>\n\n\n\n<li>Basic knowledge of using the terminal.<\/li>\n<\/ol>\n\n\n\n<h2 class=\"wp-block-heading\">Step 1: Update Your System<\/h2>\n\n\n\n<p>First, make sure your system is up-to-date by running the following commands:<\/p>\n\n\n\n<pre class=\"wp-block-prismatic-blocks\"><code class=\"language-bash\">$ sudo apt update\n$ sudo apt upgrade -y<\/code><\/pre>\n\n\n\n<h2 class=\"wp-block-heading\">Step 2: Install the OpenSSH Server<\/h2>\n\n\n\n<p>The most common SSH server implementation for Ubuntu is OpenSSH. Install it using the following command:<\/p>\n\n\n\n<pre class=\"wp-block-prismatic-blocks\"><code class=\"language-bash\">$ sudo apt install openssh-server -y<\/code><\/pre>\n\n\n\n<h2 class=\"wp-block-heading\">Step 3: Verify the SSH Server Installation<\/h2>\n\n\n\n<p>After the installation, the SSH server should start automatically. You can verify its status using:<\/p>\n\n\n\n<pre class=\"wp-block-prismatic-blocks\"><code class=\"language-bash\">$ sudo systemctl status ssh<\/code><\/pre>\n\n\n\n<p>You should see an output indicating that the SSH service is active and running.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Step 4: Configure the SSH Server<\/h2>\n\n\n\n<p>The SSH server configuration file is located at <code>\/etc\/ssh\/sshd_config<\/code>. It&#8217;s a good practice to review and modify this file to enhance <a href=\"https:\/\/brightwhiz.com\/tag\/security\">security<\/a> and tailor the server settings to your needs.<\/p>\n\n\n\n<ol>\n<li><strong>Open the configuration file<\/strong> in your preferred text editor. Here, we&#8217;ll use <code>nano<\/code>:<br><code>$ sudo nano \/etc\/ssh\/sshd_config<\/code><\/li>\n\n\n\n<li><strong>Basic configurations to consider<\/strong>:\n<ul>\n<li><strong>Change the default SSH port<\/strong> (optional but recommended for security):<br><code>Port 2222 <\/code><br>Replace <code>2222<\/code> with any port number of your choice.<\/li>\n\n\n\n<li><strong>Permit root login<\/strong> (optional, not recommended for security reasons):<br><code>PermitRootLogin no<\/code><\/li>\n\n\n\n<li><strong>Disable password authentication<\/strong> (if you are using key-based authentication):<br><code>PasswordAuthentication no<\/code><\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>Save the changes<\/strong> and exit the editor. If you&#8217;re using <code>nano<\/code>, press <code>CTRL+X<\/code>, then <code>Y<\/code>, and <code>Enter<\/code>.<\/li>\n\n\n\n<li><strong>Restart the SSH service<\/strong> to apply the changes:<br><code>sudo systemctl restart ssh<\/code><\/li>\n<\/ol>\n\n\n\n<h2 class=\"wp-block-heading\">Step 5: Allow SSH Through the Firewall<\/h2>\n\n\n\n<p>If you have a firewall enabled, you need to allow SSH traffic. Use the following commands:<\/p>\n\n\n\n<ol>\n<li><strong>Allow the default SSH port<\/strong> (port 22):<br><code>$ udo ufw allow 22\/tcp <\/code><br>If you changed the default port, replace <code>22<\/code> with your chosen port number: <br><code>$ sudo ufw allow 2222\/tcp<\/code><\/li>\n\n\n\n<li><strong>Enable the firewall<\/strong> if it&#8217;s not already enabled: <br><code>$ sudo ufw enable<\/code><\/li>\n\n\n\n<li><strong>Check the firewall status<\/strong>:<br><code>$ sudo ufw status <\/code><br>You should see rules allowing SSH traffic.<\/li>\n<\/ol>\n\n\n\n<h2 class=\"wp-block-heading\">Step 6: Test the SSH Connection<\/h2>\n\n\n\n<p>Now, you can test the SSH connection from another machine. Use the following command, replacing <code>username<\/code> with your actual username and <code>server_ip<\/code> with your server&#8217;s IP address:<\/p>\n\n\n\n<pre class=\"wp-block-prismatic-blocks\"><code class=\"language-bash\">$ ssh username@server_ip<\/code><\/pre>\n\n\n\n<p>If you changed the SSH port, use the <code>-p<\/code> option to specify the port:<\/p>\n\n\n\n<pre class=\"wp-block-prismatic-blocks\"><code class=\"language-bash\">$ ssh username@server_ip -p 2222<\/code><\/pre>\n\n\n\n<p>If everything is configured correctly, you should be prompted to enter your password or use your SSH key for authentication.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Conclusion<\/h2>\n\n\n\n<p>Congratulations! You have successfully installed and configured an SSH server on Ubuntu 24.04 Noble Numbat. With SSH, you can securely manage your server remotely, perform file transfers, and more. Remember to keep your system and SSH server updated to ensure security and performance.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Secure Shell (SSH) is a cryptographic network protocol that allows secure remote login and other network services over an unsecured network. SSH is essential for system administrators, developers, and anyone&#8230;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[2,23,9,16,18],"tags":[167,193,350,424,428,433,449,526,544,1212,555,573,591,638],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v22.9 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>How to Install SSH Server on Ubuntu 24.04 Noble Numbat<\/title>\n<meta name=\"description\" content=\"In this guide, we&#039;ll walk you through the steps to install and configure an SSH server on Ubuntu 24.04 Noble Numbat\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"http:\/\/local.brightwhiz\/how-to-install-ssh-server-on-ubuntu-24-04-noble-numbat\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" 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