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Use these guidelines to set up a firewall on a s0.d1.small BMC instance. Start by using the given IP address to visit the instance's BMC interface. To find the choices for configuring the firewall once inside, go to the security settings area. Set the desired rule sets for both incoming and outgoing network traffic after activating the firewall capability. To impose any necessary access restrictions, specify the permitted protocols, ports, and IP addresses. Apply the firewall settings after configuring the rules and saving the modifications. The BMC instance's security will be considerably improved by this process of filtering and regulating ... Read More
On RHEL/CentOS and Debian/Ubuntu, install Nginx, PostgreSQL, and Python requirements before configuring OpenERP (Odoo) 9 with Nginx. For OpenERP, create a PostgreSQL database and user. Extract the OpenERP source code by downloading it. Edit the configuration file to configure OpenERP. As a reverse proxy, configure Nginx to reroute requests. Setup Nginx to directly serve static files. Launch OpenERP and switch on automatic startup. To permit inbound connections, modify the firewall's rules. Access OpenERP through Nginx to check the configuration. Through this procedure, OpenERP 9 will be successfully installed alongside Nginx on RHEL/CentOS and Debian/Ubuntu. Methods Used Manual Configuration Docker ... Read More
The following actions must be taken in Ubuntu Server 14.04 in order to configure a caching DNS server. Start by running the relevant command the package management provides to install the DNS server software. After installation, modify the configuration file to set up the DNS server. For optimum performance, define the server's IP address and provide the preferred caching parameters in the configuration file. Restart the DNS server after making the necessary adjustments to make the new configuration settings effective. Make sure the right IP address is returned when you query a domain name to see if the server is ... Read More
Venturing further into the realm of Python programming, you'll undoubtedly encounter scenarios where executing a Python file from within the Python shell becomes essential. This capability endows you with the power to test, run, and interact with your Python scripts seamlessly without exiting the Python environment. Within this article, we shall discuss some distinct methods to execute Python files within the Python shell, each offering its unique functionalities and adaptability, facilitating seamless interaction with your Python scripts. As a Python coding expert, I would walk you through each method with step-by-step explanations and examples in a lucid style that is ... Read More
In this article, we will learn how to display errors inline on a page and without an alert box using javascript with the help of innerHTML and textContent properties of HTML DOM elements. While alert boxes can be useful for displaying errors to users, they can be disruptive and interrupt the user experience. A more elegant solution is to display errors inline on the page. Let’s understand how to achieve the above result with the help of 2 approaches Approach 1 In this approach, we will use the innerHTML DOM element property to display the error message inline in ... Read More
In this article, we will learn how to display child row information using jQuery DataTables plugin. We will also provide some HTML code examples to illustrate the usage of this feature. jQuery DataTables is a powerful plugin that provides an easy way to display tabular data on a web page. It has a lot of features such as pagination, sorting, searching, etc. It also provides us with the DataTables plugin, which gives us the ability to display child row information, and consequently shows additional data related to each row. Now, let’s understand the feature with the help of some examples. ... Read More
In this article, we will learn how to display a black navigation bar in Bootstrap with the help of various Bootstrap classes, like “navbar-dark”, or “bg-dark”. Navigation bars are useful in a website as they provide easier navigation to the main contents on the platform, better accessibility throughout the website, and an overall enhanced user experience. Here, we will create a black-colored navigation bar using Bootstrap and its classes. We will be using the Bootstrap CDN in our examples below to import Bootstrap into our project. Let’s understand this with the help of some examples − Example 1 In this ... Read More
In this article, we will learn how to display a list in “n” column format in HTML and CSS with the help of columns, column-count, and grid CSS properties. Displaying a list in columns can be a useful way to save space and make the information more visually appealing. We can achieve this by using different approaches that rely on columns, column-count, and grid properties respectively. Let’s understand each approach in detail. Approach 1 In this approach, we will use the column-count CSS property to determine the number of columns we will divide our content into. Let’s understand ... Read More
In this article, we will learn how to display a dialog box on the page using the dialog HTML tag. Dialog boxes can be a useful tool to provide feedback to users or to prompt them for input. The HTML element provides an easy way to display a dialog box on a web page. The element is not supported in all browsers, but it can be polyfilled using JavaScript to provide support for older browsers. Let’s understand how to implement a dialog box on a webpage with the help of some examples Example 1 In this example, we ... Read More
In this article, we will learn how to disable the mouseout events triggered by child elements with the help of the “mouseleave” event or using the stopPropagation method of the native HTML event. The “mouseout” event, when triggered on a child element, bubbles up in its DOM hierarchy, and so it will also trigger the same event on all its parent elements. This can be unneeded when we only want to listen to the “mouseout” event on the parent element itself, not the bubbled-up event from its child elements. Let’s understand how to avoid the above problem with the ... Read More