Open Source Articles

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Open Source Cloud Storage Software for Linux in 2023

Pradeep Jhuriya
Pradeep Jhuriya
Updated on 17-Mar-2026 685 Views

As the amount of data we generate continues to increase, finding a reliable and cost-effective way to store it has become increasingly important. Cloud storage software is a great solution for this need, allowing users to store data remotely and access it from anywhere with an internet connection. For Linux users, there are a variety of options available, including open source software. Open source software is a type of software that is freely available to use, modify, and distribute. It is often created and maintained by a community of developers and users, rather than a single company. This can ...

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How to Fix \"W: Some index files failed to download.\" Error In Ubuntu?

Satish Kumar
Satish Kumar
Updated on 17-Mar-2026 16K+ Views

When you are running updates on Ubuntu, you may come across an error message that says "Some index files failed to download". This error occurs when Ubuntu is unable to download the package indexes from the software repositories it relies on for updates. The package indexes contain a list of available packages, their versions, and dependencies. Without these indexes, you cannot update or install new packages on your system. It is important to fix this error as soon as possible because it can cause your system to be vulnerable to security risks and bugs. Additionally, if you do not ...

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Avoiding unwanted directory while using zip

Satish Kumar
Satish Kumar
Updated on 17-Mar-2026 289 Views

ZIP files are one of the most widely supported compression formats, especially when sharing files across different operating systems like Linux, Windows, and Mac. However, when creating ZIP archives from the command line, we often encounter the problem of unwanted directory structures that make the extracted files difficult to navigate. This article explores techniques to create clean ZIP archives without unnecessary parent directories, using Linux command-line tools and bash built-in commands like pushd and popd. The Problem with Full Path Compression When using the zip command with the -r (recursive) option, the entire directory path gets included ...

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How to Fix the 500 Internal Server Error in WordPress?

Satish Kumar
Satish Kumar
Updated on 17-Mar-2026 677 Views

WordPress is a popular website platform that powers millions of websites worldwide. However, like any other web platform, it is not immune to errors and glitches. One common error that WordPress users encounter is the 500 Internal Server Error. This error can be frustrating and confusing, especially for non-technical users who are not familiar with server-side errors. The 500 Internal Server Error in WordPress occurs when there is a problem with the server hosting your website. It means that something has gone wrong on the server, but the server cannot pinpoint what caused the issue. This generic error message ...

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How to Forward Ports With Iptables in Linux?

Satish Kumar
Satish Kumar
Updated on 17-Mar-2026 2K+ Views

Port forwarding is a technique that allows external devices to access services running on internal network devices by redirecting traffic through specific ports. When you want to run a web server from your home computer, external users need to connect through your public IP address via port 80 (HTTP) or port 443 (HTTPS). Without proper port forwarding configuration, incoming connection requests are blocked by your router's firewall, preventing access to internal services. Iptables is a powerful Linux firewall utility that operates at the kernel level, providing robust packet filtering, NAT (Network Address Translation), and connection tracking capabilities. It can ...

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How to Generate SSH Key in Windows 10?

Satish Kumar
Satish Kumar
Updated on 17-Mar-2026 995 Views

SSH (Secure Shell) is an encryption protocol that provides a secure connection between two computers over an insecure network, such as the internet. It allows users to remotely and securely access and control another computer or server. SSH works by encrypting all data sent between the two computers, including any usernames and passwords used to log in. In order to establish a secure SSH connection between two computers or servers, SSH keys are necessary. An SSH key is a pair of cryptographic keys − one public and one private. The private key is kept on the user's local ...

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How to Get Total Inodes of Root Partition?

Satish Kumar
Satish Kumar
Updated on 17-Mar-2026 1K+ Views

Before we dive into the topic of how to get total inodes of root partition, let's start with understanding what inodes actually are. Inodes, short for Index Nodes, is a data structure used by the file system to store information about files and directories. Every file or directory on a Unix-based system has an inode associated with it, which contains metadata such as permissions, timestamps, and other attributes. In simple terms, an inode acts as a pointer to where data is stored on the hard drive. It is worth noting that unlike file names or directory names which can ...

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How to Hack Your Own Linux System?

Satish Kumar
Satish Kumar
Updated on 17-Mar-2026 1K+ Views

As a Linux user, you may have heard the term "hacking" in relation to cybersecurity and assumed it was only used by malicious attackers. However, ethical hacking (also called penetration testing) can be used as a means of improving your own system's security by identifying vulnerabilities and potential entry points that could allow others to gain unauthorized access. By testing your own Linux system, you can identify these weaknesses before cybercriminals have a chance to exploit them. Preparing Your System for Ethical Hacking Installing Necessary Tools and Software Before attempting to test your Linux system, it is ...

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How to Fix Username is not in the sudoers file. This incident will be reported in Ubuntu?

Satish Kumar
Satish Kumar
Updated on 17-Mar-2026 38K+ Views

If you're a user of Ubuntu, there's a chance that at some point, when trying to run a command as the superuser or administrator, you may have encountered an error message that reads: "Username is not in the sudoers file. This incident will be reported." This message typically appears when you attempt to execute an administrative command using the sudo command and your system does not recognize your username as having sufficient permissions to perform such actions. This error results from your username being absent in the sudoers file − a system configuration file that specifies which users ...

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Cloud Backup for Veeam Resellers

Mrudgandha Kulkarni
Mrudgandha Kulkarni
Updated on 17-Mar-2026 237 Views

As a Veeam reseller, you understand the importance of providing reliable backup solutions for your clients. However, traditional backup methods can be time-consuming and unreliable. That's where cloud backup comes in. Cloud backup offers enhanced protection, scalability, and cost-effectiveness that can differentiate your services in the competitive backup market. What is Cloud Backup? Cloud backup is a method of storing data offsite, typically on a third-party cloud infrastructure. With cloud backup, you can easily access your data from anywhere, and you can rest assured that it's protected in case of a disaster. Cloud backup is often used as ...

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