.deb files utilizes the native package manager to handle dependencies, integrity checks, and system integration automatically, whereas installing from .run shell scripts typically executes a custom installation routine that bypasses the system package database. The .deb method is generally preferred for its reliability and ease of future updates, while .run files are often used for proprietary software or specific hardware drivers where standard packaging is not available.
Understanding .deb Package Installation
The.deb format is the standard binary package format for Debian-based distributions such as Ubuntu, Linux Mint, and Kali Linux. These packages are designed to work seamlessly with the Advanced Package Tool (APT) and the underlying dpkg utility. When you install a .deb file, the system does not just copy files; it parses metadata about dependencies, version conflicts, and post-installation scripts.
Using APT to install local .deb files is the most robust approach because it can automatically resolve and install required libraries if they are present in your configured repositories. This ensures that your system remains consistent and that all components are tracked by the package manager. If you need to remove the software later, the package manager knows exactly which files belong to that package and can clean them up completely, preventing orphaned configuration files or leftover binaries.
For users who prefer manual control, the dpkg command can install these files directly. However, this method does not solve dependency issues. If a required library is missing, the installation will fail, leaving the package in a half-installed state that requires manual intervention to fix. This makes dpkg less suitable for general users compared to the higher-level APT tools.
How .run Files Operate
A.run file is essentially a self-extracting archive combined with a shell script. It is commonly used by vendors who distribute proprietary software, such as graphics card drivers, Java Development Kits, or enterprise applications. Unlike .deb packages, .run files do not integrate with the system's package management system. They typically extract their contents to a specific directory, such as /opt or /usr/local, and may create symbolic links manually.
Because they bypass the package manager, .run installations do not register with APT or dpkg. This means that standard commands like apt list --installed will not show the software, and you cannot use apt upgrade to update it. Maintenance becomes the user's responsibility. You must manually delete the installation directory and any associated configuration files when uninstalling. Furthermore, if the software has dependencies, the .run script might check for them silently and fail without providing clear error messages, or it might bundle outdated versions of libraries that conflict with newer system libraries.
Security is another consideration. Since .run files are executable scripts, they have full access to your system during execution. While reputable vendors sign their files, malicious actors can disguise malware as .run installers. In contrast, .deb packages are signed by repository maintainers, and the package manager verifies these signatures before installation, adding a layer of trust.
Dependency Management and System Integrity
One of the primary advantages of using.deb packages is how they handle dependencies. When you install a package via APT, the tool queries the repository metadata to determine what other packages are needed. If those dependencies are available, APT installs them automatically. This creates a cohesive ecosystem where software components work together harmoniously. For example, if you install a web browser, APT ensures that the necessary security libraries and font renderers are also present.
In contrast, .run files often require the user to manually install dependencies beforehand. Some advanced .run scripts attempt to install bundled dependencies into private directories, but this can lead to "dependency hell" where different applications require conflicting versions of the same library. This fragmentation can destabilize the system over time. Additionally, kernel modules installed via .run scripts, such as NVIDIA drivers, may break after a kernel update if the installation script does not properly hook into the module building process.
If you encounter issues installing packages on Debian systems, such as broken dependencies, you might find guidance in our article on Unable to Install Packages on Debian Linux. This resource covers troubleshooting steps for common package manager errors.
When to Use Each Method
For most daily software needs, including office suites, media players, and development tools,.deb packages should be your default choice. They offer a cleaner installation, easier removal, and automatic security updates through the distribution's repositories. If you are following a guide for specific hardware, such as the instructions found in How to Install Mercusys WiFi Adapter: Step-by-Step Guide, pay close attention to whether the recommended package is a .deb or a .run file, as the installation steps will differ significantly.
Use .run files only when a .deb package is not available. This is common for specialized enterprise software, beta drivers, or tools provided exclusively by the vendor in a self-contained format. Before running a .run file, always verify its source and checksum. Make sure you understand how to reverse the installation, as there is no universal uninstaller. If you are working on a CentOS system where RPM packages are standard, you might look at How to Install Qt 5.15 onto CentOS 7 to see how cross-distribution installation challenges are handled, although the package formats differ.
It is also worth noting that some software providers offer both formats. In such cases, the .deb version is usually updated more frequently and tested against the latest system libraries. The .run version might be a static build intended for compatibility across many different Linux distributions, which can sometimes result in slower performance or larger file sizes due to bundled libraries.
Frequently Asked Questions
Can I convert a .run file to a .deb file?
Generally, no. There is no reliable automated tool to convert a self-extracting shell script into a standardized Debian package. The .run format contains proprietary logic that does not map cleanly to DEB metadata structures.
Do .run files update automatically with apt upgrade?
No. Software installed via .run scripts is not tracked by APT. To update such software, you must download the new version from the vendor's website and run the new installer manually, often overwriting the previous installation.
Is it safe to execute .run files from unknown sources?
You should exercise extreme caution. Since .run files are executable scripts, they can perform any action on your system, including modifying system files or installing malware. Always verify the digital signature or checksum provided by the official vendor before executing.
What happens if a .deb package has unmet dependencies?
If you use dpkg -i, the installation will fail and leave the package in a broken state. You should use apt install ./package.deb instead, which attempts to fetch missing dependencies from configured repositories to complete the installation successfully.
Why do some drivers only come as .run files?
Hardware vendors often release .run files to ensure maximum compatibility across diverse Linux distributions without maintaining separate packages for each. They may also use .run files to bundle pre-compiled binary blobs that cannot be easily repackaged into open-source compliant DEB formats.