One major mistake new users often make is adding random repositories without conducting thorough research. While it may be tempting to add new sources for software, it's important to only use trusted repositories from known vendors. Malicious software has been known to lurk in less-reputable repositories, posing significant risks to system integrity and security. By sticking to safe and verified sources, users can better safeguard their systems and enjoy a smoother experience with their Linux installation.
Logging in as root might have been a common practice in the past, but it can now lead to potential security vulnerabilities. Nowadays, most Linux distributions, such as Ubuntu, come with the root account deactivated or require special permissions to access it. Instead of logging in as the superuser, users should operate with standard user privileges and only escalate when necessary. This practice reduces the risk of making critical system-level errors or inadvertently compromising system security.
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