What is the default user for Ubuntu?

By default, the initial user created by the Ubuntu installer is a member of the group sudo which is added to the file /etc/sudoers as an authorized sudo user. If you wish to give any other account full root access through sudo, simply add them to the sudo group.

Is Ubuntu a safe operating system?

In short, yes, it’s safe to put files on Ubuntu and it’s OK to have antivirus installed.

What is the Ubuntu user?

www.ubuntu-user.com. ISSN. 2040-8080. Ubuntu User is a paper magazine that was launched by Linux New Media AG in May 2009. The publication is aimed at users of the Ubuntu operating system and focuses on reviews, community news, how to articles and troubleshooting tips.

How can I make Ubuntu 20.04 more secure?

How to Secure your Ubuntu 20.04 Home Server

1. Change the default SSH port.
2. Install and setup ufw.
3. Generate keygen.
4. Only allow login with keygen.
5. Install and setup fail2ban.
6. Setup two factor authentication.

How do I keep Linux secure?

How to Protect Your Privacy on Linux

1. Ensure you use a password to protect your user account.
2. Don’t use an admin account for daily activity.
3. Encrypt your data.
4. Activate your screensaver when idle with screen lock.
5. Review your installed applications.
6. Keep your system updated.
7. Periodically check for rootkits.

How do I manage users in Ubuntu?

Open the Account Settings dialog either through Ubuntu dash or by clicking the down-arrow located at the top right corner of your Ubuntu screen. Click your username and then select Account Settings. The Users dialog will open. Please note that all the fields will be disabled.

How do I harden Linux?

A few basic Linux hardening and Linux server security best practices can make all the difference, as we explain below:

1. Use Strong and Unique Passwords.
2. Generate an SSH Key Pair.
3. Update Your Software Regularly.
4. Enable Automatic Updates.
5. Avoid Unnecessary Software.
6. Disable Booting from External Devices.
7. Close Hidden Open Ports.