Linux管理员：欢迎登陆！（linux管理员登陆）

linux, the open source operating system, has become an essential asset for professional system administrators.

Linux is a powerful, secure platform for nearly any workload. It offers a range of advantages, from a smaller resource footprint to greater flexibility and control for system administrators.

When managing a Linux system, it’s often necessary to take regular actions, such as performing backups, installing software and settings up user accounts. System administrators must also be aware of security threats and be prepared to take corrective actions if needed.

Today, many organizations are turning to Linux to meet their needs. System administrators are needed to handle the installation, configuration, and maintenance of Linux systems.

As a Linux system admin, You’ll be responsible for the security and reliability of your environment. You’ll need to have an in-depth understanding of Linux administration concepts, as well as the command line.

You’ll also need to master security principles, such as user and group permissions, network security and encryption. In addition, you’ll need to have an understanding of Linux-specific topics, such as kernel modules and networking.

If you’re just starting out in Linux administration, there are plenty of online resources to help you get up to speed. From online tutorials and documentation to official Linux forums and IRC channels, you can gain access to a wealth of information to guide your learning.

You’ll also need to develop a strong skill set. This includes troubleshooting and problem solving, automation scripting and working with system APIs.

If you’re comfortable with Linux administration tasks and have a drive to build great systems, you’ll be an indispensable member of any system administration team.

Welcome to the world of Linux system administration! Get started by brushing up on the basics and exploring tutorials, then dive into the command line. With dedication and hard work, you’ll be a capable and valuable system admin in no time.

# Make a user an administrator
usermod -aG sudo 
# Create a new user

useradd -m 
# Set a user password 

passwd 
# Change a user password

passwd -f 

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