10 recommended Linux utilities

10 recommended Linux utilities

In this article, we have collected 10 tools that are very useful to Linux users, including network monitoring, system auditing, and other useful commands. These 10 Linux tools can help you improve your work and use efficiency, very practical.

1. w

Yes, you are not mistaken. It is the w command. With this command, we can view who is currently logged on to the system and what commands are executed.

Use the w command and uptime command in Linux to view the system load

2. nmon

Nmon is a small tool that can monitor the current system performance. Before using Nmon, you must use the following command to install Nmon:

1. sudo apt-get install nmon

After the installation, run the nmon command to open it:

1. nmon

Nmon allows you to view network, CPU, memory, and disk usage.

For details, see

3. ncdu

The ncdu command can be used to view and analyze the disk space usage of various directories in Linux. Use the following command to install it:

Apt-get install ncdu

After installation, execute the following command to start analysis from the root directory:

Ncdu/

Note: executing the above command will occupy a large amount of disk I/O

After the analysis is complete, an output similar to the following is generated:

We can sort by n by name or by s by size in the result interface.

4. slurm

Slurm is a NIC bandwidth monitoring command line utility that automatically generates ASCII image output. Run the following command to install the SDK:

Apt-get install slurm

Use the following command for output:

Slurm-I <Nic Name>

You can execute the following options on the slurm interface:
I: displays the lx/tx status.
C: switch to the classic interface
R: manually refresh the interface
Q: exit the tool.

5. findmnt

Findmnt is a built-in Linux Command Line tool used to find the status of the mounted file system. Findmnt can view the mounted devices in the current system and mount or unmount the devices if necessary.

After executing the findmnt command, you will see the following input:

Of course, the following parameters are available:
Findmnt-l: Output in list mode
Findmnt-s: output the device mounted in fstab
Findmnt-t ext4: output by file system type

For more details, please continue to read the highlights on the next page:

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