What should be monitored on a Linux server?

Let’s take a look at the top six key Linux server performance metrics you need to monitor to keep your servers up and running.

1. CPU usage. CPU usage is one of the first places to look when a Linux server shows signs of slowing down.
2. System load.
3. Memory utilization and processes.
4. Disk utilization.
5. Inode usage.
6. Cron jobs.

Which Linux command can you use to constantly monitor the file?

vmstat. For the most part, you use vmstat to monitor what’s going on with virtual memory. Linux constantly uses virtual memory to get the best possible storage performance.

What is Linux Job Scheduling?

Job scheduling is a feature that allows a user to submit a command or program for execution at a specified time in the future. On a Linux server, it is important that certain tasks run at certain times The execution of the command or program could be one time or periodically based on a pre-determined time schedule.

What are different ways to monitor a Linux system?

Top – Linux Process Monitoring.

VmStat – Virtual Memory Statistics.

Lsof – List Open Files.

Tcpdump – Network Packet Analyzer.

Netstat – Network Statistics.

Htop – Linux Process Monitoring.

Iotop – Monitor Linux Disk I/O.

Iostat – Input/Output Statistics.

What is VmStat Linux?

Virtual memory statistics reporter, also known as vmstat , is a Linux command-line tool that reports various bits of system information. Things like memory, paging, processes, IO, CPU, and disk scheduling are all included in the array of information provided. Subsequent reports use measurements of delay and count.

How do I run a scheduled task in Linux?

Use the crontab -e command to open your user account’s crontab file. Commands in this file run with your user account’s permissions. If you want a command to run with system permissions, use the sudo crontab -e command to open the root account’s crontab file.

How do I schedule a future task in Linux?

Schedule tasks in Linux

1. $ crontab -l. Want the cron job list for a different user?
2. $ sudo crontab -u -l. To edit the crontab script, run the command.
3. $ crontab -e.
4. $ Sudo apt install -y at.
5. $ sudo systemctl enable –now atd.service.
6. $ at now + 1 hour.
7. $ at 6pm + 6 days.
8. $ at 6pm + 6 days -f