Linux | Notion

How to view all messages generated by the system since the last reboot on RHEL7/CentOS 7?
What are 7 different ways of showing the kernel messages?
How can you continuously monitor logs as they come in?
Where can you find messages related to the installation of Linux?
Where are most of the log files located?
How to check system load without the top command?
By default, load average is shown in how many intervals?
How can you get the physical and virtual memory statistics?
How to check CPU utilization and other statistics?
How to find the process ID of a process and kill it immediately?
How can you list all network connections by port 22?
How to check scheduled jobs?
If your cron job didn't work, how would you check?
How to check open port on Linux system?
How to check the IP of the VM
How to get the system information