What are the commands commonly used in linux clusters
What are the commands commonly used in linux clusters? I believe that there are many people do not understand, today, in order to let you know more about linux cluster commonly used commands, so give you a summary of the following content, let's look down.
Cluster technology is a relatively new technology. Through cluster technology, we can obtain relatively high benefits in terms of performance, reliability and flexibility at a lower cost, and its task scheduling is the core technology of the cluster system.
1. Common system shutdown commands:
Halt, init 0, poweroff, shutdown-h now, shutdown-h 10
two。 Common system restart commands:
Reboot, shutdown-r now, init 1
3. Add hostname and IP mapping
[root@controller ~] # vi / etc/hosts192.168.48.10 controller192.168.48.20 compute
4.shell
#! / bin/bash
# of the above! Is a convention tag that tells the system what kind of interpreter the script needs to execute
The basic format of 5.crontab task configuration:
* * command
Minute (0-59) hour (0-23) date (1-31) month (1-12) week (0-6 for Sunday) order
For example:
0 1 * / home/testuser/test.sh
/ home/testuser/test.sh is called at 1: 00 every night.
* / 10 * / home/testuser/test.sh
Call / home/testuser/test.sh every 10 minutes
Which commands are commonly used in linux cluster are shared here. I hope the above content can be used as a reference for everyone. If you like this article, you might as well share it for more people to see.