CentOS uses the top command CPU load CentOS is the product of source code re-compilation of RHEL (RedHatEnterpriseLinux), and many known bugs have been fixed on the basis of RHEL. compared with other Linux releases, its stability is trustworthy.
Differences between CentOS, Ubuntu, and DebianArticle 1
Linux has many release versions, which are divided by nature into commercial versions maintained by commercial companies and free release versions maintained by open-source communities.
The
Install the CentOS Linux platform with VMware Workstation 11 virtual software to achieve basic lab requirements.
Set up a directory to store the CentOS guest system;
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Linux has a very large number of distributions, broken down in nature, and broadly divided into commercial versions maintained by commercial companies and free releases maintained by the open source community.The commercial version is represented by
CentOS uses the top command to load the CPU. CentOS is the product of source code re-Compilation of RHEL (Red Hat Enterprise Linux), and many known bugs have been fixed on the basis of RHEL. Compared with other Linux releases, its stability is
1. RoleThe top command is used to display the program process in progress, and the permissions are all users.2. FormatTop [-] [D delay] [Q] [C] [s] [s] [i] [n]3. Main parametersD: Specifies the interval of the update, in seconds.Q: There are no
CentOS is the product of source code re-Compilation of RHEL (Red Hat Enterprise Linux), and many known bugs have been fixed on the basis of RHEL. Compared with other Linux distributions, CentOS is trustable.
During system maintenance, you may need
1. htop introduction Thisishtop, aninteractiveprocessviewerforLinux. Itisatext-modeapplication (forconsoleorXterminals) andrequiresncurses. Comparisonbetweenhtop
I. INTRODUCTION to htop
This is htop, an interactive process viewer for Linux. It is a
During system maintenance, you may need to check the CPU usage at any time and analyze the system status based on the relevant information. In CentOS, you can use the top command to view CPU usage. After the top command is run, the CPU usage status
1. View process ps-
KillPID
2. Add a scheduled task crontab-e
Example: 3021 *** servicehttpdrestart
Restart apache at every day
View crontab status
Servicecrondstatus
3. find/-namejiangkong.zip
4. centos host name modification command
You need to
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