CentOS installation Sysdig and CentOS installation system_call_fastpath

php editor Apple introduces you to CentOS installation Sysdig and CentOS installation system_call_fastpath. Sysdig is a powerful system debugging and monitoring tool that can be used to capture and analyze system calls and events in Linux systems in real time. Installing Sysdig requires executing a series of commands on CentOS to ensure it operates properly. System_call_fastpath is a Linux kernel function that can improve the performance of system calls. Installing system_call_fastpath on CentOS also requires some work. Through the introduction of this article, you will learn how to install Sysdig and system_call_fastpath on CentOS to improve system monitoring and performance.

Sysdig is an open source system debugging and monitoring tool that can capture the running status of the system and provide detailed performance analysis. The following are the steps to install Sysdig on CentOS. :

1. Update system software package:

```

sudo yum update

2. Add Sysdig software source:

sudo rpm -U

3. Install Sysdig:

sudo yum install sysdig

4. Verify the installation:

sysdig --version

After the installation is complete, you can use the sysdig command to monitor and debug the system.

system_call_fastpath is a feature of the CentOS kernel. It can speed up the execution of system calls and improve system performance. The following are the steps to enable the system_call_fastpath feature:

1. Edit /boot/grub/grub .conf file:

sudo vi /boot/grub/grub.conf

2. Add the following parameters at the end of the kernel line:

fast_syscalls=1

The modified kernel line should be similar to:

kernel /vmlinuz-4.18.0-305.el8.x86_64 root=/dev/mapper/centos-root ro crashkernel=auto resume=/dev/mapper /centos-swap rd.lvm.lv=centos/root rd.lvm.lv=centos/swap rhgb quiet fast_syscalls=1

3. Save and exit the file.

4. Update the GRUB configuration:

sudo grub2-mkconfig -o /boot/grub2/grub.cfg

5. Restart the system to apply the changes:

sudo reboot

After the system restarts, the system_call_fastpath feature will be enabled.

Through this article, you learned how to install Sysdig and enable the system_call_fastpath feature on CentOS. Sysdig can help you deeply understand the operation of the system and provide detailed performance analysis, while the system_call_fastpath feature can speed up system calls. execution to improve system performance.

Recently, while using Linux, I discovered a useful little knowledge. In the Linux command line, you can use the `Ctrl R` shortcut key to search for previously executed commands. This function is very convenient and can help you. Quickly find and reuse previously executed commands to improve work efficiency.

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