How To Install strace on CentOS 8

strace is Tracks and displays system calls associated with a running process

Introduction

In this tutorial we learn how to install strace on CentOS 8.

What is strace

The strace program intercepts and records the system calls called and received by a running process. Strace can print a record of each system call, its arguments and its return value. Strace is useful for diagnosing problems and debugging, as well as for instructional purposes. Install strace if you need a tool to track the system calls made and received by a process.

We can use yum or dnf to install strace on CentOS 8. In this tutorial we discuss both methods but you only need to choose one of method to install strace.

Install strace on CentOS 8 Using dnf

Update yum database with dnf using the following command.

sudo dnf makecache --refresh

The output should look something like this:

CentOS Linux 8 - AppStream                                       43 kB/s | 4.3 kB     00:00    
CentOS Linux 8 - BaseOS                                          65 kB/s | 3.9 kB     00:00    
CentOS Linux 8 - ContinuousRelease                               43 kB/s | 3.0 kB     00:00    
CentOS Linux 8 - Extras                                          23 kB/s | 1.5 kB     00:00    
CentOS Linux 8 - FastTrack                                       40 kB/s | 3.0 kB     00:00    
CentOS Linux 8 - HighAvailability                                36 kB/s | 3.9 kB     00:00    
CentOS Linux 8 - Plus                                            24 kB/s | 1.5 kB     00:00    
CentOS Linux 8 - PowerTools                                      50 kB/s | 4.3 kB     00:00    
Extra Packages for Enterprise Linux Modular 8 - x86_64           13 kB/s | 9.2 kB     00:00    
Extra Packages for Enterprise Linux 8 - x86_64                   24 kB/s | 8.5 kB     00:00    
Metadata cache created.

After updating yum database, We can install strace using dnf by running the following command:

sudo dnf -y install strace

Install strace on CentOS 8 Using yum

Update yum database with yum using the following command.

sudo yum makecache --refresh

The output should look something like this:

CentOS Linux 8 - AppStream                                       43 kB/s | 4.3 kB     00:00    
CentOS Linux 8 - BaseOS                                          65 kB/s | 3.9 kB     00:00    
CentOS Linux 8 - ContinuousRelease                               43 kB/s | 3.0 kB     00:00    
CentOS Linux 8 - Extras                                          23 kB/s | 1.5 kB     00:00    
CentOS Linux 8 - FastTrack                                       40 kB/s | 3.0 kB     00:00    
CentOS Linux 8 - HighAvailability                                36 kB/s | 3.9 kB     00:00    
CentOS Linux 8 - Plus                                            24 kB/s | 1.5 kB     00:00    
CentOS Linux 8 - PowerTools                                      50 kB/s | 4.3 kB     00:00    
Extra Packages for Enterprise Linux Modular 8 - x86_64           13 kB/s | 9.2 kB     00:00    
Extra Packages for Enterprise Linux 8 - x86_64                   24 kB/s | 8.5 kB     00:00    
Metadata cache created.

After updating yum database, We can install strace using yum by running the following command:

sudo yum -y install strace

How To Uninstall strace on CentOS 8

To uninstall only the strace package we can use the following command:

sudo dnf remove strace

strace Package Contents on CentOS 8

/usr/bin/strace
/usr/bin/strace-log-merge
/usr/lib/.build-id
/usr/lib/.build-id/4e
/usr/lib/.build-id/4e/c881845344913e9db84bb7afa6bc21779ddccf
/usr/share/doc/strace
/usr/share/doc/strace/COPYING
/usr/share/doc/strace/CREDITS
/usr/share/doc/strace/ChangeLog-CVS.gz
/usr/share/doc/strace/ChangeLog.gz
/usr/share/doc/strace/LGPL-2.1-or-later
/usr/share/doc/strace/NEWS
/usr/share/doc/strace/README
/usr/share/man/man1/strace-log-merge.1.gz
/usr/share/man/man1/strace.1.gz

References

Summary

In this tutorial we learn how to install strace on CentOS 8 using yum and dnf.