How To Install gcc-toolset-9-ltrace on CentOS 8

gcc-toolset-9-ltrace is Tracks runtime library calls from dynamically linked executables

Introduction

In this tutorial we learn how to install gcc-toolset-9-ltrace on CentOS 8.

What is gcc-toolset-9-ltrace

Ltrace is a debugging program which runs a specified command until the command exits. While the command is executing, ltrace intercepts and records both the dynamic library calls called by the executed process and the signals received by the executed process. Ltrace can also intercept and print system calls executed by the process. You should install ltrace if you need a sysadmin tool for tracking the execution of processes.

We can use yum or dnf to install gcc-toolset-9-ltrace on CentOS 8. In this tutorial we discuss both methods but you only need to choose one of method to install gcc-toolset-9-ltrace.

Install gcc-toolset-9-ltrace 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 gcc-toolset-9-ltrace using dnf by running the following command:

sudo dnf -y install gcc-toolset-9-ltrace

Install gcc-toolset-9-ltrace 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 gcc-toolset-9-ltrace using yum by running the following command:

sudo yum -y install gcc-toolset-9-ltrace

How To Uninstall gcc-toolset-9-ltrace on CentOS 8

To uninstall only the gcc-toolset-9-ltrace package we can use the following command:

sudo dnf remove gcc-toolset-9-ltrace

gcc-toolset-9-ltrace Package Contents on CentOS 8

/opt/rh/gcc-toolset-9/root/usr/bin/ltrace
/opt/rh/gcc-toolset-9/root/usr/share/doc/gcc-toolset-9-ltrace
/opt/rh/gcc-toolset-9/root/usr/share/doc/gcc-toolset-9-ltrace/COPYING
/opt/rh/gcc-toolset-9/root/usr/share/doc/gcc-toolset-9-ltrace/CREDITS
/opt/rh/gcc-toolset-9/root/usr/share/doc/gcc-toolset-9-ltrace/INSTALL
/opt/rh/gcc-toolset-9/root/usr/share/doc/gcc-toolset-9-ltrace/NEWS
/opt/rh/gcc-toolset-9/root/usr/share/doc/gcc-toolset-9-ltrace/README
/opt/rh/gcc-toolset-9/root/usr/share/doc/gcc-toolset-9-ltrace/TODO
/opt/rh/gcc-toolset-9/root/usr/share/ltrace
/opt/rh/gcc-toolset-9/root/usr/share/ltrace/libacl.so.conf
/opt/rh/gcc-toolset-9/root/usr/share/ltrace/libc.so.conf
/opt/rh/gcc-toolset-9/root/usr/share/ltrace/libm.so.conf
/opt/rh/gcc-toolset-9/root/usr/share/ltrace/syscalls.conf
/opt/rh/gcc-toolset-9/root/usr/share/man/man1/ltrace.1.gz
/opt/rh/gcc-toolset-9/root/usr/share/man/man5/ltrace.conf.5.gz
/usr/lib/.build-id
/usr/lib/.build-id/ac
/usr/lib/.build-id/ac/8e13fe4a3e3da2d6fc50eea972c95460ee2ba0

References

Summary

In this tutorial we learn how to install gcc-toolset-9-ltrace on CentOS 8 using yum and dnf.