How To Install capnproto on CentOS 8

capnproto is A data interchange format and capability-based RPC system

Introduction

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

What is capnproto

Cap\u2019n Proto is an insanely fast data interchange format and capability-based RPC system. Think JSON, except binary. Or think Protocol Buffers, except faster. In fact, in benchmarks, Cap\u2019n Proto is INFINITY TIMES faster than Protocol Buffers. This package contains the schema compiler and command-line encoder/decoder tools.

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

Install capnproto 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 capnproto using dnf by running the following command:

sudo dnf -y install capnproto

Install capnproto 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 capnproto using yum by running the following command:

sudo yum -y install capnproto

How To Uninstall capnproto on CentOS 8

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

sudo dnf remove capnproto

capnproto Package Contents on CentOS 8

/usr/bin/capnp
/usr/bin/capnpc
/usr/bin/capnpc-c++
/usr/bin/capnpc-capnp
/usr/lib/.build-id
/usr/lib/.build-id/83
/usr/lib/.build-id/83/15b724432c14aaba0ede3f1b6102d2590710f9
/usr/lib/.build-id/8e
/usr/lib/.build-id/8e/069eb2e99648851dd6355e52e32620eed42bea
/usr/lib/.build-id/a7
/usr/lib/.build-id/a7/9b7aaabff0d22a9ff59f424cc9a7a95443706f

References

Summary

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