How To Install mecab on CentOS 8

mecab is Yet Another Part-of-Speech and Morphological Analyzer

Introduction

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

What is mecab

MeCab is a open source morphological analyzer which uses CRF (Conditional Random Fields) as the estimation of parameters. NOTE You have to install MeCab dictionary rpm to make use of MeCab.

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

Install mecab 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 mecab using dnf by running the following command:

sudo dnf -y install mecab

Install mecab 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 mecab using yum by running the following command:

sudo yum -y install mecab

How To Uninstall mecab on CentOS 8

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

sudo dnf remove mecab

mecab Package Contents on CentOS 8

/etc/mecabrc
/usr/bin/mecab
/usr/lib/.build-id
/usr/lib/.build-id/05
/usr/lib/.build-id/05/8fb29b5aa149b6e5ad4cf9ee646fb3a4d87406
/usr/lib/.build-id/0e
/usr/lib/.build-id/0e/f8298ecb8b6e6efa2a312286d53475c2c97da8
/usr/lib/.build-id/23
/usr/lib/.build-id/23/635e30da907665fd81ab6b0c3342832aba62a4
/usr/lib/.build-id/42
/usr/lib/.build-id/42/7d03e3b0021cb9ae4d46f65659769416c27fdf
/usr/lib/.build-id/4b
/usr/lib/.build-id/4b/20ac7168774649970d084d96e92d458e609fcf
/usr/lib/.build-id/95
/usr/lib/.build-id/95/5d51b848f8b8b64d346d24b09edbaa1c38291e
/usr/lib/.build-id/af
/usr/lib/.build-id/af/db2e707f9fade21cba346006245870f0330cb1
/usr/lib64/libmecab.so.2
/usr/lib64/libmecab.so.2.0.0
/usr/lib64/mecab
/usr/lib64/mecab/dic
/usr/libexec/mecab
/usr/libexec/mecab/mecab-cost-train
/usr/libexec/mecab/mecab-dict-gen
/usr/libexec/mecab/mecab-dict-index
/usr/libexec/mecab/mecab-system-eval
/usr/libexec/mecab/mecab-test-gen
/usr/share/doc/mecab
/usr/share/doc/mecab/AUTHORS
/usr/share/doc/mecab/BSD
/usr/share/doc/mecab/COPYING
/usr/share/doc/mecab/GPL
/usr/share/doc/mecab/LGPL
/usr/share/doc/mecab/doc
/usr/share/doc/mecab/doc/bindings.html
/usr/share/doc/mecab/doc/dic-detail.html
/usr/share/doc/mecab/doc/dic.html
/usr/share/doc/mecab/doc/en
/usr/share/doc/mecab/doc/en/bindings.html
/usr/share/doc/mecab/doc/feature.html
/usr/share/doc/mecab/doc/feature.png
/usr/share/doc/mecab/doc/flow.png
/usr/share/doc/mecab/doc/format.html
/usr/share/doc/mecab/doc/index.html
/usr/share/doc/mecab/doc/learn.html
/usr/share/doc/mecab/doc/libmecab.html
/usr/share/doc/mecab/doc/mecab.css
/usr/share/doc/mecab/doc/mecab.html
/usr/share/doc/mecab/doc/partial.html
/usr/share/doc/mecab/doc/posid.html
/usr/share/doc/mecab/doc/result.png
/usr/share/doc/mecab/doc/soft.html
/usr/share/doc/mecab/doc/unk.html
/usr/share/doc/mecab/example
/usr/share/doc/mecab/example/example.c
/usr/share/doc/mecab/example/example.cpp
/usr/share/doc/mecab/example/example_lattice.c
/usr/share/doc/mecab/example/example_lattice.cpp
/usr/share/doc/mecab/example/thread_test.cpp
/usr/share/man/man1/mecab.1.gz

References

Summary

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