CentOS Stream 9: Moduler Repository

Initial Settings

Below are how to use the Moduler Repository of CentOS Stream 9.

Step [1] Display available modules.

[root@bizantum ~]# dnf module list
CentOS Stream 9 - AppStream
Name       Stream Profiles               Summary
maven      3.8    common [d]             Java project management and project com
                                         prehension tool
nginx      1.22   common [d]             nginx webserver

.....
.....

postgresql 15     client, server [d]     PostgreSQL server and client module
redis      7      common [d]             Redis persistent key-value database
ruby       3.1    common [d]             An interpreter of object-oriented scrip
                                         ting language

Hint: [d]efault, [e]nabled, [x]disabled, [i]nstalled

Step [2] For installing available modules, Configure like follows.

# for example, display [Node.js] modules
[root@bizantum ~]# dnf module list nodejs
CentOS Stream 9 - AppStream
Name      Stream    Profiles                                Summary
nodejs    18        common [d], development, minimal, s2i   Javascript runtime
nodejs    20        common [d], development, minimal, s2i   Javascript runtime

Hint: [d]efault, [e]nabled, [x]disabled, [i]nstalled

# install Node.js 18
[root@bizantum ~]# dnf module -y install nodejs:18
Dependencies resolved.
========================================================================================
 Package            Arch    Version                                     Repo        Size
========================================================================================
Installing group/module packages:
 nodejs             x86_64  1:18.14.2-2.module_el9+307+7e5e4074         appstream   12 M
 npm                x86_64  1:9.5.0-1.18.14.2.2.module_el9+307+7e5e4074 appstream  2.5 M
Installing weak dependencies:
 nodejs-docs        noarch  1:18.14.2-2.module_el9+307+7e5e4074         appstream  7.6 M
 nodejs-full-i18n   x86_64  1:18.14.2-2.module_el9+307+7e5e4074         appstream  8.4 M
Installing module profiles:
 nodejs/common
Enabling module streams:
 nodejs                     18

Transaction Summary
========================================================================================
Install  4 Packages
.....
.....

# state of [Node.js 18] turns to [e]nabled and [i]nstalled
[root@bizantum ~]# dnf module list nodejs
CentOS Stream 9 - AppStream
Name     Stream   Profiles                                   Summary
nodejs   18 [e]   common [d] [i], development, minimal, s2i  Javascript runtime
nodejs   20       common [d], development, minimal, s2i      Javascript runtime

Hint: [d]efault, [e]nabled, [x]disabled, [i]nstalled

[root@bizantum ~]# node -v
v18.14.2

Step [3] If you would like to change to another version of installed module, Configure like follows. For example, Switch to Node.js 20 from Node.js 18 that was installed on ^{Step [2]} above.

[root@bizantum ~]# dnf module list nodejs
CentOS Stream 9 - AppStream
Name     Stream   Profiles                                   Summary
nodejs   18 [e]   common [d] [i], development, minimal, s2i  Javascript runtime
nodejs   20       common [d], development, minimal, s2i      Javascript runtime

Hint: [d]efault, [e]nabled, [x]disabled, [i]nstalled

# reset first to switch
[root@bizantum ~]# dnf module -y reset nodejs
# install Node.js 20
[root@bizantum ~]# dnf module -y install nodejs:20
Dependencies resolved.
=======================================================================================
 Package            Arch    Version                                    Repo        Size
=======================================================================================
Upgrading:
 nodejs             x86_64  1:20.5.1-1.module_el9+642+c81e94f6         appstream   14 M
 nodejs-docs        noarch  1:20.5.1-1.module_el9+642+c81e94f6         appstream  8.0 M
 nodejs-full-i18n   x86_64  1:20.5.1-1.module_el9+642+c81e94f6         appstream  8.5 M
 npm                x86_64  1:9.8.0-1.20.5.1.1.module_el9+642+c81e94f6 appstream  2.6 M
Installing module profiles:
 nodejs/common
Enabling module streams:
 nodejs                     20

Transaction Summary
=======================================================================================
Upgrade  4 Packages
.....
.....

# state of [Node.js 20] turns to [e]nabled
[root@bizantum ~]# dnf module list nodejs
CentOS Stream 9 - AppStream
Name     Stream   Profiles                                   Summary
nodejs   18       common [d], development, minimal, s2i      Javascript runtime
nodejs   20 [e]   common [d] [i], development, minimal, s2i  Javascript runtime

Hint: [d]efault, [e]nabled, [x]disabled, [i]nstalled

[root@bizantum ~]# node -v
v20.5.1