How To Install Ruby And Execute Ruby Script On Rocky Linux 8.6
To Install Ruby And Execute Ruby Script On Rocky Linux 8.6
Introduction
Ruby is a powerful scripting language. Scripts can be used to automate tasks including creating and searching files and managing and organizing subdirectories. Ruby scripting language is used by many companies like Github, Chef, and Puppet. DevOps teams use scripting for the purpose of combining development and operations.
Step 1 : Check the installed version of OS by using the below command
[root@linuxhelp ~]#cat /etc/os-release
NAME="Rocky Linux"
VERSION="8.6 (Green Obsidian)"
ID="rocky"
ID_LIKE="rhel centos fedora"
VERSION_ID="8.6"
PLATFORM_ID="platform:el8"
PRETTY_NAME="Rocky Linux 8.6 (Green Obsidian)"
ANSI_COLOR="0;32"
CPE_NAME="cpe:/o:rocky:rocky:8:GA"
HOME_URL="https://rockylinux.org/"
BUG_REPORT_URL="https://bugs.rockylinux.org/"
ROCKY_SUPPORT_PRODUCT="Rocky Linux"
ROCKY_SUPPORT_PRODUCT_VERSION="8"
REDHAT_SUPPORT_PRODUCT="Rocky Linux"
REDHAT_SUPPORT_PRODUCT_VERSION="8"
Step 2 : Check ruby installed or not by using rpm command
[root@linuxhelp ~]# rpm -qa |grep ruby
Step 3: Install ruby by using the below command
[root@linuxhelp ~]# yum install ruby*
Last metadata expiration check: 1:57:33 ago on Fri 15 Jul 2022 05:52:49 PM EDT.
Dependencies resolved.
====================================================================================================
Package Arch Version Repository Size
====================================================================================================
Installing:
ruby x86_64 2.5.9-109.module+el8.5.0+740+b85cbe0d appstream 86 k
ruby-devel x86_64 2.5.9-109.module+el8.5.0+740+b85cbe0d appstream 125 k
ruby-doc noarch 2.5.9-109.module+el8.5.0+740+b85cbe0d appstream 5.3 M
ruby-hivex x86_64 1.3.18-23.module+el8.6.0+847+b490afdd appstream 219 k
ruby-irb noarch 2.5.9-109.module+el8.5.0+740+b85cbe0d appstream 101 k
ruby-libguestfs x86_64 1:1.44.0-5.module+el8.6.0+847+b490afdd.rocky appstream 286 k
ruby-libs x86_64 2.5.9-109.module+el8.5.0+740+b85cbe0d appstream 2.9 M
rubygem-abrt noarch 0.3.0-4.module+el8.5.0+739+43897a5e appstream 13 k
rubygem-abrt-doc noarch 0.3.0-4.module+el8.5.0+739+43897a5e appstream 198 k
rubygem-bigdecimal x86_64 1.3.4-109.module+el8.5.0+740+b85cbe0d appstream 97 k
rubygem-bson x86_64 4.3.0-2.module+el8.4.0+592+03ff458a appstream 53 k
rubygem-bson-doc noarch 4.3.0-2.module+el8.4.0+592+03ff458a appstream 374 k
rubygem-bundler noarch 1.16.1-4.module+el8.5.0+739+43897a5e appstream 352 k
appstream 768 k
libguestfs-appliance x86_64 1:1.44.0-5.module+el8.6.0+847+b490afdd.rocky appstream 2.1 M
libpq x86_64 13.5-1.el8 appstream 197 k
mariadb-connector-c x86_64 3.1.11-2.el8_3 appstream 199 k
mariadb-connector-c-config noarch 3.1.11-2.el8_3 appstream 14 k
scrub x86_64 2.5.2-16.el8 appstream 43 k
supermin x86_64 5.2.1-1.module+el8.6.0+847+b490afdd appstream 712 k
syslinux x86_64 6.04-5.el8 baseos 577 k
syslinux-extlinux x86_64 6.04-5.el8 baseos 140 k
syslinux-extlinux-nonlinux noarch 6.04-5.el8 baseos 385 k
syslinux-nonlinux noarch 6.04-5.el8 baseos 551 k
Transaction Summary
====================================================================================================
Install 46 Packages
Total download size: 21 M
Installed size: 69 M
Is this ok [y/N]: y
Downloading Packages:
(1/46): hivex-1.3.18-23.module+el8.6.0+847+b490afdd.x86_64.rpm 143 kB/s | 112 kB 00:00
(2/46): libguestfs-1.44.0-5.module+el8.6.0+847+b490afdd.rocky.x86_6 905 kB/s | 768 kB 00:00
(3/46): libguestfs-appliance-1.44.0-5.module+el8.6.0+847+b490afdd.r 2.1 MB/s | 2.1 MB 00:00
(4/46): libpq-13.5-1.el8.x86_64.rpm 797 kB/s | 197 kB 00:00
(5/46): mariadb-connector-c-config-3.1.11-2.el8_3.noarch.rpm 122 kB/s | 14 kB 00:00
(6/46): mariadb-connector-c-3.1.11-2.el8_3.x86_64.rpm 634 kB/s | 199 kB 00:00
(7/46): ruby-2.5.9-109.module+el8.5.0+740+b85cbe0d.x86_64.rpm 348 kB/s | 86 kB 00:00
(8/46): ruby-devel-2.5.9-109.module+el8.5.0+740+b85cbe0d.x86_64.rpm 698 kB/s | 125 kB 00:00
(45/46): syslinux-6.04-5.el8.x86_64.rpm 658 kB/s | 577 kB 00:00
(46/46): syslinux-nonlinux-6.04-5.el8.noarch.rpm 1.2 MB/s | 551 kB 00:00
----------------------------------------------------------------------------------------------------
Total 3.0 MB/s | 21 MB 00:07
Running transaction check
Transaction check succeeded.
Running transaction test
Transaction test succeeded.
Running transaction
Preparing : 1/1
Installing : ruby-libs-2.5.9-109.module+el8.5.0+740+b85cbe0d.x86_64 1/46
Installing : ruby-irb-2.5.9-109.module+el8.5.0+740+b85cbe0d.noarch 2/46
Installing : rubygem-bigdecimal-1.3.4-109.module+el8.5.0+740+b85cbe0d.x86_64 3/46
Installing : rubygem-did_you_mean-1.2.0-109.module+el8.5.0+740+b85cbe0d.noarch 4/46
Installing : rubygem-io-console-0.4.6-109.module+el8.5.0+740+b85cbe0d.x86_64 5/46
Installing : rubygem-json-2.1.0-109.module+el8.5.0+740+b85cbe0d.x86_64 6/46
Installing : rubygem-openssl-2.1.2-109.module+el8.5.0+740+b85cbe0d.x86_64 7/46
Installing : rubygem-psych-3.0.2-109.module+el8.5.0+740+b85cbe0d.x86_64 8/46
Installing : rubygem-rdoc-6.0.1.1-109.module+el8.5.0+740+b85cbe0d.noarch 9/46
Installing : rubygems-2.7.6.3-109.module+el8.5.0+740+b85cbe0d.noarch 10/46
Installing : ruby-2.5.9-109.module+el8.5.0+740+b85cbe0d.x86_64 11/46
Installing : syslinux-nonlinux-6.04-5.el8.noarch 12/46
Installing : syslinux-6.04-5.el8.x86_64 13/46
Installing : hivex-1.3.18-23.module+el8.6.0+847+b490afdd.x86_64 14/46
Installing : rubygem-bson-4.3.0-2.module+el8.4.0+592+03ff458a.x86_64 15/46
Installing : rubygem-mongo-2.5.1-2.module+el8.4.0+592+03ff458a.noarch 16/46
Installing : syslinux-extlinux-nonlinux-6.04-5.el8.noarch 17/46
Installing : syslinux-extlinux-6.04-5.el8.x86_64 18/46
Running scriptlet: syslinux-extlinux-6.04-5.el8.x86_64 18/46
Installing : rubygem-bundler-1.16.1-4.module+el8.5.0+739+43897a5e.noarch 19/46
Installing : rubygem-abrt-0.3.0-4.module+el8.5.0+739+43897a5e.noarch 20/46
Installing : rubygem-power_assert-1.1.1-109.module+el8.5.0+740+b85cbe0d.noarch 21/46
Step 4 : Check the installed version of ruby by using the below command
[root@linuxhelp ~]# ruby --version
ruby 2.5.9p229 (2021-04-05 revision 67939) [x86_64-linux]
Step 5 Create the .rb file to enter ruby script by using the below command
[root@linuxhelp ~]# vim sample.rb
#!/usr/bin/env ruby
puts 'what is your name?'
name = gets.chomp
puts "Hello #{name}!"
Step 6 : run the ruby script by using the below command
[root@linuxhelp ~]# ruby sample.rb
what is your name?
Mohamed
Hello Mohamed!
Conclusion:
We have reached the end of this article. In this guide, we have walked you through the steps required to Install And Execute Ruby Script On Rocky Linux 8.6 . Your feedback is much welcome.
Q
What are Ruby variables?
A
Local variable
Class variable
Instance variable
Global variable
Class variable
Instance variable
Global variable
Q
Name some operators used in Ruby?
A
Unary operator
Airthmetic operator
Bitwise operator
Logical operator
Ternary operator
Airthmetic operator
Bitwise operator
Logical operator
Ternary operator
Q
List some features of Ruby?
A
Object-oriented
Flexible
Dynamic typing and Duck typing
Garbage collector
Keyword arguments
Flexible
Dynamic typing and Duck typing
Garbage collector
Keyword arguments
Q
Who is the developer of Ruby?
A
Ruby is designed and developed by Yukihiro "Martz" Matsumoto in mid-1990 in Japan.
Strings
Symbols
Hashes
Arrays
Booleans