rvm install ruby-2.4.1

vagrant@vagrant:~$ curl -L get.rvm.io | bash -s stable % Total % Received % Xferd Average Speed Time Time Time Current Dload Upload Total Spent Left Speed 100 194 100 194 0 0 694 0 --:--:-- --:--:-- --:--:-- 695 100 24090 100 24090 0 0 29156 0 --:--:-- --:--:-- --:--:-- 832k awk: symbol lookup error: /usr/local/lib/libreadline.so.6: undefined symbol: UP vagrant@vagrant:~$ gpg2 --keyserver hkp://keys.gnupg.net --recv-keys D39DC0E3 The program 'gpg2' is currently not installed. You can install it by typing: sudo apt install gnupg2 

vagrant@vagrant:~$ sudo apt-get install gnupg2 Reading package lists... Done Building dependency tree Reading state information... Done The following additional packages will be installed: dirmngr gnupg-agent libassuan0 libksba8 libnpth0 pinentry-curses Suggested packages: gnupg-doc parcimonie xloadimage pinentry-doc The following NEW packages will be installed: dirmngr gnupg-agent gnupg2 libassuan0 libksba8 libnpth0 pinentry-curses 0 upgraded, 7 newly installed, 0 to remove and 2 not upgraded. Need to get 1,394 kB of archives. After this operation, 4,111 kB of additional disk space will be used. Do you want to continue? [Y/n] y Get:1 http://us.archive.ubuntu.com/ubuntu xenial/main amd64 libassuan0 amd64 2.4.2-2 [34.6 kB] Get:2 http://us.archive.ubuntu.com/ubuntu xenial/main amd64 pinentry-curses amd64 0.9.7-3 [31.2 kB] Get:3 http://us.archive.ubuntu.com/ubuntu xenial/main amd64 libnpth0 amd64 1.2-3 [7,998 B] Get:4 http://us.archive.ubuntu.com/ubuntu xenial/main amd64 gnupg-agent amd64 2.1.11-6ubuntu2 [239 kB] Get:5 http://us.archive.ubuntu.com/ubuntu xenial-updates/main amd64 libksba8 amd64 1.3.3-1ubuntu0.16.04.1 [90.2 kB] Get:6 http://us.archive.ubuntu.com/ubuntu xenial/main amd64 gnupg2 amd64 2.1.11-6ubuntu2 [756 kB] Get:7 http://us.archive.ubuntu.com/ubuntu xenial/main amd64 dirmngr amd64 2.1.11-6ubuntu2 [235 kB] Fetched 1,394 kB in 1s (928 kB/s) Selecting previously unselected package libassuan0:amd64. (Reading database ... 153852 files and directories currently installed.) Preparing to unpack .../libassuan0_2.4.2-2_amd64.deb ... Unpacking libassuan0:amd64 (2.4.2-2) ... Processing triggers for libc-bin (2.23-0ubuntu9) ... Setting up libassuan0:amd64 (2.4.2-2) ... Processing triggers for libc-bin (2.23-0ubuntu9) ... Selecting previously unselected package pinentry-curses. (Reading database ... 153857 files and directories currently installed.) Preparing to unpack .../pinentry-curses_0.9.7-3_amd64.deb ... Unpacking pinentry-curses (0.9.7-3) ... Processing triggers for man-db (2.7.5-1) ... Setting up pinentry-curses (0.9.7-3) ... Selecting previously unselected package libnpth0:amd64. (Reading database ... 153865 files and directories currently installed.) Preparing to unpack .../libnpth0_1.2-3_amd64.deb ... Unpacking libnpth0:amd64 (1.2-3) ... Processing triggers for libc-bin (2.23-0ubuntu9) ... Setting up libnpth0:amd64 (1.2-3) ... Processing triggers for libc-bin (2.23-0ubuntu9) ... Selecting previously unselected package gnupg-agent. (Reading database ... 153870 files and directories currently installed.) Preparing to unpack .../gnupg-agent_2.1.11-6ubuntu2_amd64.deb ... Unpacking gnupg-agent (2.1.11-6ubuntu2) ... Processing triggers for man-db (2.7.5-1) ... Setting up gnupg-agent (2.1.11-6ubuntu2) ... Selecting previously unselected package libksba8:amd64. (Reading database ... 153891 files and directories currently installed.) Preparing to unpack .../libksba8_1.3.3-1ubuntu0.16.04.1_amd64.deb ... Unpacking libksba8:amd64 (1.3.3-1ubuntu0.16.04.1) ... Processing triggers for libc-bin (2.23-0ubuntu9) ... Setting up libksba8:amd64 (1.3.3-1ubuntu0.16.04.1) ... Processing triggers for libc-bin (2.23-0ubuntu9) ... Selecting previously unselected package gnupg2. (Reading database ... 153899 files and directories currently installed.) Preparing to unpack .../gnupg2_2.1.11-6ubuntu2_amd64.deb ... Unpacking gnupg2 (2.1.11-6ubuntu2) ... Processing triggers for install-info (6.1.0.dfsg.1-5) ... Processing triggers for man-db (2.7.5-1) ... Setting up gnupg2 (2.1.11-6ubuntu2) ... Selecting previously unselected package dirmngr. (Reading database ... 153962 files and directories currently installed.) Preparing to unpack .../dirmngr_2.1.11-6ubuntu2_amd64.deb ... Unpacking dirmngr (2.1.11-6ubuntu2) ... Processing triggers for man-db (2.7.5-1) ... Setting up dirmngr (2.1.11-6ubuntu2) ... 

vagrant@vagrant:~$ curl -L get.rvm.io | bash -s stable % Total % Received % Xferd Average Speed Time Time Time Current Dload Upload Total Spent Left Speed 100 194 100 194 0 0 260 0 --:--:-- --:--:-- --:--:-- 260 100 24090 100 24090 0 0 13095 0 0:00:01 0:00:01 --:--:-- 40419 Downloading https://github.com/rvm/rvm/archive/1.29.3.tar.gz Downloading https://github.com/rvm/rvm/releases/download/1.29.3/1.29.3.tar.gz.asc gpg: Signature made Sun 10 Sep 2017 08:59:21 PM UTC using RSA key ID BF04FF17 gpg: Good signature from "Michal Papis (RVM signing) <mpapis@gmail.com>" [unknown] gpg: aka "Michal Papis <michal.papis@toptal.com>" [unknown] gpg: aka "[jpeg image of size 5015]" [unknown] gpg: WARNING: This key is not certified with a trusted signature! gpg: There is no indication that the signature belongs to the owner. Primary key fingerprint: 409B 6B17 96C2 7546 2A17 0311 3804 BB82 D39D C0E3 Subkey fingerprint: 62C9 E5F4 DA30 0D94 AC36 166B E206 C29F BF04 FF17 GPG verified '/home/vagrant/.rvm/archives/rvm-1.29.3.tgz' Upgrading the RVM installation in /home/vagrant/.rvm/ RVM PATH line found in /home/vagrant/.mkshrc /home/vagrant/.profile /home/vagrant/.bashrc /home/vagrant/.zshrc. RVM sourcing line found in /home/vagrant/.profile /home/vagrant/.bash_profile /home/vagrant/.zlogin. Installing rvm gem in 1 gemsets. Installing gem-wrappers gem in 1 gemsets. Regenerating gem wrappers in 1 rubies. Upgrade of RVM in /home/vagrant/.rvm/ is complete. Upgrade Notes: * No new notes to display. 

vagrant@vagrant:~$ gpg2 --keyserver hkp://keys.gnupg.net --recv-keys D39DC0E3 gpg: key D39DC0E3: "Michal Papis (RVM signing) <mpapis@gmail.com>" 22 new signatures gpg: no ultimately trusted keys found gpg: Total number processed: 1 gpg: new signatures: 22 

vagrant@vagrant:~$ rvm install 2.4.1 Searching for binary rubies, this might take some time. Found remote file https://rvm_io.global.ssl.fastly.net/binaries/ubuntu/16.04/x86_64/ruby-2.4.1.tar.bz2 Checking requirements for ubuntu. Requirements installation successful. ruby-2.4.1 - #configure ruby-2.4.1 - #download % Total % Received % Xferd Average Speed Time Time Time Current Dload Upload Total Spent Left Speed 100 16.4M 100 16.4M 0 0 1778k 0 0:00:09 0:00:09 --:--:-- 2335k ruby-2.4.1 - #validate archive ruby-2.4.1 - #extract ruby-2.4.1 - #validate binary ruby-2.4.1 - #setup ruby-2.4.1 - #gemset created /home/vagrant/.rvm/gems/ruby-2.4.1@global ruby-2.4.1 - #importing gemset /home/vagrant/.rvm/gemsets/global.gems................................... ruby-2.4.1 - #generating global wrappers........ ruby-2.4.1 - #gemset created /home/vagrant/.rvm/gems/ruby-2.4.1 ruby-2.4.1 - #importing gemsetfile /home/vagrant/.rvm/gemsets/default.gems evaluated to empty gem list ruby-2.4.1 - #generating default wrappers........ 

vagrant@vagrant:~$ rvm use 2.4.1 Using /home/vagrant/.rvm/gems/ruby-2.4.1 

vagrant@vagrant:~$ rvm | head -n 1 Ruby enVironment Manager 1.29.3 (latest) (c) 2009-2017 Michal Papis, Piotr Kuczynski, Wayne E. Seguin 

vagrant@vagrant:~$ rvm list known # MRI Rubies [ruby-]1.8.6[-p420] [ruby-]1.8.7[-head] # security released on head [ruby-]1.9.1[-p431] [ruby-]1.9.2[-p330] [ruby-]1.9.3[-p551] [ruby-]2.0.0[-p648] [ruby-]2.1[.10] [ruby-]2.2[.7] [ruby-]2.3[.4] [ruby-]2.4[.1] ruby-head # for forks use: rvm install ruby-head-<name> --url https://github.com/github/ruby.git --branch 2.2 # JRuby jruby-1.6[.8] jruby-1.7[.27] jruby[-9.1.13.0] jruby-head # Rubinius rbx-1[.4.3] rbx-2.3[.0] rbx-2.4[.1] rbx-2[.5.8] rbx-3[.84] rbx-head # Opal opal # Minimalistic ruby implementation - ISO 30170:2012 mruby-1.0.0 mruby-1.1.0 mruby-1.2.0 mruby-1[.3.0] mruby[-head] # Ruby Enterprise Edition ree-1.8.6 /home/vagrant/.rvm/config/known 

vagrant@vagrant:~$ ruby -v ruby 2.4.1p111 (2017-03-22 revision 58053) [x86_64-linux] 

 ~ /bin/zsh --login ➜ ~ ruby -v ruby 2.4.1p111 (2017-03-22 revision 58053) [x86_64-linux]