Closed arohr closed 4 years ago
# cat /etc/os-release NAME="CentOS Linux" VERSION="7 (Core)" ID="centos" ID_LIKE="rhel fedora" VERSION_ID="7" PRETTY_NAME="CentOS Linux 7 (Core)" ANSI_COLOR="0;31" CPE_NAME="cpe:/o:centos:centos:7" HOME_URL="https://www.centos.org/" BUG_REPORT_URL="https://bugs.centos.org/" CENTOS_MANTISBT_PROJECT="CentOS-7" CENTOS_MANTISBT_PROJECT_VERSION="7" REDHAT_SUPPORT_PRODUCT="centos" REDHAT_SUPPORT_PRODUCT_VERSION="7"
# cat /etc/centos-release CentOS Linux release 7.6.1810 (Core)
# irb irb(main):001:0> require 'os' => true irb(main):002:0> OS.parse_os_release Traceback (most recent call last): 7: from /usr/local/bin/irb:23:in `<main>' 6: from /usr/local/bin/irb:23:in `load' 5: from /usr/local/lib/ruby/gems/2.7.0/gems/irb-1.2.1/exe/irb:11:in `<top (required)>' 4: from (irb):2 3: from /usr/local/lib/ruby/gems/2.7.0/gems/os-1.1.0/lib/os.rb:289:in `parse_os_release' 2: from /usr/local/lib/ruby/gems/2.7.0/gems/os-1.1.0/lib/os.rb:289:in `each_line' 1: from /usr/local/lib/ruby/gems/2.7.0/gems/os-1.1.0/lib/os.rb:291:in `block in parse_os_release' NoMethodError (undefined method `to_sym' for nil:NilClass)