/path/to/net/http.rb:920:in `connect': SSL_connect returned=1 errno=0 state=SSLv3 read server certificate B: certificate verify failed (OpenSSL::SSL::SSLError)

% ruby -ropenssl -e 'puts OpenSSL::X509::DEFAULT_CERT_DIR'
/usr/local/etc/openssl/certs

% ruby -ropenssl -e 'puts OpenSSL::X509::DEFAULT_CERT_FILE'
/usr/local/etc/openssl/cert.pem

% wget http://curl.haxx.se/ca/cacert.pem

https = Net::HTTP.new('example.com', 443)
https.open_timeout = SYSTEM_TIMEOUT_SEC
https.read_timeout = SYSTEM_TIMEOUT_SEC
https.use_ssl = true
https.verify_mode = OpenSSL::SSL::VERIFY_PEER
https.verify_depth = 5
https.ca_file = "./cacert.pem" # <= 追加

OpenSSL::SSL::VERIFY_PEER = OpenSSL::SSL::VERIFY_NONE

% apm install vim-mode
Installing vim-mode to $HOME/.atom/packages ✓

txt @ v=spf1 include:_spf.google.com ~all

txt @ v=spf1 include:aspmx.googlemail.com ~all 

sudo crontab -e

# update-alternatives --config editor
% sudo update-alternatives --config editor
alternative editor (/usr/bin/editor を提供) には 3 個の選択肢があります。

  選択肢    パス              優先度  状態
------------------------------------------------------------
 * 0            /bin/nano            40        自動モード
  1            /bin/nano            40        手動モード
  2            /usr/bin/vim.basic   30        手動モード
  3            /usr/bin/vim.tiny    10        手動モード

現在の選択 [*] を保持するには Enter、さもなければ選択肢の番号のキーを押してください: 2
update-alternatives: /usr/bin/editor (editor) を提供するために 手動モード で /usr/bin/vim.basic を使います

# update-alternatives --config editor
There are 3 choices for the alternative editor (providing /usr/bin/editor).

  Selection    Path                Priority   Status
------------------------------------------------------------
 * 0            /bin/nano            40        auto mode
  1            /bin/nano            40        manual mode
  2            /usr/bin/vim.basic   30        manual mode
  3            /usr/bin/vim.tiny    10        manual mode

Press enter to keep the current choice[*], or type selection number: 2
update-alternatives: using /usr/bin/vim.basic to provide /usr/bin/editor (editor) in manual mode

UPDATE wp_users SET user_pass = MD5( 'new_password' ) WHERE user_login = 'your-username';