const buffer = 50;
const scrollTarget = document.getElementById('scroll_target');
const scrollTrigger = document.getElementById('scroll_trigger');

scrollTrigger.addEventListener('click', function (e) {
  e.preventDefault();
  const scrollTargetTop = scrollTarget.getBoundingClientRect().top;
  const offsetTop = window.pageYOffset;
  const top = scrollTargetTop + offsetTop - buffer;
  window.scrollTo({ top: top, behavior: 'smooth' });
});

const top = scrollTargetTop + offsetTop - buffer;

window.scrollTo(x-coord, y-coord)
window.scrollTo(options)

window.scrollTo(0, top);

<script src="https://polyfill.io/v3/polyfill.min.js?features=smoothscroll"></script>

def authenticate
  authenticate_or_request_with_http_token do |token, _options|
    @user = User.find_by_token token
    head status: 401 if @user.blank?
  end
end

$ curl -H 'Authorization: Bearer xxx_credentials' https://api_endpoint
HTTP Token: Access denied.

$ curl -H 'Authorization: Token xxx_credentials' https://api_endpoint

$ curl -D - -H 'Authorization: Token xxx_credentials' https://api_endpoint
HTTP/1.1 200 OK
X-Frame-Options: SAMEORIGIN
X-XSS-Protection: 1; mode=block
X-Content-Type-Options: nosniff
Content-Type: application/json; charset=utf-8
ETag: W/"d396de9e73b218ac6b8f0de7967e82bc"
Cache-Control: max-age=0, private, must-revalidate
X-Request-Id: 0f90b919-e9f6-42ee-a76a-96930fbfdff2
X-Runtime: 0.064172
Transfer-Encoding: chunked

def authenticate
  authenticate_or_request_with_http_basic do |_user, password|
    @user = User.find_by_token password
    head status: 401 if @user.blank?
  end
end

$ curl -H 'Authorization: Basic base64_encode_credentials' https://api_endpoint 
HTTP/1.1 200 OK

# Disable serving static files from the `/public` folder by default since
# Apache or NGINX already handles this.
config.public_file_server.enabled = ENV['RAILS_SERVE_STATIC_FILES'].present?

"environment": [
  { "name": "RAILS_SERVE_STATIC_FILES", "value": "true" }
],

$ anyenv update
$ anyenv update
Updating 'anyenv'...
 |  From https://github.com/riywo/anyenv
 |  e963a69..67d402f  master     -> origin/master
 |  * [new tag]         v1.1.2     -> v1.1.2
Updating 'anyenv/anyenv-update'...
Updating 'ndenv'...
Updating 'ndenv/ndenv-yarn-install'...
Updating 'ndenv/node-build'...
Updating 'rbenv'...
 |  From https://github.com/rbenv/rbenv
 |  c879cb0..0843745  master     -> origin/master
Updating 'rbenv/ruby-build'...
 |  From https://github.com/rbenv/ruby-build
 |  69ccbf4..0a5e059  master     -> origin/master
 |  * [new tag]         v20200819  -> v20200819
 |  * [new tag]         v20200722  -> v20200722
 |  * [new tag]         v20200727  -> v20200727
Updating 'anyenv manifest directory'...
 |  From https://github.com/anyenv/anyenv-install
 |  dcbcfe1..d9791df  master     -> origin/master

$ anyenv install nodenv
/var/folders/mf/_4_k88fj3nqcsgqdz7dzqhy00000gn/T/nodenv.20200828113307.39306 ~
Cloning https://github.com/nodenv/nodenv.git master to nodenv...
Cloning into 'nodenv'...
remote: Enumerating objects: 14, done.
remote: Counting objects: 100% (14/14), done.
remote: Compressing objects: 100% (13/13), done.
remote: Total 4017 (delta 2), reused 4 (delta 1), pack-reused 4003
Receiving objects: 100% (4017/4017), 731.96 KiB | 828.00 KiB/s, done.
Resolving deltas: 100% (2633/2633), done.
~
~/.anyenv/envs/nodenv/plugins ~
Cloning https://github.com/nodenv/node-build.git master to node-build...
Cloning into 'node-build'...
remote: Enumerating objects: 95, done.
remote: Counting objects: 100% (95/95), done.
remote: Compressing objects: 100% (61/61), done.
remote: Total 19746 (delta 39), reused 68 (delta 25), pack-reused 19651
Receiving objects: 100% (19746/19746), 3.51 MiB | 776.00 KiB/s, done.
Resolving deltas: 100% (12653/12653), done.
~
~/.anyenv/envs/nodenv/plugins ~
Cloning https://github.com/nodenv/nodenv-vars.git master to nodenv-vars...
Cloning into 'nodenv-vars'...
remote: Enumerating objects: 211, done.
remote: Total 211 (delta 0), reused 0 (delta 0), pack-reused 211
Receiving objects: 100% (211/211), 31.82 KiB | 201.00 KiB/s, done.
Resolving deltas: 100% (76/76), done.
~

Install nodenv succeeded!
Please reload your profile (exec $SHELL -l) or open a new session.

$ exec $SHELL -l

$ anyenv uninstall ndenv
anyenv: remove /Users/shibagaki/.anyenv/envs/ndenv?

$ nodenv install v12.18.3
node-build: definition not found: v12.18.3

See all available versions with `nodenv install --list'.

If the version you need is missing, try upgrading node-build:

  git -C /Users/shibagaki/.anyenv/envs/nodenv/plugins/node-build pull

$ nodenv install --list
...
12.18.1
12.18.2
12.18.3
13.0.0
13.x-dev
...

$ nodenv install 12.18.3
Downloading node-v12.18.3-darwin-x64.tar.gz...
-> https://nodejs.org/dist/v12.18.3/node-v12.18.3-darwin-x64.tar.gz
Installing node-v12.18.3-darwin-x64...
Installed node-v12.18.3-darwin-x64 to /Users/shibagaki/.anyenv/envs/nodenv/versions/12.18.3

$ nodenv local 12.18.3
$ which node
/Users/user/.anyenv/envs/nodenv/shims/node
$ node -v
v12.18.3
$ npm -v
6.14.6

---
title: hexoでtwitter cardの設定を変更する
date: 2020-08-07 12:30:00
updated: 2020-08-07 12:30:00
categories:
  - テクニカルブログ
tags:
  - hexo
--

$ grep -R updated themes
themes/landscape/layout/_partial/article.ejs:    <%- partial('post/updated', {class_name: 'article-date', date_format: null}) %>
themes/landscape/layout/_partial/post/updated.ejs:<% if (post.updated) { %>
themes/landscape/layout/_partial/post/updated.ejs:  Updated: <time datetime="<%= date_xml(post.updated) %>" itemprop="dateUpdated"><%= date(post.updated, date_format) %></time>

twitter_image: https://book-reviews.blog/images/github_actions_rails_template.png

25   <%- open_graph({twitter_id: theme.twitter, google_plus: theme.google_plus, fb_admins: theme.fb_admins, fb_app_id: theme.fb_app_id, twitter_card: 'summary_large_image', image: post.twitter_image}) %>

$ grep -R 'partial/article' themes/
themes/landscape/layout/page.ejs:<%- partial('_partial/article', {post: page, index: false}) %>
themes/landscape/layout/post.ejs:<%- partial('_partial/article', {post: page, index: false}) %>
themes/landscape/source/css/style.styl:@import "_partial/article"

<%- partial('_partial/head', {post: page}) %>

<% if (post.twitter_image){ %>
  <% twitter_image = post.twitter_image %>
<% } else { %>
  <% twitter_image = '/css/images/banner.jpg' %>
<% } %>
<%- open_graph({twitter_id: theme.twitter, google_plus: theme.google_plus, fb_admins: theme.fb_admins, fb_app_id: theme.fb_app_id, twitter_card: 'summary_large_image', image: twitter_image}) %>

$ grep -R twitter themes
themes/landscape/layout/_partial/head.ejs:  <%- open_graph({twitter_id: theme.twitter, google_plus: theme.google_plus, fb_admins: theme.fb_admins, fb_app_id: theme.fb_app_id}) %>
themes/landscape/source/css/_variables.styl:color-twitter = #00aced
themes/landscape/source/css/_partial/article.styl:.article-share-twitter
themes/landscape/source/css/_partial/article.styl:    background: color-twitter
themes/landscape/source/css/_partial/article.styl:    text-shadow: 0 1px darken(color-twitter, 20%)
Binary file themes/landscape/source/css/fonts/FontAwesome.otf matches
Binary file themes/landscape/source/css/fonts/fontawesome-webfont.ttf matches
themes/landscape/source/js/script.js:            '<a href="https://twitter.com/intent/tweet?url=' + encodedUrl + '" class="article-share-twitter" target="_blank" title="Twitter"></a>',
themes/landscape/README.md:twitter:
themes/landscape/README.md:- **twitter** - Twiiter ID
themes/landscape/_config.yml:twitter:

23   <title><% if (title){ %><%= title %> | <% } %><%= config.title %></title>
24   <meta name="viewport" content="width=device-width, initial-scale=1, maximum-scale=1">
25   <%- open_graph({twitter_id: theme.twitter, google_plus: theme.google_plus, fb_admins: theme.fb_admins, fb_app_id: theme.fb_app_id}) %>
26   <% if (theme.rss){ %>
27     <link rel="alternate" href="<%= url_for(theme.rss) %>" title="<%= config.title %>" type="application/atom+xml">
28   <% } %>

$ grep -R open_graph .
./themes/landscape/layout/_partial/head.ejs:  <%- open_graph({twitter_id: theme.twitter, google_plus: theme.google_plus, fb_admins: theme.fb_admins, fb_app_id: theme.fb_app_id, twitter_card: 'summary_large_image', image: '/css/images/banner.jpg', twitter_site: '@motoa'}) %>
./node_modules/hexo/lib/plugins/helper/index.js:  helper.register('open_graph', require('./open_graph'));

43   helper.register('list_tags', require('./list_tags'));
44   helper.register('list_posts', require('./list_posts'));
45
46   helper.register('open_graph', require('./open_graph'));
47
48   helper.register('number_format', require('./number_format'));

118   result += meta('twitter:card', twitterCard);
119   result += meta('twitter:title', title);
120   if (description) {
121     result += meta('twitter:description', description, false);
122   }
123
124   if (images.length) {
125     result += meta('twitter:image', images[0], false);
126   }
127
128   if (options.twitter_id) {
129     let twitterId = options.twitter_id;
130     if (twitterId[0] !== '@') twitterId = `@${twitterId}`;
131
132     result += meta('twitter:creator', twitterId);
133   }
134
135   if (options.twitter_site) {
136     result += meta('twitter:site', options.twitter_site, false);
137   }

42   const twitterCard = options.twitter_card || 'summary';

30 function openGraphHelper(options = {}) {

<%- open_graph({twitter_id: theme.twitter, google_plus: theme.google_plus, fb_admins: theme.fb_admins, fb_app_id: theme.fb_app_id, twitter_card: 'summary_large_image', image: '/css/images/banner.jpg'}) %>

Your cert will expire on 2020-08-04. To obtain a new or tweaked
version of this certificate in the future, simply run certbot again
with the "certonly" option.

$ sudo certbot certonly --nginx
Saving debug log to /var/log/letsencrypt/letsencrypt.log
Plugins selected: Authenticator nginx, Installer nginx

Which names would you like to activate HTTPS for?
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
1: book-reviews.blog
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
Select the appropriate numbers separated by commas and/or spaces, or leave input
blank to select all options shown (Enter 'c' to cancel):

1: book-reviews.blog
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
Select the appropriate numbers separated by commas and/or spaces, or leave input
blank to select all options shown (Enter 'c' to cancel): 1
Cert is due for renewal, auto-renewing...
Renewing an existing certificate
Performing the following challenges:
http-01 challenge for book-reviews.blog
Waiting for verification...
Challenge failed for domain book-reviews.blog
http-01 challenge for book-reviews.blog
Cleaning up challenges
Some challenges have failed.

IMPORTANT NOTES:
 - The following errors were reported by the server:

   Domain: book-reviews.blog
   Type:   dns
   Detail: During secondary validation: DNS problem: networking error
   looking up A for book-reviews.blog

Detail: During secondary validation: DNS problem: networking error looking up A for book-reviews.blog

$ sudo certbot certonly --nginx
Saving debug log to /var/log/letsencrypt/letsencrypt.log
Plugins selected: Authenticator nginx, Installer nginx

Which names would you like to activate HTTPS for?
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
1: book-reviews.blog
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
Select the appropriate numbers separated by commas and/or spaces, or leave input
blank to select all options shown (Enter 'c' to cancel): 1
Cert is due for renewal, auto-renewing...
Renewing an existing certificate
Performing the following challenges:
http-01 challenge for book-reviews.blog
Waiting for verification...
Cleaning up challenges

IMPORTANT NOTES:
 - Congratulations! Your certificate and chain have been saved at:
   /etc/letsencrypt/live/book-reviews.blog/fullchain.pem
   Your key file has been saved at:
   /etc/letsencrypt/live/book-reviews.blog/privkey.pem
   Your cert will expire on 2020-11-03. To obtain a new or tweaked
   version of this certificate in the future, simply run certbot
   again. To non-interactively renew *all* of your certificates, run
   "certbot renew"
 - If you like Certbot, please consider supporting our work by:

   Donating to ISRG / Let's Encrypt:   https://letsencrypt.org/donate
   Donating to EFF:                    https://eff.org/donate-le

$ sudo systemctl restart nginx

Resources - active content with certificate errors
You have recently allowed content loaded with certificate errors (such as scripts or iframes) to run on this site.

$ ps -ef | grep unicorn
user    1797     1  0 Jul29 ?        00:00:06 unicorn master -c /var/www/user-cms/current/config/unicorn/production.rb -E deployment -D
user    1840  1797  8 Jul29 ?        02:42:10 unicorn worker[0] -c /var/www/user-cms/current/config/unicorn/production.rb -E deployment -D
user    1847  1797  8 Jul29 ?        02:40:24 unicorn worker[1] -c /var/www/user-cms/current/config/unicorn/production.rb -E deployment -D
user    1857  1797  8 Jul29 ?        02:40:50 unicorn worker[2] -c /var/www/user-cms/current/config/unicorn/production.rb -E deployment -D
user    1872  1797  8 Jul29 ?        02:38:32 unicorn worker[3] -c /var/www/user-cms/current/config/unicorn/production.rb -E deployment -D
user    1894  1797  8 Jul29 ?        02:39:10 unicorn worker[4] -c /var/www/user-cms/current/config/unicorn/production.rb -E deployment -D
user    1909  1797  7 Jul29 ?        02:37:28 unicorn worker[5] -c /var/www/user-cms/current/config/unicorn/production.rb -E deployment -D
21235    42323 42237  0 00:47 pts/3    00:00:00 grep unicorn

$ sudo su -
# ls -l /proc/1797/
合計 0
dr-xr-xr-x 2 user user 0  7月 31 00:47 2020 attr
-rw-r--r-- 1 user user 0  7月 31 00:47 2020 autogroup
-r-------- 1 user user 0  7月 31 00:47 2020 auxv
-r--r--r-- 1 user user 0  7月 31 00:47 2020 cgroup
--w------- 1 user user 0  7月 31 00:47 2020 clear_refs
-r--r--r-- 1 user user 0  7月 31 00:46 2020 cmdline
-rw-r--r-- 1 user user 0  7月 31 00:47 2020 comm
-rw-r--r-- 1 user user 0  7月 31 00:47 2020 coredump_filter
-r--r--r-- 1 user user 0  7月 31 00:47 2020 cpuset
lrwxrwxrwx 1 user user 0  7月 31 00:47 2020 cwd -> /var/www/user-cms/releases/20200729065345
-r-------- 1 user user 0  7月 31 00:47 2020 environ
lrwxrwxrwx 1 user user 0  7月 31 00:47 2020 exe -> /usr/local/rbenv/versions/2.4.10/bin/ruby
dr-x------ 2 user user 0  7月 31 00:47 2020 fd
dr-x------ 2 user user 0  7月 31 00:47 2020 fdinfo
-r-------- 1 user user 0  7月 31 00:47 2020 io
-rw------- 1 user user 0  7月 31 00:47 2020 limits
-rw-r--r-- 1 user user 0  7月 31 00:47 2020 loginuid
-r--r--r-- 1 user user 0  7月 31 00:47 2020 maps
-rw------- 1 user user 0  7月 31 00:47 2020 mem
-r--r--r-- 1 user user 0  7月 31 00:47 2020 mountinfo
-r--r--r-- 1 user user 0  7月 31 00:47 2020 mounts
-r-------- 1 user user 0  7月 31 00:47 2020 mountstats
dr-xr-xr-x 6 user user 0  7月 31 00:47 2020 net
dr-x--x--x 2 user user 0  7月 31 00:47 2020 ns
-r--r--r-- 1 user user 0  7月 31 00:47 2020 numa_maps
-rw-r--r-- 1 user user 0  7月 31 00:47 2020 oom_adj
-r--r--r-- 1 user user 0  7月 31 00:47 2020 oom_score
-rw-r--r-- 1 user user 0  7月 31 00:47 2020 oom_score_adj
-r--r--r-- 1 user user 0  7月 31 00:47 2020 pagemap
-r--r--r-- 1 user user 0  7月 31 00:47 2020 personality
lrwxrwxrwx 1 user user 0  7月 31 00:47 2020 root -> /
-rw-r--r-- 1 user user 0  7月 31 00:47 2020 sched
-r--r--r-- 1 user user 0  7月 31 00:47 2020 schedstat
-r--r--r-- 1 user user 0  7月 31 00:47 2020 sessionid
-r--r--r-- 1 user user 0  7月 31 00:47 2020 smaps
-r--r--r-- 1 user user 0  7月 31 00:47 2020 stack
-r--r--r-- 1 user user 0  7月 31 00:46 2020 stat
-r--r--r-- 1 user user 0  7月 31 00:47 2020 statm
-r--r--r-- 1 user user 0  7月 30 22:38 2020 status
-r--r--r-- 1 user user 0  7月 31 00:47 2020 syscall
dr-xr-xr-x 5 user user 0  7月 31 00:47 2020 task
-r--r--r-- 1 user user 0  7月 31 00:47 2020 wchan

$ bundle exec cap production deploy:stop
$ bundle exec cap production deploy:start
（productionは環境名）

$ docker logs コンテナID
/docker-entrypoint.sh: /docker-entrypoint.d/ is not empty, will attempt to perform configuration
/docker-entrypoint.sh: Looking for shell scripts in /docker-entrypoint.d/
/docker-entrypoint.sh: Launching /docker-entrypoint.d/10-listen-on-ipv6-by-default.sh
10-listen-on-ipv6-by-default.sh: error: /etc/nginx/conf.d/default.conf is not a file or does not exist
/docker-entrypoint.sh: Launching /docker-entrypoint.d/20-envsubst-on-templates.sh
/docker-entrypoint.sh: Configuration complete; ready for start up
2020/07/22 07:55:16 [emerg] 1#1: host not found in upstream "rails:3000" in /etc/nginx/conf.d/rails.conf:2
nginx: [emerg] host not found in upstream "rails:3000" in /etc/nginx/conf.d/rails.conf:2