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Network timed out while trying to connect to https://index.docker.io/v1/repositories/library/hello-world/images. You may want to check your internet connection or if you are behind a proxy..
解決辦法:
進到 Settings > Network 裡,將 DNS server 設成 8.8.8.8 即可
Gem::RemoteFetcher::FetchError: SSL_connect returned=1 errno=0 state=SSLv3 read
server certificate B: certificate verify failed
(https://rubygems.org/gems/rake-10.5.0.gem)
An error occurred while installing rake (10.5.0), and Bundler
cannot continue.
Make sure that `gem install rake -v '10.5.0'` succeeds before bundling.
Errno::EINVAL: Invalid argument -
C:/tools/ruby193/lib/ruby/gems/1.9.1/gems/jekyll-sitemap-0.11.0/spec/fixtures/_posts/2016-04-01-i¶↓h
An error occurred while installing jekyll-sitemap (0.11.0), and
Bundler cannot continue.
Make sure that `gem install jekyll-sitemap -v '0.11.0'` succeeds before
bundling.
Goto your devKit location and run the following command in terminal
ruby dk.rb initruby dk.rb install
若出現:
ERROR: Could not find a valid gem 'bundler' (>= 0), here is why:
Unable to download data from https://rubygems.org/ - SSL_connect returned=1 errno=0 state=SSLv3 read server certificate B: certificate verify failed (https://api.rubygems.org/specs.4.8.gz)
rake generate # Generates posts and pages into the public directory
rake watch # Watches source/ and sass/ for changes and regenerates
rake preview # Watches, and mounts a webserver at http://localhost:4000
## Pushing generated _deploy website
To https://github.com/allencatlee/allencatlee.github.io
! [rejected] master -> master (non-fast-forward)
error: failed to push some refs to 'https://github.com/allencatlee/allencatlee.github.io'
hint: Updates were rejected because the tip of your current branch is behind
hint: its remote counterpart. Integrate the remote changes (e.g.
hint: 'git pull ...') before pushing again.
hint: See the 'Note about fast-forwards' in 'git push --help' for details.
## Github Pages deploy complete
cd -
_config.yml # Main config (Jekyll's settings)
Rakefile # Configs for deployment
config.rb # Compass config
config.ru # Rack config
_config.yml
Main Configs
url: # For rewriting urls for RSS, etc
title: # Used in the header and title tags
subtitle: # A description used in the header
author: # Your name, for RSS, Copyright, Metadata
simple_search: # Search engine for simple site search
description: # A default meta description for your site
date_format: # Format dates using Ruby's date strftime syntax
subscribe_rss: # Url for your blog's feed, defauts to /atom.xml
subscribe_email: # Url to subscribe by email (service required)
category_feeds: # Enable per category RSS feeds (defaults to false in 2.1)
email: # Email address for the RSS feed if you want it.
Jekyll & Plugins
root: # Mapping for relative urls (default: /)
permalink: # Permalink structure for blog posts
source: # Directory for site source files
destination: # Directory for generated site files
plugins: # Directory for Jekyll plugins
code_dir: # Directory for code snippets (for include_code plugin)
category_dir: # Directory for generated blog category pages
pygments: # Toggle python pygments syntax highlighting
paginate: # Posts per page on the blog index
pagination_dir: # Directory base for pagination URLs eg. /blog/page/2/
recent_posts: # Number of recent posts to appear in the sidebar
default_asides: # Configure what shows up in the sidebar and in what order
blog_index_asides: # Optional sidebar config for blog index page
post_asides: # Optional sidebar config for post layout
page_asides: # Optional sidebar config for page layout
3rd Party Settings
Github - List your github repositories in the sidebar
Twitter - Add a button for sharing of posts and pages on Twitter
Google Plus One - Setup sharing for posts and pages on Google's plus one network.
Pinboard - Share your recent Pinboard bookmarks in the sidebar.
Delicious - Share your recent Delicious bookmarks in the sidebar.
Disqus Comments - Add your disqus short name to enable disqus comments on your site.
Google Analytics - Add your tracking id to enable Google Analytics tracking for your site.
Facebook - Add a Facebook like button
CMake is used to control the software compilation process using simple platform and compiler independent configuration files, and generate native makefiles and workspaces that can be used in the compiler environment of your choice.
cd /sys/dev/char/ # 到character裝置資料夾下
ls # 列出所有裝置之major/minor
ls -lt # -l: 列出所有檔案詳細資訊, -t:按修改時間排序
ls -l /dev/myLED*# 列出名稱包含/dev/myLED 的裝置
ls -l 200:0 # 列出major:minor為200:0 的裝置