安裝Gem jekyll

gem install jekyll
不能出現
ERROR: While executing gem … (Gem::FilePermissionError) You don’t have write permissions

千萬不能輸入sudo
sudo gem install jekyll
錯誤畫面
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若出現以上畫面，代表ruby是舊的
可以輸入which ruby跟ruby -v來檢查
舊的ruby如下
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請參考如何更改舊ruby路徑的文章

確認ruby的版本都正確
確認版本的指令如下(參考下圖)
ruby -v
which ruby
然後執行gem install jekyll
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回到user目錄
輸入
jekyll new myblog
cd myblog
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若按照官網的作法輸入
jekyll serve
會產生以下的錯誤

/Users/cici/.rbenv/versions/3.2.2/lib/ruby/3.2.0/bundler/resolver.rb:290:in `raise_not_found!': Could not find gem 'minima (~> 2.5)' in locally installed gems. (Bundler::GemNotFound)

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參考此篇 https://stackoverflow.com/questions/39384024/jekyll-cannot-find-gem-after-bundle-install 進入myblog
輸入bundle install
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再輸入bundle exec jekyll serve img
再瀏覽器輸入
http://localhost:4000/
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