微軟開發的 Visual Studio Code (簡稱 VS Code) 是一套非常熱門的「編輯器」! VS Code 跨平台，且開放原始碼。它雖然僅是一個輕量版的編輯器，卻可經由安裝延伸模組來支援程式碼語法突顯、偵錯、自動補全、重構、Markdown...等琳瑯滿目功能，打造你夢想中的 IDE (整合開發環境)。
VS Code 預設僅支援 JavaScript、TypeScript、CSS、HTML，同樣能透過下載延伸模組來支援 Python、C/C++、Java、Perl、Go... 等其他程式語言。
據說 Perl 可能是近幾年會消失的 5 種程式語言之一 (另外 4 個語言分別是 Ruby、Haskell、Object-C 跟 R)! 現在在 Visual Studio Code (簡稱 VS Code) 建立 Perl 的程式開發環境也算是幫 Perl 續一下命，大慈大悲、功德無量。
要建立好整個 Perl 的開發環境主要分為三個步驟:
Transport Layer Security (TLS), the successor to Secure Socket Layer (SSL), is a network protocol that encrypt communications between TLS servers (e.g., websites) and TLS clients (e.g., web browsers). Every communication is secured by a cipher suite: a combination of several algorithms working in concert. Cryptographic algorithms do not have a defined lifetime, but academics, researchers, and nation states are constantly evaluating them for weaknesses. Consensus on which algorithms are untrustworthy evolves over time, and if a communication is protected with a weak cipher suite then that communication can be altered or decrypted.
The SSH server is configured to support either Arcfour or Cipher Block Chaining (CBC) mode cipher algorithms. SSH can be configured to use Counter (CTR) mode encryption instead of CBC. The use of Arcfour algorithms should be disabled.
The SSH server is configured to support MD5 algorithm. The cryptographic strength depends upon the size of the key and algorithm that is used. A Modern MAC algorithms such as SHA1 or SHA2 should be used instead.
Transport Layer Security (TLS), the successor to Secure Socket Layer (SSL), is a network protocol that encrypt communications between TLS servers (e.g., websites) and TLS clients (e.g., web browsers). Every communication is secured by a cipher suite: a combination of several algorithms working in concert. Networking protocols do not have a defined lifetime, but academics, researchers, and nation states are constantly evaluating them for weaknesses. Consensus on which protocols are untrustworthy evolves over time, and if communications are sent with a weak protocol then that communication can be altered or decrypted.
The site responds to HTTP requests without ultimately redirecting the browser to a secure version of the page. Since the site allows plaintext traffic, a man-in-the-middle attacker is able to read and modify any information passed between the site and the user. There are a variety of situations in which an attacker can intercept plaintext traffic in a man-in-the-middle position, including but not limited to:
It's important to remember that in many of the above situations, an attacker can not only read traffic, but also actively modify the traffic. Even if a site that does not contain sensitive information, an attacker can still inject malicious content to a user’s browser.
我的車機是 Pioneer AVH-Z9250BT，手機是小米 12，我通常是使用無線的方式連接車機的 Android Auto。
不過在車機上的 Android Auto 使用 Google Maps 導航時，偶爾會出現行車位置漂移、GPS 訊號中斷、正在搜尋 GPS 訊號，或無法顯示地圖...之類的問題! 但是同一時間，如果我開啟手機上的導航王來查看，導航王的定位卻又無比正確!
原本以為是我的車機太爛，或有相容性的問題，上網尋找答案，又發現很多網友有同樣的問題，其中也不乏一些百萬名車內建的車機! 幸好有找到解決方法!
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若執行 yum 出現:
http://mirror.centos.org/centos/6/os/x86_64/repodata/repomd.xml: [Errno 14] PYCURL ERROR 22 - "The requested URL returned error: 404 Not Found"
Trying other mirror.
To address this issue please refer to the below knowledge base article
表示系統預設的 yum 套件庫可能已經不存在!
我們可以在 vault.centos.org 找到可用的套件庫來源:
1. xrdp 是放在 EPEL 套件庫，所以我們要先安裝 EPEL。依據不同版本的 CentOS 請參考: CentOS 如何加入第三方 Yum 套件庫: EPEL。
2. 安裝 xrdp 及 tigervnc server:
yum install xrdp tigervnc-server
3. 啟動 xrdp
service xrdp start
4. 加到開機自動執行
chkconfig xrdp on
PS. 只要啟動 xrdp 即可，tigervnc server 裝好後就不用理它了。
設定與登入的方式與之前的教學一樣，請自行參考。
我們解決了什麼問題？我們創造了什麼價值？
近期迴響