If we choose to connect to the instance with PuTTY, there lies a problem. Oracle Cloud configure system provides the Private Key with the format .key, However, the Putty needs .ppk file. They are not compatible. If we are planning to use a private key file generated during the instance creation process we need to convert the file to a .ppk file before we can use it with PuTTY to connect to the instance.
Coding, program, WordPress, theme, plugin, CMS, software, nginx, php
Since I registered my blog to Cyber Police Department in 2016, cybersecurity was drawing more and more attention than ever. Each year webmasters are required to do a self-check on the servers and websites they are maintenance, even though it is a personal blog like mine. As those enterprise’s websites, government’s websites, and commercial websites, they need to run a third-party cybersecurity level test.
One reason is the defaut setting of FTP server limited the files recursion number. Such as the most popular FTP server for Linux is PureFTPd, which set the recursion limitation is 2000 (1998files) and 8 folder depth.