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- OSI model
- How the web works: HTTP and CGI explained
- IPtables frequently used rules
- Unix Signals
- PostgreSQL useful commands
- The System Design Primer
- Pyhton3 memo
- Connect to the server behind bastino with key forward ssh -o ProxyCommand=’ssh -W %h:%p user@xxx.xxx.xxx.xxx -i ~/.ssh/key.pem’ -i ~/.ssh/tools-mgt.pem user@yyy.yyy.yyy.yyy xxx.xxx.xxx.xxx – bastion server IP, yyy.yyy.yyy.yyy – server IP
- OSI model