Whenever you login via an interactive shell as you did above, a well-known script is executed by the shell to establish your favorite environment settings. The default for TACC's Linux (and most other Linuxes) is bash ( bourne again shell), which we will use throughout. There are many flavors of Linux/Unix shells. Convenient links incase you need them or want to refresh your memory: Otherwise type "yes" to bypass the security check.Īs a reminder, the ssh command, and launching programs to give you the prompt to type them was provided as part of the pre-class assignment. If you ever see a security warning logging into somewhere that you use commonly you should answer no and try to figure out why you were warned. The same will be true the first time you log into any of the other TACC resource, or other remote computer. If you have previously logged into this remote computer from the local computer you are sitting at, you will not be issued a security warning prompt. You are blindly told to enter yes here, only because you are given a command above to copy which will take you to a remote computer system that I know to be safe, and as this is an introductory class, it is likely you have not logged into it before. These will typically be associated with longer/more detailed text above the text box explaining things.Īn example code block showing you the command you need to type into the prompt to list what directory you are currently in:.(like when a new command is being introduced) These are code blocks that you would have no idea what to type without help.If you are ever unsure of what to replace the text with, just ask. We try to put informative text within the brackets so you know what to replace it with. Yes, the marks themselves also need to be replaced. There is a notable exception that text between symbols represent something that you need to replace before sending it to the terminal. Text inside of code blocks represent at least 1 possible correct answer, and should either be typed EXACTLY into the terminal window as they are, or copy pasted. There will be 4 types of code blocks used throughout this class.
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