Nano rename file

Editing files at the command line can save you time as you don't need to download the files, edit them locally, and then upload them back to the server. Instead, you can just edit files directly on your server. First, log into your server using SSH. If you are editing an app's files, log in as the app's system user. If you are editing system files, you will need to log in as root.

Your terminal screen will now show the nano interface and the the contents of the file you're editing. At the bottom of the screen, you will see a list of commands shortcuts you can execute:. The biggest difference between nano and other editors is you can't use your mouse. Using the arrow keys, move the cursor to the text you wish to change, then begin typing or erasing as you would normally in any text editor. Substitute expressions replace a part of the filename with a different string.

They use the following syntax:. With this syntax, the command renames the file by replacing the first occurrence of the filename element with the replacement. In the command above:. A translate expression translates one string of characters into another, character for character. This type of expression uses the following syntax:. In this example, every a character in the filename is replaced by an x , every b by a y , and every c by a z.

Returning to our last example, to change the file extension from. Replacing a different part of the filename follows the same syntax. To rename example1. The rename option also allows you to delete a part of the filename by omitting the replacement part of the expression.

For instance, if we want to shorten example into ex :. Another use for the rename option is to rename files with similar names. For instance, if we want to rename files with example and sample in their name to test :. The rename command also allows you to use translate expressions to rename files on a character-by-character basis. The reverse also works if we switch the order of the uppercase and lowercase characters in the expression:.

Note: Be careful when changing the character case, as this also changes the file extension. After reading this tutorial, you should be able to rename files using the mv and rename commands in Linux. How to Rename Files in Linux October 13, For a production environment, it is highly discouraged. Now we need to build the docker image. Use the following command to build the docker image and substitute the image name as per your need -.

Now in the previous two steps Step 7 , Step 7. After starting the container now you can edit the file remotely. Here is the vim command for editing the file present inside your docker container -. Editing a file inside a running docker container is not recommended because it goes against the basic principles of containerization. A container should exhibit similar behavior no matter where you running it, so if a container works in your development environment then it should work on stage as well as the production environment.

Answer - You are working on a development environment where you want to test some changes by temporarily editing the files inside the docker container but still the scope is limited to your development environment.

How to edit file within Docker container or edit a file after I shell into a Docker container?