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skyper
2023-05-20 09:48:57 +01:00
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@@ -240,16 +240,16 @@ Hide the last command (example: `id`) in `~/.bashrc`:
```sh
echo -e "id #\\033[2K\\033[1A" >>~/.bashrc
### The ANSI escape sequence \\033[2K erases the line. The next sequence \\033[1A
### move the cursor 1 line up.
### The '#' after the command 'id' is needed so that bash still executes the 'id'
### but ignores the two ANSI escape sequences.
### moves the cursor 1 line up.
### The '#' after the command 'id' is a comment and is needed so that bash still
### executes the 'id' but ignores the two ANSI escape sequences.
```
Note: We use `echo -e` to convert `\\033` to the ANSI escape character (hex 0x1b).
Adding a `\r` (carriage return) goes a long way to hide your ssh key from `cat`:
```shell
echo "ssh-ed25519 AAAAOurPublicKeyHere....blah x@y"$'\r'"$(<authorized_keys)" >authorized_keys
### This adds our key as the first key and 'cat authorized_keys1' wont show
### This adds our key as the first key and 'cat authorized_keys' wont show
### it. The $'\r' is a bash special to create a \r (carriage return).
```