How to change user using tramp?

I have server which connect using ssh, my ssh configuration denies root user and only allows connection via my admin user with ssh key. For each service i made a separate user which only he and admin can access service related files. Question is how to i access (read/write) files as other user? I know i can use eshell and switch users using my shell like this "su - user4" but how to i do this using C-x C-f? If my question is unclear please point it out in a comments. Thanks :)

I guess you are looking for https://www.gnu.org/software/emacs/manual/html_node/tramp/Multi_002dhops.html?

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Yea, that seems pretty close to what i want, tho i'm going to be honest i'm trying to understand how to use this `tramp-default-proxies-alist` list to change users in remote ssh session. I found this dired syntax works for me: `C-x C-f /ssh:ipaddress|sudo:user4@ipaddress:` user4 - being user that i want to switch to ipaddress - being, well. my servers public ip address in my case Tho i dont understand why i need to retype ipaddress a second time, thats pretty cumbersome.

Also another question, when i am connected to ssh session in eshell why i cant do this: `ps aux | grep 'pattern'` for example? I researched about eshell a bit and i know that eshell sometimes uses it's own lisp commands that replace built-in commands, to invoke built-in command you have to prefix it with \* from: [https://www.gnu.org/software/emacs/manual/html\_mono/eshell.html](https://www.gnu.org/software/emacs/manual/html_mono/eshell.html) section: 2.3 Built-in commands: >Several commands are built-in in Eshell. In order to call the external variant of a built-in command foo, you could call \*foo Typing this `which grep` outputs: `eshell/grep is a byte-compiled Lisp function in ‘em-unix.el’.` so i should use *grep to invoke built-in command But this `ps aux | *grep pattern` also does not work. What did i do wrong here?

Doesn't `/ssh:user4@ipaddress:` work? You can't get root that way, since ssh won't allow direct root logins, but for a normal user account, that's not a problem.

i should have specified that user4 is not admin user. in my configuration i can only access point - though admin user (not root user, just user with sudo privileges, cause i guess it's more secure this way) , so yea /ssh:adminuser@ipaddress should work. however if i do \`ssh user4@ipadress\` i get Permission denied. > For each service i made a separate user user4 is just one of those "service users" Sorry i'm really bad at explaining stuff ):

> Tho i dont understand why i need to retype ipaddress a second time, thats pretty cumbersome. If you're using a version of Emacs older than 27.1, failing to explicitly specify the remote hostname for each hop will cause bad behaviours that you don't want (`sudo:user4@localhost:` would get proxied to your `ipaddress` host -- a problem which is worse if, instead of `user4`, it's `root` and `sudo::`). That got fixed, so if you're using Emacs 27.1 or later then I think you can safely use this: /ssh:ipaddress|sudo:user4@:

Eshell doesn't support the shell pipe (|)

Wow it DID get fixed! nice :)

Oh that's unfortunate ): I did test `*ls | *grep pattern` and `ls | grep patter` and both worked so it seemed to me like pipes did work in eshell. I guess pipes are just not fully functional in eshell?