![Useful command of the day: Install your public SSH key on a remote server with a single command: cat ~/.ssh/id_rsa.pub | ssh user@hostname 'cat >> .ssh/authorized_keys' : r/sysadmin Useful command of the day: Install your public SSH key on a remote server with a single command: cat ~/.ssh/id_rsa.pub | ssh user@hostname 'cat >> .ssh/authorized_keys' : r/sysadmin](https://external-preview.redd.it/QLByLEYdQxeHEZHUJDwHTsRKBFf4nDASIAb2LA4frZ8.jpg?auto=webp&s=69a51e8f5cf784362d299149b32a8d34aed2a773)
Useful command of the day: Install your public SSH key on a remote server with a single command: cat ~/.ssh/id_rsa.pub | ssh user@hostname 'cat >> .ssh/authorized_keys' : r/sysadmin
![Restrict user to Run one remote Server command only via SSH authorized key passwordless authentication on Linux / UNIX / BSD - ☩ Walking in Light with Christ - Faith, Computing, Diary Restrict user to Run one remote Server command only via SSH authorized key passwordless authentication on Linux / UNIX / BSD - ☩ Walking in Light with Christ - Faith, Computing, Diary](https://www.pc-freak.net/images/authorized_keys_file_content.png)
Restrict user to Run one remote Server command only via SSH authorized key passwordless authentication on Linux / UNIX / BSD - ☩ Walking in Light with Christ - Faith, Computing, Diary
![HPC Grid Tutorial: How to Generate and Use SSH Keys with PuTTY - Articles - C&IT Knowledge Base - Wayne State University HPC Grid Tutorial: How to Generate and Use SSH Keys with PuTTY - Articles - C&IT Knowledge Base - Wayne State University](https://csm.wayne.edu/KBimg/500196_6.png)