...被控主机 ``` ssh-keygen ssh-copy-id -i ~/.ssh/id_rsa.pub root@受控主机ip ``` （2）安装`ghcr.io/ansible-community/commun

...r Set up SSH passwordless login on the control node and transfer the key to the managed node. ```shell ssh-k

...odify the sshd service configuration file to enable SSH remote connection. ```shell vi /etc/ssh/sshd_config #

...stall openssh-server -y # Modify /etc/ssh/sshd_config, uncomment and modify the following content Port 8253 #

...force the SSH user ron, successfully logged in and obtained a user shell. ## Privilege Escalation Using `ss`

...d Connect SSH** - Execute the following commands in the console one by one: just press Enter ```bash

...ng in via SSH with `enzo` and `RioTecRANDEntANT!`, and found that I successfully logged in, obtaining the flag

...hine. The ssh connection needs to be established as follows: 1. Direct connection: ```bash ssh -i ~/.ssh/you

...nnect via SSH anymore. This was no ordinary failure; I had to take strong measures to reclaim my 2C usable 0G