Update PiP procedure

CI_CD_PIPELINE_SETUP_GUIDE.md

@@ -419,9 +419,9 @@ sudo sshd -t
 
 **Step 7: Restart SSH Service**
 
-For Ubuntu 22.10+ (socket-based activation):
+For Ubuntu 24.04 LTS (socket-based activation):
 ```bash
-sudo systemctl enable --now ssh.service
+sudo systemctl restart ssh
 ```
 
 For other distributions:
@@ -623,10 +623,6 @@ podman --version
 # Configure Podman for rootless operation (optional but recommended)
 echo 'kernel.unprivileged_userns_clone=1' | sudo tee -a /etc/sysctl.conf
 sudo sysctl -p
-
-# Configure subuid/subgid for CI_SERVICE_USER
-sudo usermod --add-subuids 100000-165535 CI_SERVICE_USER
-sudo usermod --add-subgids 100000-165535 CI_SERVICE_USER
 ```
 
 **What this does**: Installs Podman and configures it for rootless operation, which is needed for the CI pipeline and Forgejo Container Registry operations.
@@ -644,7 +640,19 @@ sudo useradd -r -g CI_SERVICE_USER -s /bin/bash -m -d /home/CI_SERVICE_USER CI_S
 echo "CI_SERVICE_USER:$(openssl rand -base64 32)" | sudo chpasswd
 ```
 
-#### 2.2 Verify Users
+#### 2.2 Configure Rootless Podman for CI_SERVICE_USER
+
+```bash
+# Configure subuid/subgid for CI_SERVICE_USER (required for rootless Podman)
+sudo usermod --add-subuids 100000-165535 CI_SERVICE_USER
+sudo usermod --add-subgids 100000-165535 CI_SERVICE_USER
+
+# Verify the configuration
+grep CI_SERVICE_USER /etc/subuid
+grep CI_SERVICE_USER /etc/subgid
+```
+
+#### 2.3 Verify Users
 
 ```bash
 sudo su - CI_SERVICE_USER
@@ -994,15 +1002,23 @@ sudo su - CI_SERVICE_USER
 # Navigate to the application directory
 cd /opt/APP_NAME
 
+# First clean up any existing socket and containers
+podman rm -f ci-pip 2>/dev/null || true
+rm -f /tmp/podman-host.sock
+
+# Create and test the host Podman socket (different path to avoid conflicts)
+podman system service --time=0 unix:///tmp/podman-host.sock &
+sleep 2
+
+# Verify host socket was created
+ls -la /tmp/podman-host.sock
+
 # Create secure PiP container with NO network exposure
 podman run -d \
   --name ci-pip \
   --security-opt=no-new-privileges \
   --cap-drop=ALL \
-  --cap-add=SETGID \
+  -v /tmp/podman-host.sock:/var/run/podman.sock \
-  --cap-add=SETUID \
-  --cap-add=CHOWN \
-  -v /var/run/podman.sock:/var/run/podman.sock \
   quay.io/podman/stable:latest \
   podman system service --time=0 unix:///var/run/podman.sock
 
@@ -1021,6 +1037,9 @@ podman inspect ci-pip | grep -A 10 "Ports"
 
 # Test image pulling capability (uses host's network stack securely)
 podman exec ci-pip podman pull alpine:latest
+
+# Clean up the background host socket service (PiP container is now handling requests)
+pkill -f "podman system service.*podman-host.sock" 2>/dev/null || true
 ```
 
 **How This Works Securely**:
@@ -1416,9 +1435,9 @@ sudo sshd -t
 
 **Step 7: Restart SSH Service**
 
-For Ubuntu 22.10+ (socket-based activation):
+For Ubuntu 24.04 LTS (socket-based activation):
 ```bash
-sudo systemctl enable --now ssh.service
+sudo systemctl restart ssh
 ```
 
 For other distributions: