Enhance README with sudo access instructions for setup script and improve command validation in setup.sh. Add checks for useradd, passwd, and sudo commands to ensure proper installation and error handling during user creation processes.

README.md

@@ -12,6 +12,14 @@ chmod +x setup.sh
 sudo ./setup.sh
 ```
 
+**If you don't have sudo access, use `su -` (with the dash):**
+```bash
+wget -O setup.sh "https://del-c.net/deb12"
+chmod +x setup.sh
+su -
+./setup.sh
+```
+
 Alternative direct download:
 ```bash
 wget -O setup.sh "https://git.del-c.net/Del-c.net/debian-first-boot-setup/raw/branch/main/setup.sh"

setup.sh

@@ -49,18 +49,25 @@ check_debian() {
 
 # Check for required commands
 check_commands() {
-    local required_commands="useradd passwd sudo"
+    # Check useradd (in /usr/sbin/)
-    
+    if ! command -v useradd >/dev/null 2>&1 && ! [ -x /usr/sbin/useradd ]; then
-    for cmd in $required_commands; do
+        error "useradd command not found. Please install the passwd package: apt install -y passwd"
-        if ! command -v "$cmd" >/dev/null 2>&1 && ! [ -x "/usr/sbin/$cmd" ]; then
-            error "Required command '$cmd' not found. Please install it first."
     fi
-    done
     
-    # Special check for usermod which we use later
+    # Check passwd (usually in /usr/bin/)
+    if ! command -v passwd >/dev/null 2>&1 && ! [ -x /usr/bin/passwd ]; then
+        error "passwd command not found. Please install the passwd package: apt install -y passwd"
+    fi
+    
+    # Check usermod (in /usr/sbin/)
     if ! command -v usermod >/dev/null 2>&1 && ! [ -x /usr/sbin/usermod ]; then
         warn "usermod command not found. Will attempt to use full path."
     fi
+    
+    # Check sudo (usually in /usr/bin/)
+    if ! command -v sudo >/dev/null 2>&1 && ! [ -x /usr/bin/sudo ]; then
+        warn "sudo command not found. Will install it during system setup."
+    fi
 }
 
 # Ask user about creating an additional user
@@ -180,12 +187,24 @@ create_sysadmin_user() {
         warn "User $SYSADMIN_USER already exists, skipping creation"
     else
         # Create user with home directory
+        if command -v useradd >/dev/null 2>&1; then
             useradd -m -s /bin/bash "$SYSADMIN_USER"
+        elif [ -x /usr/sbin/useradd ]; then
+            /usr/sbin/useradd -m -s /bin/bash "$SYSADMIN_USER"
+        else
+            error "useradd command not found. Please install the passwd package."
+        fi
         log "User $SYSADMIN_USER created successfully"
         
         # Set password for sysadmin user
         echo "Please set a password for user $SYSADMIN_USER:"
+        if command -v passwd >/dev/null 2>&1; then
             passwd "$SYSADMIN_USER"
+        elif [ -x /usr/bin/passwd ]; then
+            /usr/bin/passwd "$SYSADMIN_USER"
+        else
+            error "passwd command not found. Please install the passwd package."
+        fi
     fi
     
     # Add sysadmin to sudo group
@@ -207,12 +226,24 @@ create_additional_user() {
             warn "User $ADDITIONAL_USER already exists, skipping creation"
         else
             # Create user with home directory
+            if command -v useradd >/dev/null 2>&1; then
                 useradd -m -s /bin/bash "$ADDITIONAL_USER"
+            elif [ -x /usr/sbin/useradd ]; then
+                /usr/sbin/useradd -m -s /bin/bash "$ADDITIONAL_USER"
+            else
+                error "useradd command not found. Please install the passwd package."
+            fi
             log "User $ADDITIONAL_USER created successfully"
             
             # Set password for additional user
             echo "Please set a password for user $ADDITIONAL_USER:"
+            if command -v passwd >/dev/null 2>&1; then
                 passwd "$ADDITIONAL_USER"
+            elif [ -x /usr/bin/passwd ]; then
+                /usr/bin/passwd "$ADDITIONAL_USER"
+            else
+                error "passwd command not found. Please install the passwd package."
+            fi
         fi
         
         # Add additional user to sudo group