debug: add more tools to the dracut debug module

modules.d/95debug/module-setup.sh

@@ -13,8 +13,11 @@ depends() {
 
 # called by dracut
 install() {
-    inst_multiple -o ps grep more cat rm strace free showmount \
+    inst_multiple -o cat ls ps grep more cat rm strace free showmount \
                   ping netstat rpcinfo vi scp ping6 ssh find vi \
+                  tcpdump cp less hostname mkdir \
                   fsck fsck.ext2 fsck.ext4 fsck.ext3 fsck.ext4dev fsck.vfat e2fsck
+
+    egrep '^tcpdump:' /etc/passwd 2>/dev/null >> "$initdir/etc/passwd"
 }