From 617d73fc9eff5b08a80b873fd97f66caa7e80fc9 Mon Sep 17 00:00:00 2001
From: johannst <johannes.stoelp@gmail.com>
Date: Thu, 15 Jul 2021 21:16:42 +0200
Subject: added dockerfile for kernel dev

---
 content/20191027-kernel-debugging-qemu/build_initrd.sh | 12 ++++++++----
 1 file changed, 8 insertions(+), 4 deletions(-)
 mode change 100644 => 100755 content/20191027-kernel-debugging-qemu/build_initrd.sh

(limited to 'content/20191027-kernel-debugging-qemu/build_initrd.sh')

diff --git a/content/20191027-kernel-debugging-qemu/build_initrd.sh b/content/20191027-kernel-debugging-qemu/build_initrd.sh
old mode 100644
new mode 100755
index 74f9896..fd82990
--- a/content/20191027-kernel-debugging-qemu/build_initrd.sh
+++ b/content/20191027-kernel-debugging-qemu/build_initrd.sh
@@ -1,8 +1,12 @@
 #!/bin/bash
 
+if test $(id -u) -ne 0; then
+    SUDO=sudo
+fi
+
 set -e
 
-BUSYBOX=busybox-1.31.0
+BUSYBOX=busybox-1.33.1
 INITRD=$PWD/initramfs.cpio.gz
 
 ## Build busybox
@@ -40,9 +44,9 @@ EOF
 chmod +x init
 
 # 3. create device nodes
-sudo mknod dev/tty c 5 0
-sudo mknod dev/tty0 c 4 0
-sudo mknod dev/ttyS0 c 4 64
+$SUDO mknod dev/tty c 5 0
+$SUDO mknod dev/tty0 c 4 0
+$SUDO mknod dev/ttyS0 c 4 64
 
 # 4. created compressed initrd
 find . -print0                      \
-- 
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