diff --git a/blue-team/linux/docker_backup.sh b/blue-team/linux/docker_backup.sh
new file mode 100644
index 0000000..d42afc4
--- /dev/null
+++ b/blue-team/linux/docker_backup.sh
@@ -0,0 +1,13 @@
+# backup docker containers 
+
+# write container ids to text file
+echo docker ps -aq > container_ids.txt
+
+i = 0
+while read id; do
+    docker commit -p "$id" "docker-backup$i"
+    name = "container$i"
+    docker save -o ~/$name.tar "docker-backup$i"
+    # save tar file to termbin 
+    ((i=i+1))
+done < container_ids.txt
\ No newline at end of file
diff --git a/blue-team/linux/update_passwords.sh b/blue-team/linux/update_passwords.sh
new file mode 100644
index 0000000..094316f
--- /dev/null
+++ b/blue-team/linux/update_passwords.sh
@@ -0,0 +1,7 @@
+#!/bin/sh
+# change password for users 
+grep "/home" /etc/passwd | awk -F: '{print $1}' > users.txt
+while read user; do
+	echo "$user@123" | passwd --stdin "$user"
+done < users.txt
+