From 12689639e0b98e5c9c0cd8b77ed368ab7ea50f6e Mon Sep 17 00:00:00 2001
From: Matt Burchett <matt@mattburchett.com>
Date: Fri, 27 Nov 2015 03:17:13 -0600
Subject: [PATCH] inital commit with scripts

---
 README.md    |  4 ++++
 tempclean.sh | 24 ++++++++++++++++++++++++
 tempthin.sh  | 39 +++++++++++++++++++++++++++++++++++++++
 3 files changed, 67 insertions(+)
 create mode 100644 tempclean.sh
 create mode 100644 tempthin.sh

diff --git a/README.md b/README.md
index 12d05cc..8bd935f 100644
--- a/README.md
+++ b/README.md
@@ -1,2 +1,6 @@
 # template-prep
 
+Taken scripts from https://lonesysadmin.net/2013/03/26/preparing-linux-template-vms/
+
+
+
diff --git a/tempclean.sh b/tempclean.sh
new file mode 100644
index 0000000..0ff721b
--- /dev/null
+++ b/tempclean.sh
@@ -0,0 +1,24 @@
+#!/usr/bin/env bash
+
+/sbin/service rsyslog stop
+/sbin/service auditd stop
+/bin/package-cleanup --oldkernels --count=1 -y
+/usr/bin/yum clean all
+/usr/sbin/logrotate –f /etc/logrotate.conf
+/bin/rm –f /var/log/*-???????? /var/log/*.gz
+/bin/rm -f /var/log/dmesg.old
+/bin/rm -rf /var/log/anaconda
+/bin/cat /dev/null > /var/log/audit/audit.log
+/bin/cat /dev/null > /var/log/wtmp
+/bin/cat /dev/null > /var/log/lastlog
+/bin/cat /dev/null > /var/log/grubby
+/bin/rm -f /etc/udev/rules.d/70*
+/bin/sed -i '/^(HWADDR|UUID)=/d' 
+/etc/sysconfig/network-scripts/ifcfg-eth0
+/bin/rm –rf /tmp/*
+/bin/rm –rf /var/tmp/*
+/bin/rm –f /etc/ssh/*key*
+/bin/rm -f ~root/.bash_history
+unset HISTFILE
+/bin/rm -rf ~root/.ssh/
+/bin/rm -f ~root/anaconda-ks.cfg
diff --git a/tempthin.sh b/tempthin.sh
new file mode 100644
index 0000000..3c68e35
--- /dev/null
+++ b/tempthin.sh
@@ -0,0 +1,39 @@
+#!/bin/sh
+
+# Determine the version of RHEL
+COND=`grep -i Taroon /etc/redhat-release`
+if [ "$COND" = "" ]; then
+        export PREFIX="/usr/sbin"
+else
+        export PREFIX="/sbin"
+fi
+
+FileSystem=`grep ext /etc/mtab| awk -F" " '{ print $2 }'`
+
+for i in $FileSystem
+do
+        echo $i
+        number=`df -B 512 $i | awk -F" " '{print $3}' | grep -v Used`
+        echo $number
+        percent=$(echo "scale=0; $number * 98 / 100" | bc )
+        echo $percent
+        dd count=`echo $percent` if=/dev/zero of=`echo $i`/zf
+        /bin/sync
+        sleep 15
+        rm -f $i/zf
+done
+
+VolumeGroup=`$PREFIX/vgdisplay | grep Name | awk -F" " '{ print $3 }'`
+
+for j in $VolumeGroup
+do
+        echo $j
+        $PREFIX/lvcreate -l `$PREFIX/vgdisplay $j | grep Free | awk -F" 
+" '{ print $5 }'` -n zero $j
+        if [ -a /dev/$j/zero ]; then
+                cat /dev/zero > /dev/$j/zero
+                /bin/sync
+                sleep 15
+                $PREFIX/lvremove -f /dev/$j/zero
+        fi
+done