Created
September 25, 2012 06:03
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Set up VM to show IP address before login.
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#!/bin/sh | |
# based on http://offbytwo.com/2008/05/09/show-ip-address-of-vm-as-console-pre-login-message.html | |
# need to be root to write out these files | |
if [ `id -u` != 0 ]; then | |
echo "Need to run as root. Maybe use sudo..." | |
exit | |
fi | |
GET_IP_ADDRESS='/usr/local/bin/get-ip-address' | |
if [ ! -f $GET_IP_ADDRESS ]; then | |
cat >$GET_IP_ADDRESS <<EOF | |
#!/bin/sh | |
ip address show dev eth0 | grep "inet " | awk '{ print \$2 }' | awk -F/ '{ print \$1 }' | |
EOF | |
chmod 0755 $GET_IP_ADDRESS | |
fi | |
if [ ! -f '/etc/issue-standard' ]; then | |
cp /etc/issue /etc/issue-standard | |
cat >'/etc/network/if-up.d/show-ip-before-login' <<EOF | |
#/bin/sh | |
if [ "\$METHOD" = loopback ]; then | |
exit 0 | |
fi | |
# Only run from ifup. | |
if [ "\$MODE" != start ]; then | |
exit 0 | |
fi | |
grep -v "^\$" /etc/issue-standard >/etc/issue | |
echo -n " " >>/etc/issue | |
$GET_IP_ADDRESS >>/etc/issue | |
echo "" >> /etc/issue | |
EOF | |
chmod 0755 /etc/network/if-up.d/show-ip-before-login | |
fi |
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