| 1 |
yum install bind-utils nmap -y |
| 2 |
|
| 3 |
cp /etc/sysconfig/network-scripts/ifcfg-eth0 ~ |
| 4 |
sed -i "s/PEERDNS=.*/PEERDNS=no/" /etc/sysconfig/network-scripts/ifcfg-eth0 |
| 5 |
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| 6 |
cat > /etc/resolv.conf << EOF |
| 7 |
nameserver 10.18.0.5 |
| 8 |
EOF |
| 9 |
|
| 10 |
systemctl restart network |
| 11 |
|
| 12 |
yum install mailx -y |
| 13 |
|
| 14 |
cat > /root/send_mail_to_root_at_domain.sh << EOFF |
| 15 |
#+ will show up in dbetz mailbox |
| 16 |
mail root@lab.example.net <<\EOF |
| 17 |
my subject |
| 18 |
this is my message body |
| 19 |
. |
| 20 |
EOF |
| 21 |
EOFF |
| 22 |
chmod +x /root/send_mail_to_root_at_domain.sh |
| 23 |
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