nmcli d
nmcli c mdify enp0s3 ipv4.addresses 172.31.1.8
nmcli c mdify enp0s3 ipv4.addresses 172.31.1.8/24
nmcli c modify enp0s3 ipv4.addresses 172.31.1.8/24
nmcli c modify enp0s3 ipv4.gateway 172.31.1.1
nmcli c modify enp0s3 ipv4.dns 172.31.1.21
nmcli c modify enp0s3 ipv4.method manual
nmcli c up enp0s3
systemctl sshd restart
systemctl restart sshd
firewall-cmd open-port=22/tcp --permanent
firewall-cmd add-service=ssh --permanent
firewall-cmd add-port=22/tcp --permanent
firewall-cmd --add-port=22/tcp --permanent
systemctl reload firewalled
reboot
halt
nmcli c down  enp0s3
nmcli c modify enp0s3 ipv4.addresses 172.31.1.9/24
nmcli c up enp0s3
ping 172.31.1.1
halt
clear
yum install gcc make wget
yum update
halt
nmcli c up enp0s3
ping 172.31.1.1
systemctl reload firewalled
nmcli c modify enp0s3 ipv4.addresses 172.31.1.10/24
cd /etc/sysconfig/network-scripts/
ls
cp ifcfg-enp0s3 ifcfg-enp0s3:1
vi ifcfg-enp0s3:1
cp ifcfg-enp0s3:1 ifcfg-enp0s3
vi ifcfg-enp0s3
reboot
nmcli c up enp0s3
nmcli c up enp0s3:1
nmcli d
nmcli c up enp0s3
ls
cd /etc/sysconfig/network-scripts/
ls
vi ifcfg-enp0s3
reboot
cd /usr/local/src
wget http://cr.yp.to/daemontools/daemontools-0.76.tar.gz
gunzip daemontools-0.76.tar
tar -xpf daemontools-0.76.tar
cd admin/daemontools-0.76
vi src/conf-cc
./package/install
cd /usr/local/src
vi /etc/inittab 
wget http://cr.yp.to/ucspi-tcp/ucspi-tcp-0.88.tar.gz
gunzip ucspi-tcp-0.88.tar
tar -xf ucspi-tcp-0.88.tar
cd ucspi-tcp-0.88
vi conf-cc
make
make setup check
cd /usr/local/src
wget http://cr.yp.to/djbdns/djbdns-1.05.tar.gz
gunzip djbdns-1.05.tar
tar -xf djbdns-1.05.tar
cd djbdns-1.05
vi conf-cc
make
make setup check
useradd -d /var/dnscache -s /bin/false dnscache
useradd -d /var/dnscache -s /bin/false dnslog
dnscache-conf dnscache dnslog /var/dnscache/dnscache 172.31.1.9
ln -sf /var/dnscache/dnscache /service/
useradd -d /var/dnscache -s /bin/false tinydns
useradd -d /var/dnscache -s /bin/false tinylog
tinydns-conf tinydns tinylog /var/dnscache/tinydns 172.31.1.10
cd /var/dnscache/tinydns/
ls
cd roo
ls
cd root
ls
mv data data1
scp root@172.31.1.84:/var/pks-bkp/dns-21-22/06052016/tinydns-21/root/data .
vi data
make
ln -sf /var/dnscache/tinydns /service
vi /etc/init.d/network 
mkdir /etc/init/
vi /etc/init/daemontools.conf
reboot
nslookup
yum install bind-util net-util
yum install yum install bind-utilsbind-util net-util
yum install bind-utils
yum install net-utils
yum install net-util
firewall-cmd --open-port=53 --permanent
firewall-cmd --add-port=53 --permanent
firewall-cmd --add-port=53/tcp --permanent
firewall-cmd --add-port=53/udp --permanent
nslookup
nmap
yum install nmap
nmap 172.31.1.10
nmap 172.31.1.9
svc -t /service/tinydns/
svscan /service/ &
svc -t /service/tinydns/
svc -t /service/dnscache/
nmap 172.31.1.10
nmap 172.31.1.9
nslookup
nmap 172.31.1.10
vi /etc/resolv.conf 
ls
vi /etc/sysconfig/network-scripts/
vi /etc/sysconfig/network-scripts/ifcfg-enp0s3
vi /etc/sysconfig/network-scripts/ifcfg-enp0s3:1
reboot
svscan /service/ &
svc -t /service/dnscache/
svc -t /service/tinydns/
halt
svscan /service/ &
svc -t /service/tinydns/
svc -t /service/dnscache/
passwd
exit
ls
cd /var/dnscache/
ls
cd tinydns/
ls
cd root
ls
vi data
svc -t /service/tinydns/
svc -t /service/dnscache/
exit
svscan /service/ &
svc -t /service/dnscache/
svc -t /service/tinydns/
cd /var/dnscache/tinydns/
ls
cd root
ls
vi data
clear
top
clear
exit
passwd
exit
cd ../
cd /
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