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OpenVZ setup (legacy)
Raw
bash_history.sh
yum update
yum -y update
yum -y install openssh-clients openssh-servers nano
yum -y install openssh-clients openssh-server nano
ifconfig
chkconfig sshd on
service sshd start
shutdown -h now
ifconfig
wget -P /etc/yum.repos.d/ http://ftp.openvz.org/openvz.repo
rpm --import http://ftp.openvz.org/RPM-GPG-Key-OpenVZ
yum -y instal vzkernel vzctl vzquota nano
yum -y install vzkernel vzctl vzquota nano
mkdir -p /vz/template/cache/
cd /vz/template/cache/
wget http://download.openvz.org/template/precreated/centos-6-x86_64.tar.gz
reboot
uname -a
ifconfig
vzctl create 101 --ostemplate centos-6-x86_64.tar.gz
vzctl create 101 --ostemplate centos-6-x86_64
cd /vz/template/cache/
ls
ll
rm centos-6-x86_64.tar.gz
ls
mv centos-6-x86_64.tar.gz.1 centos-6-x86_64.tar.gz
vzctl create 101 --ostemplate centos-6-x86_64
vzctl set 101 --ipadd 10.1.2.3 --save
cat /etc/resolv.conf
vzctl set 101 --nameserver 10.106.112.12 --save
vzctl start 101
vzctl enter 101
/etc/init.d/iptables stop
vzctl enter 101
ping 8.8.8.8
vzctl enter 101
cat /proc/sys/net/ipv4/ip_forward
iptables -t nat -A POSTROUTING -s src_net -o eth0 -j SNAT --to ip_address
ifconfig eth0
nano /etc/sysconfig/network-scripts/ifcfg-eth0
vzctl set 101 --ipdel 10.1.2.3 --save
cat /etc/vz/conf/101.conf
iptables -t nat -A POSTROUTING -s 192.168.2.0/25 -o eth0 -j SNAT --to 10.106.38.35
/sbin/iptables -A RH-Firewall-1-INPUT -s 192.168.2.0/25 -j ACCEPT
vzctl exec 101 ping www.openvz.org
vzctl set 101 --ipadd 192.168.2.2 --save
vzctl exec 101 ping www.openvz.org
vzctl enter 101
ssh 192.168.2.2
pwd
iptables -t nat -A PREROUTING -p tcp -d 10.106.38.35 --dport 5022 -i eth0 -j DNAT --to-destination 192.168.2.2:22
iptables
iptables --list
iptables-save --help
cat /etc/sysconfig/iptables
vzctl set 101 --hostname ct101
vzctl set 101 --hostname ct101 --save
vzctl show
vzctl list
vzctl --help
vzlist
vzctl suspend 101
vzctl stop 101
tar zcf /vz/template/cache/centos-6-seb.tar.gz -C /vz/private/101/ .
cd /vz/template/cache/
ls
ll
vzctl create 102 --ostemplate centos-6-seb
ls
cat > test <<InputComesFromHERE
///
DEVICE=vmbr0
BOOTPROTO=dhcp
IPV6INIT=no
ONBOOT=yes
TYPE=Bridge
DELAY=0
MACADDR=XX:XX:XX:XX:XX:XX
InputComesFromHERE
ls
cat test
rm test
cat > test <<InputComesFromHERE
///
DEVICE=vmbr0
BOOTPROTO=dhcp
IPV6INIT=no
ONBOOT=yes
TYPE=Bridge
DELAY=0
MACADDR=XX:XX:XX:XX:XX:XX
InputComesFromHERE
ls
cat test
rm test
nano /etc/yum.repos.d/openvz.repo
vzctl set 102 --ipadd 192.168.2.3 --hostname ct102 --save
cat /etc/vz/conf/102.conf
nano /etc/vz/conf/102.conf
vzctl start 102
iptables -t nat -A PREROUTING -p tcp -d 10.106.38.35 --dport 5122 -i eth0 -j DNAT --to-destination 192.168.2.3:22
iptables-save > /etc/sysconfig/iptables
vzctl enter 102
nano /etc/vz/conf/101.conf
vzctl start 101
iptables -t nat -A PREROUTING -p tcp -d 10.106.38.35 --dport 50075 -i eth0 -j DNAT --to-destination 192.168.2.2:50075
iptables -t nat -A PREROUTING -p tcp -d 10.106.38.35 --dport 50010 -i eth0 -j DNAT --to-destination 192.168.2.2:50010
iptables -t nat -A PREROUTING -p tcp -d 10.106.38.35 --dport 50100 -i eth0 -j DNAT --to-destination 192.168.2.2:50100
shutdown -h now
vzctl enter 101
cd /home/hduser/hadoop-1.2.1/conf
iptables -t nat -A PREROUTING -p tcp -d 10.106.38.35 --dport 50030 -i eth0 -j DNAT --to-destination 192.168.2.2:50030
iptables -t nat -A PREROUTING -p tcp -d 10.106.38.35 --dport 50060 -i eth0 -j DNAT --to-destination 192.168.2.2:50060
iptables -t nat -A PREROUTING -p tcp -d 10.106.38.35 --dport 50070 -i eth0 -j DNAT --to-destination 192.168.2.2:50070
iptables -t nat -A PREROUTING -p tcp -d 10.106.38.35 --dport 50090 -i eth0 -j DNAT --to-destination 192.168.2.2:50090
iptables -t nat -A PREROUTING -p tcp -d 10.106.38.35 --dport 60000 -i eth0 -j DNAT --to-destination 192.168.2.2:60000
iptables -t nat -A PREROUTING -p tcp -d 10.106.38.35 --dport 60010 -i eth0 -j DNAT --to-destination 192.168.2.2:60010
iptables -t nat -A PREROUTING -p tcp -d 10.106.38.35 --dport 60020 -i eth0 -j DNAT --to-destination 192.168.2.2:60020
iptables -t nat -A PREROUTING -p tcp -d 10.106.38.35 --dport 60030 -i eth0 -j DNAT --to-destination 192.168.2.2:60030
iptables -t nat -A PREROUTING -p tcp -d 10.106.38.35 --dport 2888 -i eth0 -j DNAT --to-destination 192.168.2.2:2888
iptables -t nat -A PREROUTING -p tcp -d 10.106.38.35 --dport 3888 -i eth0 -j DNAT --to-destination 192.168.2.2:3888
iptables -t nat -A PREROUTING -p tcp -d 10.106.38.35 --dport 2181 -i eth0 -j DNAT --to-destination 192.168.2.2:2181
to-destination 192.168.2.2:50090
iptables-save > /etc/sysconfig/iptables
ifconfig
date
yum install ntpd
ntpd
ntpdate 0.us.pool.ntp.org
service ntpd stop
ntpdate 0.us.pool.ntp.org
date
service ntpd start
iptables -L
iptables -h
iptables -S
iptables-save
service --status-all|grep running
cat /boot/grub/menu.lst
cd
ls
sh install-vz.sh
cat .bashrc
cat /etc/bashrc
sh install-vz.sh
echo $USER
uname
uname --help
uname -s
uname -m
sh install-vz.sh
nano /etc/yum.repos.d/openvz.repo
sh test.sh
ifconfig eth0
ifconfig eth0 iet
ifconfig eth0
ifconfig --help
ip addr show
ifconfig | grep 'inet addr:'| grep -v '127.0.0.1' | cut -d: -f2 | awk '{ print $1}'
sh conf-vz.sh
ifconfig | grep 'inet addr:'| grep -v '127.0.0.1' | cut -d: -f2 | awk '{ print $1}'
sh conf-vz.sh
sh test.sh
uname -v
uname --help
uname -r
uname -m
uname -p
uname -o
uname -i
uname -n
uname -r
wget --help
vzctl show
vzctl list
vzctl
hostname
hostname --help
hostname -s
hostname -a
hostname -d
sh test.sh
vzctl
sh conf-vz.sh
vzctl
vzlist
sh conf-vz.sh
ls /vz/template/cache/
cat /etc/vz/conf/101.conf
cat /etc/vz/conf/102.conf
sh conf-vz.sh
vzctl enter 102
sh conf-vz.sh
find -C /vz/template/cache/ .
find --help
ls /vz/template/cache/
ls -1 /vz/template/cache/
ls -l /vz/template/cache/
cd /vz/template/cache/
ls
rm ubuntu-12.04-x86_64.tar.gz
cd
ls
sh conf-vz.sh
cd
cd /etc
cd apt
yum update
shutdown
poweroff
Raw
conf-vz.sh
#!/bin/sh
#OpenVZ configure script
#author Selim Eren Bekce
echo "Configure VZ Script v1.2"
if [ ! "$USER" = "root" ]; then
echo "You need to be root."
exit 1
fi
#You can check it from \"uname -r\" command.
echo "This script assumes OpenVZ is already installed and its kernel is running atm. "
hostip=`ifconfig | grep 'inet addr:'| grep -v '127.0.0.1' | cut -d: -f2 | awk '{ print $1}'`
echo "Enter host ip address (blank for $hostip):"
read hostip2
if [ -n "$hostip2" ]; then hostip=$hostip2; fi;
options=("Configure NAT Network" "Download OS Template" "Create a CT" "Open Ports in NAT" "Create Template from a CT" "Quit")
select opt in "${options[@]}"
do
case $opt in
"Configure NAT Network")
echo "You should only do this per CT0 (host node). "
subnetcidr="192.168.2.0/25"
echo "Enter desired Subnet CIDR for Containers (blank for $subnetcidr):"
read subnetcidr2
if [ -n "$subnetcidr2" ]; then subnetcidr=$subnetcidr2; fi;
echo "iptables -t nat -A POSTROUTING -s $subnetcidr -o eth0 -j SNAT --to $hostip"
echo "Confirm? (ENTER/CTRL+C)"
read val1
iptables -t nat -A POSTROUTING -s $subnetcidr -o eth0 -j SNAT --to $hostip
if [ $? -ne 0 ]; then echo "An error occured. Exiting. 10"; exit 10; fi;
iptables-save > /etc/sysconfig/iptables
if [ $? -ne 0 ]; then echo "An error occured. Exiting. 11"; exit 11; fi;
echo "NAT subnet \"$subnetcidr\" added. Configuration saved to /etc/sysconfig/iptables"
;;
"Download OS Template")
echo "Either centos-6-x86_64.tar.gz or ubuntu-12.04-x86_64 can be downloadable from here. ";
echo "This script will overwrite templates with the same name in /vz/template/cache/. "
echo "Enter 'centos' to download centos-6-x86_64.tar.gz or 'ubuntu' to download ubuntu-12.04-x86_64."
read val1
if [ "$val1" = "centos" ]; then
wget -P /vz/template/cache/ http://download.openvz.org/template/precreated/centos-6-x86_64.tar.gz
if [ $? -ne 0 ]; then echo "An error occured. Exiting. 12"; exit 12; fi;
echo "Centos 6 template downloaded under /vz/template/cache/."
elif [ "$val1" = "ubuntu" ]; then
wget -P /vz/template/cache/ http://download.openvz.org/template/precreated/ubuntu-12.04-x86_64.tar.gz
if [ $? -ne 0 ]; then echo "An error occured. Exiting. 13"; exit 13; fi;
echo "Ubuntu 12.04 template downloaded under /vz/template/cache/."
else
echo "Invalid input"
fi
;;
"Create a CT")
echo "Enter CTID of your new CT (ex: 101, 102, etc). (Do NOT enter an existing ctid): "
read ctid
if [ -z "$ctid" ]; then echo "Invalid CTID. "; continue; fi
templatelist=$(ls -1 /vz/template/cache/)
targz=".tar.gz"
select template in $templatelist; do
template=${template%$targz}
break
done
echo "Enter CT ip address (ex: 192.168.2.101)"
read ctip
if [ -z "$ctip" ]; then echo "Invalid ctip. "; continue; fi
cthost=`hostname -s`$ctid.`hostname -d`
echo "Enter CT hostname ($cthost)"
read cthost2
if [ -n "$cthost2" ]; then cthost=$cthost2; fi;
echo "vzctl create $ctid --ostemplate $template --ipadd $ctip --hostname $cthost"
echo "Confirm? (ENTER/CTRL+C)"
read val1
vzctl create $ctid --ostemplate $template --ipadd $ctip --hostname $cthost
if [ $? -ne 0 ]; then echo "An error occured. Exiting. 14"; exit 14; fi;
;;
"Open Ports in NAT")
echo "Enter CT ip:"
read ctip
if [ -z "$ctip" ]; then echo "Invalid ctip. "; continue; fi
while :
do
echo "Enter CT port (blank to break):"
read ctport
if [ -z "$ctport" ]; then break; fi
echo "Enter host port (blank for $ctport):"
read hostport
if [ -z "$hostport" ]; then hostport=$ctport; fi
echo "iptables -t nat -A PREROUTING -p tcp -d $hostip --dport $hostport -i eth0 -j DNAT --to-destination $ctip:$ctport"
echo "Confirm? (ENTER/CTRL+C)"
read val1
iptables -t nat -A PREROUTING -p tcp -d $hostip --dport $hostport -i eth0 -j DNAT --to-destination $ctip:$ctport
if [ $? -ne 0 ]; then echo "An error occured. Exiting. 15"; exit 15; fi;
iptables-save > /etc/sysconfig/iptables
if [ $? -ne 0 ]; then echo "An error occured. Exiting. 16"; exit 16; fi;
echo "Redirect added. Configuration saved to /etc/sysconfig/iptables. Adding continues for same CT ip. "
done
;;
"Create Template from a CT")
echo "This will create a template from an existing CT installation."
echo "Enter CTID of target CT (ex: 101, 102, etc): "
read ctid
if [ -z "$ctid" ]; then echo "Invalid CTID. "; continue; fi
echo "Enter target template file name (without extension): "
read template
if [ -z "$template" ]; then echo "Invalid template name. "; continue; fi
echo "Confirm stopping CT $ctid? (ENTER/CTRL+C)"
read val1
vzctl stop $ctid
if [ $? -ne 0 ]; then echo "An error occured. Exiting. 17"; exit 17; fi;
echo "tar zcf /vz/template/cache/$template.tar.gz -C /vz/private/$ctid/ ."
echo "Confirm? (ENTER/CTRL+C)"
read val1
echo "Please wait"
tar zcf /vz/template/cache/$template.tar.gz -C /vz/private/$ctid/ .
if [ $? -ne 0 ]; then echo "An error occured. Exiting. 18"; exit 18; fi;
echo "Template $template created"
;;
"Quit")
echo "Bye"
break
;;
*) echo invalid option;;
esac
done
exit 0
Raw
install-vz.sh
#!/bin/sh
#OpenVZ install script
#author Selim Eren Bekce
echo "Install OpenVZ script v1.2."
if [ ! "$USER" = "root" ]; then
echo "You need to be root."
exit 1
fi
MACHINE_ARCH=`uname -m`
if [ ! "$MACHINE_ARCH" = "x86_64" ]; then
echo "This script only supports x86_64 architecture. Do manual installation."
exit 1
fi
echo "Enter your centos version [5|6]:"
read CENTOS_VERSION;
if [ "$CENTOS_VERSION" = "5" ]; then
cat >/etc/yum.repos.d/openvz.repo <<HERE
[openvz-utils]
name=OpenVZ user-space utilities
#baseurl=http://download.openvz.org/current/
mirrorlist=http://download.openvz.org/mirrors-current
enabled=1
gpgcheck=1
gpgkey=http://download.openvz.org/RPM-GPG-Key-OpenVZ
# In addition to the above repo, you have to enable at least one the the
# kernel repositories below. By default, openvz-kernel-rhel6 is enabled;
# you might want to change this.
## RHEL6-based OpenVZ kernels
[openvz-kernel-rhel6]
name=OpenVZ RHEL6-based stable kernels
#baseurl=http://download.openvz.org/kernel/branches/rhel6-2.6.32/current/
mirrorlist=http://download.openvz.org/kernel/mirrors-rhel6-2.6.32
enabled=0
gpgcheck=1
gpgkey=http://download.openvz.org/RPM-GPG-Key-OpenVZ
exclude=vzkernel-firmware
# Feel free to enable testing repo if you want newer testing kernels
[openvz-kernel-rhel6-testing]
name=OpenVZ RHEL6-based testing kernels
#baseurl=http://download.openvz.org/kernel/branches/rhel6-2.6.32-testing/current/
mirrorlist=http://download.openvz.org/kernel/mirrors-rhel6-2.6.32-testing
enabled=0
gpgcheck=1
gpgkey=http://download.openvz.org/RPM-GPG-Key-OpenVZ
exclude=vzkernel-firmware
# You might need to enable debuginfo, if asked by developers
[openvz-kernel-rhel6-debuginfo]
name=OpenVZ RHEL6-based testing kernel debuginfo rpms
baseurl=http://download.openvz.org/kernel/branches/rhel6-2.6.32-testing/debuginfo
enabled=0
gpgcheck=1
gpgkey=http://download.openvz.org/RPM-GPG-Key-OpenVZ
## RHEL5-based OpenVZ kernels. Come on, switch to RHEL6 already!
[openvz-kernel-rhel5]
name=OpenVZ RHEL5-based kernel
#baseurl=http://download.openvz.org/kernel/branches/rhel5-2.6.18/current/
mirrorlist=http://download.openvz.org/kernel/mirrors-rhel5-2.6.18
enabled=1
gpgcheck=1
gpgkey=http://download.openvz.org/RPM-GPG-Key-OpenVZ
[openvz-kernel-rhel5-testing]
name=OpenVZ RHEL5-based testing kernel
#baseurl=http://download.openvz.org/kernel/branches/rhel5-2.6.18-testing/current/
mirrorlist=http://download.openvz.org/kernel/mirrors-rhel5-2.6.18-testing
enabled=0
gpgcheck=1
gpgkey=http://download.openvz.org/RPM-GPG-Key-OpenVZ
## Development branches
# ....none at this point
HERE
if [ $? -ne 0 ]; then echo "An error occured. Exiting. 10"; exit 10; fi;
rpm --import http://ftp.openvz.org/RPM-GPG-Key-OpenVZ
if [ $? -ne 0 ]; then echo "An error occured. Exiting. 11"; exit 11; fi;
yum -y install ovzkernel.x86_64
if [ $? -ne 0 ]; then echo "An error occured. Exiting. 12"; exit 12; fi;
yum -y install vzctl vzquota nano
if [ $? -ne 0 ]; then echo "An error occured. Exiting. 13"; exit 13; fi;
echo "OVZ Kernel installed. Enter Y to reboot now. ";
read val1;
if [ "$val1" = "Y" ]; then
reboot
fi
elif [ "$CENTOS_VERSION" = "6" ]; then
wget -P /etc/yum.repos.d/ http://ftp.openvz.org/openvz.repo
if [ $? -ne 0 ]; then echo "An error occured. Exiting. 20"; exit 20; fi;
rpm --import http://ftp.openvz.org/RPM-GPG-Key-OpenVZ
if [ $? -ne 0 ]; then echo "An error occured. Exiting. 21"; exit 21; fi;
yum -y install vzkernel
if [ $? -ne 0 ]; then echo "An error occured. Exiting. 22"; exit 22; fi;
yum -y install vzctl vzquota ploop nano
if [ $? -ne 0 ]; then echo "An error occured. Exiting. 23"; exit 23; fi;
echo "OVZ Kernel installed. Enter Y to reboot now. ";
read val1;
if [ "$val1" = "Y" ]; then
reboot
fi
else
echo "Invalid version. "
exit 2
fi
Raw
test.sh
if [ $? -ne 0 ]; then echo "An error occured. Exiting. 10"; exit 10; fi;
ctid=101
echo "Enter ct hostname (`hostname -s`$ctid.`hostname -d`)"
echo "Enter your centos version [5|6]:"
read CENTOS_VERSION;
if [ "$CENTOS_VERSION" = "5" ]; then
echo "5!"
elif [ "$CENTOS_VERSION" = "6" ]; then
echo "6!"
else
echo "Invalid version. "
exit 2
fi
echo "NAT subnet \"$CENTOS_VERSION\" added. Configuration saved to /etc/sysconfig/iptables"
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