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prereq for cluster setup
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#!/bin/bash | |
set -x | |
#IFS=":" | |
LIST="87 90 89 88 91 85" | |
for i in $LIST; do | |
ssh root@10.2.1.$i ' | |
passwd | |
chkconfig iptables off | |
/etc/init.d/iptables stop | |
chkconfig iptables --list | |
setenforce 0 | |
cat > /etc/sysconfig/selinux <<\EOF | |
SELINUX=disabled | |
SELINUXTYPE=targeted | |
EOF | |
ip=`ifconfig eth0 2>/dev/null|awk '/inet addr:/ {print $2}' | sed 's/addr://'` | |
echo $ip | |
if [[ "$ip" == "10.2.1.85" ]]; then | |
hostname server | |
cat > /etc/sysconfig/network <<\EOF | |
NETWORKING=yes | |
HOSTNAME=server | |
EOF | |
elif [[ "$ip" == "10.2.1.87" ]]; then | |
hostname namenode | |
cat > /etc/sysconfig/network <<\EOF | |
NETWORKING=yes | |
HOSTNAME=namenode | |
EOF | |
elif [[ "$ip" == "10.2.1.88" ]]; then | |
hostname snn | |
cat > /etc/sysconfig/network <<\EOF | |
NETWORKING=yes | |
HOSTNAME=snn | |
EOF | |
elif [[ "$ip" == "10.2.1.89" ]]; then | |
hostname datanodeone | |
cat > /etc/sysconfig/network <<\EOF | |
NETWORKING=yes | |
HOSTNAME=datanodeone | |
EOF | |
elif [[ "$ip" == "10.2.1.90" ]]; then | |
hostname datanodetwo | |
cat > /etc/sysconfig/network <<\EOF | |
NETWORKING=yes | |
HOSTNAME=datanodetwo | |
EOF | |
elif [[ "$ip" == "10.2.1.91" ]]; then | |
hostname datanodethree | |
cat > /etc/sysconfig/network <<\EOF | |
NETWORKING=yes | |
HOSTNAME=datanodethree | |
EOF | |
cat >> /etc/hosts <<\EOF | |
10.2.1.85 server | |
10.2.1.87 nn | |
10.2.1.88 snn | |
10.2.1.89 datanodeone | |
10.2.1.90 datanodetwo | |
10.2.1.91 datanodethree | |
EOF | |
reboot | |
' | |
done | |
# change disk space | |
#!/bin/bash | |
#p,n,p,3,20806, ,p,w | |
set -x | |
#IFS=":" | |
LIST="87 90 89 88 91 85" | |
for i in $LIST; do | |
ssh root@10.2.1.$i ' | |
fdisk -l | |
lsblk | |
fdisk /dev/vda | |
' | |
done | |
vgextend VolGroup00 /dev/vda3 | |
lvextend -l +100%FREE /dev/VolGroup00/LogVol00 | |
resize2fs /dev/VolGroup00/LogVol00 | |
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