#HOSTS=/etc/hosts
#NETWORK=/etc/sysconfig/network
#hostname
#grep -v "HOSTNAME" $NETWORK > $NETWORK
#echo "HOSTNAME=$HOSTNAME" >> $NETWORK
#echo "$IPADDR $HOSTNAME">> $HOSTS
#加入用户
useradd -g oinstall -G dba $USER
groupadd oinstall
groupadd dba
mkdir -p $ORACLE_BASE
chown -R $USER:oinstall $ORACLE_BASE
#内核设置
cat >> $SYSCTL << EOF
kernel.msgmni=1024
kernel.shmmni=4906
kernel.sem=1024 64000 200 512
fs.file-max=65536
net.ipv4.ip_local_port_range=1024 65000
net.ipv4.tcp_sack=0
net.ipv4.tcp_timestamps=0
net.ipv4.tcp_max_syn_backlog=8192
net.ipv4.tcp_keepalive_time=120
net.core.rmem_default=262144
net.core.rmem_max=262144
net.core.wmem_default=262144
net.core.wmem_max=262144
EOF
#限制设置
cat>> $LIMITS <<EOF
oracle soft nproc 2047
oracle hard nproc 16384
oracle soft nofile 1024
oracle hard nofile 65536
EOF
#安全设置
cat >> $PAM <<EOF
session required /lib/security/pam_limits.so
session required pam_limits.so
EOF
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