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最近工作需要安装oracle 11g R2在阿里云ECS上,因此编写了一个脚本来完成图形化安装界面之前的准备工作,这样节省时间,shell如下:
#!/bin/bash SYSCTL="/etc/sysctl.conf" LIMITS="/etc/security/limits.conf" PAM="/etc/pam.d/login" PROFILE="/etc/profile" BASH_PROFILE="/home/oracle/.bash_profile" oracle_passwd='oracle' SID=orcl lang="AMERICAN_AMERICA.AL32UTF8" #ora_install_dir=/u01 #ora_database_dir=/u02 ORACLE_BASE=$ora_install_dir/app/oracle ORACLE_HOME=$ORACLE_BASE/product/11.2.0/db #初始化检查,OS版本、内存、磁盘情况 check_init() { OS=`cat /etc/redhat-release` MEM=`free -m |grep 'Mem' | awk '{print $2}'` CPUS=`grep -i "processor" /proc/cpuinfo | wc -l` echo "系统版本:$OS" echo "内存:${MEM}M" echo "CPU核数:$CPUS" } #检查swap空间是否分配 check_swap() { mem=`free -g |grep 'Mem' | awk '{print $2}'` mem_temp=$(($mem%2)) swap_all=`free -m |grep 'Swap' |awk '{print $2}'` if [ $mem_temp == 1 ];then mem=$(($mem+1)) swap=$(($mem/2)) echo -e "\n\e[1;32m 系统内存为 ${mem}GB \e[0m" fi swap_check="`grep -i 'swaptotal' /proc/meminfo |awk '{print $2}'`" if [[ $swap_check = "0" ]];then read -p " swap分区没有设置,请进行设置,输入[y] or [n]:" temp if [ $temp == "y" ];then COUNT=$(($swap * 1024)) echo -e "\n\e[1;31m 开始设置swap分区,/mnt/swap=${swap}GB \e[0m" dd if=/dev/zero of=/mnt/swap bs=1M count=${COUNT} mkswap /mnt/swap swapon /mnt/swap echo "/mnt/swap swap swap defaults 0 0" >> /etc/fstab else echo "请检查或手工设置swap分区后运行该脚本!" exit 1 fi else echo -e "\n\e[1;31m系统内存为${mem}GB 当前swap分区已经配置,大小为${swap_all}MB \e[0m" fi } #检查是否root用户执行脚本 isroot() { if [ $USER != "root" ];then echo -e "\n\e[1;31m The user must be root,and you user is $USER,please su to root.\e[0m" exit 4 fi } #创建oracle用户 oracle_useradd() { if [[ `grep "oracle" /etc/passwd` != "" ]];then echo -e "\e[1;31m User oracle exits, delete and create oracle! \e[0m" && sleep 2 userdel -rf oracle fi if [[ `grep "oinstall" /etc/group` = "" ]];then groupadd oinstall fi if [[ `grep "dba" /etc/group` = "" ]];then groupadd dba fi useradd oracle -g oinstall -G dba && echo $oracle_passwd |passwd oracle --stdin if [ $? -eq 0 ];then echo -e "\n\e[1;32m oracle's password update successfully ---OK! \e[0m" else echo -e "\n\e[1;31m oracle's password set failed. ---NO! \e[0m" fi } #创建oracle使用的目录 oracle_dirs() { read -p "please input oracle install dirname,default /u01": ora_install_dir read -p "please input oracle database dirname,default /u02": ora_database_dir mkdir -p $ora_install_dir/app/oracle/{oraInventory,product/11.2.0/db} mkdir -p "$ora_database_dir/oradata/oradb" chown -R oracle:oinstall $ora_install_dir chown -R oracle.oinstall $ora_database_dir chmod -R 755 $ora_install_dir $ora_database_dir if [ $? == 0 ];then echo "$ora_install_dir create sucessfully!" echo "$ora_database_dir create sucessfully!" else echo "$ora_install_dir or $ora_database_dir create Failed,please check!" exit 2 fi } #配置profile文件 oracle_profile() { if [ -f "/etc/profile.bak" ];then rm -rf /etc/profile >/dev/null cp /etc/profile.bak /etc/profile cat << EOF >>$PROFILE if [ $USER = "oracle" ];then if [ $SHELL = "/bin/ksh" ];then ulimit -p 16384 ulimit -n 65536 else ulimit -u 16384 -n 65536 fi fi EOF else cp /etc/profile /etc/profile.bak cat << EOF >>$PROFILE if [ $USER = "oracle" ];then if [ $SHELL = "/bin/ksh" ];then ulimit -p 16384 ulimit -n 65536 else ulimit -u 16384 -n 65536 fi fi EOF fi if [ $? -eq 0 ];then echo -e "\n\e[1;32m $PROFILE update successfully... OK! \e[0m" fi } #配置.bash_profile() oracle_bash() { if [ -f "/home/oracle/.bash_profile.bak" ];then rm -rf $BASH_PROFILE>/dev/null cp /home/oracle/.bash_profile.bak $BASH_PROFILE cat <<EOF >> $BASH_PROFILE export ORACLE_BASE=$ORACLE_BASE export ORACLE_HOME=$ORACLE_BASE/product/11.2.0/db export ORACLE_SID=$SID export ORACLE_TERM=xterm export ORACLE_OWNER=oracle export TNS_ADMIN=$ORACLE_HOME/network/admin export ORA_NLS33=$ORACLE_HOME/ocommon/nls/admin/data export LD_LIBRARY_PATH=$ORACLE_HOME/lib:$ORACLE_HOME/network/lib:/lib:/usr/lib:/usr/local/lib export LIBPATH=$ORACLE_HOME/lib:$ORACLE_HOME/network/lib:/lib:/usr/lib:/usr/local/lib export PATH=$PATH:/sbin:/usr/bin:/usr/sbin:$JAVA_HOME/bin:$ORACLE_HOME/bin:$ORACLE_HOME/lib:$HOME/bin:$ORACLE_HOME/OPatch:. umask 022 export NLS_LANG=$lang EOF else cp $BASH_PROFILE /home/oracle/.bash_profile.bak cat <<EOF >> $BASH_PROFILE export ORACLE_BASE=$ORACLE_BASE export ORACLE_HOME=$ORACLE_BASE/product/11.2.0/db export ORACLE_SID=$SID export ORACLE_TERM=xterm export ORACLE_OWNER=oracle export TNS_ADMIN=$ORACLE_HOME/network/admin export ORA_NLS33=$ORACLE_HOME/ocommon/nls/admin/data export LD_LIBRARY_PATH=$ORACLE_HOME/lib:$ORACLE_HOME/network/lib:/lib:/usr/lib:/usr/local/lib export LIBPATH=$ORACLE_HOME/lib:$ORACLE_HOME/network/lib:/lib:/usr/lib:/usr/local/lib export PATH=$PATH:/sbin:/usr/bin:/usr/sbin:$JAVA_HOME/bin:$ORACLE_HOME/bin:$ORACLE_HOME/lib:$HOME/bin:$ORACLE_HOME/OPatch:. umask 022 export NLS_LANG=$lang EOF fi if [ $? -eq 0 ];then echo -e "\n\e[1;32m $BASH_PROFILE update successfully...OK! \e[0m" fi } #设置limit资源限制 oracle_limit() { if [ -f "/etc/security/limits.conf.bak" ];then rm -rf $LIMITS>/dev/null cp /etc/security/limits.conf.bak $LIMITS cat <<EOF >> $LIMITS oracle soft nproc 8192 oracle hard nproc 16384 oracle soft nofile 8192 oracle hard nofile 65536 EOF else cp $LIMITS /etc/security/limits.conf.bak cat <<EOF >> $LIMITS oracle soft nproc 8192 oracle hard nproc 16384 oracle soft nofile 8192 oracle hard nofile 65536 EOF fi if [ $? -eq 0 ];then echo -e "\n\e[1;32m $LIMITS update sucessfully...OK! \e[0m" fi } #设置内核参数 oracle_kernal() { if [ -f /etc/sysctl.conf.bak ];then rm -rf $SYSCTL>/dev/null cp /etc/sysctl.conf.bak $SYSCTL sed -i 's/kernel.msgmnb.*/#kernel.msgmnb = 65536/g' $SYSCTL sed -i 's/kernel.msgmax.*/#kernel.msgmax = 65536/g' $SYSCTL sed -i 's/kernel.shmmax.*/#kernel.shmmax = 68719476736/g' $SYSCTL sed -i 's/kernel.shmall.*/#kernel.shmall = 4294967296/g' $SYSCTL cat <<EOF >> $SYSCTL kernel.shmall = 2097152 kernel.shmmax = 2147483648 kernel.shmmni = 40960 kernel.sem = 250 32000 100 128 kernel.msgmni = 4096 kernel.msgmax = 65536 kernel.msgmnb = 84000 fs.file-max = 6815744 net.ipv4.ip_local_port_range = 9000 65500 fs.file-max = 6815744 net.core.rmem_default = 262144 net.core.rmem_max = 4194304 net.core.wmem_default = 262144 net.core.wmem_max = 1048576 fs.aio-max-nr = 1048576 net.ipv4.tcp_wmem = 262144 262144 262144 net.ipv4.tcp_rmem = 4194304 4194304 4194304 EOF else cp $SYSCTL /etc/sysctl.conf.bak sed -i 's/kernel.msgmnb.*/#kernel.msgmnb = 65536/g' $SYSCTL sed -i 's/kernel.msgmax.*/#kernel.msgmax = 65536/g' $SYSCTL sed -i 's/kernel.shmmax.*/#kernel.shmmax = 68719476736/g' $SYSCTL sed -i 's/kernel.shmall.*/#kernel.shmall = 4294967296/g' $SYSCTL cat <<EOF >> $SYSCTL kernel.shmall = 2097152 kernel.shmmax = 2147483648 kernel.shmmni = 40960 kernel.sem = 250 32000 100 128 kernel.msgmni = 4096 kernel.msgmax = 65536 kernel.msgmnb = 84000 fs.file-max = 6815744 net.ipv4.ip_local_port_range = 9000 65500 fs.file-max = 6815744 net.core.rmem_default = 262144 net.core.rmem_max = 4194304 net.core.wmem_default = 262144 net.core.wmem_max = 1048576 fs.aio-max-nr = 1048576 net.ipv4.tcp_wmem = 262144 262144 262144 net.ipv4.tcp_rmem = 4194304 4194304 4194304 EOF fi if [ $? -eq 0 ];then echo -e "\n\e[1;32m $SYSCTL update sucessfully...OK! \e[0m" fi } #关闭iptables and selinux iptables_selinux() { service iptables stop && chkconfig iptables off setenforce 0 &>/dev/null sed -i '/SELINUX/s/enforcing/disabled/;/SELINUX/s/permissive/disabled/' /etc/selinux/config } #下载oracle安装文件 get_oracle() { wget http://10.139.96.23:8080/p13390677_112040_Linux-x86-64_1of7.zip -P /home/oracle && wget http://10.139.96.23:8080/p13390677_112040_Linux-x86-64_2of7.zip -P /home/oracle } #oracle安装准备主程序 main() { isroot check_init && sleep 1 check_swap && sleep 1 oracle_useradd && sleep 1 oracle_dirs && sleep 1 oracle_profile && sleep 1 oracle_bash && sleep 1 oracle_limit && sleep 1 oracle_kernal && sleep 1 iptables_selinux && sleep 1 get_oracle && sleep 1 if [ $? -eq 0 ] ;then echo -e "\n\e[1;32m oracle初始化配置已经完成,请确保图形化界面正常工作,执行./database安装程序! \e[0m" fi } main
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