Oracle 安装： 检查安装包 rpm -q binutils compat-libstdc++ elfutils-libelf elfutils-libelf-devel elfutils-libelf-devel-static gcc gcc-c++ glibc glibc-common glibc-devel glibc-headers kernel-headers ksh libaio libaio-devel libgcc libgomp libstdc++ libstdc++-devel make numactl-devel sysstat vi /etc/sysctl.conf 添加参数 fs.aio-max-nr = 1048576 fs.file-max = 6815744 kernel.shmall = 2097152 kernel.shmmax = 536870912 kernel.shmmni = 4096 kernel.sem = 250 32000 100 128 net.ipv4.ip_local_port_range = 9000 65500 net.core.rmem_default = 262144 net.core.rmem_max = 4194304 net.core.wmem_default = 262144 net.core.wmem_max = 1048586 改变当前系统内核参数值（让/etc/sysctl.conf立即生效） # sysctl -p 创建用户与组 groupadd -g 505 dba groupadd -g 506 oinstall useradd -g oinstall -G dba -s /bin/bash -u 555 oracle passwd oracle vi /etc/selinux/config SELINUX=disabled 修改/etc/security/limits.conf文件 vim /etc/security/limits.conf 在打开的文件底部添加下面内容 oracle soft nproc 20470 oracle hard nproc 16384 oracle soft nofile 10240 oracle hard nofile 65536 oracle soft stack 10240 mkdir -p /oracle/app/oracle/product/11.2/db_1 chown -R oracle:oinstall /oracle vi .bash_profile export PATH export EDITOR=vi export ORACLE_SID=redhat export ORACLE_BASH=/oracle/app/oracle export ORACLE_HOME=$ORACLE_BASH/product/11.2/db_1 export LD_LIBRARY_PATH=$LD_LIBRARY_PATH:$ORACLE_HOME/lib export PATH=$PATH:$ORACLE_HOME/bin:/bin:/usr/bin:/usr/sbin:/usr/local/bin:/usr/x11r6/bin umask 022 --------------》 解压Oracle 安装包 Xshell登录Linux 测试 xclock -------------------------------------- [roacle$redhat #]netca 配置Oracle sqlplus / as sysdba; select * from cat; select status from v$instance; 解锁示库数据库 alter user hr identified by hr account unlock; 启动监听 lsnrctl start startup 启动数据库实例 shutdown