centos7 oracle11g吐血安装
安装oracle 添加用户组 [root@bogon ~]# groupadd oinstall [root@bogon ~]# groupadd dba [root@bogon ~]# groupadd oper 添加oracle用户 [root@bogon ~]# useradd -g oinstall -G dba,oper oracle [root@bogon ~]# passwd oracle 修改文件/etc/sysctl.conf,添加如下内容 kernel.shmmni = 4096 kernel.shmmax = 4398046511104 kernel.shmall = 1073741824 kernel.sem = 250 32000 100 128 fs.aio-max-nr = 1048576 fs.file-max = 6815744 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 使sysctl.conf修改生效,执行命令 [root@bogon ~]# sysctl -p 修改文件