准备虚拟机，基本配置为：16G内存、4core cpu、4个磁盘（1个系统盘、一个/tmp分区、一个数据分区、一个交换分区swap）。
准备操作系统，并使磁盘可用。
建议正式环境为用户数据存储提供独立的磁盘或者分区。
[root@CentOS100 home]# unzip LINUX.X64_193000_db_home.zip -d /home/oracle19c
[root@centos100 home]# unzip LINUX.X64_193000_db_home.zip -d /home/oracle19c
[root@centos100 ~]# more preinstall.sh #!/bin/bash #writen by sery(wx:formyz),2019-7-18 #install dependency package yum install -y \ bc \ binutils \ compat-libcap1 \ compat-libstdc++-33 \ elfutils-libelf \ elfutils-libelf-devel \ fontconfig-devel \ glibc \ glibc-devel \ kmod \ kmod-libs \ gcc-c++ \ ksh \ libaio \ libaio-devel \ libX11 \ libXau \ libXi \ libXtst \ libXrender \ libXrender-devel \ libgcc \ librdmacm-devel \ libstdc++ \ libstdc++-devel \ libxcb \ make \ net-tools \ nfs-utils \ Python \ python-configshell \ python-rtslib \ python-six \ targetcli \ smartmontools \ sysstat \ tigervnc-server #install xwindow yum groupinstall –y "X Window System" yum groupinstall -y "GNOME Desktop" "Graphical Administration Tools" #modify system parameter cat << EOF > /etc/sysctl.d/98-oracle-kernel.conf vm.swappiness = 1 vm.dirty_background_ratio = 3 vm.dirty_ratio = 80 vm.dirty_expire_centisecs = 500 vm.dirty_writeback_centisecs = 100 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 = 1048576 kernel.msgmnb = 65536 kernel.msgmax = 65536 kernel.shmmax = 8589934590 kernel.shmall = 2147483648 kernel.shmmni = 4096 EOF sysctl -p /etc/sysctl.d/98-oracle-kernel.conf cat << EOF > /etc/security/limits.d/99-oracle-limits.conf oracle soft nproc 2047 oracle hard nproc 16384 oracle soft nofile 1024 oracle hard nofile 65536 oracle soft stack 10240 oracle hard stack 32768 EOF #create groups and user groupadd -g 1000 oinstall groupadd -g 1001 dba useradd -g oinstall -G dba oracle echo "sery888"|passwd --stdin oracle #create directory mkdir -p /u01/app/oracle/product/19.3/db_01 chown -R oracle.oinstall /u01 chmod -R 755 /u01
[root@centos100 ~]# more preinstall.sh
#!/bin/bash
#writen by sery(wx:formyz),2019-7-18
#install dependency package
yum install -y \
bc \
binutils \
compat-libcap1 \
compat-libstdc++-33 \
elfutils-libelf \
elfutils-libelf-devel \
fontconfig-devel \
glibc \
glibc-devel \
kmod \
kmod-libs \
gcc-c++ \
ksh \
libaio \
libaio-devel \
libX11 \
libXau \
libXi \
libXtst \
libXrender \
libXrender-devel \
libgcc \
librdmacm-devel \
libstdc++ \
libstdc++-devel \
libxcb \
make \
net-tools \
nfs-utils \
python \
python-configshell \
python-rtslib \
python-six \
targetcli \
smartmontools \
sysstat \
tigervnc-server
#install xwindow
yum groupinstall –y "X Window System"
yum groupinstall -y "GNOME Desktop" "Graphical Administration Tools"
#modify system parameter
cat << EOF > /etc/sysctl.d/98-oracle-kernel.conf
vm.swappiness = 1
vm.dirty_background_ratio = 3
vm.dirty_ratio = 80
vm.dirty_expire_centisecs = 500
vm.dirty_writeback_centisecs = 100
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 = 1048576
kernel.msgmnb = 65536
kernel.msgmax = 65536
kernel.shmmax = 8589934590
kernel.shmall = 2147483648
kernel.shmmni = 4096
EOF
sysctl -p /etc/sysctl.d/98-oracle-kernel.conf
cat << EOF > /etc/security/limits.d/99-oracle-limits.conf
oracle soft nproc 2047
oracle hard nproc 16384
oracle soft nofile 1024
oracle hard nofile 65536
oracle soft stack 10240
oracle hard stack 32768
EOF
#create groups and user
groupadd -g 1000 oinstall
groupadd -g 1001 dba
useradd -g oinstall -G dba oracle
echo "sery888"|passwd --stdin oracle
#create directory
mkdir -p /u01/app/oracle/product/19.3/db_01
chown -R oracle.oinstall /u01
chmod -R 755 /u01
此脚本执行完以后，再对oracle帐号设置环境变量。切换到用户oracle，然后编辑文件/home/oracle/.bash_profile。增加其内容为：