oracle 10g在redhat5下的安装
[root@localhost ~]# groupadd dba -g 111
[root@localhost ~]# groupadd oinstall -g 110
[root@localhost ~]# useradd oracle -u 110 -g 110 -G 111
[root@localhost ~]# passwd oracle
Changing password for user oracle.
New UNIX password:
BAD PASSWORD: it does not contain enough DIFFERENT characters
Retype new UNIX password:
passwd: all authentication tokens updated successfully.
[root@localhost ~]# su - oracle
[oracle@localhost ~]$ vi .bash_profile
# .bash_profile
# Get the aliases and functions
if [ -f ~/.bashrc ]; then
. ~/.bashrc
fi
# User specific environment and startup programs
export ORACLE_BASE=/u01/oracle
export ORACLE_HOME=$ORACLE_BASE/10g
export ORACLE_SID=orcl
PATH=$PATH:$HOME/bin:$ORACLE_HOME/bin
export PATH
[oracle@localhost ~]$ su -
口令：
[root@localhost ~]# mkdir /u01
[root@localhost ~]# mkdir /u01/oracle
[root@localhost ~]# chown oracle:oinstall /u01 -R
[root@localhost ~]# chown oracle:oinstall /u01/oracle -R
[root@localhost ~]# sysctl -a|grep sem
kernel.sem = 250 32000 32 128
[root@localhost ~]# sysctl -a|grep sem|sed 's/32/100/2'
kernel.sem = 250 32000 100 128
[root@localhost ~]# sysctl -a|grep sem|sed 's/32/100/2' >>/etc/sysctl.conf
[root@localhost ~]# sysctl -a|grep ip_local
net.ipv4.ip_local_port_range = 32768 61000
[root@localhost ~]# sysctl -a|grep ip_local|sed -e 's/32768/1024/' -e 's/61/65/'
net.ipv4.ip_local_port_range = 1024 65000
[root@localhost ~]# sysctl -a|grep ip_local|sed -e 's/32768/1024/' -e 's/61/65/'>>/etc/sysctl.conf
[root@localhost ~]# sysctl -a|grep rmem_d
net.core.rmem_default = 109568
[root@localhost ~]# sysctl -a|grep rmem_d|sed 's/109568/262144/'
net.core.rmem_default = 262144
[root@localhost ~]# sysctl -a|grep rmem_d|sed 's/109568/262144/'>>/etc/sysctl.conf
[root@localhost ~]# sysctl -a|grep rmem_ma
net.core.rmem_max = 131071
[root@localhost ~]# sysctl -a|grep rmem_ma|sed 's/131071/262144/'
net.core.rmem_max = 262144
[root@localhost ~]# sysctl -a|grep rmem_ma|sed 's/131071/262144/'>>/etc/sysctl.conf
[root@localhost ~]# sysctl -a|grep wmem_ma|sed 's/131071/262144/'>>/etc/sysctl.conf
[root@localhost ~]# sysctl -a|grep wmem_d|sed 's/109568/262144/'>>/etc/sysctl.conf
[root@localhost ~]# sysctl -a|grep file-max
fs.file-max = 102279
[root@localhost ~]# sysctl -a|grep file-max|sed 's/102279/65536/'>>/etc/sysctl.conf
[root@localhost ~]# sysctl -p
net.ipv4.ip_forward = 0
net.ipv4.conf.default.rp_filter = 1
net.ipv4.conf.default.accept_source_route = 0
kernel.sysrq = 0
kernel.core_uses_pid = 1
net.ipv4.tcp_syncookies = 1
kernel.msgmnb = 65536
kernel.msgmax = 65536
kernel.shmmax = 4294967295
kernel.shmall = 268435456
kernel.sem = 250 32000 100 128
net.ipv4.ip_local_port_range = 1024 65000
net.core.rmem_default = 262144
net.core.rmem_max = 262144
net.core.wmem_max = 262144
net.core.wmem_default = 262144
fs.file-max = 65536
[root@localhost ~]# xhost +
access control disabled, clients can connect from any host
linux下卸载oracle数据库：
手工删除：
/etc/ora*
/usr/local/bin/oraenv|dbhome|coraenv
$ORACLE_BASE/
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