Install Oracle 12C Release 1 (12.1) on Centos Linux 7 linuxamd64_12c_database_1of2.zip linuxamd64_12c_database_2of2.zip su - root
The “/etc/hosts” file must contain a fully qualified name for the server. 127.0.0.1 centos7 centos7.dbaora.com localhost.localdomain localhost
Set hostname hostnamectl set-hostname centos7.dbaora.com --static
Add groups #groups for database management /usr/sbin/groupadd -g 501 oinstall /usr/sbin/groupadd -g 502 dba /usr/sbin/groupadd -g 503 oper
Add user Oracle for database software /usr/sbin/useradd -u 501 -g oinstall -G dba,oper oracle
Change password for user Oracle passwd oracle
Disable secure linux by editing the “/etc/selinux/config” file, making sure the SELINUX flag is set as follows. It requires REBOOT to be effective !!! SELINUX=permissive
Packages Check which packages are installed and which are missing binutils gcc gcc-c++ glibc glibc-common glibc-devel glibc-headers ksh libaio \ libaio-devel \ libgcc \ libstdc++ \ libstdc++-devel \ libXext \ libXtst \ libX11 \ libXau \ libXi \ make \ sysstat \ unixODBC \ unixODBC-devel \ zlib-devel \ compat-libcap1 \ compat-libstdc++-33
In my case it returns following binutils-2.23.52.0.1-12.el7(x86_64) gcc-4.8.2-3.el7(x86_64) gcc-c++-4.8.2-3.el7(x86_64) glibc-2.17-36.el7(x86_64) glibc-common-2.17-36.el7(x86_64) glibc-devel-2.17-36.el7(x86_64) glibc-headers-2.17-36.el7(x86_64) package ksh is not installed libaio-0.3.109-9.el7(x86_64) package libaio-devel is not installed libgcc-4.8.2-3.el7(x86_64) libstdc++-4.8.2-3.el7(x86_64)
libstdc++-devel-4.8.2-3.el7(x86_64) libXext-1.3.2-1.el7(x86_64) libXtst-1.2.2-1.el7(x86_64) libX11-1.6.0-1.el7(x86_64) libXau-1.0.8-1.el7(x86_64) libXi-1.7.2-1.el7(x86_64) make-3.82-19.el7(x86_64) sysstat-10.1.5-1.el7(x86_64) package unixODBC is not installed package unixODBC-devel is not installed package zlib-devel is not installed package compat-libcap1 is not installed package compat-libstdc++-33 is not installed
You need to install missing from dvd. Just mount it and install missing packages using rpm -Uvh command from directory <mount dvd>/Packages. NOTE – I’m using x86_64 version of packages rpm rpm rpm rpm rpm rpm
-Uvh -Uvh -Uvh -Uvh -Uvh -Uvh
libaio-devel*.x86_64.rpm unixODBC*.x86_64.rpm zlib-devel*.x86_64.rpm ksh*.x86_64.rpm compat-libcap1*.x86_64.rpm compat-libstdc++-33*.x86_64.rpm
Add kernel parameters to /etc/sysctl.conf # kernel parameters for 12gR1 installation fs.file-max = 6815744 kernel.sem = 250 32000 100 128 kernel.shmmni = 4096 kernel.shmall = 1073741824 kernel.shmmax = 4398046511104 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.ip_local_port_range = 9000 65500
Apply kernel parameters /sbin/sysctl -p
Add following lines to set shell limits for user oracle in file /etc/security/limits.conf # shell limits for users oracle 12gR1 oracle oracle oracle oracle oracle oracle
soft hard soft hard soft hard
nofile nofile nproc nproc stack stack
1024 65536 2047 16384 10240 32768
Additional steps Create .bash_profile for user oracle # Oracle Settings export TMP=/tmp export ORACLE_HOSTNAME=centos7.dbaora.com export ORACLE_UNQNAME=ORA12C export ORACLE_BASE=/ora01/app/oracle export ORACLE_HOME=$ORACLE_BASE/product/12.1.0/db_1 export ORACLE_SID=ORA12C
PATH=/usr/sbin:$PATH:$ORACLE_HOME/bin export LD_LIBRARY_PATH=$ORACLE_HOME/lib:/lib:/usr/lib; export CLASSPATH=$ORACLE_HOME/jlib:$ORACLE_HOME/rdbms/jlib; alias alias alias alias
cdob='cd $ORACLE_BASE' cdoh='cd $ORACLE_HOME' tns='cd $ORACLE_HOME/network/admin' envo='env | grep ORACLE'
umask 022 envo
Directory structure Create directory structure as user root ORACLE_BASE – /ora01/app/oracle ORACLE_HOME – /ora01/app/oracle/product/12.1.0/db_1 mkdir -p /ora01/app/oracle/product/12.1.0/db_1 chown oracle:oinstall -R /ora01
In Oracle Enterprise Linux 7 /tmp data is stored on tmpfs which consumes memory and is too small. To revert it back to storage just run following command and REBOOT machine to be effective. systemctl mask tmp.mount
Install database software Let’s start with database software installation as oracle user. su - oracle --unizp software it will create directory "database" --where you can find installation software unzip linuxamd64_12c_database_1of2.zip unzip linuxamd64_12c_database_2of2.zip --I defined 4 aliases in .bash_profile of user oracle to make --administration heaven :) [oracle@centos7 ~]$ alias envo cdob cdoh tns alias envo='env | grep ORACLE' alias cdob='cd $ORACLE_BASE' alias cdoh='cd $ORACLE_HOME' alias tns='cd $ORACLE_HOME/network/admin' --run alias command envo to display environment settings envo ORACLE_UNQNAME=ORA12C ORACLE_SID=ORA12C ORACLE_BASE=/ora01/app/oracle ORACLE_HOSTNAME=centos7.dbaora.com ORACLE_HOME=/ora01/app/oracle/product/12.1.0/db_1 --run alias command cdob and cdoh --to check ORACLE_BASE, ORACLE_HOME [oracle@centos7 ~]$ cdob [oracle@centos7 oracle]$ pwd /ora01/app/oracle [oracle@centos7 db_1]$ cdoh [oracle@centos7 db_1]$ pwd /ora01/app/oracle/product/12.1.0/db_1 --run installation from "database" directory ./runInstall
1. Uncheck checkbox “I wish to receive security updates via My Oracle Support” and then click “Next” button.
2. Ignore following message and click “Yes” button.
3. Select “Skip software updates” and click “Next” button.
4. Ignore following message. Just click “Yes” button.
5. Select “Create and configure a database” then click “Next” button.
6. Select “Desktop Class” and click “Next” button.
7. On the screen you need to define global database name and pluggable database name. Rest of options you can keep default. Then click “Next” button.
8. Accept default settings then click “Next” button.
9. Summary screen just before installation. It’s the last moment to make changes in previous steps. If you are ready click “Install” button.
10. Installation begins …
11. Unfortunately I received error during binaries linking
in log you should see /usr/bin/ld: note: '__tls_get_addr@@GLIBC_2.3' is defined in DSO /lib64/ld-linux-x86-64.so.2 so try adding it to the linker command line /lib64/ld-linux-x86-64.so.2: could not read symbols: Invalid operation INFO: collect2: error: ld returned 1 exit status
12. To solve this problem do following as user Oracle remove directory /ora01/app/oracle/product/12.1.0/db_1/lib/stubs rm -rf /ora01/app/oracle/product/12.1.0/db_1/lib/stubs
backup file $ORACLE_HOME/rdbms/lib/env_rdbms.mk cd $ORACLE_HOME/rdbms/lib/ cp env_rdbms.mk env_rdbms.mk.bck
make changes in $ORACLE_HOME/rdbms/lib/env_rdbms.mk modify line 176 LINKTTLIBS=$(LLIBCLNTSH) $(ORACLETTLIBS) $(LINKLDLIBS)
to LINKTTLIBS=$(LLIBCLNTSH) $(ORACLETTLIBS) $(LINKLDLIBS) -lons
modify line 279 and 280 LINK=$(FORT_CMD) $(PURECMDS) $(ORALD) $(LDFLAGS) $(COMPSOBJS) LINK32=$(FORT_CMD) $(PURECMDS) $(ORALD) $(LDFLAGS32) $(COMPSOBJS)
to LINK=$(FORT_CMD) $(PURECMDS) $(ORALD) $(LDFLAGS) $(COMPSOBJS) -Wl,--no-as-needed LINK32=$(FORT_CMD) $(PURECMDS) $(ORALD) $(LDFLAGS32) $(COMPSOBJS) -Wl,--no-as-needed
modify line 3041 and 3042 TG4PWD_LINKLINE= $(LINK) $(OPT) $(TG4PWDMAI) \ $(LLIBTHREAD) $(LLIBCLNTSH) $(LINKLDLIBS)
to TG4PWD_LINKLINE= $(LINK) $(OPT) $(TG4PWDMAI) \ $(LLIBTHREAD) $(LLIBCLNTSH) $(LINKLDLIBS) -lnnz12
Once it’s done click “Retry” button on screen from point 11 to continue with installation. Linking should finish properly and binaries installation should continue. 13. In the end you will be asked to run as root two scripts. Once they are completed click “OK” button – installation will proceed. /ora01/app/oraInventory/orainstRoot.sh /ora01/app/oracle/product/12.1.0/db_1/root.sh
18. Once binaries are installed automatically DBCA (database configuration assistant) will start to create new database.
19. You should see summary screen for your database. You can click “Password Management” to unlock and change passwords for default account. Click “OK” button.
20. Installation is finished. Click “Close” button.
21. Post installation steps Edit the “/etc/oratab” file to set restart flag for ORA12C to ‘Y’. ORA12C:/u01/app/oracle/product/12.1.0/db_1:Y