# yum install libXxf86vm Step 0.2: Set up X11 forwarding. Install the following 2 packages: # yum install xclock # yum install xauth Log out and log back in as root: # ssh -Y -i <private_key> root@<public_ip> Then verify the X11 forwarding is working: # xclock Note that for Mac users, you need to install XQuartz application on your Mac. Step 0.3: Prepare SELinux. Edit the /etc/selinux/config file and make sure that the following lines exist: >>>>> SELINUX=enforcing SELINUXTYPE=targeted <<<<< Run the following to check SELinux status: # sestatus Alternatively, check the /etc/selinux/conf file. If the settings need to be changed, run the following to change it immediately and temporary: # setenforce 1 Then reboot. Alternatively, modify the /etc/selinux/conf file and reboot. Step 0.4: Create oracle user and associated group. Run the following commands: # useradd oracle # groupadd dba # usermod -a -G dba oracle Set the password for the local user oracle as "oraclepassword". Step 0.3: Grant oracle SSH login.
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Add the following line into the end of the /etc/ssh/sshd_config file: >>>>> AllowUsers root oracle <<<<< Make sure the following line exists: >>>>> PasswordAuthentication yes <<<<< Then, restart the sshd service: # systemctl restart sshd.service Step 0.6: Prepare /etc/sysctl.conf Go to the /etc/sysctl.conf file and make sure the following lines exist: >>>>> kernel.shmmax = 4294967295 kernel.shmall = 2097152 fs.aio-max-nr = 1048576 fs.file-max = 6815744 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 = 1048576 <<<<< If changes are committed, run the following command to make it to take effecr immediately: # sysctl -p Step 0.7: Prepare HBFW. It is stopped by default. Step 0.8: Prepare the /etc/security/limits.conf file. On rhel72x2 as root, edit the /etc/security/limits.conf file and make sure the following lines exit: >>>>> oracle soft nofile 1024 oracle hard nofile 65536 oracle soft nproc 2047 oracle hard nproc 16384 oracle soft stack 10240 oracle hard stack 32768
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<<<<< Reboot. Step 0.9: Prepare the oracle user environment variables. Edit the /home/oracle/.bash_profile file and make sure that the following lines exist: >>>>> ## Oracle Env Settings export TMP=/tmp export TMPDIR=$TMP export ORACLE_HOSTNAME=rhel72.linuxtoys.net export ORACLE_UNQNAME=demo export ORACLE_BASE=/u01/app/oracle export ORACLE_HOME=$ORACLE_BASE/product/12.1.0/db_1/ export ORACLE_SID=demo export PATH=/usr/sbin:$PATH export PATH=$ORACLE_HOME/bin:$PATH export LD_LIBRARY_PATH=$ORACLE_HOME/lib:/lib:/usr/lib export CLASSPATH=$ORACLE_HOME/jlib:$ORACLE_HOME/rdbms/jlib <<<<< Step 0.10: Transfer installer .zip fiels to rhel72x2. Step 0.11: Unzip the .zip files. Run: # unzip linuxamd64_12102_database_1of2.zip # unzip linuxamd64_12102_database_2of2.zip The unzip installer is located in the database sundirectory. Step 0.12: Create swap space. Run: # dd if=/dev/zero of=/swapfile bs=1M count=4096 # mkswap /swapfile # swapon /swapfile
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Step 1: Installation Step 1.1: Create the following directory tree: # mkdir -p /u01/app/oracle/product/12.1.0/db_1 Make sure its ownership is: oracle:dba Step 1.2: log back in as follows: # ssh -Y oracle@rhel72x2 Then, launch the following command: # ./runInstaller Note that you need to log in as oracle from your Mac: $ ssh -Y oracle@<public_ip>
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Note that you need to make sure that the db_1 directory is the directory name.
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The passord is: oracle
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On rhel72 as root, go to the /u01/app/oraInventory directory and then run: >>>>> [root@rhel72 oraInventory]# ./orainstRoot.sh Changing permissions of /u01/app/oraInventory. Adding read,write permissions for group. Removing read,write,execute permissions for world. Changing groupname of /u01/app/oraInventory to oracle. The execution of the script is complete. <<<<< Then, I go to the /u01/app/oracle/product/12.1.0/db_1 directory, and run: >>>>> [root@rhel72 db_1]# ./root.sh Performing root user operation. The following environment variables are set as: ORACLE_OWNER= oracle ORACLE_HOME= /u01/app/oracle/product/12.1.0/db_1 Enter the full pathname of the local bin directory: [/usr/local/bin]: Copying dbhome to /usr/local/bin ... Copying oraenv to /usr/local/bin ... Copying coraenv to /usr/local/bin ... Creating /etc/oratab file...
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Entries will be added to the /etc/oratab file as needed by Database Configuration Assistant when a database is created Finished running generic part of root script. Now product-specific root actions will be performed. <<<<<
Click OK.
Click OK.
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Click OK.
Click Yes. So there is an error during the normal installation processs. On rhel72 as root, I go to the /u01/app/oraInventory/logs directory and check the installActions2017-08-25_06-22-18PM.log file for more details. It contains the following lines: >>>>> INFO: Starting 'Oracle Database Configuration Assistant' INFO: Starting 'Oracle Database Configuration Assistant' INFO: Executing DBCA INFO: Command /u01/app/oracle/product/12.1.0/db_1/bin/dbca -progress_only -createDatabase -templateName General_Purpose.dbc -createAsContainerDatabase true -pdbName pdborcl -
Step 1.4: If you ever get the following error during installtion:
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The root cause of the error is that the oracle user environment is not set up correctly. You need to check the oracle home. Alternatively, run the following command: # cp /u01/app/oracle/product/12.1.0/db_1/javavm/jdk/jdk6/lib/libjavavm12.a /u01/app/oracle/product/12.1.0/db_1/lib/ # cp /u01/app/oracle/product/12.1.0/db_1/javavm/jdk/jdk6/lib/libjavavm12.a /u01/app/oracle/product/12.1.0/db_1/rdbms/lib/ Step 2: Post-installation. Step 2.1: Verify both instance and database. So everything looks fine. But I need to verify both instance and database are fine. On rhel72 as oracle, I launch the sqlplus program as follows: # tnsping orcl Then, I execute the following SQL statement: SQL> select name from v$database; Then, I run the following command to check which process is listening on 1521/tcp: # lsof -i :1521 Them, I run the following command to find out how many connection there are in relation to us01: # netstat -an | grep -i :1521 Then, I run the following commnnd to find out the Net listener: # lsnrctl status Step 2.2: Sometimes, if you need to abort the installation, and then install from the scratch again, you need to delete the entire directories: /u01/app/oraInventory diretcory and some other directories if necessary.
