Ubuntu 20.04 How to Fix Oracle 12c Database R2 Libraries Linking Issues

GNU/Linux Ubuntu 20.04 Fixing Oracle 12c Database R2 Libraries Linking Issue The tutorial shows you step-by-step How to Solve the Oracle 12c Database Installation on Ubuntu 20.04 Focal LTS Amd64 GNU/Linux desktop - Step by step Tutorial. Now you have 2 Choices for Solving Oracle 12c Database Ubuntu 20.04 Installation Issue: Download & Execute Fixing Script Execute One by One the Commands on Terminal 1. Downloading Script Download Oracle 12c DB R2 Fixing Script Grab Oracle 12c R2 Script Solving Oracle 12c R2 DB Linking Issues. Grab fixOracle12DbR2LibLink.sh. Right-Click over the Raw content and Choose "Save as..."! 2. Running Script Now to Execute the Script First, as a precaution Check if $ORACLE_HOME is properly Set with: echo $ORACLE_HOME If Not then go Back and follow the PATH Setup instructions. Then simply play on the Terminal window: sudo sh ~/Downloads/fixOracle12DbR2LibLink.sh But if you are in Trouble to Find the Location on Terminal then See: How to Access Downloads Folder from Browser. 1. Running Commands Manually Executing Commands on Shell So else run one-by-one all these Commands: export $ORACLE_HOME/u01/app/oracle/product/12/dbhome_1 Modify the Above Value if you Installed into another Path... sudo ln -s \$ORACLE_HOME/lib/libclntshcore.so.12.1 /usr/lib sudo ln -s \$ORACLE_HOME/lib/libclntsh.so.12.1 /usr/lib cp \$ORACLE_HOME/rdbms/lib/ins_rdbms.mk \$ORACLE_HOME/rdbms/lib/ins_rdbms.bkp cp \$ORACLE_HOME/rdbms/lib/env_rdbms.mk \$ORACLE_HOME/rdbms/lib/env_rdbms.bkp sed -i 's/\$(ORAPWD_LINKLINE)/\$(ORAPWD_LINKLINE) -lnnz12/' \$ORACLE_HOME/rdbms/lib/ins_rdbms.mk sed -i 's/\$(HSOTS_LINKLINE)/\$(HSOTS_LINKLINE) -lagtsh/' \$ORACLE_HOME/rdbms/lib/ins_rdbms.mk sed -i 's/\$(EXTPROC_LINKLINE)/\$(EXTPROC_LINKLINE) -lagtsh/' \$ORACLE_HOME/rdbms/lib/ins_rdbms.mk sed -i 's/\$(OPT) \$(HSOTSMAI)/\$(OPT) -Wl,--no-as-needed \$(HSOTSMAI)/' \$ORACLE_HOME/rdbms/lib/env_rdbms.mk sed -i 's/\$(OPT) \$(HSDEPMAI)/\$(OPT) -Wl,--no-as-needed \$(HSDEPMAI)/' \$ORACLE_HOME/rdbms/lib/env_rdbms.mk sed -i 's/\$(OPT) \$(EXTPMAI)/\$(OPT) -Wl,--no-as-needed \$(EXTPMAI)/' \$ORACLE_HOME/rdbms/lib/env_rdbms.mk sed -i 's/^$TNSLSNR_LINKLINE.*\$(TNSLSNR_OFILES)$ $\$(LINKTTLIBS)$/\1 -Wl,--no-as-needed \2/g' \$ORACLE_HOME/network/lib/env_network.mk sed -i 's/\$(SPOBJS) \$(LLIBSERVER)/\$(SPOBJS) -Wl,--no-as-needed \$(LLIBSERVER)/' \$ORACLE_HOME/rdbms/lib/env_rdbms.mk sed -i 's/\$(S0MAIN) \$(SSKFEDED)/\$(S0MAIN) -Wl,--no-as-needed \$(SSKFEDED)/' \$ORACLE_HOME/rdbms/lib/env_rdbms.mk sed -i 's/\$(S0MAIN) \$(SSKFODED)/\$(S0MAIN) -Wl,--no-as-needed \$(SSKFODED)/' \$ORACLE_HOME/rdbms/lib/env_rdbms.mk sed -i 's/\$(S0MAIN) \$(SSKFNDGED)/\$(S0MAIN) -Wl,--no-as-needed \$(SSKFNDGED)/' \$ORACLE_HOME/rdbms/lib/env_rdbms.mk sed -i 's/\$(S0MAIN) \$(SSKFMUED)/\$(S0MAIN) -Wl,--no-as-needed \$(SSKFMUED)/' \$ORACLE_HOME/rdbms/lib/env_rdbms.mk sed -i 's/^$ORACLE_LINKLINE.*\$(ORACLE_LINKER)$ $$(PL_FLAGS)$/\1 -Wl,--no-as-needed \2/g' \$ORACLE_HOME/rdbms/lib/env_rdbms.mk sed -i 's/\$LD \$LD_RUNTIME/$LD -Wl,--no-as-needed \$LD_RUNTIME/' \$ORACLE_HOME/bin/genorasdksh sed -i 's/\$(GETCRSHOME_OBJ1) \$(OCRLIBS_DEFAULT)/\$(GETCRSHOME_OBJ1) -Wl,--no-as-needed \$(OCRLIBS_DEFAULT)/' \$ORACLE_HOME/srvm/lib/env_srvm.mk sed -i 's/LDDISABLENEWDTAGS-Wl,--disable-new-dtags/LDDISABLENEWDTAGS-Wl,--no-as-needed,--disable-new-dtags/' \$ORACLE_HOME/rdbms/lib/env_rdbms.mk sed -i 's/LDDISABLENEWDTAGS-Wl,--disable-new-dtags/LDDISABLENEWDTAGS-Wl,--no-as-needed,--disable-new-dtags/' \$ORACLE_HOME/crs/lib/env_has.mk; sed -i 's/LDDISABLENEWDTAGS-Wl,--disable-new-dtags/LDDISABLENEWDTAGS-Wl,--no-as-needed,--disable-new-dtags/' \$ORACLE_HOME/odbc/lib/env_odbc.mk; sed -i 's/LDDISABLENEWDTAGS-Wl,--disable-new-dtags/LDDISABLENEWDTAGS-Wl,--no-as-needed,--disable-new-dtags/' \$ORACLE_HOME/precomp/lib/env_precomp.mk; sed -i 's/LDDISABLENEWDTAGS-Wl,--disable-new-dtags/LDDISABLENEWDTAGS-Wl,--no-as-needed,--disable-new-dtags/' \$ORACLE_HOME/srvm/lib/env_srvm.mk; sed -i 's/LDDISABLENEWDTAGS-Wl,--disable-new-dtags/LDDISABLENEWDTAGS-Wl,--no-as-needed,--disable-new-dtags/' \$ORACLE_HOME/network/lib/env_network.mk; sed -i 's/LDDISABLENEWDTAGS-Wl,--disable-new-dtags/LDDISABLENEWDTAGS-Wl,--no-as-needed,--disable-new-dtags/' \$ORACLE_HOME/ldap/lib/env_ldap.mk; sed -i 's/LDDISABLENEWDTAGS-Wl,--disable-new-dtags/LDDISABLENEWDTAGS-Wl,--no-as-needed,--disable-new-dtags/' \$ORACLE_HOME/ord/im/lib/env_ordim.mk; sed -i 's/LDDISABLENEWDTAGS-Wl,--disable-new-dtags/LDDISABLENEWDTAGS-Wl,--no-as-needed,--disable-new-dtags/' \$ORACLE_HOME/plsql/lib/env_plsql.mk; sed -i 's/LDDISABLENEWDTAGS-Wl,--disable-new-dtags/LDDISABLENEWDTAGS-Wl,--no-as-needed,--disable-new-dtags/' \$ORACLE_HOME/ctx/lib/env_ctx.mk; sed -i 's/LDDISABLENEWDTAGS-Wl,--disable-new-dtags/LDDISABLENEWDTAGS-Wl,--no-as-needed,--disable-new-dtags/' \$ORACLE_HOME/sqlplus/lib/env_sqlplus.mk;