Oracle 19c relink all error "Some requirement checks failed. You must fulfill these requirements before continuing with the installation"

 [oracle@dbhost1 db]$ relink all

writing relink log to: /u01/db/install/relinkActions2022-02-07_12-35-10PM.log

[oracle@dbhost1 db]$ tail -f /u01/db/install/relinkActions2022-02-07_12-35-10PM.log

Starting Oracle Universal Installer...

Checking swap space: 0 MB available, 500 MB required.    Failed <<<<

Some requirement checks failed. You must fulfill these requirements before continuing with the installation,

Exiting Oracle Universal Installer, log for this session can be found at /u01/app/oraInventory/logs/installActions2022-02-07_12-35-10PM.log

How to fix the issue:

Option 1: add more space swap to meet Oracle 19c prerequisites.

Option 2: ignore the prerequisites, which is perfectly fine for my testing.

Manually edit the file "$ORACLE_HOME/bin/relink"

Navigate to line 206:

Change From:

ARGS="-relink -waitForCompletion -maketargetsxml $MAKEORDER $LOGDIR_ARG ORACLE_HOME=$ORACLE_HOME     ${TIMESTAMP_ARG}"

To:

ARGS="-ignoreSysPrereqs -relink -waitForCompletion -maketargetsxml $MAKEORDER $LOGDIR_ARG ORACLE_HOME=$ORACLE_HOME     ${TIMESTAMP_ARG}"