my.cnf - Note, I want to be using MyISAM, not InnoDB.  I see that InnoDB is still listed throughout this file and my sql queries, but I don't think it's being used.  Also, I did not make all of this myself, I stole most of it off the internet years ago.  It worked for RHEL 7.
-------------------------
[mysqld]
datadir=/outsql/mysql
socket=/var/lib/mysql/mysql.sock
skip-grant-tables
default-storage-engine=MyISAM
bind-address=0.0.0.0
sql-mode='NO_ENGINE_SUBSTITUTION'
symbolic-links=0
character-set-server=utf8
collation-server=utf8_general_ci
columnstore-use-import-for-batchinsert=ALWAYS
performance_schema=ON
skip-innodb
[mysqld_safe]
log-error=/var/log/mariadb/mariadb.log
pid-file=/var/run/mariadb/mariadb.pid
[client]
socket=/var/lib/mysql/mysql.sock
[mariadb]
log_error=mariadb.err
character_set_server=utf8
plugin_load_add=metadata_lock_info
!includedir /etc/my.cnf.d
-------------------------

SHOW ENGINES;
Engine              | Support   | Transactions  | XA    | Savepoints
---------------------------------------------------------------------
Columnstore         | YES       | YES           | NO    | NO        |
MRG_MyISAM          | YES       | NO            | NO    | NO        |
MEMORY              | YES       | NO            | NO    | NO        |
Aria                | YES       | NO            | NO    | NO        |
MyISAM              | DEFAULT   | NO            | NO    | NO        |
SEQUENCE            | YES       | YES           | NO    | YES       |
InnoDB              | YES       | YES           | YES   | YES       |
PERFORMANCE_SCHEMA  | YES       | NO            | NO    | NO        |
CSV                 | YES       | NO            | NO    | NO        |
---------------------------------------------------------------------



SHOW GLOBAL STATUS; - Note, this returned ~570 lines on my unintentionally airgapped machine.  I've selected some of the largest numbers.  There were no entries with MyISAM in this table, but there were a few with InnoDB.
Variable Name               | Value
---------------------------------------------------------------------
wsrep_cluster_conf_id       | 18446744073709551615
wsrep_local_index           | 18446744073709551615
Bytes_received              | 273239125724
Bytes_sent                  | 188061508716
Rows_read                   | 109705313104
Handler_read_next           | 52125598494
Handler_read_key            | 40182624911
Handler_read_rnd_next       | 33582173647
Handler_write               | 26332091055
Key_read_requests           | 18917763105
Handler_tmp_write           | 5183619407
Key_write_requests          | 4098350379
Rows_tmp_read               | 3951632540
Innodb_lsn_flushed          | 3172273491
Innodb_lsn_current          | 3172273491
Innodb_lsn_last_checkpoint  | 3172273479
Table_open_cache_misses     | 2651238344
Handler_read_rnd            | 2015970912
Sort_rows                   | 2015619954
Handler_tmp_update          | 1495832112
Rows_sent                   | 1165867242
Memory_used                 | 970494080
---------------------------------------------------------------------



SHOW VARIABLES; - Note, this returned ~680 lines, so here are some of the largest numeric results, and some things that might be helpful.
Variable Name               | Value
---------------------------------------------------------------------
tmp_disk_table_size         | 18446744073709551615
sql_select_limit            | 18446744073709551615
myisam_mmap_size            | 18446744073709551615
max_session_mem_used        | 9223372036854775807
max_join_size               | 18446744073709551615
max_binlog_stmt_cache_size  | 18446744073709547520
max_binlog_cache_size       | 18446744073709547520
myisam_max_sort_file_size   | 9223372036853727232
aria_max_sort_file_size     | 9223372036853727232
key_buffer_size             | 134217728
default_storage_engine      | MyISAM
myisam_use_mmap             | OFF
storage_engine              | MyISAM
myisam_block_size           | 1024
key_cache_block_size        | 1024
version                     | 10.5.22-MariaDB
have_query_cache            | YES
---------------------------------------------------------------------