viやvimで日本語が文字化けする場合の対処方法【CentOS 7】
Webmin
https://qiita.com/SkyLaptor/items/45081c23ebee09247626
https://singoro.net/note/centos-webmin/
http://perl.no-tubo.net/2012/09/26/%E3%82%B5%E3%83%BC%E3%83%90%E3%81%AE%E7%8A%B6%E6%85%8B%E3%82%92%E3%82%B0%E3%83%A9%E3%83%95%E8%A1%A8%E7%A4%BA%E3%80%82webmin%E3%81%A7%E4%BE%BF%E5%88%A9%E3%81%AA%E3%83%A2%E3%82%B8%E3%83%A5%E3%83%BC/
MariaDb
https://qiita.com/ys-0-sy/items/f7e316f8dd84a386e82e
https://github.com/major/MySQLTuner-perl
https://qiita.com/mamy1326/items/9c5eaee3c986cff65a55
https://dba.stackexchange.com/questions/122964/how-to-set-slow-query-log-in-mariadb-my-cnf
drupal8
http://yabu-sw.hateblo.jp/entry/2017/09/24/004330
PHP
https://qiita.com/kyophp/items/0110d4307eff747c7092
https://weblabo.oscasierra.net/php-opcache/
https://sys-guard.com/post-13742/
https://ameblo.jp/itboy/entry-12037311053.html
[otsubo@tk2-215-17012 ~]$ sudo find / -name opcache.so -print
/opt/remi/php72/root/usr/lib64/php/modules/opcache.so
WebAnalizer
http://centos.server-manual.com/centos5_webalizer.html
https://www.server-memo.net/server-setting/webalizer/src-install.html
SQLツール