certbot instructions
참고 사이트 : https://certbot.eff.org/instructions
For Apache on CentOS 7

[root@localhost ~]# yum install snapd
[root@localhost ~]# systemctl start snapd
[root@localhost ~]# snap install core; snap refresh core
[root@localhost ~]# systemctl status snapd
● snapd.service - Snap Daemon
   Loaded: loaded (/usr/lib/systemd/system/snapd.service; disabled; vendor preset: disabled)
   Active: active (running) since 수 2023-03-15 17:58:59 KST; 6min ago
[root@localhost ~]# systemctl restart snapd
[root@localhost ~]# snap install --classic certbot
error: cannot install "certbot": classic confinement requires snaps under /snap or symlink from
       /snap to /var/lib/snapd/snap
[root@localhost ~]# ln -s /var/lib/snapd/snap /snap
[root@localhost ~]# snap install --classic certbot
Warning: /var/lib/snapd/snap/bin was not found in your $PATH. If you've not restarted your session
         since you installed snapd, try doing that. Please see https://forum.snapcraft.io/t/9469
         for more details.

certbot 2.4.0 from Certbot Project (certbot-eff✓) installed

Apache, MariaDB, PHP 설치

[root@localhost ~]# yum install httpd
[root@localhost ~]# yum install libjpeg* libpng* freetype* gd-* gdbm-devel libtermcap-devel pcre-devel mod_ssl

MPM 유형 확인
[root@localhost ~]# apachectl -V | grep MPM
[root@localhost ~]# vi /etc/httpd/conf.modules.d/00-mpm.conf
# MPM 유형 이벤트 모듈로 변경
LoadModule mpm_event_module modules/mod_mpm_event.so

[root@localhost ~]# apachectl -V | grep MPM
Server MPM:     event

[root@localhost ~]# httpd -v
Server version: Apache/2.4.6 (CentOS)
Server built:   Jan 27 2023 17:36:29

[root@localhost ~]# firewall-cmd --permanent --zone=public --add-service=http
[root@localhost ~]# firewall-cmd --permanent --zone=public --add-service=https
[root@localhost ~]# firewall-cmd --reload
[root@localhost ~]# systemctl start httpd
[root@localhost ~]# systemctl status httpd
[root@localhost ~]# systemctl enable httpd

[root@localhost ~]# vi /etc/yum.repos.d/MariaDB.repo
# MariaDB 10.11 CentOS repository list - created 2023-03-15 08:21 UTC
# https://mariadb.org/download/
[mariadb]
name = MariaDB
# rpm.mariadb.org is a dynamic mirror if your preferred mirror goes offline. See https://mariadb.org/mirrorbits/ for details.
# baseurl = https://rpm.mariadb.org/10.11/centos/$releasever/$basearch
baseurl = https://tw1.mirror.blendbyte.net/mariadb/yum/10.11/centos/$releasever/$basearch
module_hotfixes = 1
# gpgkey = https://rpm.mariadb.org/RPM-GPG-KEY-MariaDB
gpgkey = https://tw1.mirror.blendbyte.net/mariadb/yum/RPM-GPG-KEY-MariaDB
gpgcheck = 1
[root@localhost ~]# chcon system_u:object_r:system_conf_t:s0 /etc/yum.repos.d/MariaDB.repo
[root@localhost ~]# yum list | grep Maria
[root@localhost ~]# yum install MariaDB-server MariaDB-client