Install Let's Encrypt SSL with Certbot (Apache) on OpenBSD 7.5

Step 1 – Install

pkgin install py310-certbot py310-certbot-apache 2>/dev/null || pkg_add certbot

Step 2 – Obtain and install

certbot --apache -d example.com -d www.example.com

Step 3 – Verify

apachectl configtest && systemctl...

Install Let's Encrypt SSL with Certbot (Apache) on RHEL 9

Step 1 – Install

subscription-manager repos --enable codeready-builder-for-rhel-9-$(arch)-rpms
dnf install -y certbot python3-certbot-apache

Step 2 – Obtain and install

certbot --apache -d example.com -d www.example.com

Step 3 – Ver

Install Let's Encrypt SSL with Certbot (Apache) on Ubuntu 24.04

Step 1 – Install

apt update && apt upgrade -y
apt install -y certbot python3-certbot-apache

Step 2 – Obtain and install

certbot --apache -d example.com -d www.example.com

Step 3 – Verify

apachectl configtest && systemctl rel...

Install Let's Encrypt SSL with Certbot (Nginx) on AlmaLinux 9

Step 1 – Install Certbot + Nginx plugin

dnf install epel-release -y
dnf install -y certbot python3-certbot-nginx

Step 2 – Obtain certificate

certbot --nginx -d example.com -d www.example.com

Certbot modifies Nginx config and opt...

Install Let's Encrypt SSL with Certbot (Nginx) on Arch Linux

Step 1 – Install Certbot + Nginx plugin

pacman -S --noconfirm certbot certbot-nginx

Step 2 – Obtain certificate

certbot --nginx -d example.com -d www.example.com

Certbot modifies Nginx config and optionally redirects HTTP to HTTP...

Install Let's Encrypt SSL with Certbot (Nginx) on Debian 12

Step 1 – Install Certbot + Nginx plugin

apt update && apt upgrade -y
apt install -y certbot python3-certbot-nginx

Step 2 – Obtain certificate

certbot --nginx -d example.com -d www.example.com

Certbot modifies Nginx config and opti...

Install Let's Encrypt SSL with Certbot (Nginx) on Gentoo Linux

Step 1 – Install Certbot + Nginx plugin

emerge --ask app-crypt/certbot app-crypt/certbot-nginx

Step 2 – Obtain certificate

certbot --nginx -d example.com -d www.example.com

Certbot modifies Nginx config and optionally redirects...

Install Let's Encrypt SSL with Certbot (Nginx) on NetBSD 10

Step 1 – Install Certbot + Nginx plugin

pkgin install py310-certbot py310-certbot-nginx

Step 2 – Obtain certificate

certbot --nginx -d example.com -d www.example.com

Certbot modifies Nginx config and optionally redirects HTTP to H...

Install Let's Encrypt SSL with Certbot (Nginx) on OpenBSD 7.5

Step 1 – Install Certbot + Nginx plugin

pkg_add certbot py3-certbot-nginx

Step 2 – Obtain certificate

certbot --nginx -d example.com -d www.example.com

Certbot modifies Nginx config and optionally redirects HTTP to HTTPS.

Step

Install Let's Encrypt SSL with Certbot (Nginx) on RHEL 9

Step 1 – Install Certbot + Nginx plugin

subscription-manager repos --enable codeready-builder-for-rhel-9-$(arch)-rpms
dnf install -y certbot python3-certbot-nginx

Step 2 – Obtain certificate

certbot --nginx -d example.com -d www.exampl...

Install Let's Encrypt SSL with Certbot (Nginx) on Ubuntu 24.04

Step 1 – Install Certbot + Nginx plugin

apt update && apt upgrade -y
apt install -y certbot python3-certbot-nginx

Step 2 – Obtain certificate

certbot --nginx -d example.com -d www.example.com

Certbot modifies Nginx config and o...

Install MariaDB on AlmaLinux 9

Step 1 – Install and secure

dnf install -y mariadb-server
systemctl enable --now mariadb
mysql_secure_installation

Step 2 – Create database and user

CREATE DATABASE appdb CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci;
CREATE USER 'appuser'@'localhost' IDENTI...

Install MariaDB on Arch Linux

Step 1 – Install and secure

pacman -S --noconfirm mariadb
mariadb-install-db --user=mysql --basedir=/usr --datadir=/var/lib/mysql
systemctl enable --now mariadb
mysql_secure_installation

Step 2 – Create database and user

CREATE DATABASE appdb CHARACTER SET utf8m...

Install MariaDB on Debian 12

Step 1 – Install and secure

apt update && apt upgrade -y
apt install -y mariadb-server
systemctl enable --now mariadb
mysql_secure_installation

Step 2 – Create database and user

CREATE DATABASE appdb CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci;
CREATE USER '...

Install MariaDB on Gentoo Linux

Step 1 – Install and secure

emerge --ask dev-db/mariadb
emerge --config dev-db/mariadb
rc-update add mariadb default && rc-service mariadb start
mysql_secure_installation

Step 2 – Create database and user

CREATE DATABASE appdb CHARACTER SET utf8mb4 COLLATE utf...

Install MariaDB on NetBSD 10

Step 1 – Install and secure

pkgin install mariadb-server
mysql_install_db --user=mysql
echo 'mysqld=YES' >> /etc/rc.conf && service mysqld start
mysql_secure_installation

Step 2 – Create database and user

CREATE DATABASE appdb CHARACTER SET utf8mb4 COLLATE utf8mb...

Install MariaDB on OpenBSD 7.5

Step 1 – Install and secure

pkg_add mariadb-server
mysql_install_db
rcctl enable mysqld && rcctl start mysqld
mysql_secure_installation

Step 2 – Create database and user

CREATE DATABASE appdb CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci;
CREATE USER 'appuse...

Install MariaDB on RHEL 9

Step 1 – Install and secure

dnf install -y mariadb-server
systemctl enable --now mariadb
mysql_secure_installation

Step 2 – Create database and user

CREATE DATABASE appdb CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci;
CREATE USER 'appuser'@'localhost' IDENTIFIED...

Install MariaDB on Ubuntu 24.04

Step 1 – Install and secure

apt update && apt upgrade -y
apt install -y mariadb-server
systemctl enable --now mariadb
mysql_secure_installation

Step 2 – Create database and user

CREATE DATABASE appdb CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci;
CREATE USE...

Install Memcached on AlmaLinux 9

Step 1 – Install

dnf install -y memcached
systemctl enable --now memcached

Step 2 – Configure (/etc/sysconfig/memcached)

-l 127.0.0.1   # listen on localhost only
-m 256         # memory (MB)
-c 1024        # max connections
-t 4           # threads

Step

Install Memcached on Arch Linux

Step 1 – Install

pacman -S --noconfirm memcached
systemctl enable --now memcached

Step 2 – Configure (/etc/memcached.conf)

-l 127.0.0.1   # listen on localhost only
-m 256         # memory (MB)
-c 1024        # max connections
-t 4           # threads

Step

Install Memcached on Debian 12

Step 1 – Install

apt install -y memcached libmemcached-tools
systemctl enable --now memcached

Step 2 – Configure (/etc/memcached.conf)

-l 127.0.0.1   # listen on localhost only
-m 256         # memory (MB)
-c 1024        # max connections
-t 4           # thr...

Install Memcached on Gentoo Linux

Step 1 – Install

emerge --ask net-misc/memcached
rc-update add memcached default && rc-service memcached start

Step 2 – Configure (/etc/conf.d/memcached)

-l 127.0.0.1   # listen on localhost only
-m 256         # memory (MB)
-c 1024        # max connection...

Install Memcached on NetBSD 10

Step 1 – Install

pkgin install memcached
echo 'memcached=YES' >> /etc/rc.conf && service memcached start

Step 2 – Configure (/usr/pkg/etc/memcached.conf)

-l 127.0.0.1   # listen on localhost only
-m 256         # memory (MB)
-c 1024        # max connections
-...