New DirectAdmin Prepare

nano /etc/hosts

nano /etc/hostname

systemctl stop systemd-resolved

systemctl disable systemd-resolved

rm /etc/resolv.conf

nano /etc/resolv.conf

# Using Google's and Cloudflare's public DNS servers
nameserver 8.8.8.8
nameserver 1.1.1.1
nameserver 2001:4860:4860::8888
nameserver 2606:4700:4700::1111

* Save and exit

chattr +i /etc/resolv.conf

* Create SWAP if needed

fallocate -l 16G /swapfile

chmod 600 /swapfile

mkswap /swapfile

swapon /swapfile

nano /etc/fstab

# Add this line at the end:

/swapfile swap swap defaults 0 0

# Save and exit

nano /etc/sysctl.conf

# Add or modify this line:

vm.swappiness = 10

# Save and exit

* Check if IPv6 is disabled, enable it only if your server has an ipv6 public ip

nano /etc/sysctl.conf

# Add or modify this line:

net.ipv6.conf.all.disable_ipv6 = 1

net.ipv6.conf.default.disable_ipv6 = 1

net.ipv6.conf.lo.disable_ipv6 = 1

# Save and exit

reboot

apt update && apt upgrade -y

bash <(curl -fsSL https://download.directadmin.com/setup.sh) 'auto'

export DA_EMAIL=webmaster@yourdomain.com

export DA_NS1=ns1.yourdomain.com

export DA_NS2=ns2.yourdomain.com

export DA_HOSTNAME="server.yourdomain.com"

export DA_UNIT=yes

export DA_WEBSERVER=nginx_apache

export DA_CHANNEL=stable

bash <(curl -fsSL https://download.directadmin.com/setup.sh) 'Provided license key should go here'

* Do not reboot !

* Login to DirectAdmin panel to see the background process until it is finished

/usr/local/directadmin/directadmin config-set diradmin_envelope info@server-root-domain.com

* Set php limit;

nano /usr/local/php74/lib/php.conf.d/90-custom.ini

Add the following limits to the file

max_execution_time = 300

max_input_time = -1

max_input_vars = 30000

memory_limit = 768M

post_max_size = 512M

upload_max_filesize = 1000M

* DKIM for hostname

cd /etc/virtual/

mkdir server.yourdomain.com

/usr/local/directadmin/scripts/hostname.sh server.yourdomain.com

cd /usr/local/directadmin/scripts

./dkim_create.sh server.yourdomain.com

* find the DKIM file in /etc/virtual/server.yourdomain.com/dkim.public.key

da config-set one_click_webmail_login 1

nano /etc/aliases

root: webmaster@server-root-domain.com

newaliases

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