diff --git a/setup-01.md b/setup-01.md
new file mode 100644
index 0000000..d5684f9
--- /dev/null
+++ b/setup-01.md
@@ -0,0 +1,100 @@
+# acCrocRadio setup Sistema
+
+## DNS
+
+DNS-zone presso il registrar
+
+esempio: accroc.radio
+
+```
+* 10800 IN A 10.000.00.001
+@ 10800 IN A 10.000.00.001
+wiki 10800 IN CNAME accroc.radio.
+ac 10800 IN CNAME accroc.radio.
+wp 10800 IN CNAME accroc.radio.
+www 10800 IN CNAME accroc.radio.
+```
+
+## Installazione
+
+Debian 10
+
+> apt update ; apt upgrade ; apt clean
+
+> apt install sudo ssh screen net-tools htop strace ntp ufw figlet apg wipe
+> apt install curl git apt-transport-https tmux byobu man elinks grc dnsutils
+> apt install fish tree zip nmap rsync mutt logwatch rkhunter
+
+## Hostname
+
+> hostnamectl set-hostname croco
+
+> figlet: figlet cRoc > /etc/motd
+
+## Firewall
+
+```
+ufw default deny incoming
+ufw default allow outgoing
+ufw allow ssh
+ufw allow 80, 443, 2022, 8000, 8005
+ufw enable
+```
+
+Consigliato: cambiare porta sshd, abilitare ssh login passwordless
+
+## Time
+
+> dpkg-reconfigure tzdata
+
+Europe/Rome
+
+## Dotfiles
+
+~/.bashrc
+
+```
+alias rm='rm -i'
+alias cp='cp -i'
+alias mv='mv -i'
+alias docker='grc docker'
+```
+
+~/.nanorc
+
+```
+syntax "all" "[\.]*$"
+color green "^#.*$"
+set tabsize 4
+set tabstospaces
+```
+
+## Mailserver
+
+> apt install postfix
+
+Posta solo locale.
+
+Per riconfigurare:
+
+> dpkg-reconfigure postfix
+
+## SWAP
+
+> free -h
+> fallocate -l 2G /swapfile
+> ls -lh /swapfile
+> chmod 600 /swapfile
+> mkswap /swapfile
+> swapon /swapfile
+> swapon --show
+> sudo cp /etc/fstab /etc/fstab.bak
+> echo '/swapfile none swap sw 0 0' | sudo tee -a /etc/fstab
+> cat /proc/sys/vm/swappiness
+> sysctl vm.swappiness=10
+> echo vm.swappiness=10 >> /etc/sysctl.conf
+> cat /proc/sys/vm/vfs_cache_pressure
+> sysctl vm.vfs_cache_pressure=50
+> echo vm.vfs_cache_pressure=50 >> /etc/sysctl.conf
+
+