Un accrocchio per fare radio.
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# acCrocRadio setup Sistema
## DNS
DNS-zone presso il registrar, esempio: accroc.radio
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```
* 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
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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
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## Hostname
hostnamectl set-hostname croco
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figlet: figlet cRoc > /etc/motd
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## Firewall
ufw default deny incoming
ufw default allow outgoing
ufw allow ssh
ufw allow 80 (e 443, 2022, 8000, 8005)
ufw enable
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Consigliato cambiare porta sshd, abilitare ssh login passwordless
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## Time
dpkg-reconfigure tzdata
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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
Posta solo locale.
apt install postfix
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Per riconfigurare:
dpkg-reconfigure postfix
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## SWAP
free -h
fallocate -l 2G /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