---
created: 2024-07-27T20:22:10.651Z
type: note
updated: 2024-07-27T20:53:42.748Z
---

# Server Raspberry

## Hosts

```json Sat Jul 27 2024 13:23:18 GMT-0700 (Mountain Standard Time)
{ "a": "017", "b": "B8:27:EB:1F:53:1B", "c": "B8-27-EB-1F-53-1B", "d": "3", "e": "1", "f": "2", "g": "Wired",      "h": "server-raspberry",            "i": "raspberry.server"           , "j": "Garage" }
```

## Upgrade

```bash Sat Jul 27 2024 13:23:23 GMT-0700 (Mountain Standard Time)
apt-get update
apt-get upgrade -y
```

### authorized_keys

```bash Sat Jul 27 2024 13:25:16 GMT-0700 (Mountain Standard Time)
sudo -i
cat /root/.ssh/authorized_keys
nano /root/.ssh/authorized_keys
```

```conf Sat Jul 27 2024 13:25:20 GMT-0700 (Mountain Standard Time)
ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIK7khmvc9lTWHALZ/IOMcJNz/1SuvrU53fI43v4PxIJN # 92532396 2023-12-27 mikep@DESKTOP-VP94SPB
ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIGq7b8qtm4fgNxW2lxm+qoxm8Wz7+1uhLQCg7xSlKYL1 # 92683771 2024-01-01 mikep@DESKTOP-BMV4V66
ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIJqLFW9kYMp9lOTXXYafxLiUADFFKeM5KDzt02E3XeRP # 92691378 2024-01-01 cphar@DESKTOP-KA0LMMJ
ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIBkS+uvWevmhYNos6MJKVi2auAx6x+xlyOnnvbdEstsz # 92797978 2024-01-03 mikep@DESKTOP-GNECR7R
ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIKf5fo63+vyYa8E06+HOPg24e9VMsvv/kBsHKGjBBUyz # 92895319 2024-01-05 mike@mike-B365M-DS3H
ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIGM6ANLH/4dS0YqlsCyoXkznzkgIsDqCTk3YX01XVWd8 # 92909911 2024-01-06 mikep@DESKTOP-H6JG91B
ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIOwAv1vrRA29GYL0DFSE8nmD5q3gL+vVtFSwhrXObDo4 # 93288214 2024-01-13 infineon\phares@ISCN5CG3256CPS
ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIH1xPVOisKwW6Xwo/Yh1kx2smt2HJU2/pRjTJf4KdGXo # 97267150 2024-03-28 mike@mike-Default-string
ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIEDz5WqCKsoaxV+LG/kufLNuiE9K3lqp+B3AqeKXGusX # 97442032 2024-04-01 lphar@DESKTOP-1238PEQ
ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAID09PhrjIpeNBmUeycnT3xKF8F5TcGL3ZKAvU9YdLj7H # 98747144 2024-04-25 mike@mike-Default-string
ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIIaZyTLpafZta8W8Uv6uWpgbbj4QL5dde9Rlf06PfdYc # 98824914 2024-04-26 k0308@DESKTOP-0UJ8DD5
# ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIEFpucyp3FAHn8/9cXvfRegi09DkR6XLugoniEyQ9w0T # 98824924 2024-04-26 mille@DESKTOP-QL2HGEH
ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIOn/Ptg/k3rOJn32GxrL2J3Bazt/3M9fGWjzP+CW1qXK # 100900455 2024-06-03 lphares0907@penguin
ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIPMIxGucViHMHFXoM2VBPlvLvMgqNi2BUtTE/D4n778M # 101638217 2024-06-14 mikep@DESKTOP-VVO6KCM
```

```bash Sat Jul 27 2024 13:25:42 GMT-0700 (Mountain Standard Time)
exit
```

### Timezone

```bash Sat Jul 27 2024 13:25:46 GMT-0700 (Mountain Standard Time)
timedatectl set-timezone America/Phoenix
date
# Sat Jul 27 13:25:29 MST 2024
```

### Postfix

```bash Thu Jul 25 2024 16:10:13 GMT-0700 (Mountain Standard Time)
# https://hetmanrecovery.com/recovery_news/how-to-install-and-configure-postfix-mail-server-with-dovecot-on-linux-ubuntu.htm
adduser email
usermod -aG sudo email
hostnamectl set-hostname phares.linkpc.net
apt-get install postfix -y
systemctl status postfix
dpkg-reconfigure postfix
```

### Disable IPv6 (Move up next time!!!)

```bash Sat Jul 27 2024 13:51:20 GMT-0700 (Mountain Standard Time)
# https://intercom.help/privatevpn/en/articles/6440374-how-to-disable-ipv6-on-ubuntu-and-fedora-linux
nano /etc/sysctl.conf
```

```conf Sat Jul 27 2024 13:51:23 GMT-0700 (Mountain Standard Time)
net.ipv6.conf.all.disable_ipv6 = 1
net.ipv6.conf.default.disable_ipv6 = 1
net.ipv6.conf.lo.disable_ipv6 = 1
```

```bash Sat Jul 27 2024 13:51:28 GMT-0700 (Mountain Standard Time)
sysctl -p
cat /proc/sys/net/ipv6/conf/all/disable_ipv6
exit
reboot
```

## mailutils

```bash Sat Jul 27 2024 13:50:47 GMT-0700 (Mountain Standard Time)
telnet gmail-smtp-in.l.google.com 25
# apt install mailutils -y
# /usr/sbin/sendmail dmitriyzh23@gmail.com
# sudo nano /etc/postfix/main.cf
# sudo postconf -e 'home_mailbox= Maildir/'
# sudo apt-get install dovecot-imapd dovecot-pop3d
# sudo systemctl restart dovecot
# nano /etc/dovecot/dovecot.conf:
# protocols = pop3 pop3s imap imaps
# apt-get install opendkim opendkim-tools
# sudo systemctl start opendkim
# sudo systemctl enable opendkim
# mkdir /etc/opendkim
# opendkim-genkey -D /etc/opendkim/ --domain hetmansoftware.com --selector mail 
# cat /etc/opendkim/mail.txt
# mail._domainkey IN TXT ( "v=DKIM1; k=rsa; "
# sudo chown -R opendkim:opendkim /etc/opendkim
# sudo nano /etc/opendkim.conf
# AutoRestart Yes
```