Network
ls -lah /Volumes/system-boot/|grep network-config
cat <<EOF > /Volumes/system-boot/network-config
version: 2
renderer: networkd
wifis:
wlan0:
dhcp4: true
dhcp6: true
optional: true
access-points:
"ChorkeOrg_2.4GHz":
password: "medisys@bd/0A"
EOF
ls -lah /Volumes/system-boot/|grep user-data
cat <<EOF > /Volumes/system-boot/user-data
chpasswd:
expire: true
list:
- ubuntu:ubuntu
ssh_pwauth: true
power_state:
mode: reboot
EOF
Upgrade
apt update
apt list --installed
apt upgrade
apt install net-tools
apt install remmina remmina-plugin-vnc
RDP Server
apt install ubuntu-desktop
apt install xrdp
echo gnome-session > ~/.xsession
chmod +x ~/.xsession
sudo reboot
systemctl enable xrdp
systemctl status xrdp
systemctl restart xrdp
SSH Server
apt install ssh
Lightweight
apt install synaptic
apt remove --purge libreoffice*
apt autoremove
apt clean
journalctl --disk-usage
journalctl --vacuum-time=1d
uname -r
dpkg -l linux-image-* linux-headers-*
apt remove linux-*-unsigned-5.8.0-1019-raspi
apt remove linux-*-5.8.0-1006-raspi
apt remove linux-*-3.0
apt install debian-goodies
dpigs -H
apt remove debian-goodies
apt remove thunderbird
apt autoremove
Knowledge
# mac or linux os
apt install net-tools
arp -na | grep -i "b8:27:eb"
arp -na | grep -i "dc:a6:32"
# windows os
arp -a | findstr b8-27-eb
arp -a | findstr dc-a6-32
usermod -aG video <username>
vcgencmd measure_temp
References