DSU Computer Clubs Wiki

Windows reset firewalls:

netsh advfirewall reset
netsh advfirewall set allprofiles state off

Windows reset admin:

net user Administrator /active:yes
net user Administrator Password1!

Windows → ENABLE SMB!

Linux clear history: (we are purposely not removing apt logs and such)

rm -f /root/.viminfo
rm -f /root/.bash_history
rm -f /root/.zsh_history

Linux add users:

for user in $(cat users.txt); do useradd -m -s /bin/bash $user; echo "$user:Password1!" | chpasswd; done

Linux set static IP:

/etc/network/interfaces
auto eth0
iface eth0 inet static
address 192.168.0.11
netmask 255.255.255.0
network 192.168.0.1
broadcast 192.168.0.255
gateway 192.168.0.1

/etc/netplan/01-ethernet.yaml
network:
    version: 2
    renderer: networkd
    ethernets:
        ens160:
            dhcp4: no
            addresses: [198.168.0.10/24]
            gateway4: 192.168.0.1
            nameservers:
                addresses: [192.168.0.11,172.16.3.100]

Linux find and replace recursively

find . -name '*.txt*' -exec sed -i 's/user1/user2/g' {} +