jojo
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22
dhcp
Executable file
22
dhcp
Executable file
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#!/bin/nash
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cat > /etc/dhcp/dhcpd.conf << EOF
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default-lease-time 600;
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max-lease-time 7200;
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authoritative;
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subnet 192.168.4.0 netmask 255.255.255.248 {
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range 192.168.4.2 192.168.4.6;
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option domain-name-servers 8.8.8.8, 8.8.4.4;
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option subnet-mask 255.255.255.248;
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option routers 192.168.4.1;
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}
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EOF
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chmod 600 /etc/dhcp/dhcpd.conf
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cat > /etc/sysconfig/dhcpd << EOF
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DHCPDARGS="enp0s9"
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EOF
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systemctl enable dhcp
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systemctl start dhcp
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139
int
Executable file
139
int
Executable file
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#!bin/bash
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a=1
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while a==1
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do
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echo ""
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echo "Enter number"
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echo ""
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echo "1. Hostname"
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echo "2. Calculate the mask"
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echo "3. IP"
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echo "4. Forward and masquerade"
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echo "5. Reboot"
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echo "6. Account"
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echo "0. Exit"
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echo ""
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read num
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echo ""
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if (( $num == 0 )); then
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break
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elif (( $num == 1 )); then
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echo "______________________Hostname_____________________"
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read -p "Enter name(isp.au-team.irpo): " name
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hostnamectl set-hostname $name
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exec bash
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elif (( $num == 3)); then
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echo "_____________________Enp0s3_______________________"
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read -p "Enter ip or skip for DHCP: " ip_s3
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if [[ -n $ip_s3 ]]; then
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read -p "Enter gateway: " gt_s3
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cat > /etc/NetworkManager/system-connections/enp0s3.nmconnection << EOF
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[connection]
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id=enp0s3
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uuid=$(uuidgen)
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type=ethernet
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autoconnect-priority=-999
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interface-name=enp0s3
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timestamp=$(date +%s)
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[ethernet]
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[ipv4]
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address1=$ip_s3
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dns=8.8.8.8
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gateway=$gt_s3
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method=manual
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[ipv6]
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addr-gen-mode=eui64
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method=disabled
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[proxy]
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EOF
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chmod 600 /etc/NetworkManager/system-connections/enp0s3.nmconnection
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systemctl restart NetworkManager
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fi
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echo ""
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echo "________________________Enp0s8_________________________"
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read -p "Enter ip or skip: " ip_s8
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if [[ -n $ip_s8 ]]; then
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nmcli connection modify enp0s8 ipv4.method manual ipv4.addresses $ip_s8 ipv6.method disabled
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systemctl restart NetworkManager
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fi
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echo ""
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echo "____________________________Enp0s9____________________________"
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read -p "Enter ip or skip: " ip_s9
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if [[ -n $ip_s9 ]]; then
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nmcli connection modify enp0s9 ipv4.method manual ipv4.addresses $ip_s9 ipv6.method disabled
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systemctl restart NetworkManager
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fi
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echo ""
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echo "___________________________Enp0s10___________________________"
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read -p "Enter ip or skip: " ip_s10
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if [[ -n $ip_s10 ]]; then
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nmcli connection modify enp0s10 ipv4.method manual ipv4.addresses $ip_s10 ipv6.method disabled
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systemctl restart NetworkManager
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fi
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systemctl restart NetworkManager
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elif (( $num == 4 )); then
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echo ""
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echo "_____________________________Forward and Masquerade__________________________"
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sysctl net.ipv4.ip_forward=1 >> /etc/sysctl.conf
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systemctl enable --now iptables
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iptables -F
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read -p "Enter ip for Masquerade: " a
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if (( $a == 2 )); then
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if [[ -n $ip_s8 || $ip_s9 ]]; then
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iptables -t nat -A POSTROUTING -s $ip_s8 -o enp0s3 -j MASQUERADE
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iptables -t nat -A POSTROUTING -s $ip_s9 -o enp0s3 -j MASQUERADE
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else
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read -p "Enter ip for enp0s8(192.168.0.0/30): " ip_s8
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read -p "Enter ip for enp0s9(192.168.0.0/30): " ip_s9
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iptables -t nat -A POSTROUTING -s $ip_s8 -o enp0s3 -j MASQUERADE
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iptables -t nat -A POSTROUTING -s $ip_s9 -o enp0s3 -j MASQUERADE
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fi
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elif (( $a == 1)); then
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if [[ -n $ip_s8 ]]; then
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iptables -t nat -A POSTROUTING -s $ip_s8 -o enp0s3 -j MASQUERADE
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else
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read -p "Enter ip for enp0s8: " ip_s8
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iptables -t nat -A POSTROUTING -s $ip_s8 -o enp0s3 -j MASQUERADE
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fi
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fi
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iptables-save --file /etc/sysconfig/iptables
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elif (( $num == 5)); then
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read -p "Reboot?: " r
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if (( $r == n || $r == N)); then
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echo "123"
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else
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reboot
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fi
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elif (( $num == 2)); then
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echo ""
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echo "____________________________Calc____________________________"
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read -p "Enter amount PC: " mask
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mask=$(echo "sqrt($mask)" | bc)
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mask=$((32 - $mask))
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echo $mask
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echo""
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elif (( $num == 6)); then
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echo "________________________Account_________________________"
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read -p "Yes or no?: " acc
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if [[ -n $acc ]]; then
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read -p "Enter name acc: " acc_n
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cat >> /etc/sudoers << EOF
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$acc_n ALL=(ALL)NOPASSWD:ALL
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EOF
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chmod 600 /etc/sudoers
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fi
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fi
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done
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14
tunel
Executable file
14
tunel
Executable file
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@ -0,0 +1,14 @@
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#!/bin/bash
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read -p "Enter local ip(172.16.0.2): " l_ip
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read -p "Enter remote ip(172.16.0.2): " r_ip
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read -p "Enter tun ip(192.168.9.1/30)" t_ip
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read -p "Enter name tunnel: " name
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ip link delete gre1 2>/dev/null
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ip tunnel add $name mode gre local $l_ip remote $r_ip ttl 64 dev enp0s3
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ip addr add $t_ip dev $name
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ip link set $name up
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echo "Enter nmcli connection modify gre1 ip-tunnel.ttl 64"
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systemctl restart NetworkManager
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