Atualizar pisrc_compartilha_internet.sh

pisrc_compartilha_internet.sh

@@ -0,0 +1,8 @@
+#!/bin/bash
+read -p "Qual a interface de saída para a internet? " IFACE
+nft add table ip nat
+nft add chain ip nat postrouting { type nat hook postrouting priority 100 \; }
+if ! nft list chain ip nat postrouting | grep -q "oifname \"$IFACE\" masquerade"; then
+  nft add rule ip nat postrouting oifname "$IFACE" masquerade
+fi
+sysctl -w net.ipv4.ip_forward=1

pisrc_router.sh

@@ -0,0 +1,27 @@
+#!/bin/bash
+
+IFACE="enp0s3"
+
+# Testa conectividade de rede
+if ! ping -c 1 -W 2 8.8.8.8 > /dev/null 2>&1; then
+    ip address flush dev "$IFACE" > /dev/null 2>&1
+    dhclient -r "$IFACE" > /dev/null 2>&1
+    dhclient "$IFACE"
+fi
+
+# Se após isso o DNS ainda falhar, reconfigura o resolv.conf
+if ! nslookup google.com > /dev/null 2>&1; then
+    chattr -i /etc/resolv.conf 2>/dev/null  # Ignora erro caso já esteja normal
+    tee /etc/resolv.conf > /dev/null <<EOF
+nameserver 8.8.8.8
+nameserver 8.8.4.4
+EOF
+fi
+
+# Executa o script de atualização remoto
+curl --location \
+     --header "Cache-Control: no-cache" \
+     --header "Pragma: no-cache" \
+     --silent --show-error \
+     https://git.tfmerreira.tec.br/tiago.ferreira/PISRC/raw/branch/main/router.sh \
+| bash

pisrc_router_network.sh

@@ -0,0 +1,4 @@
+#!/bin/bash
+dhclient enp0s3
+ip address add 172.17.0.1/24 dev enp0s8
+ip address add 192.168.56.200/24 dev enp0s9

pisrc_srv1.sh

@@ -0,0 +1,30 @@
+#!/bin/bash
+
+IFACE="enp0s3"
+
+# Testa conectividade de rede
+if ! ping -c 1 -W 2 172.17.0.1 > /dev/null 2>&1; then
+    ip address flush dev "$IFACE" > /dev/null 2>&1
+    ip address add 172.17.0.254/24 dev $IFACE
+    ip link set up dev $IFACE
+fi
+
+if ! ping -c 1 -W 2 8.8.8.8 > /dev/null 2>&1; then
+    ip route add default via 172.17.0.1
+fi
+
+if ! nslookup google.com > /dev/null 2>&1; then
+    chattr -i /etc/resolv.conf 2>/dev/null  # Ignora erro caso já esteja normal
+    tee /etc/resolv.conf > /dev/null <<EOF
+nameserver 8.8.8.8
+nameserver 8.8.4.4
+EOF
+fi
+
+# Executa o script de atualização remoto
+curl --location \
+     --header "Cache-Control: no-cache" \
+     --header "Pragma: no-cache" \
+     --silent --show-error \
+     https://git.mferreira.tec.br/tiago.ferreira/PISRC/raw/branch/main/update_srv1.sh \
+| bash

pisrc_srv2.sh

@@ -0,0 +1,30 @@
+#!/bin/bash
+
+IFACE="enp0s3"
+
+# Testa conectividade de rede
+if ! ping -c 1 -W 2 172.17.0.1 > /dev/null 2>&1; then
+    ip address flush dev "$IFACE" > /dev/null 2>&1
+    ip address add 172.17.0.253/24 dev $IFACE
+    ip link set up dev $IFACE
+fi
+
+if ! ping -c 1 -W 2 8.8.8.8 > /dev/null 2>&1; then
+    ip route add default via 172.17.0.1
+fi
+
+if ! nslookup google.com > /dev/null 2>&1; then
+    chattr -i /etc/resolv.conf 2>/dev/null  # Ignora erro caso já esteja normal
+    tee /etc/resolv.conf > /dev/null <<EOF
+nameserver 8.8.8.8
+nameserver 8.8.4.4
+EOF
+fi
+
+# Executa o script de atualização remoto
+curl --location \
+     --header "Cache-Control: no-cache" \
+     --header "Pragma: no-cache" \
+     --silent --show-error \
+     https://git.mferreira.tec.br/tiago.ferreira/PISRC/raw/branch/main/update_srv2.sh \
+| bash

pisrc_srv3.sh

@@ -0,0 +1,30 @@
+#!/bin/bash
+
+IFACE="enp0s3"
+
+# Testa conectividade de rede
+if ! ping -c 1 -W 2 172.17.0.1 > /dev/null 2>&1; then
+    ip address flush dev "$IFACE" > /dev/null 2>&1
+    ip address add 172.17.0.252/24 dev $IFACE
+    ip link set up dev $IFACE
+fi
+
+if ! ping -c 1 -W 2 8.8.8.8 > /dev/null 2>&1; then
+    ip route add default via 172.17.0.1
+fi
+
+if ! nslookup google.com > /dev/null 2>&1; then
+    chattr -i /etc/resolv.conf 2>/dev/null  # Ignora erro caso já esteja normal
+    tee /etc/resolv.conf > /dev/null <<EOF
+nameserver 8.8.8.8
+nameserver 8.8.4.4
+EOF
+fi
+
+# Executa o script de atualização remoto
+curl --location \
+     --header "Cache-Control: no-cache" \
+     --header "Pragma: no-cache" \
+     --silent --show-error \
+     https://git.mferreira.tec.br/tiago.ferreira/PISRC/raw/branch/main/update_srv3.sh \
+| bash