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debian: 支持传统安装模式 + 静态 IP
This commit is contained in:
bin456789
parent
8b3ba5c7d3
commit
ada822deb3
@ -1,5 +1,6 @@
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#!/bin/ash
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# shellcheck shell=dash
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# alpine / debian initrd 共用此脚本
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mac_addr=$1
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ipv4_addr=$2
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@ -9,7 +10,8 @@ ipv6_gateway=$5
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is_in_china=$6
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# 3.16-3.18 $device
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# 3.19.1+ $iface
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# 3.19 $iface
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# debian $iface
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# shellcheck disable=SC2154
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if [ -n "$iface" ]; then
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ethx="$iface"
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@ -30,7 +32,12 @@ else
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fi
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get_first_ipv4_addr() {
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ip -4 -o addr show scope global dev "$ethx" | head -1 | awk '{print $4}'
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# debian 11 initrd 没有 awk
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if false; then
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ip -4 -o addr show scope global dev "$ethx" | head -1 | awk '{print $4}'
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else
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ip -4 -o addr show scope global dev "$ethx" | head -1 | grep -o '[0-9\.]*/[0-9]*'
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fi
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}
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is_have_ipv4_addr() {
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@ -120,12 +127,13 @@ is_need_test_ipv6() {
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test_internet() {
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echo 'Testing Internet Connection...'
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# debian 没有 nslookup，因此用 ping
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for i in $(seq 5); do
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if is_need_test_ipv4 && nslookup www.qq.com $ipv4_dns1 >/dev/null 2>&1; then
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if is_need_test_ipv4 && ping -c1 -W5 $ipv4_dns1 >/dev/null 2>&1; then
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echo "IPv4 has internet."
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ipv4_has_internet=true
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fi
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if is_need_test_ipv6 && nslookup www.qq.com $ipv6_dns1 >/dev/null 2>&1; then
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if is_need_test_ipv6 && ping -c1 -W5 $ipv6_dns1 >/dev/null 2>&1; then
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echo "IPv6 has internet."
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ipv6_has_internet=true
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fi
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135
reinstall.sh
135
reinstall.sh
@ -1368,22 +1368,96 @@ mkdir_clear() {
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mkdir -p $dir
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}
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mod_alpine_initrd() {
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# 修改 alpine 启动时运行我们的脚本
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info mod alpine initrd
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install_pkg gzip cpio
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mod_initrd_debian() {
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# hack 1
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# 允许设置 ipv4 onlink 网关
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sed -Ei 's,&&( onlink=),||\1,' etc/udhcpc/default.script
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# 解压
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# 先删除临时文件，避免之前运行中断有残留文件
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tmp_dir=/tmp/reinstall
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mkdir_clear $tmp_dir
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cd $tmp_dir
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zcat /reinstall-initrd | cpio -idm
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# hack 2
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# 修改 /var/lib/dpkg/info/netcfg.postinst 运行我们的脚本
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# shellcheck disable=SC1091,SC2317
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netcfg() {
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#!/bin/sh
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. /usr/share/debconf/confmodule
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db_progress START 0 5 debian-installer/netcfg/title
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# 预先下载脚本
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curl -Lo $tmp_dir/trans.start $confhome/trans.sh
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curl -Lo $tmp_dir/alpine-network.sh $confhome/alpine-network.sh
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# 找到主网卡
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# debian 11 initrd 没有 awk
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if false; then
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iface=$(ip -o link | grep "@mac_addr" | awk '{print $2}' | cut -d: -f1)
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else
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iface=$(ip -o link | grep "@mac_addr" | cut -d' ' -f2 | cut -d: -f1)
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fi
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db_progress STEP 1
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# dhcpv4
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db_progress INFO netcfg/dhcp_progress
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udhcpc -i "$iface" -f -q -n
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db_progress STEP 1
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# slaac + dhcpv6
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db_progress INFO netcfg/slaac_wait_title
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# https://salsa.debian.org/installer-team/netcfg/-/blob/master/autoconfig.c#L148
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cat <<EOF >/var/lib/netcfg/dhcp6c.conf
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interface $iface {
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send ia-na 0;
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request domain-name-servers;
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request domain-name;
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script "/lib/netcfg/print-dhcp6c-info";
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};
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id-assoc na 0 {
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};
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EOF
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dhcp6c -c /var/lib/netcfg/dhcp6c.conf "$iface"
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sleep 10
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kill -9 "$(cat /var/run/dhcp6c.pid)"
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db_progress STEP 1
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# 静态 + 检测网络
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db_subst netcfg/link_detect_progress interface "$iface"
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db_progress INFO netcfg/link_detect_progress
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. /alpine-network.sh @netconf
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db_progress STEP 1
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# 运行trans.sh，保存配置
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db_progress INFO base-installer/progress/netcfg
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. /trans.sh
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db_progress STEP 1
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}
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collect_netconf
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is_in_china && is_in_china=true || is_in_china=false
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netconf="'$mac_addr' '$ipv4_addr' '$ipv4_gateway' '$ipv6_addr' '$ipv6_gateway' '$is_in_china'"
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get_function_content netcfg |
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sed "s|@mac_addr|$mac_addr|" |
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sed "s|@netconf|$netconf|" >var/lib/dpkg/info/netcfg.postinst
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# hack 3
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# 修改 trans.sh
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# 1. 直接调用 create_ifupdown_config
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insert_into_file $tmp_dir/trans.sh after ': main' <<EOF
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distro=debian
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create_ifupdown_config /etc/network/interfaces
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exit
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EOF
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# 2. 删除 debian busybox 无法识别的语法
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# 3. 删除 apk 语句
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# 4. debian 11/12 initrd 无法识别 > >
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# 5. debian 11/12 initrd 无法识别 < <
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# 6. debian 11 initrd 无法识别 set -E
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# 7. debian 11 initrd 无法识别 trap ERR
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# 删除或注释，可能会导致空方法而报错，因此改为替换成'\n: #'
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replace='\n: #'
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sed -Ei "s/> >/$replace/" $tmp_dir/trans.sh
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sed -Ei "s/< </$replace/" $tmp_dir/trans.sh
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sed -Ei "s/(^[[:space:]]*set[[:space:]].*)E/\1/" $tmp_dir/trans.sh
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sed -Ei "s/^[[:space:]]*apk[[:space:]]/$replace/" $tmp_dir/trans.sh
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sed -Ei "s/^[[:space:]]*trap[[:space:]]/$replace/" $tmp_dir/trans.sh
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}
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mod_initrd_alpine() {
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# virt 内核添加 ipv6 模块
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if virt_dir=$(ls -d $tmp_dir/lib/modules/*-virt 2>/dev/null); then
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ipv6_dir=$virt_dir/kernel/net/ipv6
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@ -1410,13 +1484,14 @@ EOF
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# hack 2 设置 ethx
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# 3.16~3.18 ip_choose_if
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# 3.19.1+ ethernets
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# 3.19 ethernets
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if grep -q ip_choose_if init; then
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ethernets_func=ip_choose_if
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else
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ethernets_func=ethernets
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fi
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# shellcheck disable=SC2317
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ip_choose_if() {
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ip -o link | grep "@mac_addr" | awk '{print $2}' | cut -d: -f1
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return
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@ -1431,7 +1506,7 @@ EOF
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# 使用同样参数运行 udhcpc6
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# udhcpc -i "$device" -f -q # v3.17
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# $MOCK udhcpc -i "$device" -f -q # v3.18
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# $MOCK udhcpc -i "$iface" -f -q # v3.19.1
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# $MOCK udhcpc -i "$iface" -f -q # v3.19
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search='udhcpc -i'
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orig_cmd="$(grep "$search" init)"
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mod_cmd4="$orig_cmd -n || true"
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@ -1444,12 +1519,13 @@ EOF
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# udhcpc: bound
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# udhcpc6: deconfig
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# udhcpc6: bound
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# shellcheck disable=SC2154
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# shellcheck disable=SC2317
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udhcpc() {
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if [ "$1" = deconfig ]; then
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return
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fi
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if [ "$1" = bound ] && [ -n "$ipv6" ]; then
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# shellcheck disable=SC2154
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ip -6 addr add "$ipv6" dev "$interface"
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ip link set dev "$interface" up
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return
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@ -1465,7 +1541,7 @@ EOF
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# hack 5 网络配置
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is_in_china && is_in_china=true || is_in_china=false
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insert_into_file init after 'MAC_ADDRESS=' <<EOF
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source /alpine-network.sh \
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. /alpine-network.sh \
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"$mac_addr" "$ipv4_addr" "$ipv4_gateway" "$ipv6_addr" "$ipv6_gateway" "$is_in_china"
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EOF
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@ -1481,10 +1557,27 @@ EOF
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insert_into_file init before '^exec (/bin/busybox )?switch_root' <<EOF
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# echo "wget --no-check-certificate -O- $confhome/trans.sh | /bin/ash" >\$sysroot/etc/local.d/trans.start
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# wget --no-check-certificate -O \$sysroot/etc/local.d/trans.start $confhome/trans.sh
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cp /trans.start \$sysroot/etc/local.d/trans.start
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cp /trans.sh \$sysroot/etc/local.d/trans.start
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chmod a+x \$sysroot/etc/local.d/trans.start
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ln -s /etc/init.d/local \$sysroot/etc/runlevels/default/
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EOF
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}
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mod_initrd() {
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info "mod $nextos_distro initrd"
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install_pkg gzip cpio
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# 解压
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# 先删除临时文件，避免之前运行中断有残留文件
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tmp_dir=/tmp/reinstall
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mkdir_clear $tmp_dir
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cd $tmp_dir
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zcat /reinstall-initrd | cpio -idm
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curl -Lo $tmp_dir/trans.sh $confhome/trans.sh
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curl -Lo $tmp_dir/alpine-network.sh $confhome/alpine-network.sh
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mod_initrd_$nextos_distro
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# 重建
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# 注意要用 cpio -H newc 不要用 cpio -c ，不同版本的 -c 作用不一样，很坑
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@ -1702,9 +1795,9 @@ else
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curl -Lo /reinstall-initrd $nextos_initrd
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fi
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# 修改 alpine initrd
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if [ "$nextos_distro" = alpine ]; then
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mod_alpine_initrd
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# 修改 alpine debian initrd
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if [ "$nextos_distro" = alpine ] || [ "$nextos_distro" = debian ]; then
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mod_initrd
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fi
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# 将内核/netboot.xyz.lkrn 放到正确的位置
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160
trans.sh
160
trans.sh
@ -376,10 +376,11 @@ get_netconf_to() {
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esac
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# shellcheck disable=SC2154
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# debian initrd 没有 xargs
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case "$1" in
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slaac) echo "$ra" | grep 'Autonomous address conf' | grep Yes && res=1 || res=0 ;;
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dhcpv6) echo "$ra" | grep 'Stateful address conf' | grep Yes && res=1 || res=0 ;;
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rdnss) res=$(echo "$ra" | grep 'Recursive DNS server' | cut -d: -f2- | xargs) ;;
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rdnss) res=$(echo "$ra" | grep 'Recursive DNS server' | cut -d: -f2-) ;;
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other) echo "$ra" | grep 'Stateful other conf' | grep Yes && res=1 || res=0 ;;
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*) res=$(cat /dev/$1) ;;
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esac
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@ -485,11 +486,21 @@ is_need_manual_set_dnsv6() {
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}
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get_current_dns_v4() {
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grep '^nameserver' /etc/resolv.conf | awk '{print $2}' | grep '\.'
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# debian 11 initrd 没有 awk
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if false; then
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grep '^nameserver' /etc/resolv.conf | awk '{print $2}' | grep '\.'
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else
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grep '^nameserver' /etc/resolv.conf | cut -d' ' -f2 | grep '\.'
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fi
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}
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get_current_dns_v6() {
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grep '^nameserver' /etc/resolv.conf | awk '{print $2}' | grep ':'
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# debian 11 initrd 没有 awk
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if false; then
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grep '^nameserver' /etc/resolv.conf | awk '{print $2}' | grep ':'
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else
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grep '^nameserver' /etc/resolv.conf | cut -d' ' -f2 | grep ':'
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fi
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}
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to_upper() {
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@ -612,6 +623,83 @@ insert_into_file() {
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fi
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}
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create_ifupdown_config() {
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conf_file=$1
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rm -f $conf_file
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# shellcheck disable=SC2154
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if [ "$distro" = debian ]; then
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cat <<EOF >>$conf_file
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source /etc/network/interfaces.d/*
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EOF
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fi
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# 生成 lo配置 + ethx头部
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get_netconf_to ethx
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if [ -f /etc/network/devhotplug ] && grep -wo "$ethx" /etc/network/devhotplug; then
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mode=allow-hotplug
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else
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mode=auto
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fi
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cat <<EOF >>$conf_file
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auto lo
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iface lo inet loopback
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$mode $ethx
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EOF
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# ipv4
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if is_dhcpv4; then
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echo "iface $ethx inet dhcp" >>$conf_file
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elif is_staticv4; then
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get_netconf_to ipv4_addr
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get_netconf_to ipv4_gateway
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cat <<EOF >>$conf_file
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iface $ethx inet static
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address $ipv4_addr
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gateway $ipv4_gateway
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EOF
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# dns
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if list=$(get_current_dns_v4); then
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for dns in $list; do
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cat <<EOF >>$conf_file
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dns-nameservers $dns
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EOF
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done
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fi
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fi
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# ipv6
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if is_slaac; then
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echo "iface $ethx inet6 auto" >>$conf_file
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elif is_dhcpv6; then
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echo "iface $ethx inet6 dhcp" >>$conf_file
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elif is_staticv6; then
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get_netconf_to ipv6_addr
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get_netconf_to ipv6_gateway
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cat <<EOF >>$conf_file
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iface $ethx inet6 static
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address $ipv6_addr
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gateway $ipv6_gateway
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EOF
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fi
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# dns
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# 有 ipv6 但需设置 dns 的情况
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if is_need_manual_set_dnsv6 && list=$(get_current_dns_v6); then
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for dns in $list; do
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cat <<EOF >>$conf_file
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dns-nameserver $dns
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EOF
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done
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fi
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}
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install_alpine() {
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hack_lowram_modloop=true
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hack_lowram_swap=true
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@ -675,66 +763,8 @@ install_alpine() {
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sed -i '/^#slaac hwaddr/s/^#//' /etc/dhcpcd.conf
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rc-update add networking boot
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get_netconf_to ethx
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# 生成 lo配置 + ethx头部
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cat <<EOF >/etc/network/interfaces
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auto lo
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iface lo inet loopback
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auto $ethx
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EOF
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# ipv4
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if is_dhcpv4; then
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echo "iface $ethx inet dhcp" >>/etc/network/interfaces
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elif is_staticv4; then
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get_netconf_to ipv4_addr
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get_netconf_to ipv4_gateway
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cat <<EOF >>/etc/network/interfaces
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iface $ethx inet static
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address $ipv4_addr
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gateway $ipv4_gateway
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EOF
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# dns
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if list=$(get_current_dns_v4); then
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for dns in $list; do
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cat <<EOF >>/etc/network/interfaces
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dns-nameserver $dns
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EOF
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done
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fi
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fi
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# ipv6
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if is_slaac; then
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echo "iface $ethx inet6 auto" >>/etc/network/interfaces
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elif is_dhcpv6; then
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echo "iface $ethx inet6 dhcp" >>/etc/network/interfaces
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elif is_staticv6; then
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get_netconf_to ipv6_addr
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get_netconf_to ipv6_gateway
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cat <<EOF >>/etc/network/interfaces
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iface $ethx inet6 static
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address $ipv6_addr
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gateway $ipv6_gateway
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EOF
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fi
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# dns
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# 有 ipv6 但需设置 dns 的情况
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if is_need_manual_set_dnsv6 && list=$(get_current_dns_v6); then
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for dns in $list; do
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cat <<EOF >>/etc/network/interfaces
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dns-nameserver $dns
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EOF
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done
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fi
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# 显示网络配置
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# 网络配置
|
||||
create_ifupdown_config /etc/network/interfaces
|
||||
echo
|
||||
cat -n /etc/network/interfaces
|
||||
echo
|
||||
@ -2504,6 +2534,10 @@ EOF
|
||||
}
|
||||
|
||||
# 脚本入口
|
||||
# debian initrd 会寻找 : main
|
||||
# 并调用本文件的 create_ifupdown_config 方法
|
||||
: main
|
||||
|
||||
# arm要手动从硬件同步时间，避免访问https出错
|
||||
# do 机器第二次运行会报错
|
||||
hwclock -s || true
|
||||
|
||||
Loading…
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Reference in New Issue
Block a user