Update README.md

README.md

@@ -22,7 +22,7 @@ sudo ./debi.sh --cdn --network-console --ethx --bbr --user root --password <新
 * `--ethx` 网卡名称使用传统形式，如 `eth0` 而不是 `ens3`
 * `--cloud-kernel` 安装占用空间较小的 `cloud` 内核，但可能会导致 UEFI 启动的机器（如 Oracle、Azure 及 Hyper-V、Google Cloud 等）VNC 黑屏。BIOS 启动的普通 VPS 则没有此问题。
 * 默认时区为 UTC，添加 `--timezone Asia/Shanghai` 可使用中国时区。
-* 默认使用 Debian 官方 CDN 镜像源（deb.debian.org），添加 `--china` 可使用阿里云镜像源。
+* 默认使用 Debian 官方 CDN 镜像源（deb.debian.org），添加 `--ustc` 可使用中科大镜像源。
 
 如果没有报错可以重启：
 
@@ -98,12 +98,24 @@ Otherwise, you can run this command to revert all changes made by the script:
 
 ## Available Options
 
+### Presets
+
+| Region | Alias          | Mirror                               | DNS        | NTP                 |
+|--------|----------------|--------------------------------------|------------|---------------------|
+| Global | Default        | https://deb.debian.org               | Google     | time.google.com     |
+| Global | `--cloudflare` | https://deb.debian.org               | Cloudflare | time.cloudflare.com |
+| Global | `--aws`        | https://cdn-aws.deb.debian.org       | Google     | time.aws.com        |
+| China  | `--ustc`       | https://mirrors.ustc.edu.cn          | DNSPod     | time.amazonaws.cn   |
+| China  | `--tuna`       | https://mirrors.tuna.tsinghua.edu.cn | DNSPod     | time.amazonaws.cn   |
+| China  | `--aliyun`     | https://mirrors.aliyun.com           | AliDNS     | time.amazonaws.cn   |
+
  * `--interface <string>` Manually select a network interface, e.g. eth1
  * `--ethx` Disable *Consistent Network Device Naming* to get interface names like *ethX* back
  * `--ip <string>` Disable the auto network config (DHCP) and configure a static IP address, e.g. `10.0.0.2`, `1.2.3.4/24`, `2001:2345:6789:abcd::ef/48`
  * `--netmask <string>` e.g. `255.255.255.0`, `ffff:ffff:ffff:ffff::`
  * `--gateway <string>` e.g. `10.0.0.1`, `none` if no gateway
- * `--dns '8.8.8.8 8.8.4.4'` (Default IPv6 DNS: `2001:4860:4860::8888 2001:4860:4860::8844`)
+ * `--dns '8.8.8.8 8.8.4.4'`
+ * `--dns6 '2001:4860:4860::8888 2001:4860:4860::8844'` (effective only if IPv6 is specified)
  * `--hostname <string>` FQDN hostname (includes the domain name), e.g. `server1.example.com`
  * `--network-console` Enable the network console of the installer. `ssh installer@ip` to connect
  * `--version 12` Supports: `10`, `11`, `12`, `13`
@@ -123,7 +135,7 @@ Otherwise, you can run this command to revert all changes made by the script:
  * `--authorized-keys-url <string>` URL to your authorized keys for SSH authentication. e.g. `https://github.com/torvalds.keys`
  * `--sudo-with-password` Require password when the user invokes `sudo` command
  * `--timezone UTC` e.g. `Asia/Shanghai` for China (UTC+8) https://en.wikipedia.org/wiki/List_of_tz_database_time_zones#List
- * `--ntp 0.debian.pool.ntp.org`
+ * `--ntp time.google.com`
  * `--no-disk-partitioning, --no-part` **(Manual installation)** Proceed disk partitioning manually in VNC or remote console
  * `--disk <string>` Manually select a disk for installation. **Please remember to specify this when more than one disk is available!** e.g. `/dev/sda`
  * `--no-force-gpt` By default, GPT rather than MBR partition table will be created. This option disables it.
@@ -152,25 +164,3 @@ Otherwise, you can run this command to revert all changes made by the script:
  * `--force-lowmem <integer>` Valid values: 0, 1, 2. Force [low memory level](https://salsa.debian.org/installer-team/lowmem). Useful if your machine has memory less than 500M where level 2 is set (see issue #45). `--force-lowmem 1` may solve it. 
  * `--dry-run` Print generated preseed and GRUB entry without downloading the installer and actually saving them
  * `--cidata ./cidata-example` Custom data for cloud-init. **VM provider's data source will be IGNORED.** See example.
-
-### Presets
-
-### `--cdn`
-
- * `--mirror-protocol https`
- * `--mirror-host deb.debian.org`
- * `--security-repository mirror`
-
-### `--aws`
-
- * `--mirror-protocol https`
- * `--mirror-host cdn-aws.deb.debian.org`
- * `--security-repository mirror`
-
-### `--china`
-
- * `--dns '223.5.5.5 223.6.6.6'`
- * `--mirror-protocol https`
- * `--mirror-host mirrors.aliyun.com`
- * `--security-repository mirror`
- * `--ntp ntp.aliyun.com`

debi.sh

@@ -197,6 +197,7 @@ ip=
 netmask=
 gateway=
 dns='8.8.8.8 8.8.4.4'
+dns6='2001:4860:4860::8888 2001:4860:4860::8844'
 hostname=
 network_console=false
 set_debian_version 12
@@ -211,7 +212,7 @@ password=
 authorized_keys_url=
 sudo_with_password=false
 timezone=UTC
-ntp=0.debian.pool.ntp.org
+ntp=time.google.com
 disk_partitioning=true
 disk=
 force_gpt=true
@@ -245,25 +246,33 @@ cidata=
 while [ $# -gt 0 ]; do
     case $1 in
         --cdn)
-            mirror_host=deb.debian.org
             ;;
         --aws)
             mirror_host=cdn-aws.deb.debian.org
+            ntp=time.aws.com
+            ;;
+        --cloudflare)
+            dns='1.1.1.1 1.0.0.1'
+            dns6='2606:4700:4700::1111 2606:4700:4700::1001'
+            ntp=time.cloudflare.com
             ;;
         --aliyun)
             dns='223.5.5.5 223.6.6.6'
+            dns6='2400:3200::1 2400:3200:baba::1'
             mirror_host=mirrors.aliyun.com
-            ntp=ntp.aliyun.com
+            ntp=time.amazonaws.cn
             ;;
         --ustc|--china)
             dns='119.29.29.29'
+            dns6='2402:4e00::'
             mirror_host=mirrors.ustc.edu.cn
-            ntp=time.ustc.edu.cn
+            ntp=time.amazonaws.cn
             ;;
         --tuna)
             dns='119.29.29.29'
+            dns6='2402:4e00::'
             mirror_host=mirrors.tuna.tsinghua.edu.cn
-            ntp=ntp.tuna.tsinghua.edu.cn
+            ntp=time.amazonaws.cn
             ;;
         --interface)
             interface=$2
@@ -285,6 +294,10 @@ while [ $# -gt 0 ]; do
             dns=$2
             shift
             ;;
+        --dns6)
+            dns6=$2
+            shift
+            ;;
         --hostname)
             hostname=$2
             shift
@@ -570,7 +583,7 @@ EOF
     echo "d-i netcfg/get_ipaddress string $ip" | $save_preseed
     [ -n "$netmask" ] && echo "d-i netcfg/get_netmask string $netmask" | $save_preseed
     [ -n "$gateway" ] && echo "d-i netcfg/get_gateway string $gateway" | $save_preseed
-    [ -z "${ip%%*:*}" ] && [ -n "${dns%%*:*}" ] && dns='2001:4860:4860::8888 2001:4860:4860::8844'
+    [ -z "${ip%%*:*}" ] && [ -n "${dns%%*:*}" ] && dns="$dns6"
     [ -n "$dns" ] && echo "d-i netcfg/get_nameservers string $dns" | $save_preseed
     echo 'd-i netcfg/confirm_static boolean true' | $save_preseed
 }