如何创建非临时 wifi 热点？

Question 1

我不确定如何在不破坏 NM 的情况下做到这一点，但可以在启动时自动运行并轻松分配 IP 地址（至少我已经使用相同的无线网卡实现了这一点）。这需要软件包hostapd和dnsmasq（不是dnsmasq-base）

/etc/hostapd/hostapd.conf：

interface=wlan0
driver=nl80211 # This works on my TL-WN722N

ssid=______

channel=6
hw_mode=g

auth_algs=1
wpa=3
wpa_passphrase=_____
wpa_key_mgmt=WPA-PSK
wpa_pairwise=TKIP CCMP
rsn_pairwise=CCMP

在 /etc/default/hostapd 中：

# Defaults for hostapd initscript
#
# See /usr/share/doc/hostapd/README.Debian for information about alternative
# methods of managing hostapd.
#
# Uncomment and set DAEMON_CONF to the absolute path of a hostapd configuration
# file and hostapd will be started during system boot. An example configuration
# file can be found at /usr/share/doc/hostapd/examples/hostapd.conf.gz
#
DAEMON_CONF="/etc/hostapd/hostapd.conf"

# Additional daemon options to be appended to hostapd command:-
#   -d   show more debug messages (-dd for even more)
#   -K   include key data in debug messages
#   -t   include timestamps in some debug messages
#
# Note that -B (daemon mode) and -P (pidfile) options are automatically
# configured by the init.d script and must not be added to DAEMON_OPTS.
#
#DAEMON_OPTS=""

/etc/dnsmasq.conf（与维护者的版本不同）：

--- /etc/dnsmasq.conf.dpkg-dist 2011-09-20 00:28:30.000000000 +0100
+++ /etc/dnsmasq.conf   2012-02-13 21:03:03.713554612 +0000
@@ -82,7 +82,7 @@
 # specified interfaces (and the loopback) give the name of the
 # interface (eg eth0) here.
 # Repeat the line for more than one interface.
-#interface=
+interface=wlan0
 # Or you can specify which interface _not_ to listen on
 #except-interface=
 # Or which to listen on by address (remember to include 127.0.0.1 if
@@ -133,7 +133,7 @@
 # a lease time. If you have more than one network, you will need to
 # repeat this for each network on which you want to supply DHCP
 # service.
-#dhcp-range=192.168.0.50,192.168.0.150,12h
+dhcp-range=192.168.3.10,192.168.3.49,12h

 # This is an example of a DHCP range where the netmask is given. This
 # is needed for networks we reach the dnsmasq DHCP server via a relay

在 /etc/网络/接口：

auto lo
iface lo inet loopback

auto wlan0
iface wlan0 inet static
    address 192.168.3.1/24
    broadcast 192.168.3.255

/etc/sysctl.conf补丁（sudo sysctl -p /etc/sysctl.conf修改后运行）：

--- sysctl.conf 2012-05-14 18:06:57.514873009 +0100
+++ /etc/sysctl.conf    2012-05-14 18:09:27.122876525 +0100
@@ -25,7 +25,7 @@
 #net.ipv4.tcp_syncookies=1

 # Uncomment the next line to enable packet forwarding for IPv4
-#net.ipv4.ip_forward=1
+net.ipv4.ip_forward=1

 # Uncomment the next line to enable packet forwarding for IPv6
 #  Enabling this option disables Stateless Address Autoconfiguration

最后，设置 NAT iptables：

sudo iptables -A FORWARD -o eth0 -i eth1 -s 192.168.0.0/24 -m conntrack --ctstate NEW -j ACCEPT
sudo iptables -A FORWARD -m conntrack --ctstate ESTABLISHED,RELATED -j ACCEPT
sudo iptables -A POSTROUTING -t nat -j MASQUERADE
sudo iptables-save | sudo tee /etc/iptables.sav

并将iptables-restore < /etc/iptables.sav上面的exit 0内容添加到/etc/rc.local。

此设置主要通过阅读来实现本指南盯着手册页挠头。

Answer