surf air internet

Sometimes we connect to a Wi-Fi with no extranet connection or wired to this extreme situation, the current Android SDK does not recognize this situation, the general solution is to ping an external network.*@author Suncat*@category Determine if there is an extranet connection (the normal method can not determine whether the network connection, such as connecting the LAN)* @return*/ Public Static Final BooleanPing () {String result=NULL; Try{String IP= "www.baidu.com";//Ping address, can be repl

Ruijie client does not support multiple network cards, while installing WINDOWSPHONESDK, hyperv WP Simulator will add several virtual network adapters, the simplest way is to directly delete these virtual adapters. Or can let Ruijie support multi-NIC, online should have related patches, I did not know.1: Open Hyperv Manager2: Select Emulator 8.1*** in the Virtual machine column (there may be multiple, one at a time), then select the virtual Switch settings in the right action option3: Remove all

/network-scripts/ifcfg-eth0,:This interface appears, indicating the current IP device configuration parameters.Add the following information at the end of the file: then save the exit. (Wq)At the same time in the terminal input vi/etc/sysconfig/networking/ifcfg-eth0, here the (ifcfg-eth0 file is newly created, so the content is empty), enter the following content in the file: and save the exit.At this point, in the terminal input ifdown eth0, close eth0, and then in the input ifup eth0 command,

Three stepsOne, adjust VM virtual machine mode to NAT mode650) this.width=650; "src=" http://s3.51cto.com/wyfs02/M00/53/B2/wKiom1RtrdLjg7DmAAOikiHhQw4887.jpg "style=" float: none; "title=" 001.png "alt=" Wkiom1rtrdljg7dmaaoikihhqw4887.jpg "/>650) this.width=650; "src=" http://s3.51cto.com/wyfs02/M01/53/B2/wKiom1RtrdPRgSsGAAL4-3hfMA8471.jpg "style=" float: none; "title=" 002.png "alt=" Wkiom1rtrdprgssgaal4-3hfma8471.jpg "/>Second, set up the host network environment650) this.width=650; "src=" Htt

flagsmetricrefuseiface0.0.0.0 10.0.2.1 0.0.0.0ug0 00eth110.0.2.0 0.0.0.0nbsP;255.255.255.0u00 0eth1192.168.56.00.0.0.0 255.255.255.0U 000eth0 the default gateway :10.0.2.1 if it shows:[emailprotected]:~$route-nkerneliprouting. tabledestinationgateway genmaskflagsmetricref UseIface0.0.0.0192.168.0.1 0.0.0.0UG0 00eth010.0.2.0 0.0.0.0255.255.255.0U 00 0eth1192.168.56.00.0.0.0 255.255.255.0u00 0eth0Execute the following command:[Email protected]:~$ sudo route del dafault GW 192.168.56.1 eth0 [email

installed virtual machine suddenly can't surf the internet, the error is very strange, the specific error is as follows: /etc/init.d/network restart Restarting network (via Systemctl): Job for Network.service failed because the control process exited with error code. "Systemctl status Network.service" and "Journalctl-xe" for details. [Failed] Use the Systemctl status Network.service command to see the resul

/REDIAL4GThe re-connect time should not be set too short, too short may not dial the end of the replay again, will repeat.Four, dial script dial4gPort=/dev/ttyusb0mode= "At+cfun=1" gcom-d $PORT-S/etc/gcom/setmode.gcomsleep 3mode= "at+cops=0" gcom-d $PORT-S/ETC/GC Om/setmode.gcomsleep 3mode= "At+cereg=1" gcom-d $PORT-S/etc/gcom/setmode.gcomsleep 3mode= "AT+CGDCONT=1, ' IP '" gcom-d $ Port-s/etc/gcom/setmode.gcomsleep 3mode= "at+cgact=1,1" gcom-d $PORT-S/etc/gcom/setmode.gcomsleep 3MODE= "AT+ZGACT

\-dmysql_datadir=/usr/local/mysql/data \-DSYSCONFDIR=/ETC \-dwith_myisam_storage_engine=1 \-dwith_innobase_storage_engine=1 \-dwith_memory_storage_engine=1 \-dwith_archive_storage_engine=1 \-dwith_partition_storage_engine=1 \-dwith_blackhole_storage_engine=1 \-dwith_readline=1 \-denable_downloads=1 \-denabled_local_infile=1 \-dmysql_unix_addr=/var/lib/mysql/mysql.sock \-dmysql_tcp_port=3306 \-dextra_charsets=all \-ddefault_charset=utf8 \-ddefault_collation=utf8_general_ciMake make installThe c

.png-wh_500x0-wm_3 -wmp_4-s_1011466800.png "title=" 01.png "alt=" Wkiol1ei6zrr7yw9aaajxt9mx0i365.png-wh_50 "/>1.1.1traceroutewith the traceroute command can see the process of packet forwarding, want to go out of the network, must find the gateway, the gateway to the packet dropped to the external network card, external network card can help us out of the network. 650) this.width=650; "Src=" Http://s5.51cto.com/wyfs02/M00/85/6B/wKioL1ei61aRuAE2AAAWQCHB5sw000.png-wh_500x0-wm_3 -wmp_4-s_3993100940

a real machine, but the virtual machine cannot be accessed because the real machine does not have a route to the virtual machine. Add a route toRoute-p Add 192.168.168.0 Mask 255.255.255.0 192.168.168.1-P indicates permanent routingIf the virtual machine is connected, but the virtual machine does not have access to the extranet, it may be true. VMware NAT Service does not openComputer--"management--" serviceStart the VMware NAT service650) this.width=650; "src="/e/u261/themes/default/images/spa

Recently has the Forum Netizen feedback, in uses 360 with the WiFi, the mobile phone can connect on the WiFi but cannot the Internet, also has one kind of situation is the mobile phone has been shown as being obtains the IP address, but has not been connected, causes the mobile phone to be unable to surf the net. In response to this problem, the great God suggested that you shut down the 360 security guard

to wireless network We should know that the shared network is not created out of thin air network, sharing the network quality with the computer connected to the quality of the network has a great relationship, so when the computer connected to the wireless network, do not share the network, otherwise there is no speed or open unsuccessful are likely to appear. Wireless transfer is the best two network cards, the first network of wireless network to

driver, see the contents of the Red font:Your network card is "rtl8111/8168/8411 PCI Express Gigabit Ethernet Controller", should not use r8169 this kernel driver module to drive, otherwise the phenomenon you now get the DHCP IP address, But the network card has been in constant "r8169 0000:03:00.0 eth0:link up" state. This makes it impossible to use a wired network.The right driver to download to the Realtek website, install it yourself.Http://www.realtek.com.tw/downloads/downloadsView.aspx? L

LSUSB viewing the USB cardSearch around wireless networks: sudo iwlist wlan0 scan/etc/network/interfaces configuration file pathChange the configuration file to the following file Note the SSID name and password are quoted!!! Auto LoIface Lo inet LoopbackIface eth0 inet DHCPAuto Wlan0Allow-hotplug Wlan0Iface Wlan0 inet DHCPWpa-ssid "Chenchen"Wpa-psk "123456789"Reboot and then we can connect.Copyright NOTICE: This article for Bo Master original article, without Bo Master permission not reproduce

switch off and then long press Shadowsocks this string (upper left corner) and then to the application management force stop SS and then open can be opened. 2nd method: Use FQ2 root mode to eliminate exclamation marks(It is worth noting that it seems that the FQ software can be eliminated by using the root mode, but the mode of the system VPN will not do ...)The 3rd method is cumbersome and applies to the root user:1, shutdown-power on-connected WiFi2. Set-user-Add new user3, at this time will

Uninstall the Kingsoft software, not connected to the network, wireless can be found, but the cable does not show, can not surf the Internet, Device Manager has a lot of drivers to show the exclamation mark, cannot update also cannot unload, the following figure:Solution: Lenovo to the firewall, open the network share center - Change adapter settings - local connection - right Key properties - general bel

click OK. As shown in the following illustration: Set up, try to open the browser to the Internet. Use a different terminal wired or wireless connection router to compare the test to see if the Internet is available. If other terminals can surf the internet, it may be a problem with the termi

0.0.0.0 255.255.255.0 U 0 0 0 eth1169.254.0.0 0.0.0.0 255.255.0.0 U 0 0 0 eth10.0.0.0 192.168.16.1 0.0.0.0 UG 0 0 0 eth0Enables routing and forwarding of the server core with routing capabilities# echo 1 > /proc/sys/net/ipv4/ip_forward# 或者使用下面的方式# sysctl -w net.ipv4.ip_forward=1# sysctl -p/etc/sysctl.confIt is best to modify the configuration file to make its configuration permanent.Configure NAT Rule

The phenomenon that occurs:[Email protected] net]# ifconfigLo Link encap:local Loopbackinet addr:127.0.0.1 mask:255.0.0.0Inet6 addr::: 1/128 scope:hostUp LOOPBACK RUNNING mtu:16436 metric:1RX packets:4 errors:0 dropped:0 overruns:0 frame:0TX packets:4 errors:0 dropped:0 overruns:0 carrier:0collisions:0 txqueuelen:0RX bytes:252 (252.0 b) TX bytes:252 (252.0 b)1. The first thing to do is to set up the virtual machine as a bridging mode, so that the virtual machine can share the network to

With the latest version of the GNOME desktop, Ubuntu has a wide range of services and desktop applications, allowing you to experience a comfortable operating environment with just one installation CD. Here's how to use the terminal command line to surf the Internet under Ubuntu. The first step, you need to install a software tool called w3m , open the terminal, enter the following command sudo apt-get inst