centos command line network config

Use the command line to set Raspberry Pi's Wi-Fi network If you have not logged on to the Common graphic user interface, This method is suitable for setting Raspberry Pi's wifi. Especially when you do not have a screen or wired network, you only use the serial control line.

drive-free USB wireless network card$ iwconfigEth0 no wireless extensions.Wlan0 IEEE 802.11abgn ESSID: "Zhang"mode:managed frequency:2.427 GHz Access point:10:48:b1:e8:7d:b2Bit rate=6.5 MB/s tx-power=20 dBmRetry short Limit:7 RTS thr:off Fragment Thr:offPower Management:offLink quality=70/70 Signal level=-28 dBmRx Invalid nwid:0 Rx Invalid crypt:0 Rx Invalid frag:0Tx excessive retries:12 Invalid misc:18 Missed beacon:0Third, connect WEP encrypted

Recently in the study of MySQL Bin-log time to take into account the problem of data backup, suddenly thought that if you can be the data through the Linux command Line backup to Baidu network disk, that is how a thing. Baidu Network disk has free 2TB storage space, and has Baidu to do patron, not afraid of data loss,

When you find that the Internet access speed slows down, people usually first test their computer's network connection speed to the network service provider (usually called the last kilometer. Speedtest.net may be the most widely used website to test the bandwidth speed. Working Linux commands of Speedtest.net When you find that the Internet access speed slows down, people usually first test their computer'

Ubuntu command line to modify the network configuration method vi/etc/network/interfaces1. configure the network adapter autoeth0ifaceeth0inetdhcp2 in DHCP mode. configure a static IP address (dns-search does not know what it is) for the Nic autoeth0ifaceeth0inetstatica... u

Vnetlib, a powerful Virtual Network Configuration tool under the command line The production of the VMware Server Green Edition has played a major role. To like it, you can find vnetlib.exe In the VMware server‑workstation‑payerdirectory. To create a virtual network adapter use: Start/Wait vnetlib -- add adapter vm

In LINUX, the network configuration command ifconfig is similar to ipconfig in the WINDOWS command line. You can use the ifconfig command to configure and view the network interface configuration. For example: (1) configure the IP

="Homeonessid"PSK="Passwordone" Priority=1Id_str="Homeone"}network={SSID="Hometwossid"PSK="Passwordtwo" Priority=2Id_str="Hometwo"}Add a WiFi network without a passwordAdding a WiFi network without a password requires attention to set KEY_MGMT to Nonenetwork={ SSID="ssid_name" key_mgmt=none}Settings for IPAuto Wlan0iface wlan0 inet static 192.168

WPA encryption and requires additional configuration, using the Wpa_passphrase software, the Ubuntu system has[HTML]View PlainCopy #wpa_passphrase ESSID PWD > Xxx.conf #wpa_supplicant-B-i wlan0-dwext-c./xxx.conf #iwconfig Wlan0 #dhclient Wlan0 At this point, the wireless network connection is successful!After reboot, you need to configure again, can be configured as a script, but also more convenientTransferred from: http:/

Linux Command Line test network speed In many cases, we need to test the uplink and downlink bandwidths of Linux servers. Speedtest.net may be one of the most widely used websites ".Speedtest.net provides a command line version-speedtest-cli. The following shows how to use s

tools are used here. The reason for not using the firebug plug-in is that its "network" analysis module is "powerful" without Firefox built-in Developer Tools ") We mainly use its "network" module to view the URL-related HTTP request content sent by the browser and the site's HTTP Response content when accessing a website, in its "Viewer" module, locate the corresponding HTML Tag that triggers the browser

Configure the DHCP address for the NIC: To configure the DHCP address, edit/etc/Network/interfaces and enter the following lines (assume that your network adapter is eth0 ):Sudo VI/etc/Network/interfaces# The primary network interface-use DHCP to find our addressAuto eth0Iface eth0 Inet DHCP // specify as DHCPAfter en

or other methods are processed to increase the size of the index. We can predict in about a day whether we need to deal with the current index growth problem. MonitoringAfter a year of monitoring MONGO production instances, I listed the key thresholds that the series needed to monitor.Index sizeIt is necessary to adjust the appropriate size of the Mongod memory according to your work needs. Take Heyzap as an example, we need to put all the indexes in memory, when browsing the old game or user c

In many cases, we need to test the uplink and downlink bandwidths of Linux servers. Speedtest.net may be one of the most widely used websites that can be used to test the bandwidth speed ;. Speedtest.net provides a command line version mdash; speedtest-cli. The following shows how to use speedtest-cli in Linux command line