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Preparation: Install Full Version Vi (Make Vi easy to use)

• Uninstall the common version Vi： sudo apt-get remove vim-common
• Install full version vim：sudo apt-get install vim

Lets first learn howto check the current network interface settings you can use the ifconfig command as shown below.

How to configure DHCP address for a specific network card

In order to configure DHCP address you will need to edit the 'interfaces' file /etc/network/interfaces .

Use vi editor to edit this file, vi editor is available by default on the Ubuntu server. You can use gedit on Ubuntu desktop edition, gedit is a GNOME based editor. Inside the file delete or comment (for commenting add hash '#' just before each line) everything. You are advised to use # to comment original setting so that you can revert to old setting if necessary. Now enter the following lines and save the file. And restart the network service.

Note: Replace eth0 with your own network interface card.

How to configure Static IP address for your network card

In order set static IP address you need to edit the /etc/network/interfaces.

Replace everything with the following lines. Also change eth0 with your own network interface card. Here 192.168.1.7 is the static IP address that we want to set.

After you are done with editing, save the file then you will have to restart the networking services in order to apply the new network settings. Use the following command to do so.

How to configure the DNS

DNS configuration of the Ubuntu is similar to that of other linux flavors or distributions. For static lookup you will need to add hostname and corresponding IP address to the file /etc/hosts as explained in next section.

In order to use a particular domain name server for name lookup you simply need to add its IP address to the file /etc/resolv.conf. For example if we want to use a domain name server, with IP address 192.168.1.10, for domain name lookup we will have to edit resolv.conf file. Open the file with the following command.

And then add the following lines.

How to set or change hostname in Ubuntu

Hostname can be very easily manipulated in Ubuntu. You can directly query, or set the hostname with the hostname command.

To see the current hostname use the following command.

To change the hostname use the command given below, change the newhostname with your own hostname.

When your system reboots it will automatically read the hostname from the file /etc/hostname.

How to setup second IP address or virtual IP address in Ubuntu

Sometimes you may need to setup a second IP address for your computer, specially if you are a server administrator. To do this you need to edit the /etc/network/interfaces file.

Add the following lines in the file. Change according to your IP address settings.

You need to enter correctly all the network details such as address, netmask, network, broadcast and gateway values. Once you have completed this, save this file and then restart networking services using the following command so that new settings are applied.

Refer Link: http://www.botskool.com/geeks/how-configure-network-ipv4-dns-or-dhcp-using-terminal-ubuntu-server

Problems：

After install Ubuntu 15.10，the login screen idisplay normal, but the screen flicker display every second after login

Solution：

The problem is cause by not installing the proper driver for the Ubuntu system, run the commands below:

sudo add-apt-repository ppa:bumblebee/stable
 
sudo apt-get update
 
sudo apt-get install bumblebee bumblebee-nvidia
 
sudo reboot

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Description (Image Above)：GBPAUD weekly chart，GBPAUD will have high probability go up, "Sar Trading Station" EA robot has open long position last week (镑澳澳周线,镑澳即将上涨,"Sar Trading Station"机器人已经开始上周做多)

Setting (Image Below)：MT4 EA setup（F7）1Hour timeframe "Sar Trading Station" robot will buy gbpaud when the price is below 1.8(white EMA line) and trade 2 rounds.(1号机器人在镑澳澳跌到白色均线附近1.80后启动补仓程序,做多两轮）

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Description (Image Above)：EURAUD weekly chart，EURAUD will have high probability go up, "Sar Trading Station" EA robot will long EURAUD (欧澳周线, 欧澳即将上涨,"Sar Trading Station"机器人会开始做多euraud)

Setting (Image Below)：MT4 EA setup（F7）1Hour timeframe "Sar Trading Station" robot will buy euraud when the price is below 1.45 and trade 2 rounds.(1号机器人在欧澳跌破1.45后启动做多,做两轮）

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Description (Image Above)：AUDUSD monthly chart (above) and weekly chart，AUDUSD will have high probability go down, "Sar Trading Station" EA robot will short sell AUDUSD soon when the price is close to the 3rd line of weekly chart (澳美月线和周线, 澳美即将大幅下挫,"Sar Trading Station"机器人会开始做空AUDUSD 当价格反弹到周线第三根线附近)

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1.Test AUDUSD from 11/04/2016 to 13/04/2616, setup trading with 1 minute timeframe chart.

 2. setup Risk=50 (Stop Loss=50 Us Dollar), BuyOrSell=Auto, Other parameter is default.

3. The Strategy test is shown as below, Total trade 37 times, Short position is 15, long position is 22, Profit Trades 32 (86.49%), Loss Trades is 5 (13.51%), Maximum consecutive win is 19 times and 491 US Dollar Profit.......Total net profit is 389.25 US Dollar

Please Visit "https://www.mql5.com/en/market/product/10164"

 Please update the newest Fibonacci Channel file at(请更新最新的斐波那契通道文件) http://www.startrading.com.au/index.php/ea-robot

Description (Image Above)：#3 AUDUSD 1Hour chart, "Sar Trading Station" EA Robot will open short position @2nd line("Sar Trading Station"3号机器人在澳美反弹到1小时斐波那契通道线第2线做空)

Setting (Image Below)：MT4 EA setup（F7）#3 1Hour timeframe Robot (#1 robot short audusd @6th line of 4hours Fibonacci channel, #2 Robot cover short position of audusd @7th line of Fibonacci channel, setup -MagicNumber=-2 present #3 robot) will sell audusd @2nd line of 1hour Fibonacci channel(3号机器人在澳美反弹到1小时斐波那契通道线第2线做空,设置-MagicNumber=-2代表了3号机器人,其中1号机器人延续在4小时通道第六线做空,在4小时通道第七线补仓.）

 Please update the newest Fibonacci Channel file at(请更新最新的斐波那契通道文件) http://www.startrading.com.au/index.php/ea-robot

Description (Image Above)：GBPAUD 1Hour chart, GBPAUD rebound without new low since yesterday，"Sar Trading Station" EA Robot will open long position @5th line, and cover the long position @6th line  (镑澳昨天没有再次创出新低即大幅反弹,"Sar Trading Station"1号机器人在镑澳跌到1小时斐波那契通道线第5线追涨，2号机器人在第六线补仓)

Setting (Image Below)：MT4 EA setup（F7）#1 1Hour timeframe Robot will buy gbpaud @5th line of 1hour Fibonacci channel,#2 1Hour timeframe Robot will cover gbpaud long position @6th line of 1hour Fibonacci channel with double risk and trade 2 rounds.(1号机器人在镑澳跌到1小时斐波那契通道线第5线追涨,2号机器人在镑澳跌到第六根线以2倍Risk补仓）

Description (Image Above)：GBPAUD 4Hours chart, GBPAUD can go up，"Sar Trading Station" EA Robot will open position @8th line,and not setup profit ("Sar Trading Station"机器人在镑澳跌到4小时斐波那契通道线第8线做多，不设置止盈)

Setting (Image Below)：MT4 EA setup（F7）1Hour timeframe Robot will buy gbpaud @8th line of 4hours Fibonacci channel and trade 2 rounds.(1号机器人在镑澳跌到4小时斐波那契通道线第8线做多,做两轮,一轮之后继续第8线购买）

Description (Image Above)：GBPAUD 4Hours chart, GBPAUD can go up，"Sar Trading Station" EA Robot has open position @8th line,and take 950 points profit  ("Sar Trading Station"机器人在镑澳跌到4小时斐波那契通道线第8线做多，950点止盈,已经开仓)

Setting (Image Below)：MT4 EA setup（F7）1Hour timeframe Robot will buy gbpaud @8th line of 4hours Fibonacci channel,take 950 points profit and trade 2 rounds.(1号机器人在镑澳跌到4小时斐波那契通道线第8线做多,止盈950点,做两轮,一轮止盈之后继续第8线购买）