SEARCH KEYWORD -- NETWORK
China to expand 4G network across the country
According to Xinhua news, China Mobile, the country's largest telecommunication company is expanding its commercial trials of 4G network across the country including Tibet. On Tuesday, the Tibet branch of China Mobile held a ceremony to mark the beginning of its 4G network trial in Tibet. This plan includes building new 4G base stations there and also provide support for connecting to the 4G network. In this new plan, China Mobile's high speed network services will soon benefit people living in ...
4G,China Mobile,Tibet 2013-06-13 05:06:41
Networking Terminologies
Portmaps sudo apt-get install -y portmap Portmap is a part of ONC RPC (Open Network Computing Remote Procedure) collection of software for implementing remote procedure calls between Computer Programs. It is widely used by NFS (Network File System) and NIS. Portmap is a server that converts RPC program number to DARPA protocol port number. It must be used in order to make RPC calls. Network Infomation Service (NIS) sudo apt-get install -y nis NIS is a client server directory service provi...
Linux,Network programming,Network file system 2012-02-16 06:22:30
Configure static IP for Linux
When a Linux server is running, it has to have an IP so that other machines can talk to it. It is often desired that the server would own a static IP so that every time other machines want to connect to it, the same IP address would be used. This is extremely useful when there are virtual machines installed on a host machine where the virtual machine would start and stop now and then. To configure static IP address for a Linux server, the /etc/network/interfaces needs to be updated. Assumi...
Create host only network on VirtualBox
Previously we showed how to install Ubuntu in VirtualBox. What if we want to communicate with the host OS from within the Guest OS on VirtualBox? There are a few ways to do this. For example, bridged network, Host only networks. Today we will show you how to enable network communication between host OS and guest OS using host only networks. A host only network will not need to access the physical network interface of the host OS. It will create a network between different virtual machines and th...
VIRTUALBOX,NETWORK,VIRTUAL MACHINE,HOST-ONLY 2015-12-01 09:29:13
Difference between localhost and 127.0.0.1
Lots of people would think what the address 127.0.0.1 is when first seeing this address. In fact, 127.0.0.1 is a loopback address which refers to the local machine. It is generally used for local testing. When typing ping 127.0.0.1 on local command console, it will send network packets to local IP/TCP layer to test whether IP/TCP works properly or not. To those who are used to use localhost, it is actually mapped to 127.0.0.1 by default. There are hosts files in the system which store this...
LINUX,NETWORK,LOCALHOST,127.0.0.1,LOCALHOST VS 127.0.0.1 2018-09-29 22:11:12
25 worst passwords in 2012
Weak password is a serious security vulnerability, but the majority of network users still use some universal simple character sequences as the password. SplashData recently announced the world's worst password list in 2012. "password","123456" and "12345678" are still at top places, while others have varying, some new passwords like "welcome" "Jesus" "ninja","mustang"and "password1 "are in the list. With the risk of password loss, SplashData CEO Morgan Slain said we hoped netw...
Create wireless hotspot on your smartphone
It's now very common that you may not get Internet connection in first few days when you move to a new place. And you may have some important things to handle or you may just want to connect to Internet and share with others your new place. If you have a smartphone which has enough mobile data package, then you are on the way to enjoy Internet. Today we will introduce how to create a wireless hotspot on your smartphone with Samsung Galaxy S3 i9300. Step 1 Go to Settings -> More Settings ->...
Wireless hotspot, Smartphone, Samsung 2013-01-12 23:08:39
VirtualBox Q&A(Host OS: Windows; Guest OS: Ubuntu)
This is a Q&A post after sharing Guide for installing Ubuntu in VirtualBox on Windows 1. If the resolution of the installed guest OS on the VirtualBox is too small(For example 640x480) and you cannot adjust it through System Settings -> Display, what should you do? A: In this case, it is mostly probably you don't have the VirtualBox Guest Additions installed. You can install the Guest Additions on your guest OS by: sudo apt-get install virtualbox-guest-dkms Then restart the VM and you wil...
VIRTUALBOX,HOST ONLY,RESOLUTION,Q&A,STATIC IP 2016-08-12 04:24:40
Get Facebook, Twitter and YouTube back
Facebook, Twitter and YouTube have become part of many people's daily network life. People hang around these sites to network with known and unknown friends, to know about the latest news and to relax with fancy video clips. But what will you feel if all of a sudden you cannot access them? Want to experience this? Go behind the GFW(Great Firewall) of China. Just a joke, but it's real. Huh, you are out of China? Don't worry. Change your DNS server to those located in China. I just experienced it,...
DNS spoofing, GFW, YouTube, 37.61.54.158 2014-12-20 21:41:34
Only 4G can resolve the conflicts between China Telecom Carriers and WeChat ?
Why WeChat has made the three big Chinese telecom companies uncomfortable? Let's analyze from both technical and commercial levels. From a technical point of view, Mr. Huang, Dean of China Mobile Research Institute, described the impact of "always online service" applications like WeChat. Instead of using technical terms, we will explain in simple vivid phrases. First, mobile QQ, or WeChat, will have their own "request frequency". These requests are sent to the carrier network, to check the re...
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