chromebook ports

use VSPD this tool on Windows virtual out 2 connected serial port, that is, a serial port pairThen connect the 2 serial ports on VMware, at this time for VMware, these 2 Windows serial port is 2 physical serial port, add serial device when the use physical serial port is selected. Once added, start the virtual system and connect the 2 serial devices. Then look at how the 2 serial ports are mapped in Linux

A firewall (iptables) is a system service located at:/etc/init.d/iptablesFirewall configuration information, saved in this file:/etc/sysconfig/iptablesThe Firewall service start, stop, restart, query status, save configuration and other commands as follows:# Service iptables start/stop/restart/status/saveLinux Firewall Open specific ports (iptables)Service iptables Status View firewall stateService iptables start to turn on the firewallService iptable

first, port and service relationships The corresponding relationship between the port number and the corresponding service is stored in the/etc/services file, where most of the ports are found. Using the netstat command The name of the service displayed is also found from this file. Some people say that you can disable the port number in this file by commenting out the corresponding port numbers. I tried but did not work, this method should be no u

Nginx is a lightweight WEB server, reverse proxy server and e-mail server, this article describes the use of different ports in the virtual machine to simulate different servers, and the use of Nginx reverse proxy function to achieve server load balancing effect. Create a new two sites First, create two WEB directories as sites under different servers, one is website-a, and the other is website-b. These two site directories should be on different se

In the previous 9 articles to share with you the construction of the 2008 DC and the core mode of some applications, when we have to deploy infrastructure services for the enterprise to be safe to start Windows Server 2008 with Windows Firewall, and many enterprises will also Deploy some security-resolution products (such as ISA) separately. So, to do a good job of the deployment of these products, we need to understand the Active Directory services and the network connection port on the DC, so

At present, there are many types of Internet cafe routers with dual WAN ports. Here we mainly introduce two vrouters with good performance for your reference. Yunke Netcore's latest high-performance internet cafe router with 2907NR duwan port has a powerful hardware architecture and provides high-performance packet forwarding. It is an ideal choice for small-and medium-sized Internet cafes and network access devices for small-and medium-sized enterpri

GE switches are still commonly used. So I have studied the full performance solution of the mainstream L2 switches with all-optical ports. I would like to share this with you and hope it will be useful to you. Recently, the F-engine S2200F series all-optical ports, 10-Gigabit L2 switches and F-engine S2200G series all-optical ports, which are independently develo

How to disable ports 135, 139, 445, 593, and 1025 in TCP (record), 5931025 Procedure: Close the port to prevent access to these ports by network viruses, so as to ensure computer security and reduce the impact of viruses on Internet access speed.Recently, we have found that some people are infected with a new network worm, which cannot be eliminated by using the shock wave virus exclusive tool. Please upgra

80 ports were found to be occupied while IIS was adding a Web site, there are two scenarios (a) decommissioning (b) new sites using new ports, such as 8080How to unblock 80 ports? The first thing to find out is which process takes up 80 ports, the following steps:(1) Start-run--cmd Enter the command prompt to enter NET

1. Check the port number based on the process First, enter cmd.exe In the Startup menu to enter the Command Prompt window. The "tasklist" command will list the processes that are running in the system, and write down or copy the "PID" corresponding to the processes you want to query. For example: Note that the "PID" of the same process image name is usually not the same each time, so the "PID" number will change once the process is restarted, in this case, you need to review it.

　Performance test of LAN switch interface in Flight Tower firewallUnited States flight Tower Fortinet Firewall, the default intranet interface type is hardware exchange, all intranet interfaces share a gateway, the intranet interface allows mutual access, here will be two notes A, B access to the 13, 14 ports to be tested. Notebook A's intranet IP address is set to 10.0.1.28, and the intranet IP address of notebook B is set to 10.0.1.38.Because the in

Tips for enabling ports or running programs on windows server and server Background: When an application, such as an http application, is deployed on a windows server, when the Internet accesses a webpage through the http protocol, the server must be allowed to access the website, the webpage content can be normally displayed in the visitor's browser. Otherwise, the webpage cannot be displayed normally. The results are similar to the following: So ho

04-problems that may occur when ports are frequently opened or disabled in Windows Zheng Yi 20100810 is affiliated with section 07. Miscellaneous Lao Zhao wrote an article about the problems that occur when Windows frequently opens and closes ports. he tested the MongoDB Database Service in cent OS using TCP connections from Windows Web Server 2008 R2 and ran out of socket connection resources.ProgramRep

We want to view the ports in Windows 2000/xp/server 2003 using the netstat command: Command format: netstat-a-e-n-o-s -A indicates that all active TCP connections and the TCP and UDP ports that the computer listens to are displayed. -E Indicates the number of bytes sent and received by the Ethernet, the number of packets, and so on. -N indicates that only the address and port number of all active TCP co

I set up four folders under D:/0oes:Then, I want to bind the different ports of the server with them.Collegeoes corresponds to 80 port schooloes corresponds to 90 port collegeres corresponds to 8080 port schoolres corresponding 9090 portbind non-80 ports firstOpen httped.confAdded at the end of the httped.conf:Listen 90then modify the binding path for port 80Modify the DocumentRoot C:\wamp\www to D:\0oes\co

[Editor's note: if we find that the network is disconnected on weekdays, we will use the ping command to see what went wrong. However, many hackers are using the ping command to see which computers are suitable for BOTs .]As campus networks become more and more popular, and users have improved their awareness of network knowledge, many people download some hacking tools online or use Ping commands to scan ports and IP addresses to find bots, it has a

The 1-gigabit layer-3 switch is quite common, so I have studied the 1-gigabit layer-3 Switch with high port flexibility. Here I will share it with you and hope it will be useful to you. After the success of the Gigabit center switch gmt7324, NETGEAR recently launched a more advanced layer-3 gmt7312 switch with more flexible port configurations. GSM7312 provides advanced features such as GSM7324's rich layer-2 switching, layer-3 routing, and QoS of service quality management. It has the same soft

There were few problems when publishing Web sites on IIS, because the ports are configured on their own, but recently encountered such a problem, less nonsense, see Pictures: After the launch of the site, can not start, when the error, prompting the process can not access. Find out why the port is occupied. We used to publish the site, we will set a port, and this port is different from other ports

This digest is written from:Baidu ExperienceHttps://www.cnblogs.com/ieayoio/p/5757198.htmlFirst, Windows: Start----> Run---->cmd, or the WINDOW+R key combination to bring up the command window1, enter the command: Netstat-ano, list all the conditions of the port.In the list we look at the occupied port, such as 49157, and find it first.2, view the occupied port corresponding PID, input command: Netstat-aon|findstr "49157", enter, note the last digit, namely PID, here is 2720. 3, continue to inpu

One, in the Windows operating system, the query port occupies and clears the port occupied by the programAfter elevation of privilege by: Netstat-bor with1. The process ID that the query port occupiesClick "Start" and "Run", enter "CMD" and click on the OK button to enter the DOS window, then run the following command separately:NETSTAT-A-N each port occupiedNetstat-ano each port occupancy and process PIDNetstat-aon | Findstr "80"C:\users\admin>netstat-aon|findstr "80"TCP 127.0.0.1:9080 0.0.0.0: