The main function of Port-channel in practical work is to bundle two or more ports into a virtual channel.Interface Port-channel1Description Port (1/0/5-6)Switchport Trunk Encapsulation dot1qSwitchport Trunk allowed VLAN 10Switchport mode Trunk!Interface Port-channel2Description Po
Android serial port (android serial port api) and androidserial
A few days ago, the company needed to use the logging machine statistics using the Development Board equipped with the Android system. For siege lions, they needed to read and write the serial port of the logging machine on the Android platform, after searching for something on the internet, I found
Common service name and port number, name port number
Port name port number/protocol alias
Ftp 21/tcp
Telnet 23/tcp
Smtp 25/tcp mail
Nicename 43/tcp whois
Domain 53/tcp nameserver
Domain 53/udp nameserver
Finger 79/tcp
Http 80/tcp www-http
Pop3 110/tcp pop-3
Auth 113/tcp authentication tap ident
Nntp 119/tcp read
Rtcp. py works with lcx to forward port 3389, which is much faster than socks reverse proxy on port 80.
Only port 80 (aspx webpage) is mapped to an intranet server ).
Originally, I wanted to use regeorg as a Web page socks proxy. The result was very slow.
Now it is found that the single port forwarding is good, and
Tp-link Router Port mapping 8081-Port Nexus Service Extranet Unreachable workaroundEnvironment Description:Router: Tp-link tl-r478g+Intranet Server Information:ip:192.168.1.221System: CentOS 6.5Service: NexusPort: 8081Mapping method:Problem Description:Other server services through this mapping method through the external network IP can be accessed, but this does not, the map when trying to change a number
#include /* For UART0 serial port configuration, and Operation function Description *//* First, UART0 initialization */ voidUart0_idev_init (void) {P3sel |= BIT4 + BIT5;//1. Select P3.4 and P3.5 to do UART0 communication portME1 |= UTXE0 + URXE0;//2. Enable USART0 to be sent and acceptedUCTL0 |= CHAR;//3. Select 8-bit charactersUTCTL0 |= SSEL0;//4. Select Clock Source, Aclk:ssel0 //Smclk:ssel1UBR00 =0x03;//5. Baud Ra
IIS Tomcat shares port 80 and port iistomcat80
Why is there such a demand,
The reason is,
The company has A Java web project. On another server A, the boss has recently emerged and wants to merge it into server B of this stable point, server B uses IIS to host the asp.net website,
What should we do? Stick to your head and find various solutions on the Internet:
Solution 1: isapi_redirect
I tried this met
Today, an error is reported when nginx is started, indicating that port 80 is occupied.As a result, the system immediately opened the command line, a netstat-ano command, and told me the PID that occupied port 80.Then, angrily, I opened the task management process and found the PID = 4 program. The image name is displayed as system, and I am so angry.I almost screwed up my computer. The problem cannot be so
Open the local MYSQL server port and the mysql server port
Sometimes someone else needs to connect to your database. At this time, you need to open the database port so that other hosts can connect to it. The steps are as follows:
1. Open the firewall, create inbound rules, and open port MySQL3306
2. Execute the fol
Exception handling Rollup-server http://www.cnblogs.com/dunitian/p/4522983.htmlSession state requests cannot be made to the session-state server. Make sure that the ASP. NET State Service (ASP) is started and that the client port is the same as the server port. If the server is on a remote computer, please check the hkey_local_machine\system\currentcontrolset\services\aspnet_state\parameters\ The value of t
View port usage in windows, view port usage in windows
1. Windows PlatformRun the following command in the windows command line window:1. View All port usage
C: \>Netstat-ano
Protocol local address external address status PID
TCP 127.0.0.1: 1434 0.0.0.0: 0 LISTENING 3236TCP 127.0.0.1: 5679 0.0.0.0: 0 LISTENING 4168TCP 127.0.0.1: 7438 0.0.0.0: 0 LISTENING 4168TCP
Oracle modifies port 8080 to port 8001Zookeeper
1. log on to the database with the sys account
Run the following command under SQL plus: conn sys as dba; press enter and enter the password.
Tip: If the connection is successful, proceed to step 2.
2. Modify the port number
Run the following command under SQL plus: call dbms_xdb.cfg_update (updateXML (dbms_xdb
We know, according to Ps-aux | grep xxx is to implement the process name and process number of mutual search, so we just say the process number PID line.In the example below, the process PID is resident. 1. 根据进程pid查端口: lsof -i | grep pid 2. 根据端口port查进程(某次面试还考过): lsof -i:port 3. 根据进程pid查端口: netstat -nap | grep pid 4. 根据端口port查进程 netstat -nap | grep portAn impor
session state requests cannot be made to the session-state server. Make sure that the ASP. NET State Service (ASP) is started and that the client port is the same as the server port. If the server is on a remote computer, please check the hkey_local_machine\system\currentcontrolset\services\aspnet_state\parameters\ The value of allowremoteconnection to ensure that the server accepts remote requests. If the
Some common serial port properties of the Setup method.
Set flow control
Termios_new.c_cflag = ~crtscts; Do not use flow control
Termios_new.c_cflag |= crtscts; Using hardware flow control
Termios_new.c_iflag |= ixon| Ixoff| Ixany; Using Software flow control
Masked character size bit
Termios_new.c_cflag = ~csize;
Set data bit size
Termios_new.c_cflag |= CS8; Using 8-bit data bits
Termios_
1 with 8080 ports for testing, first vi/etc/sysconfig/iptables open 080 ports
Firewall 8080 Port:-A input-m State--state new-m tcp-p TCP--dport 8080-j ACCEPT
2 Reboot Firewall command: Service iptables restart
View firewall Status: Iptables-l-N
3 Telnet test 22 and 8080 ports, the results are as follows
Command
telnet localhost 22
telnet localhost 8080
As shown in the figure above, a very strange problem has arisen, the firewall opened 22 and 8
A few days ago, the company has the use of the Android system through the Development Board to the needs of the clock machine statistics, for the siege lion needs to read and write the serial number of the clock machine on the Android platform, search for something on the internet after the discovery of Android serial on Google code Port API can be used, after the wall to get the source code discovery and demo, good good, I this post through the seria
The ping port function instance implemented by php and the phpping Port instance. Php-implemented ping port function instance. phpping Port instance this article describes the ping port function implemented by php. Share it with you for your reference. The specific implement
I read a lotArticleAnd writes are very simple (actually very simple :)). A detailed tutorial is provided.
1. Use vspd to connect two virtual serial ports on the PC. I connect com2 and com3. Click ADDR pair.
2. We can see that two virtual serial ports are connected together on virtual ports.
3. The virtual serial port is ready. First, you can directly enter the command for debugging. We open the Keil MDK and set it to the simulation m
SummaryToday, during the writing of the socket, during which I encountered viewing the status of a certain port, I then looked it up from the Internet and summarized it.ContentAs we all know, the port is not independent, it is dependent on the process. When a process is turned on, its corresponding port is turned on and the process shuts down, and the
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