Tags: Lin pid Another GRE requires port number picture according to SOFThe tomcat port number and process under Linux1. View the Tomcat process:Ps-aux | grep tomcat (or Ps-ef | grep Tomcat is OK)You can see that there are now two Tomcat processes running, one with a PID of 9974 and another PID of 23422.2, view the
Server address: smtp.mail.yahoo.com.cn (port: 587HotMailPOP3 Server address: pop3.live.com (port: 995)SMTP Server address: smtp.live.com (port: 587)Gmail (google.com)POP3 Server address: pop.gmail.com (SSL enabled port: 995)SMTP Server address: smtp.gmail.com (SSL-enabled port
SVN server defaults to use the 3690 port number, SVN to use a non-default port, you can add a--listen-port 21来 after svnserve to modify the port number that SVN uses,
The action is as follows: At the command prompt, enter:
Svnse
Start Tomcat Server error:
Several ports (8005, 8080, 8009) required by Tomcat v5.5 Server at localhost are. The server may already is running in another process, or a system process may is using the port. To start this server you'll need to stop the other process or change the port number (s).
Cause: Port 8005, 8080,
Start Tomcat Server error:
Several ports (8005, 8080, 8009) required by Tomcat v5.5 Server at localhost are. The server may already is running in another process, or a system process may is using the port. To start this server you'll need to stop the other process or change the port number (s).
Cause: Port 8005, 8080,
We all know that a socket is a two-way communication link between two processes on a network,Socket = IP address of a process: port number, IP address of process B: Port numberThen there is a problem is interesting, different processes can listen to the same IP address: port number
Tables: protocols for each layer of the TCP/IP Reference Model
Application Layer
FTP, TELNET, HTTP
SNMP, DNS
Transport Layer
Tcp
Udp
Network interconnection Layer
Ip
Host-Network layer
Ethernet: IEEE802.3Token Ring Network: IEEE802.4
Table: Ports used by some general-purpose services in the application tier
Service
Port
Protocol
of 4 16 binary numbers per group.Ipv6:8 Group of 4 16 binary numbers per group. 1A2B:0000:AAAA:0000:0000:0000:AABB:1F2F 1a2b::aaaa:0000:0000:0000:aabb:1f2f 1a2b:0000:aaaa::aabb:1f2f 1a2b:0000: AAAA::0000:AABB:1F2F 1a2b:0000:aaaa:0000::aabb:1f2f
third, the network programming three elements of the port number overview Port nu
DHCP udp67/68DNS udp/tcp53Telnet TCP23HTTP TCP80HTTPS tcp/udp443Samba udp137/138 TCP139 TCP 445FTP TCP20/21SSH TCP22Note:The following ports are commonly used by proxy servers:(1). HTTP protocol Proxy Server common port number: 80/8080/3128/8081/9080(2). Socks Proxy Protocol Server common port number: 1080(3). FTP (Fil
The/*linux of the lower end of the port is maintained by the IANA (internetassignednumbersauthority, an internet-assigned numerical authority), and the port number is divided into 3 segments. 1, 0~1023, (10) These ports have IANA allocations and controls, and, if possible, the same port
In Oracle, the default listener port number is 1521, once someone scans the port number will know that this server is an Oracle database server, there is a great security risk, here, teach you how to modify the Oracle default port number
First, open the Run Command box, XP, Win7, Win10 system can be found directly in the Start menu, you can also use the Win + R combination shortcut keys to quickly open (Win8 preferred method). When you open the Run Command box, open the following command: After CMD completes, press ENTER or click "OK" at the bottom to open, as shown in the following illustration.
Two. After running the cmd command, you can open the computer administrator's cmd command Operation box. To see the computer
Change the port number of the MySQL database in XAMPPIf you have a MySQL database installed on your computer and you want to use a database that comes with XAMPP, you need to change the port number of the database in the XAMPP to avoid conflicts with the installed database. This example shows an example of changing to
1, with putty or other terminals to connect the CentOS system, Vi/etc/ssh/sshd_config, find #port 22
2, remove the #port 22 before the #, and then put the copy to the following, such as the 22nd port to 2020, modified as follows:
Port 22
Port 2020
Save exit
3, in the te
test with Sqoop, found that the port number 50000 is occupied, so changed the DB2 port number. The first step is to log in to the instance user of the DB2 database, and here I am db2inst1DB2 Get dbm Cfg|grep SVCENAMEYou can see what the name of the corresponding Svcename is.There is an easy problem here. According to s
Today to use Python to write a port detection applet to detect some specific service port is not occupied, suddenly found that they do not know how to query the Linux port is occupied, God, quickly learn.How Linux looks at ports1, Lsof-i: Port number is used to view the oc
Label:SQL Server, MySQL, Oracle's respective default port numberSQL Server default port number is: 1433URL: "Jdbc:microsoft:sqlserver://localhost:1433;databasename=dbname"DriverName: "Com.microsoft.jdbc.sqlserver.SQLServerDriver";MySQL default port number is: 3306Url:jdbc:my
Debugging tips Whether the port number is occupied by the--windows ports concept10.0.0.0~10.255.255.255,172.16.0.0~172.16.255.255, 192.168.0.0~192.168.255.255.Port conceptIn network technology, the port has roughly two meanings: the first is the physical port, for example, A
1, modify the HTTP port
Open the $httpd_home/conf/httpd.conf file, find the Listen, followed by the port number, the default is 80, change it to the port you want to set the number.
If you do not know the Apache installation directory, you can use the Locate httpd.conf com
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