ssh execute remote command

shell scripts.Generally, ssh-p port ip "command" is executed by default by the current user to a remote host.If the ssh-p port ip "command" is encapsulated into a script, the user used to execute the script will log on to the

port 2001 of the local host Ssh-n-l2001: localhost: 80 somemachine Now you can enter http: // localhost: 2001 in your browser to access this website. #### 3. Output your microphone to the speaker of a remote computer Dd If =/dev/DSP | ssh-C arcfour-C username @ host dd OF =/dev/DSP In this way, the sound from your microphone port will be output on the

file with a password of 5 characters minimum. 2, the key to generate the private key permissions must be 600 public key permissions is 644, that is, I can only view the private key file, in addition to any user other than myself to see, others can be viewed also means that anyone can log in through this private key, it is obviously not safe, the public key can be casually viewed, However, you cannot modify the content, and you can change how to pair the login. The parent directory of the key pa

SSH (Secure Shell) protocol. The Remote administration tool under the command line Interface (CLI), almost all operating systems, differs from Telnet,SSH encrypts data while it is being transmitted, so SSH is a more secure protocol. Almost all Unix-like operating systems use

Here is a small part of a python for you to use Paramiko to connect to the remote server to execute the command method. Small series feel very good, now share to everyone, also for everyone to make a reference. Let's take a look at it with a little knitting. The Paramiko module in Python is used to implement an SSH co

, ' chmod +x%s '% outpath) cmd =command (args , Outpath) result = Exec_commands (conn,cmd) result = Json.dumps (result) return [Host,result] def copy_module (Conn,inpath,outpath): ' This is copy of the module to the remote server ' FTP = conn.open_sftp () ftp.p UT (Inpath,outpath) ftp.close () return outpathif __name__ = = ' __main__ ': Print json.dumps (' Excutor ', ' ls ', '-l '), indent=4,sort_keys=true)

permissions for the owner, with the minimum of execute permissions, such as 700 or read-only permissions in the 100;authorized_keys fileNote: Authorizedkeysfile. Ssh/authorized_keys (the directory of the authentication file and the public key file name can be modified, and the corresponding directory should also be modified, such as Authorizedkeysfile. Sshd/linden.guo_ke YS, you need to set up the. sshd fo

as a simple command is available. $ SSH [email protected] If the local user name matches the remote user name, the user name can be omitted at logon. $ SSH Host The default port for SSH is 22, which means that your login request is sent to port 2

communication, once intercepted, the content is undoubtedly exposed. In 1995, Finnish scholar Tatu Ylonen designed the SSH protocol to encrypt all login information and become a basic solution for Internet security, which has become a standard configuration for Linux systems.It should be noted that SSH is only a protocol, there are many implementations, both commercial and open source implementation. The i

remote logins. Suppose you want to log in to the remote host hostname with the username user, as long as a simple command is available. $ ssh User@host If the local user name matches the remote user name, the user name can be omitted at logon. $

format.4. Jump to remote host 2 via remote Host 1:Command format:Ssh-t remoteserver1 ssh Remoteserver2Description: When the remote host Remoteserver2 cannot be reached directly, you can use the-t parameter and then jump from Remoteserver1 to Remoteserver2. In this process,

yes # enable Public Key AuthenticationPasswordauthentication no # Disable password authentication strictmodes no # change it to No. The default value is yes. If you do not change it, log on to the server refused our key and Restart sshd. /Etc/init. d/ssh restart client settingsLinuxAssume that charlee of the client is logged on to the server as a guest user. First, execute the following

. Otherwise, an error is returned. if(port==0): Note that for the first execution, you need to accept the author_key cache and check whether you have the update permission. Python connects to the remote server using ssh and runs the command code The following code uses pexpect to generate an ssh process, connect to the

the default item method. The Administrator only needs to enter the command ca generate rsa key 1024 in the command line, and the firewall operating system will automatically generate a key pair. After the key pair is generated, the Administrator also needs to use the ca save all command to SAVE the key pair. Note that different systems adopt different encryption

1. Create a public key on the local machineOpen the Universal terminal, execute the following command, ignoring all the output, all the way to enter the cheerful.Ssh-keygen-t rsa-c ' Your [email protected] '-t specifies the key type, which is RSA by default and can be omitted-C Set comment text, such as your mailbox2. Copy the public key to the SSH serverThe pub

1. The applicable order and scheme are as follows:"Remote Connect and Execute command"SSH-P22 [email protected]SSH-P22 [email protected] /sbin/ifconfig"Remote copy: Push and Pull"Scp-p22-r-p/etc [email protected]:/tmp/Scp-p22-r-P

Cause: Suddenly overnight telecommunications disturbance Dial IP Full change intranet address, so that even with the dynamic domain name, the binding is not a native IP, external inaccessible. Although the telephone to find the telecommunications reflect that can be changed back, but must first solve the immediate problem, access to the SVN repository on the intranet server.Method: Because there is a cloud host on the public network, think can pass through it, as long as the intranet host first

default item method. The Administrator only needs to enter the command ca generate rsa key 1024 in the command line, and the firewall operating system will automatically generate a key pair. After the key pair is generated, the Administrator also needs to use the ca save all command to SAVE the key pair. Note that different systems adopt different encryption mec

on Lenovo's computer will certainly fail to be uploaded to founder's computer. The transfer system is also very time-consuming. According to the hard disk size, if the 30 GB hard disk, more than 100 computers will have to be transferred for more than two hours, which is faster than a single platform installation! However, if the system is complete and you forget to install a software package, or you still need to make some minor modifications. You can upload the package again, but it is too slo

: Pubkeyauthentication Yes 5. Testing [[email protected] ~]# ssh [email protected]Last login:wed-2 13:39:22 2018 from 10.0.0.10[Email protected] ~]# 6. Precautions In the server side need to turn selinux off, or finally can not use the key for remote login; When the client uses the SCP command, it also needs to install the