minimizing the installation.SSH configuration:1. Modify the Vi/etc/ssh/sshd_config to remove and modify the parameter values according to the parameter annotations that the template will modify:Port 22 Specifies the port number of the SSH connection, the default 22 port is not recommended for securityProtocol 2,1 allows SSH1 and SSH2 connections and is recommend
Ps: how to change the SSH port in Ubuntu
(1) modify the SSH port1.1 Modify/etc/ssh/sshd_config
Port 22 // The default ssh Port is 22.Port 25680 // change the Port number to 25680Ps: when changing a service port, it is best not to delete the original port number to avoid affecting others' use. Add a port first. After th
Objective:Tidy up a long time ago to do offsite backup, data synchronization has the use of SSH password-free through the key to login steps.For security reasons, a simple configuration of the SSH service is requiredDescriptionServer: Servers (or destination machines that store data offsite) or understood as destination addresses in IP trafficClient: Both worksta
following command:Router (config) # aaa new-modelRouter (config) # username BluShin password p4ssw0rdRouter (config) # ip ssh time-outRouter (config) # ip ssh authentication-retriesTo verify that you have configured SSH and it is running on your vro, run the following command:Router # show ip sshAfter verifying the configura
using ssh+ Password Authentication (basic SSH configuration method)Note: When a user logs on to a switch using SSH, the switch authenticates the user who is logged on by using a passwordgenerate RSA and DSA key pair [H3c]public-key Local create RSA [H3c]public-key Local Create DSA Set the authentication mode on the use
Linux SSH password-free login configuration because of learning hadoop, SSH password-less login is required between clusters, so before installing hadoop, you must configure password-less SSH Login between machines. How do I Configure SSH login without a password? The follow
Tags: oracle RAC ssh publickey password gssapi-with-mic Trusted peering configurationIssue: When installing the Oracle 11g R2 RAC Grid, configure the two-node SSH trusted peer configuration to be unsuccessful, with the following error message:------------------------------------------------------------------------Verifying SS
: Openssh-clientsThere are also openssh, generating ssh-keygen tools and so on. These packages are generally required to be installedOn Redhat systems, the Openssh-server is installed by default and starts automatically on boot. The name of the server-side executable that the installation generates is SSHD, and you can use service sshd status to see if the sshd for the current system is runningsshd configuration
transmission efficiency enable service editing /etc/xinetd.d/rsync settings disable = on enable default do not enable restart xinetd process service xinetd restart example Week 1 to Week 6 do a backup crontab-e0 2 * * 1-6/usr/bin/rsync-arhz--delete [Emailprotected]:/web /backup nbsp Copy the Web directory of another host to the back of this machine -a Keep file properties-r subdirectory recursive processing-H Keep file hard link-Z backup file transfer time compression processing--progres
to host01, copy the authorization file to host02, host03 ..., the command is as follows:Scp/root/.ssh/authorized_keys host02:/root/.ssh/#拷贝到host02上scp/root/.ssh/authorized_keys host03:/root/.ssh/# Copy to host03 Scp/root/.ssh/authorized_keys host04:/root/.
/private RSA key pair.Enter file in which to save the key (/HOME/LIUCC/.SSH/ID_RSA):Enter Passphrase (empty for NoPassphrase):Enter same Passphrase again:Your identification have been saved in/home/liucc/.ssh/id_rsa.Your Public key have been saved in/home/liucc/.ssh/id_rsa.pub.The key fingerprint is:2f: aa: -: to: the: *: a6:5c:b3:e9:fc:b3:d0:0d: -: C8 LIUCC@ubun
, B is the server side)
So, the key question is how to generate the key pair on a machine and send the public key to the B machine.
Configuration steps
First: Generate secret key pairs on a machine
SSH-KEYGEN-T RSAThen there will be two files in the/root/.ssh/directory: Id_rsa and Id_rsa.pub
Second: Copy the id_rsa.pub to a file named Authorized_keys in this cat
Oracle rac ssh equivalence configuration (I). To facilitate communications between nodes in the RAC environment, you must configure the SSH equivalence statement: when a user or program is connected from one machine to another without a password, the background of this application is: the Installation Process of Clusterware and Database is first installed on a no
/id_dsa.pub [email protected]The authenticity of host ' 192.168.100.101 (192.168.100.101) ' can ' t be established.RSA key fingerprint is 5d:1b:b2:67:84:23:83:f9:59:3b:bd:91:b5:8f:c2:a9.Is you sure want to continue connecting (yes/no)? Yeswarning:permanently added ' 192.168.100.101 ' (RSA) to the list of known hosts.[email protected] ' s password:Now try logging to the machine, with "ssh" [email protected] ' ", and check in:.
1. Install SSH:$ sudo apt-get install SSH2. See if the catalog is generated. SSH:$ ls-al/home/ubuntu/3. If not, create the directory manually. SSH:$ mkdir/home/ubuntu/.ssh4. Generate public and private keys:$ ssh-keygen-t dsa-p '-f ~/.SSH/ID_DSA or $
SSH is the abbreviation for secure Shell, which is developed by the IETF Network Working Group, and SSH is a security protocol based on the application layer and the transport layer. SSH is currently a more reliable protocol that provides security for Telnet sessions and other network services. The use of SSH protocol
This article is an extension of the previous article, "git-tortoisegit complete configuration Process" , so you need to know about the previous article, of course, you can directly look down, and some of the basic operations mentioned."Git-tortoisegit Complete configuration Process": http://www.cnblogs.com/popfisher/p/5466174.html.This article is to configure the github.com account and git.oschina.net accou
Telnet Login method in the intranet is not very safe, the use of SSH landing is more secure. Let me show you how to login with SSH.Three major strides:
Create a user.
Configure the Vty user.
Configuring AAA Users
First, create a user. Enter System configuration mode
Stelnet server enable/enabled SSH service
The content source of this page is from Internet, which doesn't represent Alibaba Cloud's opinion;
products and services mentioned on that page don't have any relationship with Alibaba Cloud. If the
content of the page makes you feel confusing, please write us an email, we will handle the problem
within 5 days after receiving your email.
If you find any instances of plagiarism from the community, please send an email to:
info-contact@alibabacloud.com
and provide relevant evidence. A staff member will contact you within 5 working days.