Detailed Implementation of password-free logon tutorials and Linux tutorials in linux
How to Implement password-free logon in Linux
This article mainly introduces information about password-free logon in Linux. It is very good
Tags: Log in comment local using use Send int host displayIt's a bit annoying to use passwords every time you log in to a remote host, and here's a way to use SSH keys for password-free logins.SSH key generationssh-keygen: This command is used to generate the key.The following command options are commonly used:
- t: Used to specify the key type, RSA or DSA, generally using RSA;
- B: Specify the
There are many articles on the Internet that introduce SSH-free login, the steps are as follows:1. Generate SSH Key
Ssh-keygen-t rsa-c "[Email protected]"
By default, the Id_rsa and id_rsa.pub two files are generated under the corresponding path (/your_home_path), at which point the terminal displays:
Generating public/private RSA key pair. Enter file in which to save the key (/YOUR_HOME_PATH/.SSH/ID_RSA):
Continuous carria
One is 192.168.10.131 and the other is 192.168.10.135, now to achieve two requirements:One, is 131 password-free login 135, and SCP rsync password-free copySecond, is using the SECURECRT tool to log in 135, can only use the secret key to login, can not use the password login
Two Linux machines log on to each other using ssh without A password. assume that user user1. On HostA, run ssh-keygen to generate the private key id_rsa and public key id_rsa.pub as user1, and then run the command ssh-copy-iduser1 @ HostB to copy the public key to HostB, enter the user1 password on the HostB, and then log on to the HostBssh with no password
Two
Because you want to install Hadoop so you need to set up SSH password-free login, SSH installation is not described here:My system is ubuntu15.10, began to follow the online a lot of steps to configure, and finally found the login password, login multiple times is also the caseFinally, the online search of a lot of information to solve the problem. So write down
Setting the password-free logon mode for Linux users sometimes requires users to log on without a password. the solution is as follows: switch to the root user and modify the/etc/shadow file. Chmod644/etc/shadowvim/etc/shadow remove the user's password string to git: $1 $ GaiMGXaE $ H3R... setting the
I received a request today to activate six servers for password-free login between servers.
Unified configuration of all servers: 1-3
1. Modify the hosts file and write the hostname and IP address of all servers to/etc/hosts.10.1.1.1 ip-10-1-1-110.1.1.2 ip-10-1-1-2
2. Modify/etc/ssh/sshd_conf#> VI/etc/ssh/sshd_config??????? Find the following content and remove the annotator "#"Rsaauthentication YesPubkeya
installation, and installed is the latest version of 4.6.4, as follows: wget Https://files.phpmyadmin.net/phpMyAdmin/4.6.4/phpMyAdmin-4.6.4-all-languages.zip Unzip phpmyadmin-4.6.4-all-languages.zip-d/data/dg/ Mv/data/dg/phpmyadmin-4.6.4-all-languages//data/dg/app_db/ chmod 755-r/data/dg/app_db/ Note: phpMyAdmin requires a LNMP environment, so it is necessary to install the relevant basic environment before running the phpMyAdmin. phpMyAdmin decompression After the installation is complete, w
Pre-configuration:in Root Identity Login .Exit Click Other and log in to root.Modify the host name and restart.Vim/etc/sysconfig/networkChange to Node1Vi/etc/ssh/sshd_configFind the following and remove the comment "#"Rsaauthentication YesPubkeyauthentication YesAuthorizedkeysfile. Ssh/authorized_keysThe configuration file has been modified to restart the SSHD serviceService sshd Restart Modify /etc/hosts:IP node1IP node2IP node3SSH Password-
SSH password-less logon requires the public key and private key. In Linux, ssh-keygen can be used to generate public/private key pairs. The following uses centos as an example.
There are machines A (192.168.1.155) and B (192.168.1.181 ). Now I want a to log on to B via SSH without a password.
1. Generate a public/private key pair on host.[Chenlb @ A ~] $ Ssh-keygen-t rsa-p''
-P indicates the
Tags: Data set start MySQL install image open occupy Inux mysql5.7 After MySQL5.7, the initial password is not empty by default, but a randomly generated password.
In the Mysql/data directory, an. err file is generated (equivalent to the log log file under Linux, which is occupied by the MySQL service).
Use Notepad to open directly.
Write down the pass
]192.168.100.247 (no password required, login successful)If you specify a different file name when generating the key pair (or if you need to control n machines, you will generate a multi-pair key), you need to specify the private key file with the parameter-I# SSH [email protected]192.168.100.247 (no password required, login successful)Linux SCP Remote replication commandSCP local_file [email protected]_ip
application for Ssh-copy-id: If you have modified the port, you need to add the-p parameter and enclose it in quotation marks. such as: Ssh-copy-id-i id_dsa.pub "-p 520520 [email protected]"Password-Free Login summary:1) password-free login is one-way.2) User-based, preferably not across users3) SSH Connection slow pr
Windows to Ubuntu password free login
First check if there is a. ssh folder under the C-Drive user folder, and check if there are at least two files in the folder, one is Xxx_rsa and Xxx_rsa.pub, one is the private key file and one is the public key file.
If not, execute ssh-keygen-t rsa-c "you set the name or email address" to generate a new secret key, enter will prompt you to enter the
SSH login with no password to use the public and private keys. Linux can be used to generate a public/private key pair with Ssh-keygen, below I take CentOS as an example.There is machine A (192.168.1.155), B (192.168.1.181). Now want to a through SSH password-free login to B.First, take the root account login as an example.1. Generate a public/private key pair un
SSH login with no password to use the public and private keys. Linux can be used to generate a public/private key pair with Ssh-keygen, below I take CentOS as an example.There is machine A (192.168.1.155), B (192.168.1.181). Now want to a through SSH password-free login to B.First, take the root account login as an example.1. Generate a public/private key pair un
ssh-keygen -t rsa -P ‘‘The id_rsa.pub of all the machines is pooled into the authorized_keys of one server, and the Authorized_keys is distributed to other machines.1 a public/private key pair is generated under a machine.ssh-keygen -t rsa -P‘‘Tap the ENTER key toIt generates the. SSH directory under/home/hadoop, with Id_rsa and id_rsa.pub under SSH.2. Copy the id_rsa.pub under the a machine into the. ssh/authorized_keys file under the B machine.
[[emailprotected] ~]$ scp .ssh/id
Principle IntroductionFor ease of understanding, it is assumed that the hadoop148 machine can be connected to the hadoop107 by means of a password-free login.First, a key pair is generated on the hadoop148, including a public key and a private key, and the public key is copied to the hadoop107.Then when the hadoop148 is connected to the hadoop107 machine via SSH, the hadoop107 machine generates a random num
Configure SSH password-free login1) Verify that the ssh:ssh-version is installedThe following shows the successful installation of theOpenssh_6.2p2 ubuntu-6ubuntu0.1, OpenSSL 1.0.1e 2013Bad escape character ' rsion '.Otherwise installation Ssh:sudo Apt-get install SSH2) ssh-keygen-t dsa-p "-F ~/.SSH/ID_DSAExplain that the Ssh-keygen represents the generated key;-t (note case sensitive) represents the specif
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