使用ansible的时候,出现如下秘钥失效的问题: root@jumpserver ftp]# ansible web -m ping The authenticity of host 'web-0005 (192.168.1.106)' can't be established. ECDSA key fingerprint is SHA256:R/65aqDq4vDdAc/X0ReiVyxiTb4/qAkKdDapX1Py1N0. ECDSA key fingerprint is MD5:ba…
Ubuntu 14.04.1为例,设置步骤如下: 一. 生成密钥的公钥和私钥 # ssh-keygen -t rsa Generating public/private rsa key pair. Enter file in which to save the key (/root/.ssh/id_rsa): Created directory '/root/.ssh'. Enter passphrase (empty for no passphrase): #输入密码 Enter same p…
官方:https://www.ssh.com/ssh/ The SSH protocol uses encryption to secure the connection between a client and a server. All user authentication, commands, output, and file transfers are encrypted to protect against attacks in the network. 密钥类型包括rsa和dsa,…
这里以三台mysql的主从服务器为例:manage.master.slave1.slave2 给4个机器生成秘钥文件 以manage为例,执行命令,生成空字符串的秘钥(后面要使用公钥),命令是: [root@manage ~]# ssh-keygen -t rsa -P '' Generating public/private rsa key pair. Enter file in which to save the key (/root/.ssh/id_rsa): Created dir…
1.检查防火墙是否关闭 (1)切换到root用户 (2)查看防火墙状态 service iptables status 这是没有关闭 (3)设置关闭 service iptables stop 2.检查selinux是否关闭 more /etc/sysconfig/selinux 图为未关闭,修改为下图 3.修改静态IP地址 more /etc/sysconfig/network-scripts/ifcfg-eth0 先查看 vim /etc/sysconfig/network-script…