1、修改hostname [root@localhost local]# hostname master [root@localhost local]# hostname master [root@localhost local]# [root@localhost local]# hostname slave1 [root@localhost local]# hostname slave1 [root@localhost local]# [root@localhost local]# hostname slave2 [root@localhost local]# h...
为了给CentOS7系统增加系统的安全性,防止系统被黑,可以进行以下操作: 修改用户密码为高强度密码 创建sudo用户 修改SSH的默认22端口 禁用root账号远程登陆 使用ssh秘钥登陆并禁用密码登陆 安装DenyHosts防暴力破解软件 安装ClamAV反病毒软件 1. 修改用户密码为高强度密码 ...
[root@localhost ~]# cat .ssh/known_hosts 192.168.2.234 ecdsa-sha2-nistp256 认证记录文件 远程主机,远程主机IP,验证密码 [root@localhost ~]# ls /etc/ssh/*key* 认证文件(公私钥) /etc/ssh/ssh_host_ecdsa_key /etc/ssh/ssh_host_rsa_key /etc/ssh/ssh_host_ecdsa_key.pub /etc/ssh/ssh_host...
1. Use hostname command to Change Hostname In this example, we’ll change the hostname from dev-server to prod-server. hostname command by default will display the current hostname as shown below: # hostname dev-server The following will change the hostname to prod-server. # hostname p...
首先启动centos7虚拟机: 启动异常处理 Failed to attach the network LUN (VERR_INTNET_FLT_IF_NOT_FOUND). 我们先禁用一下“VirtualBox Host-Only Ethernet Adapter”,然后再启动: 禁用设备: 再启用设备即可。 可以使用上下键选择不同的选项,按alt键鼠标退出虚拟机回到宿主机。
yes #询问是否确认连接,输入yes的话会将对方主机公钥记录在~/.ssh/known_hosts文件中,no就退出,不连接 Warning: Permanently added 'node4' (RSA) to the list of known hosts. root@node4's password: Last login: Sat Jan 7 19:52:32 2017 from 192.168.10.3 [root@Node4 ~]# hostname Node4 [...
[root@centos7-128 .ssh]# ssh 192.168.87.127 # 使用ssh远程登陆192.168.87.127,默认是当前用户The authenticity of host'192.168.87.127 (192.168.87.127)'can't be established. ECDSA key fingerprint is SHA256:u8wZCROAUd6ZyEsKRGgZOsFNGTXX33UYEvguqqZuWrY. ...
scp user@host:file 1 file2 复制目标主机下面的file文件到自己的file2下 scp file1 user@host:file2 复制自己的file1下的文件到目标主机的file1下 2.3 sftp命令 ———安全FTP上下载 sftp user@host 进入到目标主机的sftp模式 2.4.1 ssh命令 远程安全登录 test01 的ip地址为192.168.139.128 test02的ip地址...
in theHOSTNAMEtext field. This is a special character that indicates you are adding a record for the root domain name, a record for just plainmy-website.com. In theWILL DIRECT TOtext field, enter the public IPv4 address of your server, and clickCreate Record. (No need to change the ...
t connect to local MySQL server through socket的解决方法 IIS不支持webp格式的图片,访问报错404 centos7更新失败,提示:Could not retrieve mirrorlist http://mirrorlist.centos.org 利用qshell命令行工具通过fput以文件表单的方式上传文件至对象存储报错:Upload file error:413 Request Entity Too Large的解决办法 ...