Centos7部署轻量级自动化运维工具pssh (亲测)

ゞ浴缸里的玫瑰 2022-09-04 04:59 196阅读 0赞

下载pssh安装包

[root@localhost ~]# wget https://files.pythonhosted.org/packages/60/9a/8035af3a7d3d1617ae2c7c174efa4f154e5bf9c24b36b623413b38be8e4a/pssh-2.3.1.tar.gz

安装依赖包

# yum install -y make gcc gcc++ python-devel python-pip

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安装pssh

[root@localhost ~]# tar xf pssh-2.3.1.tar.gz
    [root@localhost ~]# cd pssh-2.3.1
    [root@localhost ~]# python setup.py install

![在这里插入图片描述][13c9b95cb2af48f7a2dce4c362f2d92d.png]  
![在这里插入图片描述][e445d374723a48db976b68057208176b.png]  
配置免密登录 (登录必须使用同一用户登录)

[root@localhost ~]# ssh-keygen
    Generating public/private rsa key pair.
    Enter file in which to save the key (/root/.ssh/id_rsa): 
    Enter passphrase (empty for no passphrase): 
    Enter same passphrase again: 
    Your identification has been saved in /root/.ssh/id_rsa.
    Your public key has been saved in /root/.ssh/id_rsa.pub.
    The key fingerprint is:
    SHA256:3antaxjGw+hdgfSlrXLYhUe5vgHe9b0ehh/gUY9E8Eg root@localhost.localdomain
    The key's randomart image is:
    +---[RSA 2048]----+
    |            E... |
    |          .. ++  |
    |         . o.*oo |
    |         ...*o*.o|
    |        S+.+o@..+|
    |        . OoB B o|
    |       . o.B.o *.|
    |        . o.. +.o|
    |           .o..o |
    +----[SHA256]-----+
    [root@localhost ~]# cd /root/.ssh/
    [root@localhost .ssh]# ls
    id_rsa  id_rsa.pub
    [root@localhost .ssh]# ssh-copy-id 172.16.1.112
    /usr/bin/ssh-copy-id: INFO: Source of key(s) to be installed: "/root/.ssh/id_rsa.pub"
    The authenticity of host '172.16.1.112 (172.16.1.112)' can't be established.
    ECDSA key fingerprint is SHA256:yFvaxR1x5YDhhe+6xR/Ou6Sm+YPYvPAoiLVKt9mAnXA.
    ECDSA key fingerprint is MD5:0d:c4:79:bc:36:7a:a4:82:95:4f:d5:d0:a3:c8:7d:2e.
    Are you sure you want to continue connecting (yes/no)? yes
    /usr/bin/ssh-copy-id: INFO: attempting to log in with the new key(s), to filter out any that are already installed
    /usr/bin/ssh-copy-id: INFO: 1 key(s) remain to be installed -- if you are prompted now it is to install the new keys
    root@172.16.1.112's password: 
    
    Number of key(s) added: 1
    
    Now try logging into the machine, with:   "ssh '172.16.1.112'"
    and check to make sure that only the key(s) you wanted were added.
    
    [root@localhost .ssh]# ssh-copy-id 172.16.1.16
    /usr/bin/ssh-copy-id: INFO: Source of key(s) to be installed: "/root/.ssh/id_rsa.pub"
    The authenticity of host '172.16.1.16 (172.16.1.16)' can't be established.
    ECDSA key fingerprint is SHA256:ANzlXzrGA87YLI2vzkPJ/iNPiSQ5JStJc95948jE8aw.
    ECDSA key fingerprint is MD5:f9:f1:1b:5a:99:64:d8:d8:e9:9b:e6:bb:c3:d5:bd:e7.
    Are you sure you want to continue connecting (yes/no)? yes
    /usr/bin/ssh-copy-id: INFO: attempting to log in with the new key(s), to filter out any that are already installed
    /usr/bin/ssh-copy-id: INFO: 1 key(s) remain to be installed -- if you are prompted now it is to install the new keys
    root@172.16.1.16's password: 
    
    Number of key(s) added: 1
    
    Now try logging into the machine, with:   "ssh '172.16.1.16'"
    and check to make sure that only the key(s) you wanted were added.

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**测试免密登录**

[root@localhost ~]# ssh 172.16.1.112
    Last login: Tue Jun  2 09:44:24 2020 from 172.16.1.16
    [root@localhost ~]# ssh 172.16.1.16
    Last login: Tue Jun  2 09:30:47 2020 from 172.16.1.100

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**测试pssh**  
创建aaa文件存放ip地址

[root@localhost ~]# cat aaa
    172.16.1.16
    172.16.1.112

批量执行date命令

[root@localhost ~]# pssh -h aaa -l root -P "date"
    172.16.1.16: 2020年 06月 02日 星期二 09:59:48 CST
    [1] 09:59:48 [SUCCESS] 172.16.1.16
    172.16.1.112: 2020年 06月 02日 星期二 09:59:48 CST
    [2] 09:59:48 [SUCCESS] 172.16.1.112

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查看磁盘

[root@localhost ~]# pssh -h aaa -l root -P "lsblk"
    172.16.1.16: NAME            MAJ:MIN RM  SIZE RO TYPE MOUNTPOINT
    sda               8:0    0   20G  0 disk 
    ├─sda1            8:1    0    1G  0 part /boot
    └─sda2            8:2    0   19G  0 part 
      ├─centos-root 253:0    0   17G  0 lvm  /
      └─centos-swap 253:1    0    2G  0 lvm  [SWAP]
    sr0              11:0    1  4.2G  0 rom  
    [1] 10:13:02 [SUCCESS] 172.16.1.16
    172.16.1.112: NAME            MAJ:MIN RM  SIZE RO TYPE MOUNTPOINT
    sda               8:0    0   20G  0 disk 
    ├─sda1            8:1    0    1G  0 part /boot
    └─sda2            8:2    0   19G  0 part 
      ├─centos-root 253:0    0   17G  0 lvm  /
      └─centos-swap 253:1    0    2G  0 lvm  [SWAP]
    sr0              11:0    1  4.2G  0 rom  
    [2] 10:13:03 [SUCCESS] 172.16.1.112

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![在这里插入图片描述][c51dfbf52b8a48edb7e197a3ca33734e.png]  
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**测试客户端登录服务端，CentOS和Ubuntu都需要密码登录，没异常。**  
![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_Q1NETiBA5a-w5a6HMDAx_size_26_color_FFFFFF_t_70_g_se_x_16]  
Ubuntu要生成密钥，方便ssh直接登录  
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![在这里插入图片描述][f8614e74a08944c799b90208b9aebf18.png]  
没有服务端ip地址，客户端必须输入密码  
![在这里插入图片描述][bc75f7c2150f42f29c62bcfc62f2b8fb.png]  
![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_Q1NETiBA5a-w5a6HMDAx_size_29_color_FFFFFF_t_70_g_se_x_16 1]  
![在这里插入图片描述][a03fea24256d4c1bbfbf12a1d3420c65.png]

pssh部署完毕！

参考链接 ：

Centos7部署轻量级自动化运维工具pssh

https://www.linuxprobe.com/centos-pssh.html

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