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这篇文章主要介绍“Centos7中如何部署pssh”的相关知识,小编通过实际案例向大家展示操作过程,操作方法简单快捷,实用性强,希望这篇“Centos7中如何部署pssh”文章能帮助大家解决问题。
pssh是python写的可以并发在多台机器上批量执行命令的工具,它的用法可以媲美ansible的一些简单用法,执行起来速度比ansible快它支持文件并行复制,远程命令执行,杀掉远程主机上的进程等等。
[root@localhost ~]# wget https://files.pythonhosted.org/packages/60/9a/8035af3a7d3d1617ae2c7c174efa4f154e5bf9c24b36b623413b38be8e4a/pssh-2.3.1.tar.gz
[root@localhost ~]# yum install -y make gcc gcc++ python-devel python-pip
[root@localhost ~]# tar xf pssh-2.3.1.tar.gz[root@localhost ~]# cd pssh-2.3.1[root@localhost ~]# python setup.py install
[root@localhost ~]# ssh-keygenGenerating 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.
[root@localhost ~]# ssh 172.16.1.112Last login: Tue Jun 2 09:44:24 2020 from 172.16.1.16 [root@localhost ~]# ssh 172.16.1.16Last login: Tue Jun 2 09:30:47 2020 from 172.16.1.100
创建aaa文件存放ip地址
[root@localhost ~]# cat aaa172.16.1.16 172.16.1.112
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
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
pssh部署完毕!
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