pssh批量管理服务器

2022/8/11 23:28:31

本文主要是介绍pssh批量管理服务器,对大家解决编程问题具有一定的参考价值,需要的程序猿们随着小编来一起学习吧!

pssh批量管理服务器

目录

pssh是一个python编写可以在多台服务器上执行命令的工具,同时支持拷贝文件,是同类工具中很出色的,类似pdsh。

  • parallel-ssh: https://code.google.com/p/parallel-ssh/

安装

  • 编译安装
1 2 3 4 wget http://parallel-ssh.googlecode.com/files/pssh-2.3.1.tar.gz tar zxvf pssh-2.3.1.tar.gz cd pssh-2.3.1/ python setup.py install
  • yum安装
1 2 yum -y install epel-release yum -y install pssh
  • cygwin下安装
1 2 3 apt-cyg install python-setuptools easy_install pip pip install pssh

使用pssh

简要范例

  • pssh 在多个主机上并行地运行命令。
    • pssh -h hosts.txt -l irb2 -o /tmp/foo uptime
  • pscp 传输文件到多个主机,类似scp。
    • pscp -h hosts.txt -l irb2 foo.txt /home/irb2/foo.txt
  • pslurp 从多个主机拷贝到本地。
    • Example: pslurp -h hosts.txt -L /tmp/outdir -l irb2 /home/irb2/foo.txt foo.txt
  • pnuke 在多个主机并行地杀进程。
    • pnuke -h hosts.txt -l irb2 java
  • prsync 使用rsync协议从本地同步到远程主机。
    • prsync -r -h hosts.txt -l irb2 foo /home/irb2/foo
  • 避免ssh检查host keys:
    1 2 3 pssh -i -H host1 -H host2 \ -x "-O StrictHostKeyChecking=no -O UserKnownHostsFile=/dev/null -O GlobalKnownHostsFile=/dev/null" \ echo hi
    • 也可以加到.ssh/config
      1 2 3 4 5 cat >>~/.ssh/config <<EOF StrictHostKeyChecking=no UserKnownHostsFile=/dev/null GlobalKnownHostsFile=/dev/null EOF
  • host文件格式
    1 2 3 4 5 # 可以有空行,#开头的是注释行 # 每行一个主机,格式: [[email protected]]host[:port] 192.168.1.4 [email protected] [email protected]:2203

pssh --help

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 Usage: pssh [OPTIONS] command [...]   Options:   --version             show programs version number and exit   --help                show this help message and exit   -h HOST_FILE, --hosts=HOST_FILE                         hosts file (each line "[[email protected]]host[:port]")                         #如果指定了多个host文件(多次使用-h选择),pssh将它们连接在一起使用;                         #如果同一主机出现多次,pssh将会多次连接。   -H HOST_STRING, --host=HOST_STRING                         additional host entries ("[[email protected]]host[:port]")   -l USER, --user=USER  username (OPTIONAL)   -p PAR, --par=PAR     max number of parallel threads (OPTIONAL)   -o OUTDIR, --outdir=OUTDIR                         output directory for stdout files (OPTIONAL)   -e ERRDIR, --errdir=ERRDIR                         output directory for stderr files (OPTIONAL)   -t TIMEOUT, --timeout=TIMEOUT                         timeout (secs) (0 = no timeout) per host (OPTIONAL)   -O OPTION, --option=OPTION                         SSH option (OPTIONAL)   -v, --verbose         turn on warning and diagnostic messages (OPTIONAL)   -A, --askpass         Ask for a password (OPTIONAL)   -x ARGS, --extra-args=ARGS                         Extra command-line arguments, with processing for                         spaces, quotes, and backslashes   -X ARG, --extra-arg=ARG                         Extra command-line argument   -i, --inline          inline aggregated output and error for each server   --inline-stdout       inline standard output for each server   -I, --send-input      read from standard input and send as input to ssh   -P, --print           print output as we get it   Example: pssh -h hosts.txt -l irb2 -o /tmp/foo uptime


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