{"id":19573,"date":"2017-05-26T06:13:03","date_gmt":"2017-05-25T22:13:03","guid":{"rendered":"https:\/\/2blog.ilc.edu.tw\/25793\/2017\/05\/26\/ssh-server-%e4%bd%bf%e7%94%a8-pssh-%e4%b8%80%e6%ac%a1%e5%90%8c%e6%99%82%e6%93%8d%e6%8e%a7%e5%a4%9a%e5%8f%b0-server\/"},"modified":"2021-03-18T17:25:02","modified_gmt":"2021-03-18T09:25:02","slug":"ssh-server-%e4%bd%bf%e7%94%a8-pssh-%e4%b8%80%e6%ac%a1%e5%90%8c%e6%99%82%e6%93%8d%e6%8e%a7%e5%a4%9a%e5%8f%b0-server","status":"publish","type":"post","link":"https:\/\/2blog.ilc.edu.tw\/25793\/2017\/05\/26\/ssh-server-%e4%bd%bf%e7%94%a8-pssh-%e4%b8%80%e6%ac%a1%e5%90%8c%e6%99%82%e6%93%8d%e6%8e%a7%e5%a4%9a%e5%8f%b0-server\/","title":{"rendered":"SSH Server – \u4f7f\u7528 pssh \u4e00\u6b21\u540c\u6642\u64cd\u63a7\u591a\u53f0 Server"},"content":{"rendered":"

\u53c3\u8003\u7db2\u9801\uff1a
CentOS 7 : SSH Server : Use Parallel SSH : Server World<\/a> <\/p>\n

\u5982\u679c\u6709\u591a\u53f0 Server \u8981\u67e5\u770b\u6216\u9032\u884c\u8a2d\u5b9a\uff0c\u53ef\u4ee5\u8003\u616e\u4f7f\u7528 pssh\u3002
\u4f7f\u7528\u9650\u5236\uff1a
\u9019\u5e7e\u53f0 Server \u7684\u5bc6\u78bc\u8981\u4e00\u6a23\uff0c\u6216\u662f\u5148\u597d \u982d\u57ce\u570b\u5c0f\u8cc7\u8a0a\u7d44 | \u514d\u5bc6\u78bc\u767b\u5165 SSH Server<\/a> \u7684\u8a2d\u5b9a\u3002 <\/p>\n

1. \u5b89\u88dd pssh
# yum install pssh –enablerepo=epel<\/span> <\/p>\n

2. \u67e5\u770b 192.168.1.9<\/span> \/ 192.168.1.10<\/span> \u7684\u958b\u6a5f\u6642\u9593
-H \u8981\u64cd\u4f5c\u7684\u4e3b\u6a5f <\/span>
-i \u8981\u57f7\u884c\u7684\u547d\u4ee4<\/span>
# pssh -H “192.168.1.9 192.168.1.10” -i “uptime”<\/span>
[1] 11:19:10 [FAILURE] 192.168.1.10 Exited with error code 255 <\/span>
Stderr: pssh error: SSH requested a password. Please create SSH keys or use <\/span>
the -A option to provide a password. <\/span>
Permission denied (publickey,password). <\/span>
[2] 11:19:20 [FAILURE] 192.168.1.9 Exited with error code 255 <\/span>
Stderr: pssh error: SSH requested a password. Please create SSH keys or use <\/span>
the -A option to provide a password. <\/span>
Permission denied (publickey,password).<\/span> <\/p>\n

\u4e0a\u9762\u63d0\u793a\u9700\u8981\u8f38\u5165\u5bc6\u78bc\uff0c\u53ef\u4ee5\u4f7f\u7528 -A<\/span> \u53c3\u6578[@more@]3. \u52a0\u4e0a -A<\/span> \u53c3\u6578
# pssh -A -H “192.168.1.9 192.168.1.10” -i “uptime”<\/span>
Warning: do not enter your password if anyone else has superuser <\/span>
privileges or access to your account. <\/span>
Password: <\/span>
[1] 11:24:20 [SUCCESS] 192.168.1.9 <\/span>
11:24:20 up 13 days, 16:43, 2 users, load average: 0.57, 0.48, 0.47 <\/span>
[2] 11:24:20 [SUCCESS] 192.168.1.10 <\/span>
11:24:20 up 4 days, 20:20, 0 users, load average: 0.02, 0.06, 0.07<\/span> <\/p>\n

4. \u5982\u679c\u4e8c\u53f0\u5bc6\u78bc\u4e0d\u76f8\u540c\uff0c\u5c31\u8981\u4f7f\u7528 ssh key \u7684\u65b9\u5f0f\u4f86\u8655\u7406
# pssh -A -H “192.168.1.99 192.168.1.8” -i “uptime”<\/span>
Warning: do not enter your password if anyone else has superuser <\/span>
privileges or access to your account. <\/span>
Password: <\/span>
[1] 11:26:18 [SUCCESS] 192.168.1.99 <\/span>
11:26:18 up 13 days, 16:45, 2 users, load average: 0.29, 0.39, 0.44 <\/span>
[2] 11:26:20 [FAILURE] 192.168.1.8 Exited with error code 255 <\/span>
Stderr: Permission denied (publickey,gssapi-keyex,gssapi-with-mic,password).<\/span> <\/p>\n

5. \u5c07\u8981\u9023\u7dda\u7684 Server \u6e05\u55ae\u653e\u5728\u6a94\u6848\u4e4b\u4e2d
# cat pssh_hosts.txt<\/span>
root@192.168.1.9 <\/span>
root@192.168.1.10<\/span>
# pssh -A -h pssh_hosts.txt -i “uptime”<\/span>
Warning: do not enter your password if anyone else has superuser <\/span>
privileges or access to your account. <\/span>
Password: <\/span>
[1] 11:24:20 [SUCCESS] 192.168.1.9 <\/span>
11:24:20 up 13 days, 16:43, 2 users, load average: 0.57, 0.48, 0.47 <\/span>
[2] 11:24:20 [SUCCESS] 192.168.1.10 <\/span>
11:24:20 up 4 days, 20:20, 0 users, load average: 0.02, 0.06, 0.07<\/span> <\/p>\n

6. \u66f4\u591a\u7684\u53c3\u6578
# pssh –help<\/span>
Usage: pssh [OPTIONS] command […]<\/span> <\/p>\n

Options:<\/span>
–version show program’s version number and exit<\/span>
–help show this help message and exit<\/span>
-h HOST_FILE, –hosts=HOST_FILE<\/span>
hosts file (each line “[user@]host[:port]”)<\/span>
-H HOST_STRING, –host=HOST_STRING<\/span>
additional host entries (“[user@]host[:port]”)<\/span>
-l USER, –user=USER username (OPTIONAL)<\/span>
-p PAR, –par=PAR max number of parallel threads (OPTIONAL)<\/span>
-o OUTDIR, –outdir=OUTDIR<\/span>
output directory for stdout files (OPTIONAL)<\/span>
-e ERRDIR, –errdir=ERRDIR<\/span>
output directory for stderr files (OPTIONAL)<\/span>
-t TIMEOUT, –timeout=TIMEOUT<\/span>
timeout (secs) (0 = no timeout) per host (OPTIONAL)<\/span>
-O OPTION, –option=OPTION<\/span>
SSH option (OPTIONAL)<\/span>
-v, –verbose turn on warning and diagnostic messages (OPTIONAL)<\/span>
-A, –askpass Ask for a password (OPTIONAL)<\/span>
-x ARGS, –extra-args=ARGS<\/span>
Extra command-line arguments, with processing for<\/span>
spaces, quotes, and backslashes<\/span>
-X ARG, –extra-arg=ARG<\/span>
Extra command-line argument<\/span>
-i, –inline inline aggregated output and error for each server<\/span>
–inline-stdout inline standard output for each server<\/span>
-I, –send-input read from standard input and send as input to ssh<\/span>
-P, –print print output as we get it<\/span> <\/p>\n

Example: pssh -h hosts.txt -l irb2 -o \/tmp\/foo uptime<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"

\u53c3\u8003\u7db2\u9801\uff1a CentOS 7 : SSH Server : Use Parallel SSH : Server … <\/p>\n

\u95b1\u8b80\u5168\u6587\u3008SSH Server – \u4f7f\u7528 pssh \u4e00\u6b21\u540c\u6642\u64cd\u63a7\u591a\u53f0 Server\u3009<\/span><\/a><\/p>\n","protected":false},"author":55,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[117,139],"tags":[],"class_list":["post-19573","post","type-post","status-publish","format-standard","hentry","category-c-78462","category-c-78484"],"meta_key":{"_pingme":["1"],"_encloseme":["1"],"lt_post_id":["688384"]},"_links":{"self":[{"href":"https:\/\/2blog.ilc.edu.tw\/25793\/wp-json\/wp\/v2\/posts\/19573"}],"collection":[{"href":"https:\/\/2blog.ilc.edu.tw\/25793\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/2blog.ilc.edu.tw\/25793\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/2blog.ilc.edu.tw\/25793\/wp-json\/wp\/v2\/users\/55"}],"replies":[{"embeddable":true,"href":"https:\/\/2blog.ilc.edu.tw\/25793\/wp-json\/wp\/v2\/comments?post=19573"}],"version-history":[{"count":1,"href":"https:\/\/2blog.ilc.edu.tw\/25793\/wp-json\/wp\/v2\/posts\/19573\/revisions"}],"predecessor-version":[{"id":21081,"href":"https:\/\/2blog.ilc.edu.tw\/25793\/wp-json\/wp\/v2\/posts\/19573\/revisions\/21081"}],"wp:attachment":[{"href":"https:\/\/2blog.ilc.edu.tw\/25793\/wp-json\/wp\/v2\/media?parent=19573"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/2blog.ilc.edu.tw\/25793\/wp-json\/wp\/v2\/categories?post=19573"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/2blog.ilc.edu.tw\/25793\/wp-json\/wp\/v2\/tags?post=19573"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}