{"id":19279,"date":"2016-08-24T06:55:25","date_gmt":"2016-08-23T22:55:25","guid":{"rendered":"https:\/\/2blog.ilc.edu.tw\/25793\/2016\/08\/24\/%e5%9c%a8-centos-7-x-%e4%b8%8a%e4%bd%bf%e7%94%a8-snmpd-%e6%9c%8d%e5%8b%99\/"},"modified":"2021-03-18T17:24:48","modified_gmt":"2021-03-18T09:24:48","slug":"%e5%9c%a8-centos-7-x-%e4%b8%8a%e4%bd%bf%e7%94%a8-snmpd-%e6%9c%8d%e5%8b%99","status":"publish","type":"post","link":"https:\/\/2blog.ilc.edu.tw\/25793\/2016\/08\/24\/%e5%9c%a8-centos-7-x-%e4%b8%8a%e4%bd%bf%e7%94%a8-snmpd-%e6%9c%8d%e5%8b%99\/","title":{"rendered":"\u5728 CentOS 7.x \u4e0a\u4f7f\u7528 snmpd \u670d\u52d9"},"content":{"rendered":"

\u53c3\u8003\u7db2\u7ad9\uff1a
\u516b\u514b\u91cc: \u5728 CentOS 7 \u5b89\u88dd snmpd \u670d\u52d9(CentOS 7 SNMP install)<\/a>
How To Install and Configure SNMP on RHEL 7 or CentOS 7<\/a><\/p>\n

\u70ba\u4e86\u4f7f\u7528 cacti \u548c nagios \u4f86\u76e3\u6e2c\u7cfb\u7d71\u4e3b\u6a5f\uff0c\u96a8\u6642\u638c\u63e1\u4e3b\u6a5f\u53ca\u670d\u52d9\u7684\u5b58\u6d3b\u72c0\u614b\uff0c\u6240\u4ee5\u52a0\u88dd snmpd \u670d\u52d9\u3002
1. \u5b89\u88dd snmpd \u6240\u9700\u5957\u4ef6
# yum install net-snmp net-snmp-utils<\/span><\/p>\n

2. \u5099\u4efd\u539f\u8a2d\u5b9a\u6a94 \/etc\/snmp\/snmpd.conf<\/span>
# cp \/etc\/snmp\/snmpd.conf \/etc\/snmp\/snmpd.conf.$(date +%F)<\/span>[@more@]
3. \u4fee\u6539 \/etc\/snmp\/snmpd.conf<\/span> \u8a2d\u5b9a\u6a94
# grep -v “^$” \/etc\/snmp\/snmpd.conf | grep -v ‘^ *#’<\/span>
com2sec notConfigUser\u00a0 default\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 public<\/span>
group\u00a0\u00a0 notConfigGroup v1\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 notConfigUser<\/span>
group\u00a0\u00a0 notConfigGroup v2c\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 notConfigUser<\/span>
view\u00a0\u00a0\u00a0 systemview\u00a0\u00a0\u00a0 included\u00a0\u00a0 .1.3.6.1.2.1.1<\/span>
view\u00a0\u00a0\u00a0 systemview\u00a0\u00a0\u00a0 included\u00a0\u00a0 .1.3.6.1.2.1.25.1.1<\/span>
access\u00a0 notConfigGroup “”\u00a0\u00a0\u00a0\u00a0\u00a0 any\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 noauth\u00a0\u00a0\u00a0 exact\u00a0 systemview none none<\/span>
syslocation Unknown (edit \/etc\/snmp\/snmpd.conf)<\/span>
syscontact Root <root@localhost> (configure \/etc\/snmp\/snmp.local.conf)<\/span>
dontLogTCPWrappersConnects yes<\/span><\/p>\n

\u6216
\u5c07 41\/47\/48\/55\/56\/62 \u884c\u8a3b\u89e3
# sed -i ’41s\/^\/#\/’ \/etc\/snmp\/snmpd.conf<\/span>
# sed -i ’47s\/^\/#\/’ \/etc\/snmp\/snmpd.conf<\/span>
# sed -i ’48s\/^\/#\/’ \/etc\/snmp\/snmpd.conf<\/span>
# sed -i ’55s\/^\/#\/’ \/etc\/snmp\/snmpd.conf<\/span>
# sed -i ’56s\/^\/#\/’ \/etc\/snmp\/snmpd.conf<\/span>
# sed -i ’62s\/^\/#\/’ \/etc\/snmp\/snmpd.conf<\/span><\/p>\n

\u53d6\u6d88\u00a0 112,116~117,122~126,129~130,141~145,147 \u524d\u9762\u7684\u8a3b\u89e3
# sed -i ‘112s\/^#\/\/’ \/etc\/snmp\/snmpd.conf<\/span>
# sed -i ‘116,117s\/^#\/\/’ \/etc\/snmp\/snmpd.conf<\/span>
# sed -i ‘122,126s\/^#\/\/’ \/etc\/snmp\/snmpd.conf<\/span>
# sed -i ‘129,130s\/^#\/\/’ \/etc\/snmp\/snmpd.conf<\/span>
# sed -i ‘141,145s\/^#\/\/’ \/etc\/snmp\/snmpd.conf<\/span>
# sed -i ‘147s\/^#\/\/’ \/etc\/snmp\/snmpd.conf<\/span>
\u53d6\u6d88 151 \u884c\u524d\u9762\u8a3b\u89e3\uff0c\u4e26\u5c07rwview \u6539\u6210 none
# sed -i -e ‘151s\/^#\/\/’ -e ‘s\/rwview\/none\/’ \/etc\/snmp\/snmpd.conf<\/span><\/p>\n

4. \u555f\u52d5 snmpd \u670d\u52d9\u53ca\u8a2d\u5b9a\u958b\u6a5f\u6642\u555f\u52d5
# systemctl start snmpd.service<\/span>
# systemctl enable snmpd.service<\/span>
Created symlink from \/etc\/systemd\/system\/multi-user.target.wants\/snmpd.service to \/usr\/lib\/systemd\/system\/snmpd.service.<\/span><\/p>\n

5. \u6aa2\u67e5 snmpd \u662f\u5426\u6709\u6b63\u5e38\u555f\u52d5
# netstat -auntp | grep snmp<\/span>
tcp\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 0\u00a0\u00a0\u00a0\u00a0\u00a0 0 127.0.0.1:199\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 0.0.0.0:*\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 LISTEN\u00a0\u00a0\u00a0\u00a0\u00a0 1822\/snmpd<\/span>
udp\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 0\u00a0\u00a0\u00a0\u00a0\u00a0 0 0.0.0.0:161\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 0.0.0.0:*\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 1822\/snmpd<\/span><\/p>\n

6. \u9632\u706b\u7246\u4e0a\u7684\u8a2d\u5b9a\uff0c\u6700\u597d\u8981\u8a2d\u5b9a\u53ef\u4ee5\u9023\u7dda\u7684\u7bc4\u570d
# firewall-cmd –permanent –add-port=161\/udp<\/span>
success<\/span><\/p>\n

# firewall-cmd –reload<\/span>
success<\/span><\/p>\n

# firewall-cmd –list-all<\/span>
public (default, active)<\/span>
\u00a0 interfaces: eno16777736<\/span>
\u00a0 sources:<\/span>
\u00a0 services: dhcpv6-client ftp samba ssh<\/span>
\u00a0 ports: 21\/tcp 161\/udp<\/span>
\u00a0 masquerade: no<\/span>
\u00a0 forward-ports:<\/span>
\u00a0 icmp-blocks:<\/span>
\u00a0 rich rules:<\/span><\/p>\n

7. \u9032\u884c\u672c\u6a5f\u4e0a\u7684\u6e2c\u8a66
# snmpwalk -v 1 -c public -O e 127.0.0.1<\/span>
# snmpwalk -c public -v 2c 127.0.0.1<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"

\u53c3\u8003\u7db2\u7ad9\uff1a\u516b\u514b\u91cc: \u5728 CentOS 7 \u5b89\u88dd snmpd \u670d\u52d9(CentOS 7 SNMP install) … <\/p>\n

\u95b1\u8b80\u5168\u6587\u3008\u5728 CentOS 7.x \u4e0a\u4f7f\u7528 snmpd \u670d\u52d9\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],"tags":[],"class_list":["post-19279","post","type-post","status-publish","format-standard","hentry","category-c-78462"],"meta_key":{"_pingme":["1"],"_encloseme":["1"],"lt_post_id":["650585"]},"_links":{"self":[{"href":"https:\/\/2blog.ilc.edu.tw\/25793\/wp-json\/wp\/v2\/posts\/19279"}],"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=19279"}],"version-history":[{"count":1,"href":"https:\/\/2blog.ilc.edu.tw\/25793\/wp-json\/wp\/v2\/posts\/19279\/revisions"}],"predecessor-version":[{"id":20829,"href":"https:\/\/2blog.ilc.edu.tw\/25793\/wp-json\/wp\/v2\/posts\/19279\/revisions\/20829"}],"wp:attachment":[{"href":"https:\/\/2blog.ilc.edu.tw\/25793\/wp-json\/wp\/v2\/media?parent=19279"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/2blog.ilc.edu.tw\/25793\/wp-json\/wp\/v2\/categories?post=19279"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/2blog.ilc.edu.tw\/25793\/wp-json\/wp\/v2\/tags?post=19279"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}