linux下net-snmp 已經安裝，為什麼沒有 snmpwalk和snmpget

[root@localhost ~]# snmpwalk
-bash: snmpwalk: command not found

確保安裝這幾個包
# rpm -qa |grep snmp
net-snmp-5.1.2-11.EL4.7
net-snmp-libs-5.1.2-11.EL4.7
net-snmp-devel-5.1.2-11.EL4.7
net-snmp-utils-5.1.2-11.EL4.7
net-snmp-perl-5.1.2-11.EL4.7

請到安裝盤裡尋找，一般在第4，5張光碟片
net-snmp-utils-5.0.9-2.30E.15.i386.rpm
net-snmp-perl-5.0.9-2.30E.15.i386.rpm
...

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from:http://twpug.net/modules/newbb/viewtopic.php?post_id=9543

Fatal error: Call to undefined function: snmpwalk() in /home/httpd/html/snmp.php on line 3

Linux上使用的是net-snmp，則需要在./configure 時增加 --with-snmp 即可安裝成功。
[root@localhost php-4.3.4]# ./configure --prefix=/usr/local/php --with-apxs=/usr/local/apache/bin/apxs --with-xml --enable-sockets --with-zlib-dir=/usr/include --with-snmp

如果是ucd-snmp，則嘗試在./configure 時增加 --enable-ucd-snmp-hack

from:http://www.vbulletin.com/forum/archive/index.php/t-114170.html
./configure異常情況解決：
異常一
configure: error: snmp.h not found. Check your SNMP installation.

This one's solved by:
# you must install net-snmp-devel

異常二
checking OpenSSL dir for SNMP... no
checking for net-snmp-config... /usr/bin/net-snmp-config
checking for snmp_parse_oid in -lnetsnmp... no
checking for init_snmp in -lnetsnmp... no
configure: error: SNMP sanity check failed. Please check config.log for more information.

This one's solved by:
# you must install elfutils-devel

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配置snmpd.conf檔案：
# vi /etc/snmp/snmpd.conf
修改snmpd.conf檔案
1、com2sec notConfigUser default public
改為：com2sec notConfigUser 127.0.0.1 public
如果要在別的機器（192.168.11.50）上運行觀測軟體監測（本機ip是192.168.11.134），也應該再加上：
com2sec notConfigUser 192.168.11.50 public
2、access notConfigGroup "" any noauth exact systemview none none
改為：access notConfigGroup "" any noauth exact all none none
3、#view all included .1 80
將前面的 # 注釋 去掉。

#:wq
儲存退出

# service snmpd restart