Ubuntu安装测试snmpd

Ubuntu, snmpd

1、安装。在一台ubuntu机器上安装snmpd（太方便了，这就是ubuntu）

#apt-get install snmpd snmp

2、简单测试。

# snmpwalk -v 1 -c public localhost

如果有反应，表示你的snmpd已经可以正常工作。

3、配置/etc/snmp/snmpd.conf

首先修改，注意private11，回头用它。

# sec.name source community
com2sec paranoid default public
com2sec readonly default public
com2sec readwrite default private11

再修改（检测磁盘/ 目录的磁盘空间）

# disk checks
#
# The agent can check the amount of available disk space, and make
# sure it is above a set limit.

# disk PATH [MIN=DEFDISKMINIMUMSPACE]
#
# PATH: mount path to the disk in question.
# MIN: Disks with space below this value will have the Mib's errorFlag set.
# Default value = DEFDISKMINIMUMSPACE.

# Check the / partition and make sure it contains at least 100 megs.

disk / 100000

再修改(查服务器cpu平均负载)

# load average checks
#

# load [1MAX=DEFMAXLOADAVE] [5MAX=DEFMAXLOADAVE] [15MAX=DEFMAXLOADAVE]
#
# 1MAX: If the 1 minute load average is above this limit at query
# time, the errorFlag will be set.
# 5MAX: Similar, but for 5 min average.
# 15MAX: Similar, but for 15 min average.

# Check for loads:
load 1 1 1

4、测试

测试服务器CPU负荷（这里的private11就是com2sec readwrite default private11里面的private11）

$ snmpwalk -v 1 -c private11 localhost .1.3.6.1.4.1.2021.10
UCD-SNMP-MIB::laIndex.1 = INTEGER: 1
UCD-SNMP-MIB::laIndex.2 = INTEGER: 2
UCD-SNMP-MIB::laIndex.3 = INTEGER: 3
UCD-SNMP-MIB::laNames.1 = STRING: Load-1
UCD-SNMP-MIB::laNames.2 = STRING: Load-5
UCD-SNMP-MIB::laNames.3 = STRING: Load-15
UCD-SNMP-MIB::laLoad.1 = STRING: 1.74
UCD-SNMP-MIB::laLoad.2 = STRING: 1.40
UCD-SNMP-MIB::laLoad.3 = STRING: 1.36
UCD-SNMP-MIB::laConfig.1 = STRING: 1.00
UCD-SNMP-MIB::laConfig.2 = STRING: 1.00
UCD-SNMP-MIB::laConfig.3 = STRING: 1.00
UCD-SNMP-MIB::laLoadInt.1 = INTEGER: 173
UCD-SNMP-MIB::laLoadInt.2 = INTEGER: 139
UCD-SNMP-MIB::laLoadInt.3 = INTEGER: 136
UCD-SNMP-MIB::laLoadFloat.1 = Opaque: Float: 1.740000
UCD-SNMP-MIB::laLoadFloat.2 = Opaque: Float: 1.400000
UCD-SNMP-MIB::laLoadFloat.3 = Opaque: Float: 1.360000
UCD-SNMP-MIB::laErrorFlag.1 = INTEGER: error(1)
UCD-SNMP-MIB::laErrorFlag.2 = INTEGER: error(1)
UCD-SNMP-MIB::laErrorFlag.3 = INTEGER: error(1)
UCD-SNMP-MIB::laErrMessage.1 = STRING: 1 min Load Average too high (= 1.74)
UCD-SNMP-MIB::laErrMessage.2 = STRING: 5 min Load Average too high (= 1.40)
UCD-SNMP-MIB::laErrMessage.3 = STRING: 15 min Load Average too high (= 1.36)

测试磁盘 /目录的磁盘空间（这里的private11就是com2sec readwrite default private11里面的private11）

$ snmpwalk -v 1 -c private11 localhost .1.3.6.1.4.1.2021.9
UCD-SNMP-MIB::dskIndex.1 = INTEGER: 1
UCD-SNMP-MIB::dskPath.1 = STRING: /
UCD-SNMP-MIB::dskDevice.1 = STRING: /dev/sda2
UCD-SNMP-MIB::dskMinimum.1 = INTEGER: 10000000
UCD-SNMP-MIB::dskMinPercent.1 = INTEGER: -1
UCD-SNMP-MIB::dskTotal.1 = INTEGER: 15132932
UCD-SNMP-MIB::dskAvail.1 = INTEGER: 4094796
UCD-SNMP-MIB::dskUsed.1 = INTEGER: 10269428
UCD-SNMP-MIB::dskPercent.1 = INTEGER: 71
UCD-SNMP-MIB::dskPercentNode.1 = INTEGER: 18
UCD-SNMP-MIB::dskErrorFlag.1 = INTEGER: error(1)
UCD-SNMP-MIB::dskErrorMsg.1 = STRING: /: less than 10000000 free (= 4094796)

再写些脚本，或者安装图形化的管理中心，就可以批量监控你的服务器了。

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