RHEL / CentOS 安装配置 SmokePing

SmokePing 是一套相当实用的网络监督工具, 画出的图片也很漂亮。虽然要安装 SmokePing 比较麻烦, 但只要透过 yum 安装 SmokePing 所需的套件就方便很多了, 以下是 RHEL 及 CentOS 安装及配置 SmokePing 的方法。

首先启用 EPEL Repo:

# yum install epel-release

接着安装 SmokePing 所需的套件:

# yum install perl httpd httpd-devel mod_fcgid rrdtool perl-CGI-SpeedyCGI fping rrdtool-perl perl-Sys-Syslog

然后安装以下 CPAN 模组:

# yum install perl-CPAN perl-local-lib perl-Time-HiRes

安装编译器, 用作编译 SmokePing 原始码:

# yum groupinstall “Development tools”

—————————————————————————————————————–

安装好所需的套件后, 现在到官网下载 SmokePing 原始码安装, 目前最新的版本是 2.6.11:

# wget http://oss.oetiker.ch/smokeping/pub/smokeping-2.6.11.tar.gz

解压缩原始码:

# tar -zxvf smokeping-2.6.11.tar.gz

安装 SmokePing 所需的 Perl 模组, 以及编译 SmokePing:

# cd smokeping-2.6.11/
# ./setup/build-perl-modules.sh
# mkdir /opt/smokeping
# cp -R thirdparty /opt/smokeping/
# ./configure –prefix=/opt/smokeping
# make install

安装好 SmokePing 后, 现在是配置 SmokePing 的设定档, 输入以下指令:

# cd /opt/smokeping/etc
# for foo in *.dist; do cp $foo 'basename $foo .dist'; done

1 2	# cd /opt/smokeping/etc # for foo in *.dist; do cp $foo 'basename $foo .dist'; done

然后开启 Apache 的设定档 httpd.conf:

# vi /etc/httpd/conf/httpd.conf

找到设定 DirectoryIndex 的一行, 加入 smokeping.fcgi 及AddHandler 部份, 例如:

DirectoryIndex index.html index.html.var smokeping.fcgi
AddHandler cgi-script .cgi

开启 /etc/httpd/conf.d/smokeping.conf 档案, 改成这样:

<Directory "/var/www/html/smokeping">
    Options +ExecCGI
</Directory>

Options +ExecCGI

</Directory>

执行以下指令, 建立 SmokePing 储存资料目录及设定权限:

# mkdir /opt/smokeping/img
# mkdir /opt/smokeping/data
# mkdir /opt/smokeping/var
# mkdir /opt/smokeping/cache
# chown -R apache:apache /opt/smokeping/img
# chown -R apache:apache /opt/smokeping/cache
# ln -s /opt/smokeping/htdocs /var/www/html/smokeping
# ln -s /opt/smokeping/img /var/www/html/smokeping
# ln -s /opt/smokeping/cache /var/www/html/smokeping
# chmod 600 /opt/smokeping/etc/smokeping_secrets
# chmod 600 /opt/smokeping/etc/smokeping_secrets.dist
# chown -R apache:apache /var/www/html/smokeping

现在建立 SmokePing 的设定档, 要根据自己的需要修改某些设定:

# vi /opt/smokeping/etc/config

范例档案:

owner    = Sam Tang
contact  = you@youremail.com
mailhost = SMTP Server (Ignore if you do not have smtp server)
sendmail = /usr/sbin/sendmail
# NOTE: do not put the Image Cache below cgi-bin
# since all files under cgi-bin will be executed ... this is not
# good for images.
imgcache = /opt/smokeping/cache
imgurl   = cache
datadir  = /opt/smokeping/data
piddir  = /opt/smokeping/var
cgiurl   = http://some.url/smokeping.cgi
smokemail = /opt/smokeping/etc/smokemail.dist
tmail = /opt/smokeping/etc/tmail.dist
# specify this to get syslog logging
syslogfacility = local0
# each probe is now run in its own process
# disable this to revert to the old behaviour
# concurrentprobes = no

*** Alerts ***
to = you@youremail.com
from = from@youremail.com

+someloss
type = loss
# in percent
pattern = >0%,*12*,>0%,*12*,>0%
comment = loss 3 times  in a row

*** Database ***

step     = 300
pings    = 20

# consfn mrhb steps total

AVERAGE  0.5   1  1008
AVERAGE  0.5  12  4320
    MIN  0.5  12  4320
    MAX  0.5  12  4320
AVERAGE  0.5 144   720
    MAX  0.5 144   720
    MIN  0.5 144   720

*** Presentation ***

template = /opt/smokeping/etc/basepage.html.dist

+ charts

menu = Charts
title = The most interesting destinations

++ stddev
sorter = StdDev(entries=>4)
title = Top Standard Deviation
menu = Std Deviation
format = Standard Deviation %f

++ max
sorter = Max(entries=>5)
title = Top Max Roundtrip Time
menu = by Max
format = Max Roundtrip Time %f seconds

++ loss
sorter = Loss(entries=>5)
title = Top Packet Loss
menu = Loss
format = Packets Lost %f

++ median
sorter = Median(entries=>5)
title = Top Median Roundtrip Time
menu = by Median
format = Median RTT %f seconds

+ overview

width = 600
height = 50
range = 10h

+ detail

width = 600
height = 200
unison_tolerance = 2

"Last 3 Hours"    3h
"Last 30 Hours"   30h
"Last 10 Days"    10d
"Last 400 Days"   400d

#+ hierarchies
#++ owner
#title = Host Owner
#++ location
#title = Location

*** Probes ***

+ FPing

binary = /usr/sbin/fping

*** Slaves ***
secrets=/opt/smokeping/etc/smokeping_secrets.dist
+boomer
display_name=boomer
color=0000ff

+slave2
display_name=another
color=00ff00

*** Targets ***

probe = FPing

menu = Top
title = Network Latency Grapher
remark = Welcome to the SmokePing website of xxx Company. \
         Here you will learn all about the latency of our network.

+ Server
menu= Localhost

++ Google

menu = google.com
title = google.com
alerts = someloss
host = www.google.com

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owner = Sam Tang

contact = you@youremail.com

mailhost = SMTP Server (Ignore if you do not have smtp server)

sendmail = /usr/sbin/sendmail

# NOTE: do not put the Image Cache below cgi-bin

# since all files under cgi-bin will be executed ... this is not

# good for images.

imgcache = /opt/smokeping/cache

imgurl = cache

datadir = /opt/smokeping/data

piddir = /opt/smokeping/var

cgiurl = http://some.url/smokeping.cgi

smokemail = /opt/smokeping/etc/smokemail.dist

tmail = /opt/smokeping/etc/tmail.dist

# specify this to get syslog logging

syslogfacility = local0

# each probe is now run in its own process

# disable this to revert to the old behaviour

# concurrentprobes = no

*** Alerts ***

to = you@youremail.com

from = from@youremail.com

+someloss

type = loss

# in percent

pattern = >0%,*12*,>0%,*12*,>0%

comment = loss 3 times in a row

*** Database ***

step = 300

pings = 20

# consfn mrhb steps total

AVERAGE 0.5 1 1008

AVERAGE 0.5 12 4320

MIN 0.5 12 4320

MAX 0.5 12 4320

AVERAGE 0.5 144 720

MAX 0.5 144 720

MIN 0.5 144 720

*** Presentation ***

template = /opt/smokeping/etc/basepage.html.dist

+ charts

menu = Charts

title = The most interesting destinations

++ stddev

sorter = StdDev(entries=>4)

title = Top Standard Deviation

menu = Std Deviation

format = Standard Deviation %f

++ max

sorter = Max(entries=>5)

title = Top Max Roundtrip Time

menu = by Max

format = Max Roundtrip Time %f seconds

++ loss

sorter = Loss(entries=>5)

title = Top Packet Loss

menu = Loss

format = Packets Lost %f

++ median

sorter = Median(entries=>5)

title = Top Median Roundtrip Time

menu = by Median

format = Median RTT %f seconds

+ overview

width = 600

height = 50

range = 10h

+ detail

width = 600

height = 200

unison_tolerance = 2

"Last 3 Hours" 3h

"Last 30 Hours" 30h

"Last 10 Days" 10d

"Last 400 Days" 400d

#+ hierarchies

#++ owner

#title = Host Owner

#++ location

#title = Location

*** Probes ***

+ FPing

binary = /usr/sbin/fping

*** Slaves ***

secrets=/opt/smokeping/etc/smokeping_secrets.dist

+boomer

display_name=boomer

color=0000ff

+slave2

display_name=another

color=00ff00

*** Targets ***

probe = FPing

menu = Top

title = Network Latency Grapher

remark = Welcome to the SmokePing website of xxx Company. \

Here you will learn all about the latency of our network.

+ Server

menu= Localhost

++ Google

menu = google.com

title = google.com

alerts = someloss

host = www.google.com

然后启动 httpd:

# systemctl start httpd

设定 SmokePing 开机自动启动, 需要下载 SmokePing 的开机 script 到 /etc/init.d/ 目录, 及设定可执行权限:

# cd /etc/init.d/
# wget http://oss.oetiker.ch/smokeping/pub/contrib/smokeping-start-script
# chmod 755 smokeping-start-script

将 smokeping-start-script 第 10 行的 SMOKEPING binary 档位置, 改成这样:

SMOKEPING=/usr/local/smokeping/bin/smokeping

最后启动 SmokePing 便完成了:

# /etc/init.d/smokeping start

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2 Comments

Adrian 06 April 2017

你好！拜读您的文章，受益匪浅。有个问题：
原文里提到：
# cd /opt/smokeping/etc # for foo in *.dist; do cp $foo 'basename $foo .dist'; done
第二句以for开头的这一句，若按照原文执行，是把每个.dist结尾的文件拷贝到”basename $foo .dist”这个文件，那么其实这个目标文件的内容只是最后一个.dist文件的内容。
猜测这句是不是写错了？原意是什么呢？将这些文件都备份一遍？

敬请指教！先谢过！

Adrian 06 April 2017

呃，自己解决一下：
for i in *.dist; do cp $i "basename -s .dist $i"; done
改成这样才work.

Linux 技术手札

RHEL / CentOS 安装配置 SmokePing

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2 Comments

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