ganglia安装教程(centos7)
ganglia安装教程(centos7)
ganglia配置
gmetad配置
在ganglia安装目录执行如下操作
cp -a gmetad/gmetad.init /etc/init.d/gmetad chkconfig –add gmetad chkconfig –level 345 gmetad on gmetad -t | tee /usr/local/etc/gmetad.conf mkdir -p /var/lib/ganglia/rrds chown nobody:nobody /var/lib/ganglia/rrds
配置gmetad.conf
1.修改gmetad.conf 中 data_source
data_source "hadoop201" hadoop201
gmond配置
cp -a gmond/gmond.init /etc/init.d/gmond chkconfig –add gmond chkconfig –level 345 gmond on gmond -t | tee /usr/local/etc/gmond.conf
配置gmond.conf
修改 cluster中 name 为在gmetad.conf 中的data_source
cluster { name = "hadoop201" owner = "nobody" latlong = "unspecified" url = "unspecified" }
Ganglia-web环境部署
tar xvzf ganglia-web-3.6.2.tar.gz -C /var/www/html/ cd /var/www/html/ mv ganglia-web-3.5.12 ganglia chmod -R 777 /var/www/html/ganglia cd /var/www/html/ganglia cp conf_default.php conf.php vim conf.php
conf.php中有些默认配置和以上设置不一样的需要进行修改:
# Gmetad-webfrontend version. Used to check for updates.
#
$conf['gweb_root'] = "/var/www/html/ganglia";
$conf['gweb_confdir'] = "/var/www/html/ganglia";
include_once $conf['gweb_root'] . "/version.php";
#
# 'readonly': No authentication is required. All users may view all resources. No edits are allowed.
# 'enabled': Guest users may view public clusters. Login is required to make changes.
# An administrator must configure an authentication scheme and ACL rules.
# 'disabled': Guest users may perform any actions, including edits. No authentication is required.
$conf['auth_system'] = 'readonly';
#
# The name of the directory in "./templates" which contains the
# templates that you want to use. Templates are like a skin for the
# site that can alter its look and feel.
#
$conf['template_name'] = "default";
#
# If you installed gmetad in a directory other than the default
# make sure you change it here.
#
# Where gmetad stores the rrd archives.
$conf['gmetad_root'] = "/var/lib/ganglia";
$conf['rrds'] = "${conf['gmetad_root']}/rrds";
# Where Dwoo (PHP templating engine) store compiled templates
$conf['dwoo_compiled_dir'] = "${conf['gweb_confdir']}/dwoo/compiled";
$conf['dwoo_cache_dir'] = "${conf['gweb_confdir']}/dwoo/cache";
# Where to store web-based configuration
$conf['views_dir'] = $conf['gweb_confdir'] . '/conf';
$conf['conf_dir'] = $conf['gweb_confdir'] . '/conf';
问题及解决方式
编译rrdtool 错误
/.libs/librrd.so: undefined reference to xmlTextReaderValue@LIBXML2_2.4.30'
./.libs/librrd.so: undefined reference toxmlTextReaderNodeType@LIBXML2_2.4.30’
./.libs/librrd.so: undefined reference to xmlStrdup@LIBXML2_2.4.30'
./.libs/librrd.so: undefined reference toxmlTextReaderName@LIBXML2_2.4.30’
./.libs/librrd.so: undefined reference to xmlNewTextReaderFilename@LIBXML2_2.4.30'
./.libs/librrd.so: undefined reference toxmlStrcasestr@LIBXML2_2.4.30’
./.libs/librrd.so: undefined reference to xmlFree@LIBXML2_2.4.30'
./.libs/librrd.so: undefined reference toxmlTextReaderRead@LIBXML2_2.4.30’
./.libs/librrd.so: undefined reference to xmlFreeTextReader@LIBXML2_2.4.30'
./.libs/librrd.so: undefined reference toxmlTextReaderGetParserLineNumber@LIBXML2_2.6.17’
./.libs/librrd.so: undefined reference to `xmlStrcasecmp@LIBXML2_2.4.30’
ganglia编译必须依赖rrdtool,而rrdtool安装不同机器可能出现莫名的安装错误,此时如果机器可以连接网络可以使用 yum -y install rrdtool 方式安装,但此时安装后,编译ganglia时仍然无法找到rrdtool相应的库,此时可以采用如下方法,使ganglia编译安装成功:
下载rrdtool-1.4.8.tar.gz ,解压后,将rrdtool-1.4.8/src/.libs 中相应库拷贝到如下目录:
home/hadoop/为我本机rrdtool-1.4.8所在路径:
cp /home/hadoop/rrdtool-1.4.8/src/.libs/.so /usr/local/lib/
cp /home/hadoop/rrdtool-1.4.8/src/.libs/*.a /usr/local/lib/
cp /home/hadoop/rrdtool-1.4.8/src/.libs/*.la /usr/local/lib/
cp /home/hadoop/rrdtool-1.4.8/src/rrd*.h /usr/local/include
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