http://wiki.yepn.net/ Sun, 20 May 2012 11:59:48 -0600 FeedCreator 1.7.2-ppt DokuWiki http://wiki.yepn.net/lib/tpl/dokubook/images/favicon.ico http://wiki.yepn.net/ http://wiki.yepn.net/haproxy?rev=1333706183&do=diff HAProxy logs to a syslog facility local0, via a socket connection. By default, your syslog configuration probably doesn’t accept socket connections, and doesn’t have a local0 facility, so you have no HAProxy log. If you want it, configure syslog to accept TCP connections by adding -r to syslogd parameters. admin Fri, 06 Apr 2012 03:56:23 -0600 http://wiki.yepn.net/ganglia?rev=1331085115&do=diff 自定义模块加载 ambientTemp.conf modules { module { name = “ambientTemp” #此处名称要与自定义模块名相同 language = "python" } } collection_group { collect_every = 10 time_threshold = 50 metric { name = "ambientTemp" title = "Ambient Temperature" value_threshold = 70 } } admin Tue, 06 Mar 2012 18:51:55 -0600 http://wiki.yepn.net/terracotta?rev=1330086375&do=diff terracotta spec文件 %define installdir /usr/local/terracotta %define debug_package %{nil} %define __os_install_post %{nil} Summary: Terracotta Name: terracotta Version: 3.6.1 Release: 1 URL: http://terracotta.org/ Vendor: Terracotta #Source0: http://archive.apache.org/dist/terracotta/terracotta-6/v%{version}/bin/apache-terracotta-%{version}.tar.gz Source0: http://d2zwv9pap9ylyd.cloudfront.net/terracotta-%{version}.tar.gz License: Terracotta Public License (version 1.0) Group: Networking/Daemons … admin Fri, 24 Feb 2012 05:26:15 -0600 http://wiki.yepn.net/cobbler?rev=1325657029&do=diff Install yum -y install cobbler tftp-server dhcp httpd xinetd Setting #vi /etc/cobbler/settings 161: manage_dhcp: 1 362: server: your_server_ip cobbler check dhcp.template # more dhcp.template # ****************************************************************** # Cobbler managed dhcpd.conf file # # generated from cobbler dhcp.conf template ($date) # Do NOT make changes to /etc/dhcpd.conf. Instead, make your changes # in /etc/cobbler/dhcp.template, as /etc/dhcpd.conf will be # overwritten. #… admin Tue, 03 Jan 2012 23:03:49 -0600 http://wiki.yepn.net/hadoop?rev=1321426085&do=diff cloudera hadoop Install rpm -ivh cdh3-repository-1.0-1.noarch.rpm yum install hadoop-0.20-conf-pseudo hadoop-0.20-native config文件 core-site.xml <?xml version="1.0"?> <?xml-stylesheet type="text/xsl" href="configuration.xsl"?> <configuration> <property> <name>fs.default.name</name> <value>hdfs://namenode.mobcon.inside:8020</value> </property> <property> <name>hadoop.tmp.dir</name> <value>/var/lib/hadoop-0.20/cache/${user.name}</value> </property> <!-- OOZIE pr… admin Tue, 15 Nov 2011 23:48:05 -0600 http://wiki.yepn.net/flume?rev=1321352640&do=diff 确认路径[/tmp/] admin Tue, 15 Nov 2011 03:24:00 -0600 http://wiki.yepn.net/linux?rev=1320195449&do=diff 动态切换 Linux 使用的 CPU 数量 singlecore #!/bin/bash cpus_dir="/sys/devices/system/cpu" for cpu in $(ls "$cpus_dir" | grep 'cpu[0-9]\+')do cpu_online="$cpus_dir/$cpu/online" if [[ -e "$cpu_online" && $(cat $cpu_online) = 1 ]] then echo 0 > "$cpu_online" fi done admin Tue, 01 Nov 2011 18:57:29 -0600 http://wiki.yepn.net/puppet?rev=1319524999&do=diff notify和require要成对使用 如何检查puppet的class文件语法： This is how to do a a syntax check on a file. puppet parser validate <filename> #e.g. ruby-server.pp err: Could not parse for environment development: Syntax error at ';'; expected ']' at /etc/puppet/manifests/classes/ruby-server.pp:2 admin Tue, 25 Oct 2011 00:43:19 -0600