http://wiki.yepn.net/ Tue, 07 Feb 2012 02:23:19 -0700 FeedCreator 1.7.2-ppt DokuWiki http://wiki.yepn.net/lib/tpl/dokubook/images/favicon.ico http://wiki.yepn.net/ 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 ($date) # Do NOT make changes to /etc/dhcpd.conf. Instead, make your changes # in /etc/cobbler/dhcp.template, as /etc/dhcpd.conf will be # overwritten. #… admin Tue, 03 Jan 2012 23:03:49 -0700 http://wiki.yepn.net/hadoop?rev=1321426085&do=diff cloudera hadoop Install rpm -ivh cdh3-repository-1.0-1.noarch.rpm yum install hadoop-0.20-conf-pseudo hadoop-0.20-native config文件 core-site.xml <?xml version="1.0"?> <?xml-stylesheet type="text/xsl" href="configuration.xsl"?> <configuration> <property> <name>fs.default.name</name> <value>hdfs://namenode.mobcon.inside:8020</value> </property> <property> <name>hadoop.tmp.dir</name> <value>/var/lib/hadoop-0.20/cache/${user.name}</value> </property> <!-- OOZIE pr… admin Tue, 15 Nov 2011 23:48:05 -0700 http://wiki.yepn.net/flume?rev=1321352640&do=diff 确认路径[/tmp/] admin Tue, 15 Nov 2011 03:24:00 -0700 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 -0700 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 -0700 http://wiki.yepn.net/php?rev=1317363799&do=diff PHP Error Warning: session_start()的解决方法 修改php.ini中的session.auto_start = 0 为 session.auto_start = 1 PHP学习笔记 字符串运算符. <?php $a=my; $b=name; echo ($a.$b); #把字符串$a与字符串$b连起来 ?> 数组运算符+ + 运算符把右边的数组附加到左边的数组后面，但是重复的键值不会被覆盖。 <?php $a = array("a" => "apple", "b" => "banana"); $b = array("a" => "pear", "b" => "strawberry", "c" => "cherry"); $c = $a + $b; // Union of $a and $b echo "Union of \$a and \$b: \n"; var_dump($c); $c = $b + $a; // Union of $b and $a echo "Union of \$b and \$a: \n"; var_dump… admin Fri, 30 Sep 2011 00:23:19 -0700 http://wiki.yepn.net/openldap?rev=1317107659&do=diff 因为现在公司里的员工帐号分为邮件、上网、Samba、SNS、Desknets等帐号，管理起来非常的麻烦，特别是员工入社和退社时需要在每个服务器上做一次操作，加大了管理成本，主要是把我的复杂化了很多，所以想把帐号统一起来，因为以前也没有接触过Openldap，所以这次是从头学起，包括数据库部分。 特作此笔记方便以后自己记录和查找相关资料 admin Tue, 27 Sep 2011 01:14:19 -0700 http://wiki.yepn.net/git?rev=1316676295&do=diff git clone https时报错解决办法 Cloning into cancan... error: SSL certificate problem, verify that the CA cert is OK. Details: error:14090086:SSL routines:SSL3_GET_SERVER_CERTIFICATE:certificate verify failed while accessing <https://github.com/ryanb/cancan.git/info/refs> admin Thu, 22 Sep 2011 01:24:55 -0700