<?xml version="1.0" encoding="utf-8" ?><rss version="2.0"><channel><title><![CDATA[iteye_15756的博客]]></title><description><![CDATA[]]></description><link>https://blog.youkuaiyun.com/iteye_15756</link><language>zh-cn</language><generator>https://blog.youkuaiyun.com/</generator><copyright><![CDATA[Copyright &copy; iteye_15756]]></copyright><item><title><![CDATA[mysql 更改数据目录]]></title><link>https://blog.youkuaiyun.com/iteye_15756/article/details/82618779</link><guid>https://blog.youkuaiyun.com/iteye_15756/article/details/82618779</guid><author>iteye_15756</author><pubDate>Thu, 07 May 2015 11:29:26 +0800</pubDate><description><![CDATA[
用show variables like 'datadir'，可查看真正的data目录
1、首先我们需要关闭MySQL，命令如下：
   service mysqld stop
2、然后是转移数据，为了安全期间，我们采用复制的命令cp，先找到mysql的原目录
   cd /var/lib   ls
   运行这个命令之后就会看到mysql的目录了，然后执行cp命令
   cp -a...]]></description><category></category></item><item><title><![CDATA[yum 代理安装]]></title><link>https://blog.youkuaiyun.com/iteye_15756/article/details/82612109</link><guid>https://blog.youkuaiyun.com/iteye_15756/article/details/82612109</guid><author>iteye_15756</author><pubDate>Sun, 04 Jan 2015 14:03:19 +0800</pubDate><description><![CDATA[
    yum的存在使centos上软件的安装、配置、升级、卸载变得十分的方便，但是当安装centos的机器是通过代理服务器访问外网的话，yum的使用就变得无从下手了，以下介绍以下怎样为yum配置代理地址及代理用户，使在代理上网的环境下亦能享受yum带来的方便，而不一定要去进行make &amp;amp; make install。
用vi编辑器打开yum配置文件，一般情况下： vi /etc/yum...]]></description><category></category></item><item><title><![CDATA[FTP]]></title><link>https://blog.youkuaiyun.com/iteye_15756/article/details/82608409</link><guid>https://blog.youkuaiyun.com/iteye_15756/article/details/82608409</guid><author>iteye_15756</author><pubDate>Tue, 04 Nov 2014 13:13:36 +0800</pubDate><description><![CDATA[
1、安装vsftpd#  yum install vsftpd 服务端
# yum install ftp 客户端 2、启动vsftpd #  service vsftpd start3、关闭防火墙#  service iptables stop这个时候就可以匿名登录了4、关闭selinux#  vi /etc/selinux/config   找到SELINUX=enforcing   改...]]></description><category></category></item><item><title><![CDATA[  No Java compiler available]]></title><link>https://blog.youkuaiyun.com/iteye_15756/article/details/82607444</link><guid>https://blog.youkuaiyun.com/iteye_15756/article/details/82607444</guid><author>iteye_15756</author><pubDate>Wed, 22 Oct 2014 15:34:17 +0800</pubDate><description><![CDATA[
现在要做的就是添加apache ant的编译工具，不安装则会报错
 
 
Problem accessing /hwi/. Reason:
    No Java compiler available
安装方法不做介绍了，网上很多。
安装完后需要设置path：
设置ANT_LIB路径
            export ANT_LIB=/usr/lib/apache-ant-1...]]></description><category></category></item><item><title><![CDATA[Hive的运行模式即任务的执行环境]]></title><link>https://blog.youkuaiyun.com/iteye_15756/article/details/82607440</link><guid>https://blog.youkuaiyun.com/iteye_15756/article/details/82607440</guid><author>iteye_15756</author><pubDate>Wed, 22 Oct 2014 14:57:28 +0800</pubDate><description><![CDATA[
1   启动hive 命令行模式：

   1：直接输入#/hive/bin/hive的执行程序，
   2：或者输入 #hive --service cli
2.hive验证启动的方法

      1、hive web界面的(端口号9999) 启动方式
            #hive --service hwi &amp;amp;
                  用于通过浏览器来...]]></description><category></category></item><item><title><![CDATA[centos6.5 安装mysql5.6]]></title><link>https://blog.youkuaiyun.com/iteye_15756/article/details/82606916</link><guid>https://blog.youkuaiyun.com/iteye_15756/article/details/82606916</guid><author>iteye_15756</author><pubDate>Wed, 15 Oct 2014 14:51:34 +0800</pubDate><description><![CDATA[

yum install wget
wget http://repo.mysql.com/mysql-community-release-el6-5.noarch.rpm
rpm -ivh mysql-community-release-el6-5.noarch.rpm

ls -l /etc/yum.repos.d/mysql-community*
yum install  mysql...]]></description><category></category></item><item><title><![CDATA[centos7 修改主机名]]></title><link>https://blog.youkuaiyun.com/iteye_15756/article/details/82606899</link><guid>https://blog.youkuaiyun.com/iteye_15756/article/details/82606899</guid><author>iteye_15756</author><pubDate>Wed, 15 Oct 2014 13:30:39 +0800</pubDate><description><![CDATA[
在CentOS/RHEL 7中，有个叫hostnamectl的命令行工具，它允许你查看或修改与主机名相关的配置。
要查看主机名相关的设置：

$ hostnamectl status

    只查看静态、瞬态或灵活主机名，分别使用“--static”，“--transient”或“--pretty”选项。


$ hostnamectl status [--static|--trans...]]></description><category></category></item><item><title><![CDATA[linux时间服务器]]></title><link>https://blog.youkuaiyun.com/iteye_15756/article/details/82604643</link><guid>https://blog.youkuaiyun.com/iteye_15756/article/details/82604643</guid><author>iteye_15756</author><pubDate>Mon, 15 Sep 2014 10:40:19 +0800</pubDate><description><![CDATA[
一、时间
概念：Linux时间有两个
系统时间：也叫软件时间(sys)， 1970年1月1日到当前时间的秒数
BOIS时间：也叫硬件时间(hc)
显示时间：
date;    -------》（软件时间）
hwclock -r  --------》（硬件时间）
设置时间:
没有网络的情况下可以用这个

date -s 20121019  
date -s 23:40:00 ...]]></description><category></category></item><item><title><![CDATA[vboxmanage]]></title><link>https://blog.youkuaiyun.com/iteye_15756/article/details/82600153</link><guid>https://blog.youkuaiyun.com/iteye_15756/article/details/82600153</guid><author>iteye_15756</author><pubDate>Mon, 14 Jul 2014 12:16:06 +0800</pubDate><description><![CDATA[
vboxmanage hostonlyif create ipconfig centos03 --ip 192.168.56.1 --netmask 255.255.255.0
 
vboxmanage hostonlyif remove centos01
]]></description><category></category></item><item><title><![CDATA[CentOS 6.4 安装mysql-5.6.12-linux-glibc2.5-i686]]></title><link>https://blog.youkuaiyun.com/iteye_15756/article/details/82583833</link><guid>https://blog.youkuaiyun.com/iteye_15756/article/details/82583833</guid><author>iteye_15756</author><pubDate>Mon, 30 Jun 2014 12:05:11 +0800</pubDate><description><![CDATA[
1.解压缩mysql-5.6.12-linux-glibc2.5-i686.tar.gz       命令：tar zxvf mysql-5.6.12-linux-glibc2.5-i686.tar.gz                   mv mysql-5.6.12-linux-glibc2.5-i686/ /opt/mysql2.准备并安装 
进入/opt/mysql目录后，运行命令...]]></description><category></category></item><item><title><![CDATA[flume 命令]]></title><link>https://blog.youkuaiyun.com/iteye_15756/article/details/82579051</link><guid>https://blog.youkuaiyun.com/iteye_15756/article/details/82579051</guid><author>iteye_15756</author><pubDate>Thu, 08 May 2014 18:53:02 +0800</pubDate><description><![CDATA[
flume-ng agent -n a1 -c conf -f source_netcat-sink_logger.properties
telnet localhost 44444
 
 
 
 
flume-ng agent -n a1 -c conf -f source_avro-sink_filerole.properties
flume-ng avro-client -H...]]></description><category></category></item><item><title><![CDATA[Hadoop 2.2 and Flume 1.4 Protobuf Problem and Solution]]></title><link>https://blog.youkuaiyun.com/iteye_15756/article/details/82579049</link><guid>https://blog.youkuaiyun.com/iteye_15756/article/details/82579049</guid><author>iteye_15756</author><pubDate>Thu, 08 May 2014 18:41:56 +0800</pubDate><description><![CDATA[
Hadoop 2.2 uses protobuf 2.5 for its RPC, and Flume loads its older packaged version of protobuf ahead of Hadoop’s, which causes this error. To fix this you’ll need to move both protobuf and guava ou...]]></description><category></category></item><item><title><![CDATA[分割文件]]></title><link>https://blog.youkuaiyun.com/iteye_15756/article/details/82577868</link><guid>https://blog.youkuaiyun.com/iteye_15756/article/details/82577868</guid><author>iteye_15756</author><pubDate>Sat, 26 Apr 2014 10:32:28 +0800</pubDate><description><![CDATA[
按照指定大小分割 ，并指定分割后的文件前缀，使用-d选项可以指定后缀为数字
 
例如命令：
split -b=500M -d 20130801.csv datafile
结果：
datafile00
datafile01
datafile02
datafile03
 
 
 
...]]></description><category></category></item><item><title><![CDATA[spark Transformations，Actions]]></title><link>https://blog.youkuaiyun.com/iteye_15756/article/details/82577366</link><guid>https://blog.youkuaiyun.com/iteye_15756/article/details/82577366</guid><author>iteye_15756</author><pubDate>Tue, 22 Apr 2014 11:23:57 +0800</pubDate><description><![CDATA[
val result = textFile.flatMap(line =&amp;gt; line.split(&quot;\\s+&quot;))
        .map(word =&amp;gt; (word, 1)).reduceByKey(_ + _)
]]></description><category></category></item><item><title><![CDATA[Linux下*.tar.gz文件解压缩命令]]></title><link>https://blog.youkuaiyun.com/iteye_15756/article/details/82577122</link><guid>https://blog.youkuaiyun.com/iteye_15756/article/details/82577122</guid><author>iteye_15756</author><pubDate>Sat, 19 Apr 2014 11:03:26 +0800</pubDate><description><![CDATA[
 

1.压缩命令：
　　命令格式：tar  -zcvf   压缩文件名.tar.gz   被压缩文件名
      可先切换到当前目录下。压缩文件名和被压缩文件名都可加入路径。
 
2.解压缩命令：
　　命令格式：tar  -zxvf   压缩文件名.tar.gz
　　解压缩后的文件只能放在当前的目录。

...]]></description><category></category></item><item><title><![CDATA[hbase 表备份]]></title><link>https://blog.youkuaiyun.com/iteye_15756/article/details/82577120</link><guid>https://blog.youkuaiyun.com/iteye_15756/article/details/82577120</guid><author>iteye_15756</author><pubDate>Sat, 19 Apr 2014 10:51:50 +0800</pubDate><description><![CDATA[
 hbase自带的备份恢复工具hbase org.apache.hadoop.hbase.mapreduce.Export 'table1' /home/fred/table1   (hdfs路径)hbase org.apache.hadoop.hbase.mapreduce.Import 'table1' /home/fred/table1    (hdfs路径)导入时必须先创建表结构。
 ...]]></description><category></category></item><item><title><![CDATA[centos 安装mysql]]></title><link>https://blog.youkuaiyun.com/iteye_15756/article/details/82574234</link><guid>https://blog.youkuaiyun.com/iteye_15756/article/details/82574234</guid><author>iteye_15756</author><pubDate>Thu, 27 Mar 2014 16:50:36 +0800</pubDate><description><![CDATA[
//安装mysql客户端
yum install mysql
//安装mysql 服务器端
yum install mysql-server
yum install mysql-devel
 
 mysql配置文件/etc/my.cnf中加入default-character-set=utf8
在[client]下添加
default-character-set=utf8
在...]]></description><category></category></item><item><title><![CDATA[TypeError: rpmdb open failed]]></title><link>https://blog.youkuaiyun.com/iteye_15756/article/details/82571857</link><guid>https://blog.youkuaiyun.com/iteye_15756/article/details/82571857</guid><author>iteye_15756</author><pubDate>Mon, 10 Mar 2014 16:04:02 +0800</pubDate><description><![CDATA[
无法用yum安装，错误如下
TypeError: rpmdb open failed
解决办法
是因为RPM数据库出现损坏导致的，它导致所有的软件的升级、安装甚至是删除都会出现问题，终端出现乱码，YUMEX也用不成，RPM命令也用不成。原因是RPM数据库被破坏，解决方法如下：
$ su            切换到root权限
# cd /var/lib/rpm/
# for i i...]]></description><category></category></item><item><title><![CDATA[ambari]]></title><link>https://blog.youkuaiyun.com/iteye_15756/article/details/82571433</link><guid>https://blog.youkuaiyun.com/iteye_15756/article/details/82571433</guid><author>iteye_15756</author><pubDate>Thu, 06 Mar 2014 17:22:34 +0800</pubDate><description><![CDATA[
安装ambari 前置步骤:
 
centos6.5 
关闭iptables; 
关闭SELinux; 
# yum clean all# yum update openssl
 
vim /etc/resolv.conf
nameserver 8.8.8.8 
 
id_rsa
 
 
]]></description><category></category></item><item><title><![CDATA[UM安装东西提示PYCURL ERROR 6 - ＂Couldn't错误的解决办法]]></title><link>https://blog.youkuaiyun.com/iteye_15756/article/details/82571373</link><guid>https://blog.youkuaiyun.com/iteye_15756/article/details/82571373</guid><author>iteye_15756</author><pubDate>Thu, 06 Mar 2014 11:57:31 +0800</pubDate><description><![CDATA[echo &quot;nameserver 8.8.8.8&quot; &amp;gt; /etc/resolv.conf]]></description><category></category></item></channel></rss>