摘要：查看防火墙规则iptables -L查看有哪些磁盘fdisk -l查看文件系统挂载情况df -h新增一块3T硬盘，如何添加到文件系统中?首先对硬盘进行分区，然后将分区格式化成特定的文件系统：parted /dev/sdamklabel GPT (新添加的硬盘只作为数据盘，不作为引导盘，采用GPT分区格式)mkpart pri 1 -1 (将新添加的3T硬盘分成一个主分区)退出partedmkfs -t ext4 /dev/sda1 (将分区格式化成ext4文件系统格式)新建目录/data1，/dev/sda1挂载到/data1上mount /dev/sda1 /data1修改/etc/fsta 阅读全文

摘要：add following line in /etc/passwdsshd:x:74:74:Privilege-separated SSH:/var/empty/sshd:/sbin/nologin其中/var/empty/sshd修改为你自己的sshd所在目录，默认一般是/usr/local/sbin/sshd 阅读全文

摘要：import java.io.IOException;import java.util.List;import org.apache.hadoop.conf.Configured;import org.apache.hadoop.hbase.KeyValue;import org.apache.hadoop.hbase.client.Put;import org.apache.hadoop.hbase.client.Result;import org.apache.hadoop.hbase.client.Scan;import org.apache.hadoop.hbase.io.Immuta 阅读全文

摘要：I have the problem as Alberto. And I have followed Harsh's guide tosolve it. But I still get the error logging message. The followingcode in org.apache.hadoop.hbase.mapreduce.TableInputFormatBaseproduces the error message.try { regionLocation = reverseDNS(regionAddress);} catch (NamingException 阅读全文

摘要：查看操作系统及CPU型号：命令：cat /proc/versionLinux version 2.6.32-220.el6.x86_64 (mockbuild@x86-004.build.bos.redhat.com) (gcc version 4.4.5 20110214 (Red Hat 4.4.5-6) (GCC) )2.6.32-220是linux内核版本号，el6表示Enterprise Linux release 6，x86_64是CPU架构类型搜索gdb的下载地址：http://rpmfind.net/linux/rpm2html/search.php?query=gdb根据本机 阅读全文