hostname info

Linux uses the hostname command to modify the host name. An example of modifying a hostname in Linux. Run directly hostname can view the current host name, to view the hostname of other command parameters, run hostname-h as

CentOS7.0 Modify host name (hostname) Hostname in Linux is very important in most applications. For example, some applications force the host name instead of the IP address. If the default host name is localhost. if localdomain is used, the problem

Hostname in Linux is very important in most applications. for example, some applications force the host name instead of the IP address. if the default host name is localhost. if localdomain is used, the problem will occur, and it seems so

One, what is flume?As a real-time log collection system developed by Cloudera, Flume is recognized and widely used by the industry. The initial release version of Flume is currently known collectively as Flume OG (original Generation), which belongs

File system access list:Facl:filesystem Access Control ListSave additional access control permissions with file extensionsOwner>group>otherOwern>facl,user>group>facl,group>otherSetfacl-M: SetU:uid:permG:gid:perm-X: CancelU:uidG:gid[Email protected] ~

About cannot get host info reported in disconf ContOS I found the problem of cannot get host info reported by deploying disconf in linux. I found it through the disconf source code on github: Row 45th: InetAddress. getLocalHost (); it is found

MHA on-line switchover is MHA in addition to automatic monitoring switching provided by another way, more for such as hardware upgrades, MySQL database migration and so on. This way provides fast switching and graceful blocking writes, regardless of

Installing spark requires installing the JDK first and installing Scala.1. Create a Directory> Mkdir/opt/spark> Cd/opt/spark2. Unzip, create a soft connection> Tar zxvf spark-2.3.0-bin-hadoop2.7.tgz> Link-s spark-2.3.0-bin-hadoop2.7 Spark4. Edit/etc/

OraToolKit is a tool used to support and quickly deploy various Oracle software environments and support different versions of databases and operating systems. This toolkit also contains a more practical rlwrap. Everyone knows that sqlplus in linux

GreenPlum database fault recovery test This article describes gpdb master fault and recovery testing and segment fault recovery testing. Environment Introduction:Gpdb version: Binary version 5.5.0OS: CentOS linux 7.0Master segment: 192.168.1.225/24