vi bashrc

The hosts has not been modified. Follow the previous steps to modify the hosts. If Java has not been installed, follow the previous configuration. (1) Add a user and set up a public key: Sudo addgroup hadoop Sudo adduser -- ingroup hadoop

Build ubuntu11.10 Android Environment 1. Install Android SDK Download the android SDK and select Linux (i386) (applicable to both 32-bit and 64-bit platforms) Wget http://dl.google.com/android/android-sdk_r16-linux.tgzTar xvfz

First, greenplum cluster installation environmentA master two segment set up by a virtual machine.Second, pre-installation preparation1) Required installation packageGreenplum Monitoring installation package: Greenplum-cc-web-3.0.2-linux-x86_64.zip2)

VI .bashrc 添加：Export java_home=/usr/lib/jvm/java-8-oracleexport jre_home= $JAVA _home/jreexport CLASSPATH =.: $JAVA _home/lib: $JRE _home/lib: $CLASSPATHexport PATH= $JAVA _home/bin: $JRE _home/bin: $PATHsource. BASHRCChanged to point-to-

Typically, when you use CP-RF to manage files or folders, you are generally no longer reminded of overwriting. However, the use of CP-RF on a single machine in the intranet indicates whether or not to overwrite. Is it different from the usual

Multi-version management of JDK under LinuxIn the development of the project, no matter what language can not avoid multiple version of the environmental management issues (although this article in the JDK as an example, but not limited to the JDK),

One, Linux under the CP/RM/MV Force overwrite (a), backslash (\) temporarily de-alias [email protected] ~]# \cp filename new/filename ~]#(b), Unalias cancel AliasNote: This is only a temporary cancellation of the CP alias, not Permanent

Note: This article has reference to this article, but because of some errors, so in the actual operation encountered a lot of trouble, so wrote this article for everyone to useFirst, prepare 1.1 to create a Hadoop usersudo useradd-m

Today for Hadoop configuration Zeromq, JZMQ encountered a variety of problems, first compile error, to compile a successful test error, and so on, the following I encountered the problem to share with you.The first note is: You must compile and

How to install Gauss (Gaussian) softwareCompared to other computing software, the installation of Gauss software should be the simplest.First download to the Gaussian package, then unzip, and finally configure the environment variables can be

Q: Today in Ubuntu 14 normal user SSH login shell found that the LS command to view the directory, the Discovery folder and files are the same color display! This is unreasonable, Linux will be based on the file type is different color display Ah!

Toss for a long time, in accordance with the official website installation process installed more than 3 times, the discovery is still not successful, the final discovery is the Linux machine itself problem, because I use the company's virtual

Uninstall default: Log in to the system with the root user, open a terminal input # Rpm-qa|grep GCJ display content contains the following two lines of information # JAVA-1.4.2-GCJ-COMPAT-1.4.2.0-27JPP # JAVA-1.4.2-GCJ-COMPAT-DEVEL-L.4.2.0-27JPP

Linux commands (2) manMan is a common help command under Linux.?If it is easy to install, you need yum a man pack before you can use the Man command#yum Install Man-y?man-Display the online Help Manual (Manualpage) manpath-determine the search path

First go to Oracle official online download JDK, I download is jdk-8u51-linux-x64.tar.gz this version, official web also has a RPM file, this is a red Hat company installs a version, started I download this version, then also installs the RPM in

Upload jmeter to test server, unzip to/home/zicheng.sun/jmeter config environment variable VI ~/.BASHRC #. BASHRC # Source Global definitionsif [-F/ETC/BASHRC]; Then. /etc/bashrcfijava_home=/data/softwares/jdk-1.7.0-67path= $JAVA _home/bin:

Linux Talent Program Linux Talent Program Linux Application Areas Linux differs from Windows System partition Type Partition device file name and mount Linux

[[Email protected] ~]# AliasaliasCP='cp-i'aliasMV='mv-i'aliasRM='rm-i'[[Email protected]~]# [[email protected]~]# [[email protected]~]# [[email protected]~]# [[email protected]~]# AliasCPaliasCP='cp-i'[[Email protected]~]# alias cls='Clear'[[Email

Job ManagementFor example, when we landed bash, we wanted to copy files, search the data, compile on one side, and write the VI program on the side! Of course we can repeat the landing on the six-text interface in the terminal environment, but can

Linux terminal Everyone must know, recently in the use of the time to find a folder in the deep level of the directory, the absolute path of the terminal hint is very long, so that people feel very unaccustomed, here to introduce how to modify the