Configuring the Hadoop environment under Linux

1. Preparing the Linux environment1 Click the VMware shortcut, right-click to open the file, double-tap Vmnetcfg.exe, VMnet1 host-only, modify subnet IP settings network segment: 192.168.1.0 Subnet mask: 255.255.255.0, apply, OKBack to Windows--open

Installing JDK under Linux

1. Download Jdk-6u45-linux-x64.bin from OracleDownload file: Jdk-6u45-linux-x64.bin2. Copy the Jdk-6u45-linux-x64.bin into the/usr/java3 Enter the/usr/java directory, modify the Jdk-6u45-linux-x64.bin executable permissions chmod u+x

Nohup use under Linux

In the actual production environment, usually because of the actual demand, to suspend a script or process in the background, if it is suspended process can also use the XINETD service to daemon, but if only need to suspend a script in the

Linux Learning notes-install virtual machines, device mounts, soft and hard links

############### #安装虚拟机 ###########################1. command line install virtual machine[Email protected] ~]# virt-install \ # # #安装虚拟机>--name westos \ # # #安装虚拟机的名字>--ram \ # # #内存>--location ftp://172.25.254.250/pub/rhel6.5 \ # #

Getting Started with Linux--ubuntu shortcut keys

Open Terminal:Ctrl + ALT + TSplit screen:Ctrl + Win + arrows left or arrow rightShow Desktop: Ctrl + win + DToggle Workspace:Ctrl + ALT + arrow left or arrow rightNew folder:shift+ctrl+nctrl+alt+shift+→ Move the window to the workspace on the right

Day 13th (Linux Common basic commands)

Create a new logical volume with the following requirements:*) the logical volume is nameddatabase,belong todatastoreVolume Group.*) in thedatastorelogical volumes in a volume group, 500M.     *)Use{EXT3|EXT4|XFS}The file system formats the new

Linux First lesson

Linux First lesson1, c Development of the World of Linux systems (based on Red Hat Enterprise Linux Server release 6.3 (Santiago))2. View CPU ——————————— Cat/proc/cpuinfo650) this.width=650; "Src="

Linux User Management 2

Linux User Management 2Add modify and delete user, must be Super Administrator root account can do the operation, so when the current account is not the Super Administrator root account, first of all to switch to the root account., the error that

Linux environment variables

Linux environment variablesThere are three files for the Linux Global environment variable:/etc/profile/etc/profile.d/ETC/BASHRC-----> Recommendations in this file priority configurationYou can also use the: Export command to set environment

Linux User actions

1. Add UsersFirst, add an ordinary user with the AddUser command, with the following command:#adduser Tommy//Add a user named Tommy#passwd Tommy//Change PasswordChanging password for user Tommy.New UNIX Password://Enter your password hereRetype new

Linux starts learning again

Linux-related systems were tested in the previous work and tested for Linux soft and hard,Mainly for domestic self-controlled software and hardware testing:1, based on the Linux kernel under the domestic operating system2, based on LINUX-C

How to install FFmpeg under Linux

bz2

1, lameLame-3.97.tar.gzURL:http://sourceforge.net/project/showfiles.php?group_id=290&package_id=309The installation method is as follows:  TAR-ZXVF lame-3.97. tar.gz CD lame-3.97 ./configure--enable-shared--prefix=/usr Make

Linux Mint and linuxmint

Linux Mint and linuxmintView DependenciesDpkg -- get-selections | grep software nameSoftware source update System Settings-> Software Sources update System$ Sudo apt-get update$ Sudo apt-get upgrad$ Sudo apt-get dist-upgradInstall multimedia

Vsftp, vsftpd

Vsftp, vsftpd 1 yum install vsftpd -y2 iptables -I INPUT 1 -p tcp --dport 20:21 -j ACCEPT3 service iptables save1 vim/etc/vsftpd. conf 1 anonymous_enable = YES // you can log on to an anonymous account. 2 anon_root =/var/ftp // The default logon

Linux ~ Connection to windows ftp, unzip problems, ftpunzip

Linux ~ Connection to windows ftp, unzip problems, ftpunzipIn linux, the ftp server connected to windows is ftp: // 192.168.2.71. the user name and password are successfully entered. A problem occurs when the file is downloaded using get and unzip

Linux User Management 1 (/etc/passwd), etcpasswd

Linux User Management 1 (/etc/passwd), etcpasswd All Linux users are in the/etc/passwd file. 1. Why do users need it? 1) Reasonable Allocation of computer and network resources 2) Permission for users to access the system. 3) Identity Authentication

Use xmanager to receive graphical interfaces and xmanager graphic interfaces

Use xmanager to receive graphical interfaces and xmanager graphic interfaces Assume that xmanager is installed on Windows (192.168.0.101) and you want to receive a graphical interface from linux (192.168.100.16.1. Open Xmanager-Passive on win side

Debian, Ubuntu linux install openjdk, Ubuntu openjdk

Debian, Ubuntu linux install openjdk, Ubuntu openjdk Sudo apt-get install openjdk-8-jre This is just to install jre. Do not install this Install the following. Sudo apt-get install openjdk-8-jdk   Configure the environment Gedit/etc/profile

Add custom system services in CentOS 7

Add custom system services in CentOS 7 Centos7 boot items are divided into two types: system and user For example, the system type can be run without login like mysql, and put it under/usr/lib/systemd/system. Otherwise, the program that can run

Apache installation and Apache installation

Apache installation and Apache installation 1. Get the source code package Cd/usr/local/src/LsWget http://mirrors.cnnic.cn/apache/httpd/httpd-2.4.25.tar.gz 2. decompress, compile, and install Tar zxvf httpd-2.4.25.tar.gz Cd httpd-2.4.25 Cat INSTALL #

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