Linux

Download the package here and unzip it:https://mariadb.org/download/Create a database folder and assign it to the WWW account:Mkdir/home/mariadbChown-r www:www/home/mariadbCompile:CMake.

One. CD mount and Uninstall:1. The command to install the CD-ROM(hdc) to the/mnt/cdrom directory of the file system is C. A Mount/mnt/cdrom B MOUNT/MNT/CDROM/DEV/HDC        c mount /dev/hdc /mnt/cdrom      D  mount /dev/hdc  2. The CD/dev/hdc

File Location:MV:/bin/mv/usr/share/man/man1/mv.1.gzName:Mv-move (rename) filesHow to use:MV [OPTION] ... [-T] SOURCE DESTMV [OPTION] ... SOURCE ... DIRECTORYMV [OPTION] ...-t DIRECTORY SOURCE ...Descriptive narrative:Rename the source file to dest,

1. Kernel Debugging Tools1.PRINTK Print kernel status2. Use GDB to view the call stack when generating opps2. What is the difference between kernel space and user space, and what is the mode of communication?Linux simplifies the segmentation

1. Jenkins DownloadJenkins Download URL: http://jenkins-ci.org/2. Jenkins Installation(1) Installing the JDKJDK Download: http://www.oracle.com/technetwork/java/javase/downloads/jdk7-downloads-1880260.htmlInstallation:Unzip the downloaded Jdk:tar

Rpm:redhat Package ManagerAdvantages:1. The software is easy to transfer and install because it has been compiled and packaged.2. Since the software information has been recorded on the Linux host database, it is convenient to query, upgrade,

Linux boot cue information script #!/bin/sh############################################################## filename:     motd.sh# Revision:    1.1# Date:         2017/07/28# Author:      doublelinux# Website:      doublelinux.blog.51cto.com###########

Centos7 view/etc/inittab as follows:' Targets ' instead of runlevels. # By default, there is both main targets:## multi 3 5# to view current default target, run:# systemctl get-default## to set a default target, run:# Systemctl set-default

1. RoleDynamic viewing of process changes, often used to find the process that consumes the most CPU resources.2. UsageTop "Parameters"Parameters:-D: The number of seconds after which the entire process interface is updated. The default is 5 seconds;

Magnet:?xt=urn:btih:1f40a018f69eaabf9b05429f6d52160af4affb91&dn=elementaryos-0.4.1-stable.20170517.iso &tr=https%3a%2f%2fashrise.com%3a443%2fphoenix%2fannounce&tr=udp%3a%2f%2fopen.demonii.com%3a1337%

1, first say what is PIPPip is "A tool for installing and managing Python packages.", which means Pip is a Python software Installation tool2, the following describes how to install PIP under LinuxDownload Pip to/usr/local/src# CD/USR/LOCAL/SRC#

Turn from: Linux process synchronization mechanismSpecific applications can be consulted: thread synchronization of the IPC signal volumeIn order to effectively control the process of communication between multiple processes, ensure the orderly and

Introductiongrep is a powerful text search tool that uses regular expressions to search for text and print matching lines. The grep full name is global Regular expression Print, which represents the globally regular expression version, and its use

System installation for Linux:CentOS 6Anaconda:fedora,linux System installation ProgramAnaconda:kickstartPre-installation configuration phase:Keyboard typeLanguage in the installation processTimeSelect the disk device you want to usePartition

1. Test function using the tests command$ test-e Hello. SH Echo " OK " Echo " No " OK2. First, judge, let the user enter a file name, we judge: If this file exists, give a "Filename does not exist" message if it does not exist, and

Hadoop new report (3) Basic hadoop concepts, new hadoop I. NameNode, SeconderyNamenode, DataNode   NameNode, DataNode, and SeconderyNamenode are all processes and run on nodes. 1.NameNode: Hadoop master node, which stores HDFS metadata 1. fsimage-it

Common commands in Linux and Common commands in linux Linux introduction and Ubuntu Installation Common commands System Management commands Compress related commands Shut down/restart the machine Linux Pipelines Linux software package management Use

Hadoop freshman Report (1) hadoop2.6.0 pseudo distributed configuration details, hadoophadoop2.6.0 First, let's look at the theory, and then start the environment; The purpose of building a pseudo-distributed system is to simulate the environment

Thoroughly Delete the Mysql database and centosmysql from the Centos System Steps: 1. Enter the command to query the mysql that has been installed in the system. Rpm-qa | grep-I mysql 2. uninstall mysql one by one. The yum remove system

RedHat install yum + configure the domestic yum source, redhatyum After redhat6.5 is installed, log on to the system and use yum update to update the system. Tip: This system is not registered to Red Hat sub‑management. You can use sub‑manager to