Cloud Applications

In LINUX, Shell is used to automatically monitor tomcat and restart the tomcat instance. 01 #! /Bin/sh0203 # func: automatically monitors tomcat scripts and restarts www.2cto. com04 # author: danny05 # date: 02/20/201306 # DEFINE0708 # get the

Xubuntu Learning Summary (2) installation of hadoop1.04ssh password-free login failure 1. install sshsudoapt-getinstallssh.2. install rsyncsudoapt-getinstallrsync3. configure ssh password-free login to www.2cto. comssh-keygen-trsa-P... xubuntu

Simple script writing 1. exercise: write a script www.2cto.com to determine whether there are users in the current system. the default shell is bash. if so, the number of such users is displayed. otherwise, no such user is displayed; grep & quot;

Linux grep command set for analyzing apache logs in linux. a good article is worth noting. with these commands, apache log analysis is a major part of the history. Www.2cto.com instance: month. january II... linux grep command set for analyzing

Aix deletes or stops ip commands. 1. run the smit command www.2cto. comsmitinetChange/ShowaStandardEthernetInterfaceTypeorselectvaluesinentry... aix deletes ip addresses or stops ip commands. 1. run the smit command www.2cto.com smit inet

Solve the problem of packet loss caused by repeated aix routing # netstat-rnwww.2cto.comRoutingtablesDestinationGatewayFlagsRefsUseIfExpGroupsRouteTreeforProtocolFamily2 (Inte... solve the packet loss problem caused by repeated aix routes #

CentOS6.3 enable the service and set the automatic networking virtual machine to NAT mode. by default, CentOS is not automatically connected to the internet. click a computer icon in the upper right corner and select systemeth0 to connect,

Awk uses the following methods to reference external variables to call variables: www.2cto. com1.awk & amp; #39; {printa, B} & amp; #39; a111b222yourfile note: The variable must be placed before the file name; otherwise, it cannot be called. example:

Skills accumulated over the past five years in Linux (2) -- system (I) This article mainly introduces some skills in Linux. The author JHGao & lt; gaopenghigh@gmail.com & gt; has been in touch with Linux for five years now, just like everyone else,

Linux distinguishes physical CPU, logical CPU, and CPU cores (I) concept www.2cto.com ① physical CPU the number of physical CPUs in the actual Server slot the number of physical CPUs, the number of non-repeated physical... information & nbsp; | &

Passwd: Usernotknowntotheunderlyingauthentication solves this problem because passwd: Usernotknowntotheunderlyingauthentication is encountered when creating new users for Linux... passwd: User not known to the underlying authentication solves this

The software package required for apache and tomcat integration: the httpd-2.2.21.tar.gztomcat-connectors-1.2.32-src.tar.gzjdk-7-linux-x64.rpmapache-tomcat-7.0.23.tar.gz first installs the gcc environment before compilation .. Www.2cto.com first

Hbaseshell basics and common commands HBase is a distributed, column-oriented open source database, originated from a google paper bigtable: A Distributed Storage System for structured data. HBase is an open-source implementation of GoogleBigtable.

Shutting down a Linux system is different from restarting a desktop system. as a server, we rarely restart a Linux system. However, in the following cases, we will restart the system: www.2cto.com hardware change system configuration the system is

Port the SSH hardware platform in the embedded linux system: (arm) operating system: linux has been using serial port debugging machines, but the wired serial port is also inconvenient, the debugging device must hold a notebook, so try to Port SSH

1. ubuntu is usually installed as a second system on a hard disk. how to install Ubuntu in Windows is not described here. after adjusting the Grub system startup sequence and installing Ubuntu, the Grub system startup sequence menu is displayed

1. the link for yum on the Internet requires a repodata directory, which is the place where the software attributes generated after analysis of RPM software depend on each other. 2. configuration file:/etc/yum. repos. d/CentOS-Base.repo, can also be

SRPM usage: rpmbuild1, different from RPM: whether the file format of www.2cto.com is directly installed or not contains the program type. Can you modify parameters and compile RPMxxx. rpm can be compiled and cannot be SRPMxx... information & nbsp; |

LinuxSCP and SSH commands are usually used for Oracle experiments and data transmission or login between multiple hosts. These two commands are often used here for the simplest examples to avoid forgetting (I) SCPwww.2cto. comscp is... news & nbsp; |

How to configure the FTP service in Linux 1. mount the OS image disk [root @ dssmedia] # mount/dev/cdrom/mediawww.2cto. com2. install the FTP service package [root @ dssServer] # ls-lt | grepvsftp-rw-r -- 1rootroot143... how to configure the FTP