Previously, the jdk of ubuntu was installed with the apt-get install command. The default installation is openjdk, and the path is/usr/lib/jvm /. If you need to switch or upgrade the java version, you can use update-alternatives. Of course, you can uninstall and reinstall it, or you can install it by setting environment variables. This section describes how to install update-alternatives.Since the development of Linux, there have been a lot of availab
I. Preface:
1. Make sure that you have the root permission on the machine before installation.
2. confirm that the following software package has been installed on your installed linux system and continue.
Gcc compiler, gd library and Development Library
Note:
You can use the yum command to install these software packages. type the command:
Yum-y install httpd gcc glibc-common gd-devel
Read more: round-robin and progressive Nagios --- operation (2) Co
One, add usersGroupadd NagcmdUseradd-g Nagcmd Nagiospasswd Nagios123456usermod-a-G nagcmd ApacheIi. installation of NagiosCd/root/downloadwget http://jaist.dl.sourceforge.net/project/nagios/nagios-4.x/nagios-4.0.7/nagios-4.0.7.tar.gzcan also be downloaded from here: http://www.nagios.org/download/tar xzvf
The Nagios-plugins plugin is based on the installation of Nagios core, and the installation details of Nagios core are as follows: [Nagios monitor Nagios Core installation]http://4709096. blog.51cto.com/4699096/17022191. Compiling the installation#
In the past two days, I wanted to develop the android development environment in Linux, But I encountered a big problem when installing Sun's Java 6.
The source cannot be found.
The final installation method is to download the binfile of Java 6 on the official website, modify the/etc/profile file, and specify the location of Java, so that the Java command is available.
Then you need a command to specify which software the Java command is provided, that is, the default software. The reason for th
The Nagios plug-in provides two return values: one is the plug-in exit status code and the other is the first line of data that the plugin prints on the console. Exit status codes can be used by Nagios main programAs the basis for judging the service status of the monitored system, the first line of data printed by the console can be supplemented by the Nagios ma
Personal blog Address: http://www.cnblogs.com/wdfwolf3/Update-alternatives is a command that Ubuntu systems use for software version switching. For example, there are several versions of the JDK in the system that map the directories of these commands to a system directory as a link, then manage them through update-alternatives and set the default startup version. With update-
Use the update-alternatives command in Linux, updatealternatives
Personal blog address: http://www.cnblogs.com/wdfwolf3/
Update-alternatives is a command used by the ubuntu system to switch the software version. For example, if there are several jdk versions in the system, map the directories where these commands are located to a unified system directory as links, and then manage them through update-
Install the nagios plugin
tarzxvfnagios-plugins-1.4.11.tar.gz
cdnagios-plugins-1.4.11
./configure--prefix=/usr/local/nagios--enable-redhat-pthread-workaround
makeall
makeinstall
A plug-in is a special program in computer software. It cannot be executed independently but must depend on a software. It can be called in other software environments .)
After the installation is comp
As the saying goes, same. Just as former independent software developers (independent Software VENDOR,ISV) have extended the software portfolio from a single product to an integration suite in an effort to gain a stronger market position, today's software is the service (software-as-a-service, SaaS) Vendors are also leveraging a range of new SaaS platforms to launch the same strategy.
As more and more organizations are willing to adopt SaaS alternatives
Test environment: CentOS 6.4 x86_64"The first section prepares the installation package"Nagios can be downloaded to the official website of Www.nagios.org/download. The installation packages used in the testing process in this article are as follows:Nagios-4.0.8.tar.gzNagios-plugins-2.0.3.tar.gz"The second part quickly builds the environment that Nagios needs"If you have no special requirements for
This blog post lists 5 tools that can replace putty, some of which do not implement putty. As follows:PuTTy is the most popular SSH clients for windows-based systems. It's very small is size and easy to use. Most of the people in the Linux world prefer to use putty. But they is aware that there is many tools available to provides many features which Putty doesn ' t has. I have used many SSH clients and adding 5 alternatives of PuTTY client below which
Update-alternatives is a tool dedicated to maintaining the system command link in the Ubuntu system, which makes it easy to set which command the system uses by default, which software version, for example, we have both open jdk and Sun JDK Two versions installed in the system. And we want the system to use the sun JDK by default, what should we do? Through the update-alternatives can be very convenient to
http://persevere.iteye.com/blog/1479524Update-alternatives is a tool dedicated to maintaining the system command link in the Ubuntu system, which makes it easy to set which command the system uses by default, which software version, for example, we have both open jdk and Sun JDK Two versions installed in the system. And we want the system to use the sun JDK by default, what should we do? Through the update-alterna
Prerequisite: The lamp environment is built to complete
Remark: After Centos6.4, Centos6.5, Centos7.0 test trial!Script:
#!/bin/bash# Author:byrd# version:1.0# Site:www.t4x.org# contact:root#t4x.org#This Script for nagios-v3.5.1Path=/bin:/sbin:/usr/bin:/usr/sbin:/usr/local/bin:/usr/local/sbin:~/binExport PATHLang= "en_US. UTF-8 "# Check If user is rootIf [$UID!= "0"]; Thenecho "Error:you must is root to run the script, please use the root to install
1. Introduction to nagios Default Configuration File
Read more: cyclic and progressive Nagios --- operation (1) install the Nagios Monitoring System
After nagios is installed, the default configuration file is in the/usr/local/nagios/etc directory. The following table lists
Welcome to the network technology community forum and interact with 2 million technical staff. nagios is generally used to monitor Intranet machines. In fact, if the network conditions are good, it is also feasible to monitor machines on the public network. We used to monitor 28 SQLServer2008 databases on the public network (Telecom to telecom). It turns out that the results are also good.
Welcome to the network technology community forum and interact
Install JDK 6 first
Sudo apt-Get install sun-java6-jdk
Then you need to set the default JavaProgramSudo Update-alternatives -- config JavaEnter the corresponding options as prompted, and set them to JDK 6.
The following settingsSudo Vim/etc/environment
Add the following two lines:Classpath =/usr/lib/JVM/Java-6-sun/libJava_home =/usr/lib/JVM/Java-6-sunIf classpath and java_home are already set, change them to the above format and press ZZ
Nagios cannot be started, but the syntax check is disabled, and nagios cannot.
[root@mode objects]# /usr/local/nagios/bin/nagios -v /usr/local/nagios/etc/nagios.cfgNagios Core 3.4.3Copyright (c) 2009-2011 Nagios Core Development T
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