Update-alternatives is a tool dedicated to maintaining system command links in Linux systems, which makes it easy to set which command to use 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 achieve.To view
Word, tool update-alternatives is the function of the management system under the similar function of the symbolic link, the way is to have a similar function of the program, not directly call the program, but with a unified symbolic link to call, as to the symbolic linkWhich of the similar function programs is pointed to, is configured and managed by the tool update-alternatives.It's very abstract, so let's take an example and see what's going on nat
Alternatives and update-alternatives seem to be the same tool (different for each Linux distribution), so here's an example of update-alternatives. Update-alternatives is a very useful tool in Linux, not only in the Debian series, but also in the Redhat series.Linux has grown to today, and there are so many available s
Mud: Learning Nagios (2): Nagios configuration, mud nagios
This document consistsXiuyi Lin FengProviding friendship sponsorship, first launchedThe world
After nagios is installed, configure nagios now. For more information about nagios
Introduction of Nagios
Nagios is an open source computer system and network monitoring tool, can effectively monitor Windows, Linux and UNIX host State, switch routers and other network settings, printers and so on. When the system or service status is abnormal, send an email or SMS alert the first time to notify the site operators, in the state of recovery after the normal mail or SMS notification.
Nagios Introduction
Nagios is an Open-source application used to monitor systems and networks, typically running on a master server running Liunx or Unix operating systems. Nagios uses its numerous plug-ins to realize the monitoring of the local and remote service, when the object of the monitor is abnormal, Nagios wi
This article consists of Su Yi Lin Feng provide sponsorship, starting in Slime Line the world Once the Nagios installation is complete, we'll configure Nagios now. For Nagios installation, refer to the article "Slime: Learning Nagios (i): Nagios installation". Description: T
There have been a lot of good summaries about Nrpe's way online, and I'm now talking about how we use NSCA to get the resource usage information for the monitored nodes we need in our system.Let's talk about the basic configuration of the Nagios server side:1. Nagios Web GUI access configuration, the system is using the recommended configuration in Nagios core, a
How to Set/etc/init. d/nagios checkconfig and/usr/local/nagios/bin/nagios, nagioscheckconfig
How to output the same results for/etc/init. d/nagios checkconfig and/usr/local/nagios/bin/nagios-v/usr/local/
monitor: Shell pythonSetting up a monitoring server: monitor the specified hostNagios Cacti Zabbix++++++++++++++++++++++++++++++++++++++++Prepare a new server for monitoring server: Configuration requirements:#setenforce 0#systemctl Stop Firewalld; Systemctl Disable FIREWALLD;#配置本地yum源#ip地址 192.168.4.56+++++++++++++++++++++++++++++++++++++++++A. Build Nagios Monitoring ServerI. Deploying the Nagios Service
1. install and configure Nagios1 and Nagios is an open-source network monitoring software that complies with GPLv2 and can be used to monitor hosts and services of a specified variety of systems, you can also notify the Administrator when their working status changes. Its features include: 1) Monitoring Network Services (HTTP, POP3, SMTP, PING, MySQL, etc.) 2) monitoring host resources (disk space utilization, memory utilization, CPU load, etc) 3) Sim
update-alternatives--Management soft Connect/Word linked (Symbolic links)
Command format
update-alternatives [Options] Command
Detailed description
Update-alternatives can be created, deleted, repaired, soft-connected, and can display information about existing soft links, all of which constitute the Debian alternative system (
Rotten mud: nagios Learning (4): pnp4nagios graphical drawing of nagios data, pnp4nagiosnagios
This document consistsXiuyi Lin FengProviding friendship sponsorship, first launchedThe world
After nagios is installed, we also add some monitoring objects, but you will find that nagios is just a simple method to list thos
Ubuntu update-alternatives (soft connection management), ubuntualternatives
Update-alternatives-manage soft connections/character links (symbolic links)
Command Format
Update-alternatives [options] command
Detailed description
Update-alternatives can be used to create, delete, repair, and soft connections. It c
Alternatives is a powerful command under Linux. Can only be performed under root permissions. If there are several commands in the system that are very similar, but cannot be deleted at will, then you can use alternatives to specify a global setting.
Alternatives is often used to install multiple versions of the same software in the same system. For example, in
Article Title: O M monitoring Nagios serialization 3: deploying and configuring the Nagios service. Linux is a technology channel of the IT lab in China. Includes basic categories such as desktop applications, Linux system management, kernel research, embedded systems, and open source.
Source: it168Author: Tian Yi (sery@163.com)
As the saying goes: to do good things, you must first sharpen your tools. to m
Install the nagios framework and the nagios framework
1. Add CGI support for Perl to Nginx1. Install the FCGI Module
wget https://search.cpan.org/CPAN/authors/id/F/FL/FLORA/FCGI-0.73.tar.gztarxvzf FCGI-0.73.tar.gztar xvzf FCGI-0.73.tar.gzcd FCGI-0.73perl Makefile.PLmakemake installcd ..
2. Install the FCGI-ProcManager Module
wget https://search.cpan.org/CPAN/authors/id/G/GB/GBJK/FCGI-ProcManager-0.19.tar.g
Alternatives is an important version management tool under UNIX, which was first seen in the Debain system, because its powerful usability makes it a large number of porting in various UNIX environments, And we probably most often use the Java OPENJDK Toolkit in the usual version of the conversion, and in the alternatives implementation of multi-version is the replacement system using the command link to im
As the saying goes: to do good things, you must first sharpen your tools. to make system management easier and more effective, a good monitoring tool is essential. here, I recommend nagios, an open-source monitoring tool that has been used for more than four years and is powerful and customizable.
O M monitoring Nagios serialization 1: self-monitoring implementation of
The content source of this page is from Internet, which doesn't represent Alibaba Cloud's opinion;
products and services mentioned on that page don't have any relationship with Alibaba Cloud. If the
content of the page makes you feel confusing, please write us an email, we will handle the problem
within 5 days after receiving your email.
If you find any instances of plagiarism from the community, please send an email to:
info-contact@alibabacloud.com
and provide relevant evidence. A staff member will contact you within 5 working days.