Linux

Monitoring is the core task of cluster management. Monitoring data can be used for scheduling tasks, load balancing, reporting hardware and software failures to administrators, and extensive control of system usage. Monitoring information must be

Configure SNMP on Debian or Ubuntu To install the SNMP agent (SNMPD) on a Debian based system, run the following command: The code is as follows: root@server:~# Apt-get Install SNMPD Then, edit the configuration file as follows. The code is as

What is Unixbench? Unixbench is a set of UNIX system benchmark suite. Unixbench's design goal is to provide a set of basic metrics for UNIX-like systems, so there are a number of project test system performance. Each test has a score, then a

This article mainly introduces the Linux system recursive generation directory file MD5 method, using PHP script implementation, the need for friends can refer to the Linux uses md5sum recursively to generate the entire directory MD5 Today to use

Note how to implement folder sharing and bidirectional copying between host and virtual machines under VirtualBox about bidirectional copies 1. Set the virtual machine to "two-way" shared paste Some people respond as long as the two-way paste

Turn from: http://roclinux.cn/?p=2449 This original article belongs to the "Linux Shed" blog. The blog address is http://roclinux.cn. The author of the article is ROC. === "First meeting." I believe that the use of Nslookup students must be

Compiling a program file in Linux requires the use of gcc/g++, but in a project it may contain more than just a file, so it is time-consuming to compile a single file and increase the risk of a program error. In Linux, you can use make to compile

Before also wrote a lot of Zec mining tutorials, however, many platforms have closed down, or abroad, resulting in a lot of novice friends even wallet can not get So update next 2018 years the latest Zec mining tutorials (Zcash mining tutorials)

First, the configuration commands are logged to the syslog:Under/ETC/BASHRC of the client, add:Logger-p local3.info \ "' Who am I ' ======================================= is login \"Export prompt_command= ' {msg=$ (History 1 | {read x y; echo $y;});

Proc is a virtual file system that is mounted on the/proc directory in a Linux system. Proc has several features, which include the ability for users to access kernel information or use it for troubleshooting, one of the most useful features that

First, the hard diskThe function of a hard disk is quite simple but important, and it is responsible for recording the various data required by the system. The hard disk record data has two aspects, one is the hardware aspect storage principle and

Under Ms-windows, you can use the ipconfig command to clear the DNS cache. However, Linux and UNIX provide different ways to clear the cache. Linux can run NSCD or BIND or DNSMASQ as the name Service cache daemon. Large or workgroup servers may use

Recently want to be able to configure load balancing, in the virtual machine above, but the Internet to find a lot of information is fragmented, for people who do not know, a lot of not enough detail, recently finally done, the specific steps to

Source: http://www.cnblogs.com/xd502djj/archive/2011/11/23/2260094.html This article summarizes some common commands and parameters used to add or delete users and user groups in Linux.1. User Creation:Adduser sunxuezhi // create a sunxuezhi

In the code of the entire USB-storage module, the most soul part is in a function called usb_stor_control_thread (), which is naturally the climax of our entire story. Some special functions are called from the usb_stor_acquire_resources () function,

KVM-Installation and preliminary use, KVM-Installation and Use KVM is short for Kernel-based Virtual Machine. It is an open-source virtualization module. Today I will install KVM ON THE CentOS7 operating system. Below are my installation steps. I.

Use cAdvisor + InfluxDB + Grafana to configure Docker monitoring and cadvisorinfluxdb Configure the Docker monitoring system, collect data (cAdvisor)-> store data (InfluxDB)-> display data (Grafana)InfluxDB A series of InfluxDB learning articles.

Create a private CA server and a private ca ServerWhat is a certificate? It is used to prove that something is indeed something. In general, certificates are like official seals. The official seal proves that the relevant documents are indeed issued

Day2 -- set the NIC through setup, day2 -- setup the NIC Configure the IP address. After installing centos, you must configure the IP address as follows: 1. First enable the VM, as shown below: 2. log on to the root account as follows: 3. Enter

How to Use syslog-ng to collect logs from a remote Linux machine If your data centers are all Linux servers, you are the system administrator. One of your tasks is to view the server's log files. However, if you view log files on a large number of