Remote Log Collection in Linux System

A normal service Linux server produces a lot of log information every moment. If there are dozens or even hundreds of servers in the production environment, it is very troublesome to check the system logs one by one. Today, with the continuous updating of technology, there are many technologies that can centralize the management of logs. The m ...

Posted on Thu, 19 Sep 2019 05:12:55 -0400 by 8ennett

linux View Network Card Traffic Method

Use of the watch command   Watch is a very useful command. Basically all Linux distributions come with this gadget. Like the name, watch can help you monitor the results of a command and save you from running it manually over and over again. Under Linux, watch is the next program that executes periodically and displays the results on ...

Posted on Fri, 05 Jul 2019 14:52:47 -0400 by danelkayam

Use of the linux package rpm

One rpm Package Manager     (1) Introduction of rpm     rpm is not only a file suffix, but also a tool, external command, package manager Functions: Package the components of the compiled application into one or more package files, so as to quickly and easily implement package installation, uninstallation, query, upgrade and verification ...

Posted on Mon, 01 Jul 2019 14:51:35 -0400 by Thierry

cobbler Automation Installation Operating System

cobbler is a fast network installation service that supports many Linux distributions: Red Hat.Fedora, CentOS, Debian, Ubuntu and SuSE can also support network installation windows I. Configuring yum sources The source of cobbler is epel source, so configure yum source first [root@centos7 ~]# vim /etc/yum.repos.d/base.repo [base] name=base ba ...

Posted on Thu, 16 May 2019 17:16:21 -0400 by xcmir

Basic Use of Ansible Automation Operations and Maintenance Tools

First, what is Ansible? Ansible is a very lightweight and powerful operation and maintenance automation tool; the operation and maintenance automation tool is designed to simplify the operation and maintenance work, but if the tool itself is more complex, it even needs a certain program development capability. It will increase t ...

Posted on Wed, 24 Apr 2019 21:27:35 -0400 by ashley526

SaltStack deployment and introduction

SaltStack deployment and introduction SaltStack deployment Introduction to saltstack Salt is a unified configuration management tool (similar to puppet functionality). It can execute commands remotely in batches, modify configuration files, deploy software, and perform tasks on time... In short, you can imagine that it can do almost eve ...

Posted on Wed, 03 Apr 2019 02:36:29 -0400 by NJordan72

Clamav Antivirus Software for CentOS 6 Host Security Reinforcement Strategy (IV) CentOS 7 On-access Scanning Mode Test

Brief description: ClamAV's On-access scanning mode is a real-time monitoring mode, which is implemented by the kernel component fanotify. The so-called fanotify is (fscking all notifications and file access system) Need kernel version 2.6.36 and beyond, and only support Linux system platform, currently CentOS can only be ins ...

Posted on Fri, 08 Feb 2019 00:03:16 -0500 by 1337hovie

Week 7 Lesson 1: w, vmstat, top, sar, nload

10.1 View the load of the current system Use the w command [root@greenfinch ~]# w 04:08:09 up 32 min, 1 user, load average: 0.00, 0.01, 0.05 USER TTY FROM LOGIN@ IDLE JCPU PCPU WHAT root pts/0 192.168.159.1 03:37 1.00s 0.16s 0.03s w Description: The first line shows information from left to right ...

Posted on Sun, 16 Dec 2018 05:18:03 -0500 by allyse