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