Linux

Understanding section: LVM is a logical diskVolume Management(Logical Volume Manager), which is the Linux environment forDisk PartitioningA mechanism for management, LVM is a logical layer built on hard disks and partitions to improve the

--Manual release of Linux memory--/proc/sys/vm/drop_cachesThere are always a lot of friends in the memory management of Linux have doubts, the previous log does not seem to be able to clear everyone's doubts. In the new version of the core, it seems

Original address:UML modeling Tools (Umbrello) that are available under Linux and Windows, Super zhangjiakouzfThe UML modeling tool for OPEN SOURCE-umbrello  If your development team has both developers (such as client software) under the Windows

Chown commandChown is a command used to set file owners and file associations in Unix systems. Super User Permissions are required to execute this command. OnlyOnly the file owner of a Super User and a group can change the file association group.

In our daily work, we often need to enable the FTP (Server) service on a Server. However, such a simple thing is often complicated for the following reasons: 1. the FTP server to be activated does not have a public IP address; that is, it cannot be

OpenSSH is a free open-source implementation of the SSH Secure SHell protocol. It uses secure and encrypted network connection tools instead of telnet, ftp, rlogin, rsh, and rcp tools. OpenSSH supports SSH protocol versions 1.3, 1.5, and 2. Since

After many Linux users have gone through the process of getting familiar with Linux, do they want to customize Linux according to the actual configuration of their machines to achieve the best system performance? Some users may think that they haven'

Recorder is a simple GTK + CD burning tool. Compared with Brasero, there are not so many dependencies. In fact, most of the time, what we need is to be able to burn ISO image files, Data CD/DVD, and Use Recorder. Install Recorder Recorder requires

The common Linux system, so I learned how to study the Linux system. Here I will introduce the Linux system application in detail and hope it will be useful to you. This document describes the concepts of user and group management in Linux systems,

Linux upgrades are quite common, So I studied the Linux upgrades and shared them with you here. I hope they will be useful to you. I am timid, so I am afraid to experience the painful feeling after the Windwos crash, so I am upgrading from Linux 2.4.

BKJIA exclusive report: syslog has been adopted by many log functions and is used in many protection measures. Any program can use syslog to record events. Syslog can record system events, write to a file or device, or send a message to users. It

1. Why cannot I configure the email server as open relay? If the system administrator sets his email server to open relay, some spam senders will use your email server as a relay station for forwarding self-forwarded emails, this will enable the

Use GParted-LiveCD to adjust the Ubuntu partition size I. Preparation 1. download the latest gparted image file: click here. 2. Burn the gparted image file into a CD or press it on a USB flash drive to make it a LiveUSB 3. Although it is a

Amarok is the default KDE audio player, which has now become a cross-platform music playing software that can run on Linux systems of different versions, you can also install the playback software on Windows, Mac, and other systems. Official: Http:

Version: CentOS 6.4Framework: x86_64Update Time: updated every 5 hours1. First back up/etc/yum. repos. d/CentOS-Base.repo[Root @ localhost ~] # Mv/etc/yum. repos. d/CentOS-Base.repo/etc/yum. repos. d/CentOS-Base.repo.bak 2. Download the repo file of

Next, let's take a look at the article about how to configure Amavisd-new to skip the anti-spam check in this region. I hope this article will help you. Amavisd-new is a very powerful anti-spam software, but many times we need to skip anti-spam

In Win2000, a common method for system scheduled operations is to use the Linux at command after the scheduling service is started, you can also use the command line method "net start schedule" in MMC ". The Linux at command is used as follows: The

Ghost is a relatively new blog publishing platform. It started a 25,000-pound crowdfunding project on the crowdfunding platform kickstarter. Although WordPress is still the mainstream blogging tool on the Internet, it is now a general content

More or less I have heard about the rack awareness policy about Hadoop. Whether it is balancer or jobtracker, the data copy placement policy uses rack awareness. What is rack awareness? First, the so-called rack perception is the perception of the

Summary: The company has drawn a flow chart using mrtg. here we need to summarize the existing flow chart. I want to use rrdtool to plot the total traffic diagram.1. Understand the mrtg log format: 1233645600 1543128 37293414 1724764 3925319412336453