Disk Performance Parameters in proc in Linux

We have encountered a special performance problem on the server where disk write operations are constantly busy. Every 30 seconds, the server will encounter a peak of disk write activity, resulting in a very high request processing latency (more

Git tutorial and Basic Principles

Note: All images of this tutorial are downloaded from Pro Git. Unless otherwise stated, all of the following operations are performed on Linux terminals. If you find any errors or other problems in this article, contact me: wengpingbo # gmail.com. 1.

SUSE Linux 11 pxe + dhcp + tftp + ftp Unattended Installation

Due to work needs, the company has a batch of servers and needs to install SUSE 11 in large batches. 2. therefore, The suse is unattended and found to be similar to the RedHat kickstart. in suse linux, autofast is used and the installation file is

Add 1600x900 resolution to Linux Mint 15 in VMware

We installed a Linux mint 15 in Vmware workstation 9 to try the effect. The X resolution is not supported, and now the 14-inch resolution is the highest. Search online and put the following code in the shell file to change the resolution to 1600x900

RedHat 6.2 modify yum source in Linux use CentOS source for free

If you do not have a CD, you need to install the software package using the yum source of the common network. In RedHat linux, yum software is installed by default. However, due to authentication activation, redhat cannot directly install some yum

Install VMtools in VMware Workstation 9.0

VMware Workstation is version 9.0, so the installation of vmtools is also version 9.0. 1. Mount VMtools and decompress the compressed file of VMtools as follows: 2. Switch to the compressed directory 3. Start the installation below. You

Gentoo kernel and system upgrade

1. kernel upgrade1. # emerge -- sync // You can also write scripts to upgrade the entire portage directory.2. # emerge-s sources emerge-avq gentoo-sources[Ebuild NS] sys-kernel/gentoo-sources-3.10.4 [3.9.0] USE = "-build-deblob-symlink"Compile the

Linux memory management-physical memory and virtual memory

We know that reading and writing data directly from the physical memory is much faster than reading and writing data from the hard disk. Therefore, we hope that all data can be read and written in the memory, while the memory is limited, this

Three special Linux permissions: setuid setgid stick bit

The File Permission mechanism is a major feature of Linux systems. For beginners of Linux, this is a basic permission for readable (r), writable (w), and executable (x. A file has ten permissions, which are divided into three groups. The first one

Nautilus-Open-Terminal: The Nautilus plug-in can be opened everywhere.

Is there any switch between GUI and command line in your work? When you always enter the directory you want to enter in the command line, are you frustrated? If yes, you must try the nautilus plug-in-nautilus-open-terminal.Nautilus-Open-Terminal

Compile and install Node. js in Ubuntu

Compile and install Node. js in Ubuntu Download the latest compressed package from the node. js website and decompress it to the/opt directory. Node. js details: click hereNode. js: click here After installing GCC, run./configure Root @ html5viewer1:

Usage configuration of TinyMCE

InitializationWhen initializing TinyMCE, add the following code to the HEAD tag of the page. According to the settings in the following example, all TEXTAREA text fields are converted to the editor during page loading. There are other modules, which

Install and configure JDK 7 in Linux

Since the acquisition of Sun from Oracle for nearly three years, there have been many changes. As early as August, Oracle terminated the "Operating System Distributor License for Java" License, meaning that third parties will not be able to

Terminal first! Create Vim into a new integrated development environment!

Let all the guis go! The mouse is your enemy! Only the keyboard is your only friend! What happens if we combine Vim and Tmux? You will have a perfect programming environment! The following are some secrets I have collected over the years. With these

Dozens of Linux commands rarely known-Part 5

After the first four articles in the "Ten Linux commands rarely known" series are highly appreciated, we will present the last article in this series to readers, although it is the last one, but its importance is no less than the previous

Download and compile Android 13.04 in Ubuntu 4.0

First, refer Download Android 4.0.1 source code in Ubuntu 13.04 Some of the difficulties I encountered are solved here. For more information, see Ubuntu, which was previously installed on an XP hard disk, crashed while downloading the Android 4.0

Change the & amp; private key public key configuration for SSH ports in Linux

Ps: how to change the SSH port in Ubuntu (1) modify the SSH port1.1 Modify/etc/ssh/sshd_config Port 22 // The default ssh Port is 22.Port 25680 // change the Port number to 25680Ps: when changing a service port, it is best not to delete the original

Ubuntu Kylin 14.04 Beta 2 Trial

On July 15, March 27, 2014 (that is, yesterday), Ubuntu Kylin released Ubuntu Kylin to release the 14.04 Beta 2 user test. However, xiaobian has been overwhelmed by the excitement and has experienced 14.04 Beta 2. Let's take a look at it! System

Connect to Ubuntu 12.0.4 In the VM through SSH

Abstract: It mainly solves the problem that ssh remote Ubuntu cannot be used. The remote tool is putty, xshell and javasut12.0.4 can also be used, but this should have no effect. I. Problems Two days ago, I installed ubuntu with VMware. Because I

Test Virtual Memory practices in 3.ora 18 kernel version 3.8.0

Test Virtual Memory practices in 3.ora 18 kernel version 3.8.0 Because the kernel file versions are different, there are inevitably some problems. You just need to clarify the relationship between the header files. Here we will not talk about it.

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