Linux

The Vmstat command is the most common Linux/unix monitoring tool that can show the status of a server at a given time interval, including server CPU utilization, memory usage, virtual memory exchange, IO Read and write situations. This command is I

Issue: Find all files with a. txt extension in the current directory and its subdirectories, and modify its extension to. htmlMethod 1:Rename. txt. html *.txtMethod 2:Find. -type f-name "*.txt"-print0 | xargs-0 rename. txt. html {}Using the-print0

This article basically introduces all: http://www.2cto.com/os/201308/238733.htmlSome simple memo:1. Apt-get can be installed under Ubuntu;2. configuration file/etc/rsync.conf Default does not exist, need to create manually;3. You can start rsync

1.MAC Media access Controlis a solution to resolve the underlying data traffic conflict. Thus, for each host that accesses such a network an ID identifier, this ID identifier is called the MAC address.2.CSMA/CD (Carrier sense Multipath access

Basic principles of Linux1, Linux is a single purpose of the small program composition, the combination of small programs to complete complex tasks.2, Linux system under all documents.3, try to avoid capturing user excuses.4. The configuration file

through the most learning, I deepened the understanding of LVM, here, I write it blog, one is to facilitate their own memory, and the second is to let the Linux beginners learn together. First we introduce the concept of LVM, and expand the detailed

Disk Management in the network is a very important management, the disk storage of important information, it is related to the normal operation of the entire network, we also know that the various data for the enterprise is changing all the time,

The shell I'm using for Ubuntu comes with bash.quotation marks in 1.bash': (single quote) What is the output of a strong reference?"; (double quotes) Weak references are variable substitution·; (Anti-quote) command replacement2.echo-N No Line

My erroneous understanding of Linux high-end memory is derived from this article, the article saidPhysical Address = Logical Address –0xc0000000: This is the address translation relationship for the kernel address space.This sentence suddenly

1. First/etc/sysconfig/network-scripts to increase the IFCFG-BOND0Device=bond0Bootproto=noneOnboot=yesType=ethernetipaddr=192.168.0.10netmask=255.255.255.0network=192.168.0.12, ifcfg-eth0/eth1 configuration other

1, check that the port is occupied by that processExample: NETSTAT-ANP | grep 1160PS: View Port 1169 is occupied by that process.2, finding the processExample: Ps-ef | grep ' Tomcat 'PS: Find process with Tomcat in process name3, terminating the

DF is the acronym for disk filesystem, mainlyYou can also add a lot of useful tags behind it.Df-h is displayed in a format that is suitable for human reading, that is, how many grams (giga bytes) and how many m units of capacity are displayedDf-a is

The first type: Use the command to modify (direct immediate effect, restart failure)#ifconfig eth0 192.168.0.1 netmask 255.255.255.0 upDescriptionEth0 is the first Nic, and the others are eth1,eth*192.168.0.1 is the IP address configured for the

Gradually feel the decline of windows, at least in the Chinese market. Personally think two reasons: one, semi-mandatory changes in user habits, Windows 8 Integration of Windows RT, people are a little overwhelmed, or "can not play with you happily",

Linux open port, linux Port First find the iptables File Generally under/etc/sysconfig Then vi iptables Just like adding A line-a input... to open the port Save and enter Service iptables restart Restart the service How does one enable or

Linux tomcat one-click maintenance script (worthy of favorites), linuxtomcat #! /bin/sh a="/usr/share/tomcat7/webapps/ROOT"b="/usr/share/tomcat7/webapps/ROOT.war"c="ROOT.war"tomcat_stop="/usr/share/tomcat7/bin/shutdown.sh"sh "$tomcat_stop"ps aufx |

How to view disk space hard disk applications in linux, diskspace The df command is used. df is the abbreviation of disk filesystem. Many useful tags can be added later. Df-h is displayed in a format suitable for human reading, that is, the unit

Install JDK in linux and JDK in linux Generally, almost all servers of the company are built on Linux, so this is inevitable. (If you use Java language) You need to deploy a JDK on Linux, that is, the Java Virtual Machine environment. Next, let me

Start IDLE in Python3.4 under Ubuntu14.04 and ubuntu14.04 1. python has been installed in Ubuntu14.04 LTS. You can enter ls/usr/bin | grep python in Terminal (CTRL + ALT + T. To run python2.7, enter python on the terminal. To run python3.4, enter

Linux compression tool competition on CentOS 6.5 x86-64 (1) Bkjia: this year, I want to forward an interesting article by Gionatan Danti, which was first published on my blog http://www.ilsistemista.net. File compression is an old trick: One of the