Linux

Linux method to obtain the Internet ip Address: curl-s "http://checkip.dyndns.org/" | cut-f 6-d "" | cut-f 1-d "

Linux Device Driver arrangement (1) linux device drivers are part of the kernel. In addition to directly compiling the file into the kernel, it can also be dynamically loaded as a module. After kernel2.6, the module exists as a. ko file. Through the

Comprehensive example of basic file processing 1. Extract the most frequently-occurring 100 logs (access time, IP address, user ID) # cat record.txt 202.114.112.5 3212345310: 21 213.89.113.21 3423423410: 22 202.114.112.5 3212345310: 23 113.89.113.21

HA installation and configuration environment: www.2cto.com server1: eth0: 192.168.100.8 eth1 10.10.10.2 server2: eth0: 192.168.100.7 eth1 10.10.10.1 cluster ip192.168.100.9 specific configuration steps are as follows: 1. partition the shared disk.

Ext3grep practice record mkdir/disk/mydata www.2cto.com cd/mydata if =/dev/zero of =/mydata/disk1 count = 102400 mkfs. ext3/mydata/disk1 mount-o loop/mydata/disk1/disk cd/disk/cp/boot/initrd-2.6.31.5-0.1-desktop/disk/cp/etc/profile/disk/echo

Why is the linux system slowing down? "The system is getting slow, let me restart it." This is often used and the effective method is really rude. As the most intimate partner of programmers, you can treat it more gentle. Www.2cto.com in the linux

Tcpdump is used to filter a port. Generally, Tcpdump is used when we use tcpdump: Java code tcpdump-I ethx www.2cto.com. The command below is to view the access volume of port 80 and sort it, take the first 20 pieces of Java code tcpdump-I eth0-tnn

Use bind to configure DNS Experiment 1. experiment environment: Red Hat Enterprise Linux Server release 5.6 Host name www.2cto.com IP system version Host role%0119%2.111oel5.6server%02192.168.2.112oel5.6client%03192.168.2.113oel5.6client .....

Centos 6.2 _ 64 DNS Bind-9.8.2Background: Just For Test environment: Virtual Machine: VirtualBoxPC 1 system: centos6.2 role dhcp hostname: dhcp.test.com IP: 192.168.1.2PC 2 system: centos6.2 role dns hostname: dns.test.com IP: 192.168.1.31 install

The porting of luvcview on the arm board has been trying to display the content in the camera on its own development board. Today, it's a little time. I tried to find it online, we found that many camera Applications Support V4L. After a brief look,

In Linux, all the content is saved as files, which means the number of all files is amazing, how can we find what we need in an astronomical file? This requires the file search command. This time we will discuss the find command. The Find feature

Hands-on instructions On Debian-minimal installationIn order to reflect the high customization of Debian, A vmwarevm with 64 MB memory is created. The Xorg of Debian 6 cannot be started under VMWare, so version 5 is used as an example here.Debian

Ubuntu12.04 install vim7.4 [html] wget ftp://ftp.vim.org/pub/vim/unix/vim-7.4.tar.bz2 2. open the terminal, extract through the command line, enter [html] 1 tar jxf vim-7.3.tar.bz2 at this time will generate the vim74 folder in the current directory

Linux advanced command lsof using lsof (list open files) is a tool used to list open files in the current system. In linux, everything exists in the form of a file. Through a file, you can not only access common data, but also access network

When you install an application in Linux, the default installation path is/usr. Generally, there is no choice, unless you don't want to use this program ...... The installation method is generally: 1. rpm or deb software package. You can install it

Ubuntu boot into initramfs error solution [problem generated] Open the machine, the system starts, suddenly shield a lot of text that should not be seen, and finally stay in initramfs here, if exit can be run to enter the system, the rootdelay time

Use parted to adjust the partition size Select the hard disk to be parted When you execute parted command without any argument, by default it selects the first hard disk drive that is available on your system. in the following example, it picked/dev/

Create local metadata resource of yum Today, I need install an oracle software for a machine whose OS is Linux. as we all know, installing oracle database software need installing additional packages. in order to install these package easily, I

Basic knowledge of Linux File System Structure Linux File System single tree structure the file system uses '/' as the root case sensitive path and '/' to separate the current working directory. Each program has a current working directory through

Use sendEmail in Linux to send emails with attachmentsSendEmail is a lightweight, command line SMTP mail client. If you need to use the command line to send emails, sendEmail is a perfect choice: simple to use and powerful. This is designed for use