Linux

(1) Listing files: LS-a displays all files and directories, including hidden files-L Display detailed information (long format display)-D Displays the directory itself-H humanized Display-I view I node(2) Create directory: mkdir-P Recursive

Very old code, hehe recently in review//Server#include #include#includestring.h>#include#include#include#includeinch.h>#includetypedefstructsockaddr SA;intMainintargcChar**argv) { intLISTENFD;//It is also file-based and Linux is file intCONFD;

Http://www.linuxidc.com/Linux/2014-10/108114.htmCHAGRP change the owning group; chown change owner; chmod change permissions;1. Change the group you belong to, CHGRPOptions and Parameters:-R: Continuous change of recursion (recursive), that is, all

Explain the output of the free command on Linux.Here is the result of the free run, with a total of 4 rows. For convenience, I added a column number. This can be seen as a two-dimensional array fo (free output). For example: FO[2][1] = 24677

1 man command: View Help informationMan commandNAME: A simple description of the commandSynopsis: Instructions for using formats for commandsDESCRIPTION: Detailed instruction information for the commandOpetions: Description of the command options2

For the server, network equipment Stability is also more important, especially the network card. In a production-type system, the reliability of the NIC is even more important.Multiple NICs are bound to an IP address, and when a network card is

Zhanhailiang Date: 2014-10-11BackgroundThere are a number of handy graphical tools under window to enable global search, but linuxserver is a higher threshold because of the use of command-line operations.The first of these methods First, For the

Linux Multi-NIC binding aggregation link-bond technology first, the theoretical partBy bundling multiple Linux network ports into one, you can improve the performance of your network, such as backing up a server that requires you to back up several

1. Configure the cross-compilation environment for Linux2. Using source insight to write programs under Windows, there are a total of M h files, n c files, K main functions3. Put the source code in Linux4, create a new makefile in the source code

1. Free commandFree-mTotal used free shared buffers Cachedmem:1526 182 1344 0 16 99-/+ buffers/cache:65 1460swap:3071 0 3071It clearly shows how much memory is in total, how much has been used, and how much is left.2. Top commandThere are two lines

Linux is open source, this is the main reason, want to learn Windows,unix sorry, no source code. Because of this, Linux can be as big as a snowball and grow to the size of the present. Today will bring you about Linux mainstream framework operation

/root, also the root of the entire file system hierarchy/bin the necessary command binaries that are available in single-user mode, available to all users, such as cat, LS, CP, etc./boot loader files, such as kernels, INITRD, etc./dev Store the

Linux drive interrupt mode get key value--------------------------------------------------------------------------------------------------------------- ---------------------------------------Recall the interrupt processing under the single-chip

Many times we will find that the real production environment is not a lot of external network, only intranet environment, this time we need to install RubyGems, we can not provide the Yum command to install online, this time we need to download the

System administration CommandsStat Displays details of the specified file, more detailed than LSWho shows online loginWHOAMI Show current Operation userHostname Display host nameUname Display System InformationTop dynamic display currently consumes

In the first three years of college, I didn't know it would take a lot of time to choose a field to specialize in. It feels as if everything is just a little bit, and it doesn't say anything. At the university's three grade birthday, I decided to

1, when the call ' ifconfig eth0 down ' command shuts down the network device eth0, it will have the following effects: All IP addresses configured on the NIC will be invalidated and removed (tested on Ubuntu 14.04, IP will not be removed, and

In view of the construction, the reference online a lot of information, online information in useful, but also pit a lot of peopleThe purpose of this article is to let the successor in the build SVN server no longer make a mistake, no longer by the

Apache server URL access Chinese encoding settings, Add the following information at the end of the/usr/local/apache/conf/httpd. conf file: 1 # add chinese url code 2 LoadModule encoding_module/usr/local/apache/modules/mod_encoding.so 3 4 Header

Linux CPU interruption [reprinted], linuxcpu reprinted Interruption is actually a signal sent by hardware or software called IRQ (interrupt request. The interrupt allows devices, such as keyboards, serial ports, and parallel ports, to indicate that