Linux network programming related functions

Networkstruct SOCKADDR{sa_falimy_t sa_family; Protocol familyChar sa_data[14]; Protocol Family Data};struct SOCKADDR_IN{U8 Sin_len; Length of sockaddr_in, 16U8 sin_family; Protocol familyU16 Sin_port; Portstruct IN_ADDR sin_add; IP address,

Linux configuration Yum

Tags: mysql/linuxOverviewThe article mainly introduces the configuration of Yum source, although there are many methods on the Internet, but each more or less a bit of a problem, so put their own configuration process to write out.Directory

Linux command-mke2fs

To write something under a disk, you have to format it first/////////////////////////////////////////////////////////////////////////////////////There are several file formats supported by CentOS[Email protected] ~]#

Install server security Dog under Linux

1. Download the server Security Dog package 32-bit and 64-bit onlinewget http://www.safedog.cn/server_safedog_linux.html/safedog_linux32.tar.gz # #32位wget http://www.safedog.cn/server_safedog_linux.html/safedog_linux64.tar.gz # #64位2. Unzip the file

(i) disk partitioning when installing Linux

Partitioning of disks in Linux installationsInstalls the version of Ctentos6.3, which uses the default file system type of EXT4.The installation of Linux must be divided into two partitions of the root partition/and swap partitions to be installed

Linux View hardware Information

1. View CPU Information: Cat/proc/cpuinfo2. View card information: CAT/PROC/PCI3. View USB Device: Cat/proc/bus/usb/devices4. View PCI information: LSPCI (more intuitive than CAT/PROC/PCI)5. View memory Information: Cat/proc/meminfo6. View keyboard

The History of Linux

♦ 1 Simple Introduction to LinuxLinux is like Windows is a set of OS (operating system), Windows interface Beautiful, ordinary users are easy to use, a little mouse can do a lot of things, and Linux is born for programmers, so proficient in Linux is

Linux Remote graphical interface

1:xmanager PassiveFirst, this machine turns on the Xmanager passive function.SECURECRT Turn on forwarding X11 packet function. Host execution Export display=ip.0:0 Xhost +Perform xclock test whether the clock interface is displayedThis uses the

Linux: Reentrant and non-reentrant functions

Reference:1. Excerpt from multithreading and multi-process (summary) http://blog.csdn.net/hairetz/article/details/4281931To ensure functional thread safety, it is important to consider shared variables between threads.different threads that belong

The construction of Smba server and the use of the client in Linux

Resolves an issue in which some directory access does not have permission after the Windows root login Linuxsamba. It should be the SELinux setup issue.The modification of SELinux is generally to terminate the service and operate as follows:To view

Linux plus mount HDD

Connect the hard drive on the server, start Linux, and log in as root.For example, if I add a new SCSI drive, I need to divide it into three zones:Code:#fdisk/dev/sdbEnter Fdisk mode:Command (M for help):p//View the partition of the new hard

Linux soft connections and hard links

Http://www.cnblogs.com/itech/archive/2009/04/10/1433052.html1.Linux Link ConceptThere are two types of Linux links, one called hard links, and the other called Symbolic links (symbolic link). By default, the LN command produces a hard link."Hard

Linux Network configuration

(from the Internet, non-original, easy to find)A. Linux network configuration frequently used commands1) #ifconfig//View the configured NIC/sbin/ifconfig2) # vi/etc/resolv.conf//Modify the DNS resolv.conf keywords are mainly four,

Whether the monitoring has IO under Linux

Jdu:/host-001e67a8d50b/log/today # inotifywait-hinotifywait 3.14Wait for a particular event on a file or set of files. usage:inotifywait [Options] file1 [File2] [file3] [...] Options:-h|--help Show This help text.@ Exclude the specified file from

After linux is installed, modify the default boot item

After linux is installed, modify the default boot itemAfter the linux system is installed, the default boot item is changed to linux when the system is started, which makes many people who often use the windows system crazy: press the power key,

After linux is installed, modify the default boot item.

After linux is installed, modify the default boot item. After the linux system is installed, the default boot item is changed to linux when the system is started, which makes many people who often use the windows system crazy: press the power key,

Find and xargs

Find and xargsThe common form of the find command is find pathname-options [-print-exec-OK]. Let's take a look at the command parameter: directory path searched by the pathname find command. For example, use "." To represent the current directory,

Rotten mud: haproxy is integrated with nginx and zabbix, and haproxynginx

Rotten mud: haproxy is integrated with nginx and zabbix, and haproxynginx This article is sponsored by ilanniweb and first published onThe world For more articles, follow my ilanniweb. Yesterday we introduced the mobile phone matching rules of

How to use a Quagga BGP (Border Gateway Protocol) router to filter BGP routes

How to use a Quagga BGP (Border Gateway Protocol) router to filter BGP routes In the previous article, we introduced how to use Quagga to convert a CentOS server into a BGP router, and also introduced BGP peer-to-peer and prefix switching settings.

Fedora 23 officially released and how to upgrade from 22nd

Fedora 23 officially released and how to upgrade from 22nd For more information about the improvement of this Fedora 23 release, refer to the previous report on Beta or Alpha on this site. With the introduction of a more robust cross-version

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