Linux

In the previous section, one of the ways of interprocess communication is the signal generation and capture function in signal communication, this section introduces the signal () function and the SET function group of signal processing functions,

Error number enotsock__ Socket operation on Non-socket Cause of the error: because a pair of parentheses is missing when the socket is created, the error code is as follows: if (Sockfd=socket (af_inet, sock_stream, 0) {cout return 0;}The correct

SFTP SFTP is a secure File Transfer protocol abbreviation for security FTP. You can provide a secure encryption method for transferring files. SFTP and FTP have almost the same syntax and functionality. As part of SSH, SFTP is a secure way to

I'm sure you've heard of it. Windows Cleanup Tools-although different levels of programs, their role and purpose are common. And in the Linux file system domain, this kind of cleaning tool's popularity is not so high. Whether you believe it or not,

First,/dev/shm theory The kernel configuration in the default Linux distribution will open Tmpfs and map to the SHM directory under/dev/. You can view the results through the DF command. /dev/shm/is the next most useful directory for Linux because

Message Queuing In the SYSTEMV version of UNIX, At&t introduced three new forms of IPC functionality (Message Queuing, semaphores, and shared memory). But the BSD version of UNIX uses a nested interface as the main form of IPC. The Linux system

Linux prevents anyone from using the SU command as the root method: 1.vi/etc/pam.d/su Auth sufficient/lib/security/pam_rootok.so Debug Auth required/lib/security/pam_wheel.so Group=wheel 2. The wheel group is defined in the/etc/pam. D/SU

The code under Windows is as follows Server.cpp #include Client.cpp #include The following code for Linux is as follows:Makefile CLI=CLI ser=ser dir=. cc=g++ ser_obj=$ (dir)/ser.o cli_obj=$ (dir)/cli.o ser_src=$ (dir)/ser.cpp

5.1 Common network commands With network-related tools available in the Red Hat Linux 7.1 system, it is essential that these tools be well mastered: Category one: Setting tools 1.netconf: Netconf is part of the linuxconf provided by Red Hat Linux

The Linux operating system defaults to the historical command of user actions, and if you are a user of the Linux command line, sometimes you may not want certain commands to be recorded in your command line history. There may be many reasons, for

Problems caused by the host $ export dvsdk= "${home}/ti-dvsdk_dm368-evm_xx_xx_xx_xx" 1, ${home}: First, home is a variable, it represents your home directory, the variable must precede the $ symbol, otherwise it will be an error USR/LOCAL/DVSDK

The Informix relational database management system is a cross-platform, full-featured RDBMS, transformed into Ordbms, has a variety of features, and can be easily connected to a variety of GUI front-end tools. At present, Informix database products

Font configuration Combat Next, take Fedora 20 as an example and configure it to display the correct effect yourself. Currently, the tool for configuring fonts on Linux systems is fontconfig. Why the Fontconfig? Thanks to this era, once chaotic

This is an exciting Linux distribution, one of the most popular Linux desktops at the moment. Slim figure of the 1CD body, numerous software support, can meet the day-to-day office and entertainment requirements (except for games under Windows).

Tape devices should be used only for timed file archives or for transferring data from one server to another. The general tape device is connected to a Unix machine and manipulated with Mt or MTX. It is strongly recommended that you back up all of

  Configuring Ipvs high-availability clusters based on the crm+hb_gui+ldirectored interface This article is from the "Ccschan" blog, make sure to keep this source http://ccschan.blog.51cto.com/11854461/1925395Configuration of the Linux

Linux has always been known for its strong network capabilities, while equipment ' > network equipment is also one of the three major devices that are essential for Linux-driven learning, and because of historical reasons, Linux does not enforce its

Use the Cronolog tool to slice Tomcat's catalina.out log filesNormal user download, install Cronolog[[email protected] ~]$ tar-xf cronolog-1.6.2.tar.gz[[email protected] ~]$ CD Cronolog-1.6.2/[[email protected] cronolog-

Linux The difference between a soft link and a hard linklinux linux The above is divided into two parts: metadata and data. User data, which is the file data block ( data block linux inode # ( inode is part of the file's metadata, but it does not

CentOS6.4 install Redis and centos6.4 install redis Follow these steps1. Check dependencies and install dependencies. [root@ecs-3c46 ~]# whereis gccgcc: /usr/bin/gcc /usr/lib/gcc /usr/libexec/gcc /usr/share/man/man1/gcc.1.gz[root@ecs-3c46 ~]#