Linux Network programming socket (16)

Pass descriptor and SENDMSG/RECVMSG functions through UNIX domain sockets In the front we introduced UNIX domain socket programming, and more importantly UNIX domain sockets can pass file descriptors between processes on the same host. Let's take

10 Basic examples of PS commands under Linux

Under Linux, the PS command is one of the most basic commands for viewing processes running on a system. It provides the current process at the same time, such as user id,cpu usage, memory usage, command name, and so on, it does not display

Explain the usage of MD5SUM commands in Linux systems

This article mainly introduces the use of MD5SUM commands in the Linux system, which is used to deal with the related operation of MD5 verification, and the friends who need it can refer to the following MD5 algorithm is often used to verify the

17 Linux Tar Command Practical example _linux

Tar (Tape ARchive, abbreviation for tape archive, LCTT originally designed to package files onto tape, and now most of us use it to back up a partition or some important directory) is the most widely used command in Unix-like systems, Used to

Linux operating system installation graphics and text configuration tutorial detailed version _linux

With the development of embedded, Linux knowledge is a necessary part of the following, let us do the Linux system installation process demo: First, the installation of Linux In this blog, the Red Flag (red Flag) Asianux Workstation 3 is described

OS: Dirty Cow (Dirty COW) Vulnerability: Linux kernel access to kill right hole (cve-2016-5195) __linux


Note that when compiling a vulnerability exploits a program: gcc-lpthread dirtyc0w.c-o dirtyc0w The actual test under Ubuntu 15.10 needs to be changed to: Gcc-pthread Dirtyc0w.c-o dirtyc0w Or GCC dirtyc0w.c-o dirtyc0w -lpthread To compile correctly.

Novice knows Linux system

A typical Linux distribution contains a Linux kernel, but it also contains many applications and tools. In general, many of the system-level and user-level tools that appear in the Linux distribution come from the GNU project of the Free Software

DB2 Transfer (migrate) from AIX server to Linux

First of all, the general situation is that the current production environment (AIX server) has a database product, now want to migrate to the local test environment, because the local server is only Linux server, so you can not directly use Backup

How to install Linux systems in SPARC (1)


Departmental machine upgrades, the elimination of a number of older machines, including the Ultra series of SPARC models, 64M memory, 2.1G hard disk, Solaris 9 has indicated that it does not support 64m memory, installed Solaris 8 and really lazy to

Linux configuration Disable Enable IPv6

IPV6 is considered an alternative to IPv4, which is used to address the impending exhaustion of existing IPv4 address spaces.But for now, opening IPv6 may cause some problems. So sometimes we need to close IPv6.Here's how the IPv6 shutdown method

Linux system Installation

[Linux] killall, kill, Pkill command detailed

Killall command  The Killall command in a Linux system is used to kill a process with the specified name (kill processes by name). We can use the KILL command to kill the process of the specified process PID, if we want to find the process we need

Linux Bulk Modify folder 755 file 644 Permissions

This article for you to introduce a Linux batch setup folder 755 Web page File 644 Permissions example, I hope this tutorial can help you.Web site relocation, especially from virtual space or Windows to the Linux VPS will appear file permissions

Installation and configuration of DNS (BIND) server for Linux operational operations

"The main content of this blog post" Introduction to bind server (including Introduction to Client Tools Dig) Configuring forward parsing DNS servers Configure Reverse resolution DNS server Configuring a secondary DNS server and

2. Linux host planning and disk partitioning

A. Before installing Linux, you need to plan for use understanding, you have to target districtions features, server software capabilities, future upgrade requirements, hardware scalabilityB. Disk partition planning for the installed host directory

Linux Compression Packaging Introduction, gzip compression tool, bzip2 compression tool, XZ compression tool

Note content:L 6.1 Compression Packaging Introduction L 6.2 gzip compression tool L 6.3 bzip2 compression tool L 6.4 xz compression tool Note Date:2017.8.56.1 Compression Packaging Introduction 650) this.width=650; "src=" Https://

Linux Drive-To-Digest series: Tinyalsa (tinymix/tinycap/tinyplay/tinypcminfo) Audio subsystem "Turn"

This article was reproduced from:, the mainstream audio architecture in Linux is Alsa (Advanced Linux sound Architecture), ALSA provides alsa-driver in the kernel driver layer, alsa-

Linux Screen Command detailed

I. BACKGROUNDSystem administrators often require SSH or telent telnet to a Linux server and often run tasks that take a long time to complete, such as system backups, FTP transfers, and so on. Usually we open a remote terminal window for each of

Linux Server modifies timezone time

The consistency of time is critical, and the analysis of logs and the docking of the program are essential!01. Tzselect Modify Time zoneYou can use the command Tzselect to modify the time zone. Examples of operations: $ tzselect Please

Linux Kernel Learning Summary

Divided into two parts: memory and process.Memory1) Check memory and memory allocation for several commands:A) Nmon: graphical interface, not only to look at the memory, but also to see the CPU, network, kernel, disk information, memory can see Swap,

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