Every day a Linux command (--lsof) FD file descriptor

The general lsof will output the following information:COMMAND: Name of the processPID: Process IdentifierPPID: Parent Process Identifier (the-R parameter needs to be specified)USER: Process OwnerPgid: The group to which the process belongsFD: File

Docker Uninstall, update (Rad Hat Linux)

First Query Linux Kernel version command:command: [Email protected] ~]# cat/proc/versionOperation Result:Linux version 3.10.0-327.13.1.el7.x86_64 ([email protected]) (GCC version 4.8.3 20140911 (Red Hat 4.8.3-9) (gcc)) #1 SMP Th U Mar 16:04:38 UTC 20

Embedded Linux system Programming (III)--Standard IO Library

embedded Linux system Programming (III)--standard IO Library      with file io standard IO fopen fclose fread , fwrite io function, these functions are invoked on their own linux file io First,Standard buffering mechanism of

Linux Builds SVN repository

Install the SVN server-side yum install subversion from the image download install SVN server side If you follow the "Svnadmin Create/usr/local/svn/sunny" prompt error: "Command not Found" , hang the phrase "mount/dev/cdrom/media/cdrom/" before the

In Linux, there is a directory dir if you want to access the directory must have what permissions?

Cannot enter when the permission is 000650) this.width=650; "src=" Http://s5.51cto.com/wyfs02/M01/82/EC/wKiom1dlJGawdO_hAAAiQayu2lQ402.png "style=" float: none; "title=" Linux1.png "alt=" Wkiom1dljgawdo_haaaiqayu2lq402.png "/>Cannot enter when the

"51CTO College three years"-Thank you mentor Marco let me become a Linux operations engineer

"51CTO Academy three Anniversary" study, promotion, Thanksgiving--Thanks to 51cto College and mentor Marco let me be a Linux OPS engineer650) this.width=650; "Src=" Http://s1.51cto.com/wyfs02/M00/82/E3/wKioL1djt1XDefjSAABUpGfa1gk578.jpg-wh_500x0-wm_3

Linux Inter-process communication mechanism

Detailed narration of interprocess communication is absolutely impossible here, and the author is very difficult to be confident that the understanding of this part of the content to achieve what the point, so at the beginning of this section to

Summary of source reading tools and debugging methods for Linux kernel under Ubuntu

Http://blog.chinaunix.net/uid-20940095-id-66148.htmlA Linux kernel source reading toolUnder Windows, of course, the source insight is preferred, but Linux does not have the source insight such a good tool, but there are a lot of alternatives, but

On Linux memory management mechanism

Often encounter some new Linux novice will ask how much memory consumption?In Linux often found that the free memory is very small, it seems that all the memory is occupied by the system, the surface of the memory is not enough to use, it is not.

Linux deployment pxe+kickstart Batch install Linux operating system implementation scenarios

First, PXE IntroductionPXE (Pre-Boot execution Environment, pre-boot execution Environment) is the latest technology developed by Intel Corporation, working in the Client/server network mode, enabling workstations to download images from remote

Inode Records under Linux

Device block, inode, file nameTurn from:Http://www.ruanyifeng.com/blog/2011/12/inode.htmlhttp://blog.s135.com/post/295/Http://hi.baidu.com/leejun_2005/blog/item/d9aa13a53b3af6e99152ee7e.htmlFirst, what is the inode?to understand the inode, start

environment variable files and configuration in Linux

Introduction of environment variable fileTransferred from: http://blog.csdn.net/cscmaker/article/details/7261921Environment variables in Linux include system-level and user-level, system-level environment variables are system variables to be read by

Linux Configuration network detailed analysis, Sisu network

Note: Detailed analysis of specific operations see: http://www.wtoutiao.com/a/2362248.html Brief steps:first, in the virtual machine selection bridge mode; Second, the preparation of networks, so that virtual machines and hosts, virtual machines and

Relationship between CentOS and RedHat distributions and Linux kernel versions

Relationship between CentOS and RedHat distributions and Linux kernel versions As RedHat and CentOS have many released versions, it is helpful to know the relationship between CentOS, Redhat, and Linux kernel versions. The corresponding list is as

Connect Windwos to Ubuntu 16.04 Remote Desktop

Connect Windwos to Ubuntu 16.04 Remote Desktop I found a lot of methods on the Internet, but I couldn't do it. I finally found this. Linux Remote Windows is much more convenient, just use the built-in Remote Desktop client. 1. Set Ubuntu 16.04 to

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How to configure the Ubuntu 16.04 GRUB 2 Boot LoaderHow to configure the Ubuntu 16.04 GRUB 2 Boot Loader As you know, GRUB 2 is the default Boot Loader for most Linux operating systems. GRUB is short for GRand uniied Bootloader. It is the first

Kill command in CentOS7

Kill command in CentOS7 The safest way to kill a process is to simply use the kill command without a modifier or a flag. First, use the ps-ef command to determine the PID of the process to be killed, and then enter the following command:#

Ubuntu system font installation, ubuntu system font

Ubuntu system font installation, ubuntu system font I used to use Windows. When I first switched to Ubuntu, I always felt that the font was not so friendly, especially the Chinese font. It was particularly strange to show it on the webpage. Some

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Nginx rwrite and add Nginx modules that do not record specific statuses Requirement: log.bkjia.com/q.gif is successfully accessed, 404 is returned for other paths, and 404 is not logged. Step 1: Configure nginx rewrite1. Configure nginx

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CentOS6 install Jenkins How to install Jenkins in CentOS6. 1. Install the latest JDK version (as the JENKINS runtime environment)# Mount-t cifs // 192.168.8.1/share/mnt-o username = share, password = share, nounix, sec = ntlmssp Among them, nounix

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