Linux system start-up process
Learn about the Linux system startup process before you explain the root password of the Linux system1Power-on self-Test (POST), initializing part of the hardware2Search for boot devices that can be used for
1. In the database of the sub-table, there may be different directories, the same file name, and we want to calculateWhat is the size of the same data file, the following 1024 of the same file name, the method of calculating its size.2. Ideas1) Find
1 , what is a kernel module? The kernel module is a Linux-provided mechanism that allows dynamic loading into the kernel while the kernel is running, with two features:1) kernel module itself does not compile into kernel image, effectively control
In a Linux system, there are two types of links : One called hard link, and the other is called symbolic link or soft link (symbolic link).
1) by default, theln command creates a hard link without parameters. 2) The hard link file is the same
In the process of testing, you may encounter the need to go to the server to modify some of the configuration files, for example, a field value is 1 associated with the old version, is 0 associated with the new version, you may need to take the
Reference http://wandiankafei.blog.51cto.com/10878910/1716201Scenario 1) Now let me introduce you to using Extundelete to recover files (for rhel6. X-System Ext4)Installation:Download extundelete-0.2.4.tar.bz2 wget
ln commandThis command creates a link between the files. This kind of operation is actually to give a file that already exists in the system to specify another name that can be used to access it. For this new file name, we can specify different
1. To get the package, you can use wget, Ubuntu can use apt-get source to get the codewget is a simple and powerful free software that downloads on the web and supports the HTTP,HTTPS,FTP protocol.# command Format wget [Options] [URL]features :
1. file processing commands1.1 command format: command [-option] [arguments], such as Ls–la/etc(1) Individual command use does not follow this format(2) When there are multiple options, can be written together, such as the above-la(3) simplified
The four busybox of the Linux system clipping notes1. What is cut?The main purpose of this article is to give the author and readers a deeper understanding of how the Linux system works, the general content is to take Linux apart from the components
/** Title: * Programming a basic multi-process test framework, prompting the user to enter the number of processes, and the number of running laps per process. (fork) * For multi-process stress testing. (EXECVE) * requires the parent process to
LocationSyntax: Location [=|~|~*|^~]/uri/{...}Default: NoContext: ServerThis command accepts different structures depending on the URL. You can configure the use of regular strings and regular expressions. If you use a regular expression, you must
from:https://www.rootusers.com/how-to-increase-the-size-of-a-linux-lvm-by-expanding-the-virtual-machine-disk/How to increase the size of a Linux LVM by expanding the virtual machine diskPosted by Jarrod on December, + Leave a comment (181) Go to
Share Kali Linux 2016.2 48th Zhou image FileKali Linux officially released the 48th Zhou image of Kali Linux 2016.2 on November 27. This continuation of the previous rule, is still 11 image files. Default GNOME Desktop 4 images, E17, KDE, LXDE, MATE,
Or is that sudo and su?When you log in with Su, add the following-Because of this, the environment variable will become the switch user'sThis can cause unnecessary trouble if you do not use environment variables.General Sudo is not allowed for
One. Download Nmon.Depending on the type of CPU you choose to download the appropriate version:Http://nmon.sourceforge.net/pmwiki.php?n=Site.Downloadwget http://sourceforge.net/projects/nmon/files/download/nmon_x86_12a.zip/downloadTwo. Initialize
Gzip/gunzip command
Function descriptionSimilar to the Gizp/gunzip command, compress and decompress files. For directories that can only compress all files in the directory, after compression is complete, a compressed package with ". bz2"
From this blog post, we can finally give our driver module First_drv a formal compilation, now he has filled out his account registration information form, from the account of the child only one step!Inside the kernel has its own set of methods to
1. order to enter VIVI FileName: Opens or creates a new file and places the cursor at the beginning of the first line "new file"VI +n FileName: Open the file and place the cursor at the beginning of the nth line "For example: the number of rows for
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