Linux

1. Mount the diskFdisk-L view the number and partition of the hard drive on the Machine vi/etc/fstab write the disk you want to mount into the configuration file or Mount-o remount,usrquota,grpquota/dev/ Sdb5Mount-a (read config file re-mount)Df-

Just write a ballpark figure.0. DirtycowCommon scenarios need to differentiate between CentOS and Ubuntu distributions using different Dirtycow exploit.1. Kernel VulnerabilitiesDifferent cores correspond to different exploit2. Pwn suid FileSuid

用途：抓取传输数据包小技巧：在执行wget命令前，我们应该先删除ARP高速缓存中路由器对应的项，这样就可以观察到TCP/IP通信过程中ARP协议如何起作用。ARP：地址解码使用示例：arp -d 192.168.1.1tcpdump -s 2000 -i eth0 -ntX ‘ (src 192.168.1.108) or (dst 192.168.1.108) or (arp)‘wget --header="Connection:close" http://www.baidu.com/ --2

When we log in to Linux with the root user, some information is displayed.[email protected] means that the current login user is root localhost is the hostname of this Linux~ is the current user directory what does the following #

First, the BIOS power-on self-testWhen you press the power switch to boot, the computer will first go to the BIOS (basic input and output system), the BIOS is generally integrated on the motherboard.The work of the BIOS1. Detect the connection

1, compiling, using-shared and-fpic to generate dynamic link librariesLibrary Source: test.c#include #include #include static void printline(int len){ int i; for(i = 0;iHeader file: test.h#ifndef __TEST_H__#define __TEST_H__void print(char * s)

1. View CPU Model Cat/proc/cpuinfo | grep name | Cut-f2-d: | Uniq-c 2, view memory information# Cat/proc/meminfo3. View SystemCat/etc/redhat-release 4, view memory size free 5, view the number of physical CPUs cat/proc/cpuinfo| grep "Physical ID" |

Actual problem: OPS colleague sent two sets of txt hostname, need one-time deployment.With cat instructions: Cat Host1.txt host2.txt > Host.txt Function:concatenate Files | Standard input + = standard outputSkills:ctrl + S Stop scrolling

1 shellCLI (Command line interface)Gnime TerminalCtrl+alt+t Quick Open TerminalF11 switching between full screen and normal modeThe default shell is the GUN bash shell2 Helpman-k keyword # show command nameMan pwd display pwd help informationOrHelp

User Management Commands, using the root permissionAddUser: Add a new user namepasswd: Change PasswordDeluser: Deleting usersGroup management commands, with root accessAddGroup: Adding groupsUsermod: Modify user account -l: Rename the user,

In Linux learning, we need to understand the structure of the Linux system, in order to better learn Linux, the following is I based on the online data compiled Linux system structure simple, for your reference, if there is insufficient, please

The recent section has suddenly received some disk alarms, Take a look at the results the alarm content is that there is a directory under the root user's home directory that has no access. GVFS, during the use of CP copy RM delete are prompt no

FTP InstallationYum Install vsftpdVi/etc/vsftpd/vsftpd.conf (can be backed up, but not placed in this directory, or start VSFTPDIt will also load its backup file, reporting a startup error, because two profiles cannot be loaded at the same time)Add

One, iOS download pathhttps://www.centos.orgSelect an. iso downloadSecond, install a VMware workstation or hyper-V virtual machine 2.1, hyper-v2.2.1, open Hyper-V in the Enable or disable Windows featureStep one: Select Programs and FeaturesStep two:

Linux utility commands-file search commands and linux utility commandsFind The most common scenario is that there are some classes in the framework directory that only know the class name, but do not know the specific path. It is impossible to

CentOS6 describes how to create and configure local yum sources and centos6yum sources1. Create a directory and mount the CD Mkdir/media/CentOSmount-t iso9660/dev/cdrom/media/CentOS/ 2. Configure local source Run the following code: Cat>/etc/yum.

After Windows 10 is updated, the grub rescue problem occurs when the boot fails on both systems (Linux and Windows). How can this problem be solved? Updating Windows 10 may damage grub, so that grub boot files cannot be found, so we need to find the

Apache Tomcat integration and apachetomcat Integration Infi-chu: Http://www.cnblogs.com/Infi-chu/ I. What is Apache + Tomcat integration: 1. The default access port of Apache is 80, and the default access port of Tomcat is 8080. 2. Meaning: The

File SEARCH Command: locate, find, locatefind File SearchSearch for qualified files on the file systemFile Search command:Locate: non-real-time search (database search)Find: Real-time search Locate:Query System pre-built file index

Ngnix configuration image server-configuration path (centos7), ngnixcentos7 Install nginx Preparation   Compiling environment: yum install gcc-c ++ Regular Expression Library: yum install-y pcre-devel Decompressed/compressed Library: yum install-