Linux

Linux centos6.x Common Query command collation----1. System basic Information----View System versioncat /etc/redhat-release[[email protected] ~]# cat /etc/redhat-releaseCentOS release 6.9 (Final)View Processor Architecturearch 或 uname

1. Find File LookupFind txt and PDF files:Find. (-name "*.txt"-o-name "*.pdf")-printRegular way to find. txt and PDF:Find. -regex ". * (. txt|. PDF) $ "-iregex: Ignoring case-sensitive regularNegative arguments to find all non-txt text:Find. ! -name

Welcome to the big Data and AI technical articles released by the public number: Qing Research Academy, where you can learn the night white (author's pen name) carefully organized notes, let us make a little progress every day, so that excellent

Python is installedJDK is installedError executing sh./pycharm.sh in bin in Pycharm folder: Unsupported Major.minor version 52.0This error means that the JDK version is too lowBut I have installed a newer version of the JDK, then I guess Linux comes

Just copy it from somewhere else. All the explanations are as follows:**options (Optional): * * -D,--UDP uses datagram (UDP) instead of using the default stream connection (TCP)-I ,--id record-by- line per logger process ID- F,

43.1 Iptables-save: Save Iptables Rule 43.2 Iptables-restore: Restoring iptables Rules 43.3 Iptables:ipv4 packet filtering and NAT management tools 43.4 Arptables-save: Save ARP Table 43.5 arptables-restore: Restore ARP table 43.6

Emergency, the application upload data is automatically deleted by the program, sadly there is no data backup, the data is placed in the system's/data/webapps/xxxx/upload directory below, can put us nasty, and did not do the data recovery test, and

Servers to provide services externally, when a server under too much pressure, then the service may be caused by the service is not available, so we should let a server under the pressure of reasonable scope, if a server can not meet the

Little Alan may be going to Shanghai on business for a few days, what do you do for business? Of course the deployment project is on the line! So you have to learn to install the deployment project running environment on Linux Services! Let's talk

Date: 2018.3.1Li QiangReference: man,info,magedu handouts, Universal InternetLab environment: VMware? Workstation Pro, Centos 6.9,centos 7.4,securecrt Version 8.1.4Statement: The following English is purely personal translation, English Class B,

命令行提示符[[email protected] ~]## 超级用户$ 普通用户当前所在目录 ~用户的家目录管理员超级用户 /root普通用户 　　 /home/用户名/所在目录linux 命令格式命令 空格 [选项] 空格 [参数]选项，使用或调整命令的功能参数：参数四命令操作的对象，如果可以省略，说明有默认参数显示注意:在linux下是严格区分大小写，所有内容！命令全部小写Linux view and create directory files and other commands 　　

The first kind of yum Mode installationMemcached supports many platforms: Linux, FreeBSD, Solaris, Mac OS, or Windows.The first step Linux system installation memcached, first install the Libevent libraryUbuntu/debiansudo apt-get install libevent

This article is about Linux under the simple and rapid construction of the FTP server environment.1, SSH login server (I use Xshell)2. Yum Installation vsftpdExecute command: Yum install vsftpd3, modify the configuration, increase boot startModify

Analyze in detail why the statistical results of du and df are different. dudf statistics are different. Today, I am asked why the statistical results of du and df are different. I gave him some explanation, and then I thought about writing an

When a Linux user enters an incorrect password for Logon for N consecutive times, it is automatically locked for X minutes. 1. A user is locked for X minutes (pam_tally2) after logging on to the character terminal for N consecutive errors) Run

Fixed the Privilege Escalation Vulnerability in Ubuntu 16.04, explained how to raise the privilege in the memory read/write kernel, ubuntu16.04Cause: vulnerability fix overview of a privilege escalation vulnerability in Ubuntu 16.04: This EXP lies

ArchLinux installation and configuration graphic interface tutorial, archlinux Interface 1. Install yaourt Vim/etc/pacman. conf # Add [archlinuxcn] SigLevel = Optional TrustAll Server = https://mirrors.ustc.edu.cn/archlinuxcn/$arch

Introduction to soft links, hard links, and linux links in linux In linux, the file stored in the disk partition is assigned a number no matter what type it is, called the index node number inode. Create a hard link directly using ln, and create a

Linux file attributes and permissions, Linux file attributes and permissions 1. in Linux, any file has three identities: User, Group, and Others. 2. One of the most useful functions of a user group is that when you develop resources in a team, each

Installation Guide for Ambari and HDP The Big Data Platform involves many software products. If you just download the software package from Hadoop and manually configure the file, it is not that intuitive and easy. Ambari provides an option to