Linux

File Lookup#根据name查找find . -name excel2json.py#根据文件名后缀查找find . -name "*.py" -print#使用正则表达式查找find . -name ‘[A-Z,a-z,1-10]‘.py -print#排除某些文件find . -name "curl.py" -prune -o -name "*.py" -printDirectory Lookupfind . -path"./aa " -prune -o -name "*.txt"

1)/bin: The most frequently used commands are stored.2)/boot: Stores some of the core files used when starting Linux, including some connection files and image files.3)/dev: This directory is a Linux external device, access to the device in Linux

01-.tar formatUnpacking: [*******]$ tar xvf Filename.tarPackage: [*******]$ tar cvf filename.tar DirName (Note: Tar is packaged, not compressed!) ）02-.gz formatDecompression 1:[*******]$ Gunzip filename.gzDecompression 2:[*******]$ gzip-d

1, how to filter out the known current directory in the Oldboy of all the first-level directory (does not contain subdirectories, that is, only a level of directory)Method 1:find./-type d-maxdepth 1Method 2:ls-fMethod 3:ls-l | grep ^dMethod 4:ls-f |

Kernel parameter Directorycd/proc/sys/net/ipv4/Kernel parameter modificationVim/etc/sysctl.confNet.ipv4.tcp_syn_retries = 1Net.ipv4.tcp_synack_retries = 1Net.ipv4.tcp_keepalive_time = 600Net.ipv4.tcp_keepalive_probes = 3NET.IPV4.TCP_KEEPALIVE_INTVL =

Application Scenarios:A process outage, such as the rsync service, occurs frequentlyLab Environment: CentOS7Experimental script:#!/bin/bashstatus=$ (Ps-aux | grep "Rsync--daemon" | grep-v "grep" | wc-l) if [$status-eq 0];thensystemctl Restart RS

Network environment configuration under LinuxYou must be a root user before you configure the network environment:root@localhost ~# su - root@localhost ~# su root 1 2 You can switch to the root user by using the above two

To modify the NIC name:Vi/etc/udev/rules.d/70-persistent-net.rulessubsystem== "NET", action== "Add", drivers== "? *", attr{address}== "00:0c:29:c4:00:d0", attr{type}== "1", kernel== "eth*" , name= "Ens33"Note: The above attr{address}== "00:0c:29:c4:0

Mount File Systemmountmount [-t fstype] filesystem dir ##mount /dev/sdb /dataUninstalling the file systemumountumount /dev/sdbumount /dataShow All block deviceslsblk[email protected]:/var# lsblkNAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINTsda 8:0

experiment purpose: Hack linux CentOS7 passwordThe first step:When you start, start the interface and press "E"Step Two:After entering, find the place where the Linux16 begins, press "End" key to the last, enter Rd.break, press Ctrl+x to enterStep

first, storage-related 1. Flash mount/unload operation mount-t jffs2/dev/mtdblock5/mnt/# #挂载/dev/mtdblock5 to/mnt/directoryumount/mnt/# #卸载上述挂载的分区Mount-t Vfat/dev/msb1/usb # #挂载U盘     2, Flash storage information DisplayDF # #显示磁盘的使用情况4, Memory

Linux jdk environment variable configuration tutorial, linuxjdk environment variable Configuration value jdk environment variable First download a linux jdk 1.upload the jdk-8u144-linux-x64.tar.gz file to the home directory. Tar xf

How to install and uninstall mysql in linuxInstall mysql 1. yum list | grep mysql // view the downloadable mysql database version provided on yum 2. yum install-y mysql-server mysql-devel // yum install mysql 3. service mysqld start // start mysql 4.

Linux single system installation tutorial, Linux system installation tutorial Linux single system installation tutorial Prerequisites: 1) Linux system: CentOS-7-x86_64-DVD-1708.iso 2) one computer, 64-bit 3) Use rufus to create a boot disk.

Linux-based wi-fi connection I checked on the Internet and found several related command tools that can be connected. Here, I will make a summary to facilitate future use. For wired NICs, you can use the ifconfig command to plug and launch the

Why does Linux crond not run? How can this problem be solved ?, Linuxcrond In order to regularly monitor the CPU, memory, and load usage of the Linux system, write a Linux Shell script and send an email notification periodically when it reaches a

CentOS7: google browser installation, centos7google Today, I am free to try Google-chrome installation that has been successfully installed. Add a few Reference Links: One is to change the yum configuration file and directly use yum install. He did

Installation of rz/sz commands in Linux, rzszInstallation of rz/sz commands in Linux 1) Compile and install the root account login, in turn to execute the following command: cd/tmpwget http://www.ohse.de/uwe/releases/lrzsz-0.12.20.tar.gztar zxvf

Notes for copying and starting tomcat on Linux: linuxtomcat When you re-deploy a tomcat on Linux, you can copy one of the previous tomcat files and change several ports. Many people think this way. Then, at startup, you may find that the startup

In CentOS7 Linux, Tomcat is installed. How can I start multiple service instances in the same software package ?, Centos7tomcatIn CentOS 7 Linux, Tomcat is installed. How can I start multiple service instances in the same software package? This