Linux

VMware Virtual machine client is Linux in case of client ping VMware Gateway, ping impassability case, Host the author here is the use of Win7, the host firewall can be closed. Added: (The network adapter will come out two more------> VMnet1 and

Installation Configuration minicom-------------------------------------------------- # lsmod | grep usbserial(If you use the serial port directly, but do not use USB to switch serial device, this step can be skipped) If there is usbserial, the

Network-based Red Hat unattended installation Network-based Red Hat unattended installation

du [-ABCDHHKLMSSX] [-l ][-x ][--block-size][--exclude=][--help][--version][directory or file]Common parameters:- A or-all displays disk usage for each specified file, or displays the respective disk usage for each file in the directory. - B or-bytes

The purpose of 1.Linux performance analysis1) Identify system performance bottlenecks (including hardware bottlenecks and software bottlenecks);2) provide a performance-optimized solution (upgrade the hardware?) Improve system system structure? ）；3)

First, before the experiment needs to know1, Extundelete is a tool to restore the EXT3,EXT4 partition file, he will use the log information in the partition to try to recover the deleted files, but not every deleted file can be ensured to be

There are several concepts that need to be understood before data recovery cases beginBlock group: The entire space of the Ext4 file system is divided into block groups, and the structure within each block group is roughly the same.Block Group

Basic ConceptsThere are three types of hard disk partitions, primary partition, extended disk partition, logical partition. A hard disk primary partition has at least 1, a maximum of 4, and an extended partition can be no more than 1. and the

#查看centos系统版本:[Email protected] ~]# cat/etc/redhat-releaseCentOS Release 6.9 (Final)#查看linux内核版本:[Email protected] ~]# uname-r2.6.32-696.el6.x86_64#查看系统是32位和64位:[Email protected] ~]# uname-mx86_64#创建用户:[Email protected] ~]# Useradd

A directory related to the path 1 directory:Exchange Directory Command CD. Represents this Layer directory.. Represents a previous level directory Represents a previous working directory~ Represents the home directory where [current user

Some time ago there is a maintenance of the author of the small computer room air conditioning failure, high temperature caused the system card slow, no one found. So I want to use Zabbix to monitor the CPU temperature and set the alarm threshold

Source: https://github.com/ethereum-mining/ethminer/releasesBinary execution File https://github.com/ethereum-mining/ethminer/releases[Email protected]:/home/user/songrui/test/ethminer/bin#./ethminer--helpusage Ethminer [options]options:work farming

All know the characteristics of the Linux system, all files, all in the run Zabbix such services, one of the important tuning is to adjust the maximum file handle of the Linux system, to solve the "too many open files" problem, increase the number

Vim commands and vim commands 1. About Vim Vim is my favorite editor and the second most powerful editor in Linux. Although emacs is recognized as the world's No. 1, I think it is more efficient to use emacs without using vi for editing. If you are

Ubuntu speed limit and Linux traffic monitoring tool iftop usage introduction, traffic monitoring iftop Install wondershaper first: # Apt-get install wondershaper Maximum and uplink bandwidth (unit: Kb ): # Wondershaper eth0 2000 240 (download

Lamp: Configure multiple virtual sites and lamp multiple sites Add multiple domain name sites under the same ip address!   1. View ip addresses Command: ifconfig 2. Add a domain name Command: vi/etc/hosts Enter a domain name, for example 192.168.160.

GIT _ server and local environment build, git server build Install the git package in linux The git version automatically installed on many yum sources is 1.7, Which is manually compiled and re-installed here.1: Install the dependency packageYum

Inode, hard link, and soft link methods for Linux File storage, and inode for file storageFile Storage Files are stored on hard disks,Slice(Sector) is the smallest physical storage unit in the disk. Generally, the size of each slice is 512 bytes,

Linux explains how to copy files from one machine to another. 1. Function Description Scp Is security copy, which is used to copy files or directories from one Linux system to another. Scp uses the SSH protocol to ensure data transmission security.

Install tomcat on Ubuntu and Ubuntu tomcat 1. Download the apache-tomcat-** .tar.gz file from the official website. 2. Create a folder (tomcat) in the local file and decompress the package in the folder. You do not need to use