Linux

After installing the system today, I found that I forgot to install the GNOME desktop, and I need to gone the related components. Slow installation from the network reminds you of the way to build local sources with local ISO files. Since this is

can use local source or network sourceThis test uses the local Yum source to install the MAILXYum-y Install MAILXInstallation is complete without bootingThe following is to open NetEase mailbox configurationModify the/etc/mail.rc configuration file (

1. Linux commands are practiced extensively.2. Refer to the documentation to build a variety of services under Linux.3. Understand and understand the purpose of Linux services. What's the service going to do! How to use it? Advantages and

Sometimes, running the sudo command under Linux will prompt similar:Xxxis not in the sudoers file. This incident would be reported.Here, XXX is the user name and then causes the sudo command to be unable to execute, at this time, the following

1. Install the Linux real machine using the U-diskMaking a U-disk starter disk using UltraISODownload and install UltraISODouble-click into the idiot installation program, start after installationNext use UltraISO to open the ISO image file, then

The lsblk command is used to display all available block device information in a tree-like format:[[Email protected] ~]# lsblk NAME maj:min RM SIZE RO TYPE MOUNTPOINTSDA8:0 010G0disk├─sda18:1 0500M0Part/boot└─sda28:2 0 9.5G0Part├─rhel-root2

wget is a file download tool that most Linux comes with, using wget can download files on the network to the local server, in the penetration test, wget use frequency or high, usually use wget from their own external network host (not necessarily

Number of code lines using WC statisticsRecently wrote some code, want to count the number of lines of code, in eclipse as if there is no such function, online Search to find the original Linux has a statistical file line of command WC. The WC can

TopLine four: Memory status8306544k total-Total Physical memory (8GB)7775876k used-Total Memory in use (7.7GB)530668k free-Total free memory (530M)79236k buffers-Cache Memory (79M)Copy the code code as follows:Line five: Swap swap partition2031608k

1 service start and stopsuch as service Rsyslog restartSee if the service is running[[Email protected] ~]# service Rsyslog statusRSYSLOGD (PID 30843) is running ...2 view port occupancy based on process name[Email protected] ~]# Netstat-nap | grep

Paste the code First://input.cintInput_register_handler (structInput_handler *handler) { //A lot of code is omitted herelist_for_each_entry (Dev,&input_dev_list, node) input_attach_handler (dev, handler); //A lot of code is omitted here return

Process is the core concept of all operating systems, and is no exception on Linux.Main content: Processes and Threads The life cycle of a process Creation of processes Termination of the process 1. Processes and

Linux timed tasks:[ @ops_operator_01 ~]$ cat/etc/crontabShell=/bin/bashPath=/sbin:/bin:/usr/sbin:/usr/binMailto=roothome=/# for details see Mans 4 Crontabs# Example of Job definition:#.----------------Minute (0-59)# | .-------------Hour (0-23)# |  

Date, sleep, and usleep commands, datesleepusleep1.1 date command Date is used to obtain and set the Operating System Time, And hwclock is used to obtain the hardware time. Date has an option "-d", which can be used to describe when to obtain the

KeepAlived + Nginx for high-availability load, keepalivednginx I. Environment and installation version: Centos6.5, Nginx1.4.7, keepalived1.3.2 Virtual IP Address Real IP Nginx Port Master-slave allocation 10.0.90.215 10.

Common linux commands, View help:Man commandExit help: qDirectory and file operation commandsCommand to switch the directory:Switch the cd app to the app directoryCa... switch to the previous directoryCd/switch to the system root directoryCd ~

The configuration file loading process at bash startup, Directory: 1.1 determine whether it is interactive or logon 1.2 common bash startup Methods 1.3 load the bash environment configuration file When a user logs on to the system, various bash

[Linux notes (000)] -- system startup process, linux000 1. Start the process BIOS --> MBR (Boot Code) --> GRUB --> load the kernel --> execute Init --> runlevel Ii. Detailed Description BIOS: Basic Input Output System, which is used to check the

Install and configure Nginx in Linux1. List of installation files // Gcc and its dependent package cloog-ppl-0.15.7-1.2.el6.x86_64.rpmcpp-4.4.7-16.el6.x86_64.rpmgcc-4.4.7-16.el6.x86_64.rpmmpfr-2.4.1-6.el6.x86_64.rpmppl-0.10.2-11.el6.x86_64.rpm //

Install QIIME 2 in Docker mode and qiime in docker Mode# Download the latest version QIIME 2 Docker pull qiime2/core: 2017.7# Test whether the installation is successful Docker run-t-I-v $(pwd):/mnt/hgfs/2017 qiime2/core: 2017.7 qiime# Start the