Linux

Linux systems, ubuntu-16.04.4, installation maven3.5.3First, create a folder　　Note that Linux users, this if not the root user, the command needs to add: sudoCreate a directory Mkdir/usr/local/mavenSwitch directory Cd/usr/local/mavenDetermine your

#/bin/bash######下载安装setuptools#########wget https://pypi.python.org/packages/source/s/setuptools/setuptools-0.6c11.tar.gz --no-check-certificatetar xf setuptools-0.6c11.tar.gz; cd setuptools-0.6c11python setup.py build && python setup.py install#####

[Email protected] ~]# yum-y install vsftpd [[email protected] ~]# remove-yInstall VSFTPD[[Email protected] ~] #vim/etc/vsftpd/vsftpd.confGo, #Chroot_list_enable=yes# (default follows)Chroot_list_file=/etc/vsftpd/chroot_listAt the end of the

Lesson two: The first Linux operating system and common commands"X" in 1.liunx means image display protocolThere are three kinds of X-window: gnome,kde,xface2.windows->. DLL (dynamic link library)Liunx->. So (Shared object)3. Certification:

View Linux boot time/restart time1. who commands to viewWho-b View the last time the system started.Who-r View current system run time[Email protected] ~]# Who-bSystem Boot 2018-06-16 04:232.last reboot[Email protected] ~]# last rebootReboot system

awk 一种编程语言Syntax format: awk "option" ' Pattern{action} ' "File" ... awk [option] ' condition {action} ' [file] ...Note: There must be at least one space between each element in the awk command and in subsequent options and filesOption Description:

Install install files in linux scsi/sata/usb HDD /d EV/SD[A-P] USB Flash disc /dev/sd[a-p] (same as SATA) virti/o interface /dev/vd[a-p] (used in virtual machine)

To write a shell script:1. Create a new file VI start.sh, write the shell content (required content), as shown in the following example:#/bin/bushrmmod. /algo/module/nvpairat/nvpairat.kormmod. /algo/module/nvpair/lnvpair.kormmod. /spl/module/spl/spl.

1. View Host Name#hostname2. Modify Host NameFor CentOS6 Method One:# hostname New_nameMethod Two:# vim/etc/sysconfig/networkHostname=Note: Some people say you also need to modify the/etc/hosts file inside the "Localhost.localdomain--

1. JoinMainly in the processing of "two files, there is" the same data "in the line, just add him together" meaning.Format: Join [-ti12] file1 file2Options and Parameters:-t:join the data is separated by a space character by default, shipowner and

1 RPM1 under the Linux operating system, almost all of the software is installed, uninstalled and managed through RPM. RPM is all called Redhat Package Manager software for managing packages under Linux.2Linux installation, in addition to a few core

Configuring IP and Cloning1.cd/etc/sysconfig/network-scripts ls VI ifcfg-eth0Vi/etc/sysconfig/network-scripts/ifcfg-eth02.ipaddr=ip 192.168.83.10netmask= Subnet Mask 255.255.255.0gateway= Gateway 192168.83.2dns1= Domain name Interpretation Server 114

1,checkpoint,,, this directive is simply,,, Brief Encounter ah, actually found now,.All right, let's introduce this. directive: Checkpoint (checkpoint)We debug the program, often appear very hard to find the mistake, but has run out of that place,

First, the history of Linux1969 American Bell Laboratory Ken.thompson and Dennis Ritchie Development unix,1972 year by Dennis Ritchie use C rewrite;1987 Andrew S. Tanenbaum (AST) developed Minix;The 1984 gun program was created to draw up a

1. User logon log information /var/run/utmp: Record the user information that is currently logged into the system, by default, who and W record the current logged on user information, uptime record the system boot time; /VAR/LOG/WTMP:

The key steps of Solrcloud cluster environment in Linux environment. Prerequisites: The Zookeeper cluster environment has been built. First, download media Official website: http://www.apache.org/dyn/closer.lua/lucene/solr/7.3.1 Historical version

1) Restart------Press E to enter edit mode2) After entering edit mode, find the line beginning with linux16 and add rd.break at the end of the line.3) Press Crtl+x to start4) Mount the root directory in read-write mode# Mount-o Remount,rw/sysroot5)

Linux Yum relies on its own python, to prevent errors, the update here is actually to install a python.View the default Python version python-v 1, install GCC, to compile the Python source yum install GCC2, download the source package,

Directly on the code#include "pthread.h" //线程库，线程不是通过内核实现的#include "stdio.h"#include "stdlib.h"#include "unistd.h"void* thread_func(void *arg){ int *val = (int*)arg; printf("Hi！I‘m a thread!\n"); if(NULL != arg){

1, to ensure that the computer installed on the JDK6 version of Java, and configured a good environment variables;2, official: http://activemq.apache.org/download-archives.html, use 5.8.0 here3. Unzip the downloaded apache-activemq-5.8.0-bin.zip.4,