Linux

Use the background:Operating system: CentOSVirtual machine: VirtualBoxThe RAC system requires a dual network interface, a public network environment, and a private network environment, which requires two networks to be built.Select Preferences in

I. Chown command and the function of the CHGRP commandSometimes you need to change the owner of a file or directory, such as a person leaving or a developer creating an application that needs to belong to a system account in a test or production

http://blog.jobbole.com/107110/1. Tasklet mechanism AnalysisAbove we introduce the soft interrupt mechanism, why should the Linux kernel introduce the tasklet mechanism? The main reason is the soft interrupt of the pending flag bit is 32, the

Enter Https://gitee.com/profile to view your account number and email address, put it down in Notepad and use it below. Open git input command git config–global user.name "yourname" carriage returngit config–global user.email "[Email

FG, BG, Jobs, &, CTRL + Z are all related to system tasks, although these commands are largely not needed now, but they are also usefulOne. & is most often usedThis is used at the end of a command, you can put this command in the background to

One, customized RPM package1. Environment [[email protected] ~]# cat/etc/redhat-release CentOS release 6.9 (Final) [[email protected] ~]# uname-r 2.6 . 32 -696 ~]#/etc/init.d/iptables statusiptables: Firewall is not running.[

Jenkins: A tool for continuous integrationGitHub: Remote Store codeMaven: Create a project with MAVEN, configure POM.XM dependenciesGit: Local repository, can commit code to remote (I use Git to submit code in git Bush here Command)Linux: Operating

The network card bond is a kind of common technology in the production scene, which is bound by multi-net cards as a logical NIC, which realizes the redundancy, bandwidth expansion and load balance of the local network card.The production

To scroll through the installation vscode you need to add the source and then installTake CentOS for example:sudo rpm--import https://packages.microsoft.com/keys/microsoft.ascsudo sh-c ' echo-e "[Code]\nname=visual Studio code\

Description: No explanation, operations should be configured on each server to configure this problem to reduce the occurrence of disastersMethod:1, SAFE-RMSAFE-RM is an open source software used to replace the less secure RM, you can configure the

Mutual query of Linux port number and PIDRecently used Linux to play Tomcat, boot time will always error (8080/8009/8005)So tidy up the Internet messy view PID and port commands, in case of record.1. Query the PID number by port numberFirst

1. PrefaceWe are in the actual work, have encountered the wrong operation, mistakenly deleted, mistakenly modified configuration files and so on events. For a company without a fortress machine, it is very difficult to find out who has done the

Linux Storage Management:?? ? disk controller, bus, interface?? ? type of Disk interface:?? ??? ? IDE: Parallel interface, from ata,133mbps,266mbps;?? ??? ? SCSI: Small Computer system interface?? ??? ??? ? ultrascsi320:320mbps?? ??? ??? ? ultrascsi6

First, download: apache-activemq-5.14.0-bin.tar.gzHttp://activemq.apache.org/activemq-5140-release.htmlSecond, installation Activemq1, gz file copy to/usr/local/src directory 2, decompression start TAR-ZXVF apache-activemq-5.14.0-bin.tar.gz CD

Two virtual machines, all to be detected1. is yum available2. Firewall default zone modified to trusted3. Whether the IP address is configured#######################################################Second, ordinary users (must restore the environment)

13th Linux System Management skills (daily operation and Maintenance management skills)The content of this chapter is the core, the probability of future use is also very large, as long as the basic knowledge necessary to do the primary system

1. Build the configuration that disconf needs to be installed.Installing LINUX:CENTOS7Installing zookeeper:zookeeper-3.4.6Installing redis:redis-3.0.0Installing nginx:nginx-1.8.0Installing mysql:mysql-community-release-el6-5.noarch.rpmInstalling

Once I wanted to see the definition of the time_t type, and initially wanted to find it directly in the/usr/include/time.h, but instead of going to the other one: __time_t (2 underscores),The result goes to: __std_type __time_t_type __time_t;Keep

To use Mininet and OvS, to get a lightweight Linux environment, install Docker on your Mac and experience the convenience of Docker.1. Installation Environment requirementsSystem Requirements:docker for Mac would launch only if all of these

Linux Sync Tool rsyncFirst, rsync CommandThe rsync command is a remote data synchronization tool that enables fast synchronization of files between multiple hosts via Lan/wan. rsync uses the so-called "rsync algorithm" to synchronize files between