Linux

1-Connect to the database:- - -P xxxxx @xxx : ~ $ mysql - h localhost - u jiangbiao - penter password:welcome to the MySQL Monitor. Commands end with ; or \g.your MySQL Connection ID is 2444832 server version: 5.5 . 40 - log Source

19.12 Adding custom monitoring items Ideas:Client provisioning scripts Get data--server-side monitoring data collected with Zabbix_get Authentication Client->zabbix Management Interface Configuration Monitoring Entry->zabbix management interface

1. View the Java version[Email protected] ~]# java-versionJava Version "1.8.0_121"Java (TM) SE Runtime Environment (build 1.8.0_121-b13)Java HotSpot (TM) 64-bit Server VM (build 25.121-b13, Mixed mode)2. Upload the JDK file to the specified

A brother visited FTP, found that only one user login, the second user login FTP error, prompted: "421 User (maximum) already logged in, sorry "Possible reasons: Shared IP VPS only gave a few custom ports can be used, regardless of maxclientsnumber

Tools for working with the text sed? Stream Editor, line editors? SED is a stream editor that processes a single line of content at a time. When processing, stores the currently processed rows in a temporaryIn the buffer, called the pattern space,

1. Update: Yum check-update2. Installation: Yum install Docker3. Press Y to confirm4. Start: Systemctl start Docker5. Boot from: Systemctl enable Docker6. View version: Docker version7. Using Ubuntu image output: Docker run ubuntu Echo ' Hello World

2.2.3 timekeeper Initializationvoid __init timekeeping_init (void){struct Clocksource *clock;unsigned long flags;struct timespec now, boot;Read_persistent_clock (&now);Read_boot_clock (&boot);Raw_spin_lock_irqsave (&xtime_lock, flags);Write_seqcount_

first, the timing task Crond Introduction Crond is a service or software that is used on a Linux system to perform regular commands or to specify program tasks. Crond by default (per minute), checks the system for scheduled tasks that need to

A description of DHCP:DHCP (Dynamic Host Configuration Protocol) is commonly used in large local network environment, the main role is centralized management, assigning IP address, so that the host in the network environment to obtain the dynamic IP

1, the kernel protocol stack can serve multiple network applications, and the user-State protocol stack will not work. DPDK, for example, will unbind the NIC from the kernel and then monopolize it.2, the kernel protocol stack provides a wealth of

1. Drag the apache-tomcat-7.0.85.tar.gz to the/home file via the SSH tool2. Switch to the/home directory3. UnzipDirective TAR-ZVXF apache-tomcat-7.0.85.tar.gz4. Move the extracted folder to/usr/local/tomcat and name TomcatInstruction MV

1. Via instructions Whereis Java to see if the JDK has been configuredIf already installed, RM-RF Delete via instruction2. Drag the jdk-8u11-linux-x64.tar.gz to the/home file directory via the ssh tool3. Instruction Cd/home4. Unzip　Tar

Fortunately, in the company developed gadget related driver, summed down, greatly and small developed four gadget-related drivers, character drivers, G_multi, G_ether, G_zero, here to gadget the development of their own sentiment recorded.To

DATE[Email protected]:~$ DateWednesday, April 11, 2018 19:43:04 CST[Email protected]:~$ Date +%y%m%d20184311[Email protected]:~$ Date +%y/%m/%d18/04/11[Email protected]:~$ Date +%y/%m/%d2018/04/11[Email protected]:~$ Date +%h/%m19/44[Email protected]

1,> or 1> output redirection: The previous output is entered into a later file, and the original content is erased.For example: Echo "Im studying Linux" >a.txt2,>> or 1>>: Append the previous output to the file in the back, not erase the original

1. Application directory/bin The program used to store the boot system/usr/bin standard procedure for storing user's use/usr/local/bin The program used to store the software installation/sbin:/usr/sbin for System Management Program (root)Programs

OneEnvironmental Inspection1. View the Linux system release versionCat/etc/redhat-releaseversion is Linux 5.4 Shutting down the firewall Service iptables Stop Power-on self-booting The kernel of the Linux operating system

First, what is MAVEN?Second, MAVEN deployment1. Environmental information:(1) centos7.3(2) jdk1.8(3) maven3.5.32. Installing the JDK(1) "http://www.oracle.com/technetwork/java/javase/downloads/jdk8-downloads-2133151.html"(2) Deploy

11.1 Lamp Architecture Introduction11.2 MySQL, Mariadb Introduction11.3/11.4/11.5 MySQL InstallationExtendedmysql5.5 source code Compilation installation http://www.aminglinux.com/bbs/thread-1059-1-1.htmlmysql5.7 binary package installation (large

Three week First Class (April 2)2.27linux and Windows inter-pass files3.1 User profile and password configuration files3.2 User Group Management3.3 User ManagementLinux and Windows file transferI usually use FTP or other file management methods.Here'