CentOS

If the existing data:{"@timestamp": "2018-10-13t21:55:58+08:00", "REMOTE_ADDR": "100.120.34.3", "Referer": "-", "Request": "get/api/gourd/ Activeupload?idfa=58237fa9-a1b3-4202-b5f3-9536983119e5&appid=1410137206&source=rehulu HTTP/1.1 "," status ": $,

1. Verify if there is an installationJava-version2. If you need to upgrade a new version of the JDK or want to reinstall the JDK, you need to uninstall the original JDK firstYum-y Remove java*3. View the list of Java resources in Yum sourceCommand:

1, when entering the system installation interface, press the TAB key to open the System boot command line 2, in the System boot command line, we can see Vmlinuz initrd=initrd.img ... 3. List the Mount device information of the server; Vmlinuz

[email protected] ~]# cd/etc/sysconfig/network-scripts[[email protected] ~] #ls//ifcfg-ens** for the network configuration file we need to modifyusing the VIM command (vi command can also), to configure the file, we need to modify bootproto= "static"

Start: Execute sh tomcat/bin/startup. ShView: Run PS-Ef | grep tomcat to output the following WWW 5144... Wait. Bootstrap start indicates that tomcat has been started normally, and the process ID pid = 5144 is set to 5144.Kill: Kill-9 5144-----------

Xshell has been installed and files can be transferred.1. Download the corresponding version of JDK: jdk-8u191-linux-x64.tar.gz2. upload to the centos directory3. decompress the jdk gz package and run the following command:Tar-zxvf jdk-8u191-linux-x6

Net table fireproof ROC iptable no information USB computer name 1. First, check the processes running by the system. If you need to check all processes currently running by the system, Run the following command: # ps auxw The parameter A shows

Run the following command to check which mode is used. SystemctlGet-Default Startup graphic interface SystemctlSet-Default graphical.tar get (graphical interface mode) Reboot (restart the system) If you want to switch back to

Perform the following steps to synchronize time in the centos system: The newly installed centos system server may be set incorrectly. You need to adjust the time zone and time. The following is how the centos system uses NTP to synchronize data

Tag: 1.2 command dir NID make Xid Type Space ext[[Email protected] # fdisk-l view disk partition information Disk/dev/SDA: 107.4 GB, 107374182400 bytes255 heads, 63 sectors/track, 13054 CylindersUnits = cylinders of 16065*512 = 8225280 bytesSector

Use dhclient to automatically obtain IP addresses [[email protected] ~]# dhclient -r[[email protected] ~]# dhclientvi /etc/ [[email protected] ~]# ip add1: lo: mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000 link/loopback 00:00:00:

Back up the original source Sudo mV/etc/yum. Repos. d/CentOS-Base.repo/etc/yum. Repos. d/CentOS-Base.repo.bkDownload Alibaba Source $ CD/etc/yum. Repos. d $ sudo wget-NC http://mirrors.aliyun.com/repo/Centos-7.repoChange Alibaba Yum source to

A load balancing cluster is short for a load balance cluster. Common open-source load balancing software include nginx, LVS, haproxy, commercial Hardware load balancing equipment F5, and netscale. Here we will learn LVS in Linux and record it in

Start Installation 1. Install and deploy the server CD/usr/local/ Open the path to be installed, which can be customized # wget https://github.com/SoftEther×××/SoftEther×××_Stable/releases/download/v4.28-9669-beta/softether-***server-v4.28-9669-

1. Set auto-start In centos, there are two main ways to set the startup of a self-installed program.1. Add the Startup Program command to the/etc/rc. d/rc. Local file. For example, set httpd to be started upon startup. #!/bin/sh## This script will

Entos Installation I installed it with Vmware 12. The following is the installation. Open the VM homepage.   Select create virtual machine     Typical installation: vmwear applies mainstream configurations to the virtual machine operating system,

1. virtualbox The operating systems on our computer are generally windows. If we want to learn about Linux, we can install a virtual machine on our computer and then install linux on it. Virtual machines can use virtualbox or VMware. We use

1. Disable SELinux [[Email protected]/] # sed-I "s # SELinux = enforcing # SELinux = disabled # G"/etc/SELinux/config # restart to take effect [[email protected]/] # setenforce 0 # temporarily disable 2. zabbix requires MySQL or a later version.

A. installer file Sudo Yum install git Python-setuptools CD/OPT Sudo git clone https://github.com/res0nat0r/gitosis.git CD gitosis/ Sudo Python setup. py installB. Add a git user Note: Do not set a password for git users so that they cannot log

Requirements of tinydns Copied with permission from the author. Original site is at http://www.djbdnsrocks.org 1) At least 2 unused IP addresses. 1 is usually fine.2) daemontools-this was installed if you did my Qmail install. If not, please install