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CentOS 8 设置开机自启动zookeeper一、配置系统服务1、创建文件zookeepervim /etc/rc.d/init.d/zookeeper#!/bin/bash#chkconfig:2345 20 90#description:zookeeper#processname:zookeeperexport JAVA_HOME=/usr/java/jdk-11.0.10case $1 in start) su root /usr/local/zookeeper/

CentOS 8 安装zookeeper(单机方式)一、下载zookeeper包wget https://mirror.bit.edu.cn/apache/zookeeper/zookeeper-3.6.2/apache-zookeeper-3.6.2-bin.tar.gz二、安装zookeeper1.创建数据和日志目录mkdir /data/zookeepermkdir /data/zookeeper-logchmod 777 /data/zookeeper/chmod 777 /dat

CentOS 8 安装Erlang-21.3、RabbitMQ-3.8.0一、安装依赖环境dnf -y install make gcc gcc-c++ kernel-devel m4 ncurses-devel openssl-devel unixODBC unixODBC-devel httpd python-simplejson二、安装Erlang环境1.新增rabbitmq_erlang源vim /etc/yum.repos.d/rabbitmq_erlang.repo[rabbitm

CentOS 8 安装redis后make报错问题：[root@hanhua redis-5.0.7]# makebash: make: command not found...Install package 'make' to provide command 'make'? [N/y] y * Waiting in queue... * Loading list of packages.... The following packages have to be installed:

CentOS8 安装Google浏览器1.安装wgetdnf -y install wget[root@hanhua xiongyingli]# dnf -y install wget2.获取google安装文件[root@hanhua software]# wget https://dl.google.com/linux/direct/google-chrome-stable_current_x86_64.rpm3.安装google[root@hanhua software]# dnf l

CentOS 7 libc.so.6(GLIBC_2.14)(64bit) is needed by…问题的解决办法问题：[root@cnetos7 Downloads]# rpm -ivh libpython3.8-3.8.7-2.mga8.i586.rpmwarning: libpython3.8-3.8.7-2.mga8.i586.rpm: Header V4 RSA/SHA256 Signature, key ID 80420f66: NOKEYerror: Failed dependenc

CentOS 7 安装并配置Python3环境1. 安装相关包[root@cnetos7 ~]# yum install zlib-devel bzip2-devel openssl-devel ncurses-devel sqlite-devel readline-devel tk-devel gcc make 2.下载Python3源码包[root@cnetos7 software]# wget https://cdn.npm.taobao.org/dist/python/3.9.1/Pyt

CentOS 7 删除内核1.获取当前运行内核版本[xiongyingli@cnetos7 ~]$ uname -r3.10.0-1160.11.1.el7.x86_642.获取所有内核版本[xiongyingli@cnetos7 ~]$ rpm -qa| grep kernelkernel-headers-3.10.0-1160.11.1.el7.x86_64kernel-3.10.0-1160.11.1.el7.x86_64kernel-tools-3.10.0-1160.11.1.e

CentOS 7 搭建ElasticSearch1.安装ElasticSearch-7.10.2获取es安装包：[root@cnetos7 software]# wget [root@cnetos7 software]# https://artifacts.elastic.co/downloads/elasticsearch/elasticsearch-7.10.2-linux-x86_64.tar.gz2.安装kibana-7.10.2[root@cnetos7 software]# wget

CentOS 7 启动ElasticSearch时报错bootstrap checks failed错误：[2021-01-27T11:50:22,939][INFO ][o.e.b.BootstrapChecks ] [cnetos7.hanhua.com] bound or publishing to a non-loopback address, enforcing bootstrap checksERROR: [3] bootstrap checks failed[1]: max fi

CentOS 7 搭建ElasticSearch报错ElasticsearchException[X-Pack is not supported and Machine Learning is not原因：[2021-01-27T11:42:37,055][ERROR][o.e.b.ElasticsearchUncaughtExceptionHandler] [cnetos7.hanhua.com] uncaught exception in thread [main]org.elasticsearc

MySQL数据库共有四种类型的日志：Error Log、General Query Log、Slow Query Log 和 Binary Log 。一、Error Log（错误日志）Error Log 即 错误日志，主要是记录 mysqld 发生的一些错误。二、General Query Log（一般查询日志或普通查询日志）General Query Log 即 mysql通用查询日志，记录 mysqld 正在做的事情，如客户端的连接和断开、来自客户端每条 Sql Statement 记录信息；如

MySQL 开启二进制日志相关操作1、开启bin-log二进制日志my.ini 配置文件 查到或添加：log-bin=mysql-binmy.cnf配置文件添加：root@cnetos7 etc]# vim my.cnfserver-id = 1log-bin=mysql-bin注意：配置文件修改保存后，一定要重启mysql；2、查看bin-log二进制日志a、查看是否启用了二进制日志mysql> show variables like 'log_bin';+--------

CentOS 7 安装Git1.安装gita、yum命令安装[root@cnetos7 local]# yum install -y gitInstalled: git.x86_64 0:1.8.3.1-23.el7_8 Dependency Installed: perl-Error.noarch 1:0.17020-2.el7 p

CentOS 7 安装Docker1.安装前提目前，CentOS 仅发行版本中的内核支持 Docker。Docker 运行在 CentOS 7 上，要求系统为64位、系统内核版本为 3.10 以上2使用 yum 安装（CentOS 7下）Docker 要求 CentOS 系统的内核版本高于 3.10 ，查看本页面的前提条件来验证你的CentOS 版本是否支持 Docker 。通过 uname -r 命令查看你当前的内核版本[root@cnetos7 local]# uname -r 3.10

CentOS 7 修改默认yum源为国内yum镜像源1.修改CentOS默认yum源为mirrors.163.coma、首先备份系统自带yum源配置文件/etc/yum.repos.d/CentOS-Base.repo[root@cnetos7 local]# mv /etc/yum.repos.d/CentOS-Base.repo /etc/yum.repos.d/CentOS-Base.repo.backupb、进入yum源配置文件所在的文件夹[root@cnetos7 local]# cd

CentOS 7 MySQL5.7配置文件my.cnf 配置参数详解1.client options 相关选项#以下选项会被MySQL客户端应用读取。注意只有MySQL附带的客户端应用程序保证可以读取这段内容。如果你想你自己的MySQL应用程序获取这些值。需要在MySQL客户端库初始化的时候指定这些选项。[client]port = 3309socket = /usr/local/mysql/tmp/mysql.sock[mysqld]!include /usr/local/mysql/e

CentOS 7 MySQL5.7日志配置1.修改MySQL配置文件在mysql配置文件（/etc/my.cnf）中写入：[root@cnetos7 local]# /etc/my.cnfgeneral_log=1general_log_file=/usr/local/mysql/mysql-5.7.30/log/general.logslow_query_log=1slow_query_log_file=/usr/local/mysql/mysql-5.7.30/log/slowqueri

CentOS 7 卸载MySQL1，查看mysql状态如果mysql服务开启的状态，先将mysql关闭[root@cnetos7 local]# systemctl stop mysqld.service2，直接用yum指令去卸载[root@cnetos7 local]# yum remove mysql mysql-devel mysql-server mysql-libs compat-mysql573，删除数据文件[root@cnetos7 local]# find / -nam

CentOS 7 安装MySQL1.安装YUM Repoa、由于CentOS 的yum源中没有mysql，需要到mysql的官网下载yum repo配置文件。下载命令：[root@cnetos7 software]# wget https://dev.mysql.com/get/mysql57-community-release-el7-9.noarch.rpmb、然后进行repo的安装：[root@cnetos7 software]# rpm -ivh mysql57-community-r

CentOS 7 安装Maven1.下载Maven安装包[root@cnetos7 software]# wget https://downloads.apache.org/maven/maven-3/3.6.3/binaries/apache-maven-3.6.3-bin.tar.gz2.安装maven[root@cnetos7 software]# tar -xvzf apache-maven-3.6.3-bin.tar.gz[root@cnetos7 software]# mv apa

CentOS 7 安装Nginx1.安装nginx依赖包安装gcc、gcc-c++[root@cnetos7 xiongyingli]# yum install -y gcc gcc-c++安装其它依赖包[root@cnetos7 xiongyingli]# yum install -y make automake autoconf libtool pcre pcre-devel zlib zlib-devel openssl openssl-devel2.下载nginx安装包获取ng

CentOS 7 安装redis过程中fatal error: jemalloc/jemalloc.h: No such file or directory错误问题:[root@cnetos7 src]# make install PREFIX=/usr/local/redis CC adlist.oIn file included from adlist.c:34:0:zmalloc.h:50:31: fatal error: jemalloc/jemalloc.h: No such fi

CentOS 7 安装redis过程中make错误问题:[root@cnetos7 redis-5.0.7]# makecd src && make allmake[1]: Entering directory `/usr/local/software/redis-5.0.7/src' CC Makefile.depmake[1]: Leaving directory `/usr/local/software/redis-5.0.7/src'make[1]: Enteri