Installation and configuration of Postgresql9.6.6 under CentOS 6.6
1, Environment introduction
System platform: CentOS release 6.6 (Final)
Postgresql: postgresql-9.6.6
SELINUX=disabled
Iptables off
2, Installation process
1. Install dependency package
yum -y install gcc*
yum -y install readline-devel
2. Source package acquisition
wget http://ftp.postgresql.org/pub/source/v9.6. ...
Posted by batterdmooie on Sat, 04 Apr 2020 10:11:46 +0200
MySQL forget root password solution
Now the mysql database we use is divided into two versions, one is mysql and the other is mariadb. There are some differences between the two versions of the solution, which I will explain below.
First step
First, we need to turn on my.cnf
vim /etc/my.cnf
Add skip grant tables under [mysqld], then save and exit
...
Posted by rejoice on Sat, 04 Apr 2020 00:08:14 +0200
Tcp warp and ISCSI services
Service startup process:
Tcp warp:
1.Tcp warp is managed by xinetd 2. support libwarp.so module service: we can use ldd to view
ldd `which sshd`
vim /etc/hosts.deny
ALL:ALL ###Everyone refused to connect
vim /etc/hosts.al ...
Posted by eddy666 on Fri, 03 Apr 2020 15:21:54 +0200
Technology sharing | MySQL Test
Author: Lei Xia
The test team leader of akerson focuses on MySQL related test work.
Source: original contribution
*Aikesheng is produced by the open source community. The original content cannot be used without authorization. Please contact the editor for reprint and indicate the source.
What is Mysql Test?
Mysql Test is an integrated al ...
Posted by jawaking00 on Tue, 31 Mar 2020 13:59:32 +0200
memcached high availability cluster building
memcached high availability cluster buildingWe need three servers:
Main server 192.168.247.206
From server 192.168.247.160
Client 192.168.247.161master serverConfigure memcached primary and secondary cache nodes
[root@lamp ~]# hostnamectl set-hostname master
[root@lamp ~]# su
[root@master ~]#
[root@master ~]# mkdir /abc
mkdir: cannot create ...
Posted by jdeer0618 on Mon, 23 Mar 2020 15:30:20 +0100
OpenVPN Installation Configuration
1. Introduction
Definition
OpenVPN is a software package for creating virtual private network encryption channels, originally written by James Yonan.OpenVPN allows created VPNs to authenticate using public keys, electronic certificates, or user names/passwords.
It makes extensive use of the SSLv3/TLSv1 protocol function library in the Ope ...
Posted by rmelino on Sat, 21 Mar 2020 05:45:34 +0100
HAproxy load balancing (Health Detection for back end)
Because there is a. spec file in the haproxy package, we can use the rpm command to build the ha rpm package ourselves:
53 yum install rpm-build -y
57 rpmbuild -tb /usr/src/haproxy-1.7.3.tar.gz
58 yum install pcre-devel -y
59 rpmbuild -tb /usr/src/haproxy-1.7.3.tar.gz
60 yum install gcc -y
61 rpmbu ...
Posted by peteraub on Wed, 18 Mar 2020 16:10:26 +0100
CentOS7.X installs Redis-4.0.8 and builds Redis clusters
My personal website
Install redis
Preparation before installation
yum install \
vim \
wget \
make \
gcc \
gcc-c++ \
automake \
autoconf \
-y \
Download, unzip and install
cd /root
wget http://download.redis.io/releases/redis-4.0.8.tar.gz
tar -zxzf redis-4.0.8.tar.gz
cd redis-4.0.8
make PREFIX=/usr/local/redis/ install
Create the data file ...
Posted by chrisv on Tue, 17 Mar 2020 12:24:00 +0100
Formal Learning linux-12
1.selinux
The selinux security subsystem restricts services from domain and security context constraints to only or as much resources as it should have.
Domain: Service functional constraints;
Security context: Restrictions on file permissions.
The state of SELinux is configured by configuring/etc/selinux/config.It is recommended that the s ...
Posted by phpnew on Sat, 14 Mar 2020 17:54:23 +0100
docker container, network deployment
Deploy centos7 container applications
Mirror download:
[root@yixuan ~]# docker pull daocloud.io/library/centos:7
systemd Integration:
Because SYSTEMd requires CAPSYSADMIN permission, which gives it the ability to read to the host cgroup, SYSTEMd has been replaced with fakesystemd in CentOS7.However, ...
Posted by maddog720 on Sat, 14 Mar 2020 01:33:06 +0100