Mail service configuration (virtual domain & virtual user)

Mail service configuration (virtual domain & virtual user) First of all: https://www.somata.work/2019/VirtualMailServerConfig_MariaDB.html Now what I'm doing is:Linux + httpd + php + mariadb + postfix + dovecot + phpMyAdmin + postfixadmin + roundcubemail Here I will show you how to make a mail service based on virtual domain and virtual us ...

Posted on Sat, 22 Feb 2020 09:56:35 -0800 by JoeF

GlusterFS quick install

Preparation before installation At least three machines are needed here. All machines turn off the firewall and Selinux. All machines need two hard disks, systemctl stop firewalld systemctl disable firewalld setenforce 0 sed -i "s#SELINUX=enforcing#SELINUX=disabled#g" /etc/selinux/config In fact, ...

Posted on Wed, 19 Feb 2020 01:29:45 -0800 by ojeffery

CentOS 7 installation of PostgreSQL (RPM mode) and common commands

Official course https://www.postgresql.org/download/linux/redhat/ Installation preparation System version: CentOS Linux release 7.3.1611 (Core) Software version: psql (PostgreSQL) 9.6.17 install 1, Check if PostgreSQL is installed rpm -qa | grep postgres #Check if PostgreSQL is installed rpm ...

Posted on Sun, 16 Feb 2020 22:52:18 -0800 by tripodkid

Ubuntu 18.10 install DenyHosts to prevent exposed servers from being blasted by malicious ssh

Today, a friend suddenly remembered to see if the server had been blasted by malicious ssh, but he didn't know if it did. There are still a lot of friends like us after checking on github.. A great God has written the plug-in, just use it directly. Originally, I was going to turn off password acces ...

Posted on Sat, 15 Feb 2020 00:19:18 -0800 by katlis

Theory + practice Huawei firewall

Huawei firewall Article directory 1: Huawei firewall product introduction 2: How Firewalls Work 2.1 working mode of firewall 2.2 Huawei firewall security area division 2.3 firewall Inbound and Outbound 2.4 state information 2.5 security strategy 3: Equipment management mode 3.1 AAA (Authenticat ...

Posted on Mon, 10 Feb 2020 05:32:34 -0800 by coffejor

kubernetes binary deployment load balancing deployment

This is the third part of kubernetes binary deploymentIf you haven't read the first article, you can look at the following:Kubernetes binary deployment (I) single node deploymentkubernetes binary deployment (II) multi node deployment Experimental environment: load balancing Nginx1:192.168.35.104/24 Nginx2:192.168.35.105/24 Master node maste ...

Posted on Mon, 10 Feb 2020 03:15:09 -0800 by marq

Docker deployment nginx + tomcat

brief introduction In the production environment, many enterprises often use nginx + tomcat architecture, nginx as load balancer, reverse proxy, tomcat as node server. This architecture can also be used in the docker container.For those interested in this architecture, please refer to the blog: https://blog.51cto.com/13760351/2161850 Operati ...

Posted on Fri, 07 Feb 2020 06:35:58 -0800 by warptwist

How to use cloud storage gateway to build FTP server to access OSS storage

background Cloud storage file gateway is a storage gateway product provided by alicloud. It can meet the needs of users to access OSS object storage data through protocols such as NFS or Samba. Through simple configuration, we can also configure an FTP server based on the file gateway, which allows users to access OSS data through FTP, and real ...

Posted on Tue, 04 Feb 2020 04:32:44 -0800 by TomatoLover

Details of ACL access control permission

In general permissions, users have only three identities for files, that is, owner, group and others; each user identity has read, write and execute permissions. But in practice, these three identities are not enough. Let's take an example. Figure 1 ACL permission introduction Figure 1 has a / project ...

Posted on Fri, 31 Jan 2020 15:28:16 -0800 by wilded1

Centos7 + OpenVPN 2.4 + easy-ras 3.0 + fairwall environment construction

Building environment centos7.1 openvpn-2.4.4 easy-rsa-3.0 Fairwall-0.4.4 Windows 7 64 bit Software installation Download the required software yum install epel-release yum install lsb_release -a yum install -y openssl openssl-devel lzo lzo-devel pam pam-devel automake pkgconfig makecache yum install -y openvpn yum inst ...

Posted on Fri, 31 Jan 2020 06:02:34 -0800 by Jim_Bo