Openstack computing host installation and configuration process II

Openstack computing host installation and configuration process 1. Environment configuration Hosts configuration   modify the / etc/hosts file and add wtcontroller, wtcompute1 and wtcompute2: 127.0.0.1 localhost localhost.localdomain localhost4 localhost4.localdomain4 ::1 localhost localhost.localdomain localhost6 localhost ...

Posted on Mon, 06 Apr 2020 08:53:20 -0700 by Toboe

[RH134] 10-NFS and Samba Clients

For configuration of NFS and samba servers, see: Here, we will only discuss the use of the client   1. Use of NFS clients nfs implements a remote shared directory between Unix-like systems.   Suppose we already have a server that provides nfs services with an IP of 192.168.1.17.A directory/aa has already been shared. 1) Query nfs direc ...

Posted on Sun, 05 Apr 2020 20:45:05 -0700 by mridang_agarwal

A backup and restore of MySQL database in production environment

Background The company's production environment some application databases are deployed on the VMWare platform. In order to save costs, leaders are now considering migrating all data to the CAS platform living in KVM. The V2V migration was done before, but the efficiency is not high. It combines the time cost and other ...

Posted on Sat, 04 Apr 2020 16:31:01 -0700 by bob_marely

CENTER OS7 turn off firewall

CentOS 7.0 uses firewall as the firewall by default, and the previous version used iptables. Therefore, you cannot view the firewall status by executing the following command in CentOS 7. [root@localhost ~]# service iptables status Redirecting to /bin/systemctl status iptables.service Unit iptables.service could not be found. ...

Posted on Sat, 04 Apr 2020 09:40:53 -0700 by uNF

Installing multiple versions of jdk on Linux system

When a friend mentioned this, he tried to make a record for later. Installation environment: CentOS release 6.5 (Final) 64 bit 1. Install a jdk first, taking jdk 9 as an example [root@local opt]# ls jdk-9.0.4_linux-x64_bin.tar.gz [root@local opt]# tar zxvf jdk-9.0.4_linux-x64_bin.tar.gz ... [root@local opt]# ls jdk- ...

Posted on Sat, 04 Apr 2020 07:31:09 -0700 by jj33

mysql installation and master-slave setup

Main storehouse: MySQL installation on CentOS 6.2: yum -y install mysql mysql-server mysql-devel mysql-libs After installing MySQL, change the configuration / etc/my.cnf: [mysqld] datadir=/data/mysql socket=/var/lib/mysql/mysql.sock user=mysql port=3306 # Disabling symbolic-links is recommended to prevent assorte ...

Posted on Sat, 04 Apr 2020 01:33:38 -0700 by OOP

GCC compilation and cmake installation of percona-server-5.6 under CentOS 6.5

percona-server-5.6.25-73.1 installation notes -- compilation Collection Stone 2012  Published 3 years ago Reading 1744 Collection 1 Point 0 Comment 0 [Tencent cloud] buy domain name and send it to cloud resolution + SSL certificate + website building! >   Absrtact: install the latest version of percona-server-5.6.25 ...

Posted on Fri, 03 Apr 2020 17:09:12 -0700 by bweekly

Installing Docker container under Centos

First of all, it is stated that the purpose of this article is to introduce the installation of Docker-CE (community version) in centos environment. The community version is free for individual developers and small teams. Docker-EE (enterprise version) has additional costs. If you want to know about the construction of other systems, please ...

Posted on Thu, 02 Apr 2020 17:16:53 -0700 by JimStrosky

The installation of thrift in the non network state of CentOS environment

The installation of thrift in the non network state of CentOS environment There are many ways to install thrift on the Internet, but most of them are based on machine networking using yum or apt get. In some cases, the external network cannot be connected in the node environment. At this time, it will be more difficult ...

Posted on Thu, 02 Apr 2020 03:46:45 -0700 by juschillin

Docker discovery-swarm to build docker cluster

Origin: http://www.cnblogs.com/520playboy/p/7873903.html Preface Swarm was an independent project prior to Docker version 1.12. After the release of Docker version 1.12, the project was merged into Docker and became a subcommand of Docker. Doker swarm is a tool for creating a server cluster, which requires only a few commands to create a ...

Posted on Wed, 01 Apr 2020 10:14:08 -0700 by stormszero