Yum (yellow updater modified) is an open source, widely used command line and graphics based package management tool. It is used to manage RPM based Linux systems, including but not limited to RedHat Linux, CentOS, and Oracle Linux. It is used to install, update, remove, and search packages on the system.
The installation package is not limite ...
Added by veluit06 on Sat, 23 May 2020 10:19:53 +0300
What is a container?In life, our common containers are all kinds of bottles, jars and jars, all kinds of things that can hold other materials are called containers. The characteristics of containers are that they have a good isolation function, which makes different materials isolated from each other. In addition, containers are convenient to t ...
Added by bbbaldie on Sat, 16 May 2020 19:21:00 +0300
Because rexray, the Ceph plug-in of docker, has certain requirements for Ceph version, when Ceph version is hammer (0.94.10), rexray cannot create rbd device successfully. For CentOS 7 and above, hammer is installed by default, so we need to install a higher version of jewel. Ceph version available See also.
For installation ...
Added by fiorelina21 on Thu, 30 Apr 2020 09:15:09 +0300
epel and ius sources provide a lot of useful software.
CentOS uses the yum package manager, and the software source configuration file of Yum is stored in the directory / etc/yum.repos.d /.
Back up and delete all CentOS-*.repo entries, and create centos.repo file:
name=CentOS-$releasever - Base
Added by chrislive on Fri, 03 Apr 2020 18:29:46 +0300
Recently, all kinds of servers have been intruded, so in terms of security, we should pay great attention to it. We hereby record that we can use google's authentication plug-in to obtain dynamic authentication code to complete ssh login.
1. Install epel source
yum -y install epel-release
Added by peaforabrain on Fri, 03 Jan 2020 08:12:05 +0200
ngxtop, a log monitoring tool for nginx
Looking at nginx log files in tail? out!
Tail-f log path
ngxtop is a python-based program that can be installed on Python. ngxtop parses nginx access logs in real time and outputs the results (useful indicators of nginx servers) to terminals
Added by Cory94bailly on Tue, 08 Oct 2019 17:50:51 +0300
MHA (Master High Availability) is currently a relatively mature solution to MySQL high availability. It is a set of excellent high availability software as fault handover and master-slave promotion in MySQL high availability environment. In the process of MySQL fault switching, MHA can automatically complete the database fault swi ...
Added by budder on Sat, 06 Jul 2019 02:18:30 +0300
A Brief Introduction to cobbler
Operational and maintenance automation includes standardization, instrumentation, Web-based, service-based and intelligent levels. In a production environment with a slightly larger scale and thousands or even tens of thousands of servers, instrumentation system installation process and unified system installatio ...
Added by djumaka on Thu, 04 Jul 2019 01:23:20 +0300
Official Compilation and Installation
$ wget http://download.redis.io/releases/redis-4.0.0.tar.gz
$ tar xzvf redis-4.0.0.tar.gz -C /usr/local/
$ cd /usr/local/redis-4.0.0
$ make test
$ make install
# The program will execute automatically:
# mkdir -p /usr/local/bin ...
Added by ashmo on Fri, 07 Jun 2019 03:13:41 +0300