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1. Mount the CD mkdir /mnt/cdrom mount /dev/cdrom /mnt/cdrom vim /etc/fstab /dev/cdrom /mnt/cdrom iso9660 defaults 0 0 2. Create yum source [root@centos7-1 xwk]# yum-config-manager --add-repo=file:///mnt/cdrom Plug in loaded: fastestmirror, langpacks adding repo from: file:///mnt/cdrom Cannot add repo from file:///m ...

CentOS 6.9. When executing yum makecache, 404 errors are reported as follows: http://mirrors.cloud.aliyuncs.com/epel/6/x86_64/repodata/repomd.xml: [Errno 14] PYCURL ERROR 22 - "The requested URL returned error: 404 Not Found" The reason is that "CentOS 6 has entered EOL (Reaches End of Life) with the end of November 2020 , the official re ...

General idea: First, check whether the existing software source can install docker; See how to install Centos; Centos needs to be installed according to aarch64; Use domestic image to facilitate installation; 1. View version There are two ways to determine the specific centos version corresponding to the Kirin system. At present, ther ...

catalogue preface 1, Build YUM software warehouse     1. Concept of YUM     2. Configure local source warehouse     3. Configure ftp source     4. Configure network source     5. Manage packages using yum tools 2, FTP     1. FTP concept      2. Set FTP ...

Notes of the third lecture in class NSD2005 1, KVM construction and management 10.1 KVM components 10.2 KVM management command 10.3 composition of KVM virtual machine 10.4 manually clone KVM virtual machine 10.5 manually clone kvm virtual machine (virsh edit virtual machine name) 10.6. Delete KVM vi ...

Article catalog 1, Introduction 1. What is PXE 2. Working process of PXE 2, Realize network manual installation 1. System environment preparation 2. Install and configure dhcp service 3. Install and configure tftp service 4. Install and configure httpd service 5. Configure PXE boot program (1) PX ...

1, ceph L version codeDownload github, omit2, Change do_cmake.sh file For the comment line, add the following: #cmake -DBOOST_J=$(nproc) $ARGS "$@" .. cmake -DCMAKE_C_FLAGS="-O0 -g3 -gdwarf-4" -DCMAKE_CXX_FLAGS="-O0 -g3 -gdwarf-4" -DBOOST_J=$(nproc) $ARGS "$@" .. Interpretation of the above modifications: CMAKE_C_FLAGS = "- O0 -g3 -gdwarf ...

Chapter 0 of MySql, installation and cluster configuration 1, MySql installation 1. RPM installation RPM installation, unable to customize some installation paths and configuration file paths ##Fill in the pit later 2. Generic installation Binary precompiled Generic, download address: https://cdn.mysql.com/archives/mysql-5.7/mysql- ...

Environmental Instructions: host name os version ip docker version docker-compose version ansible version awx version Remarks ansible-awx Centos 7.6.1810 172.27.34.50 Docker 19.03.9 1.25.5 2.9.9 10.0.0 Manage Nodes centos01 Centos 7.6.1810 172.27.34.28 × × × × Managed Node centos02 Centos 7.6.1810 172.27.34.35 × × × × Managed Node ...

Write in front Because docker engine docker is not recommended officially, it cannot be installed, so now install docker CE. Refer to official documents https://docs.rancher.cn/rancher2x/install-prepare/basic-environment-configuration.html#_4-1-docker%E5%AE%89%E8%A3%85 Installation procedure 1. Turn off the firewall ...