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原创 OpenStack Tips

1.配置计算节点重启后，虚拟机自动重启#配置vim /etc/nova/nova.conf[DEFAULT]...resume_guests_state_on_host_boot=true...#重启服务systemctl restart openstack-nova-compute做了上面配置以后，如果计算节点发生重启，重启之前running状态的虚拟机会自动start。2.异构cpu迁移配置#配置vim /etc/nova/nova.conf...[libvir

2022-04-12 08:57:58 257

原创 ingress-nginx的部署和使用

k8s版本：1.22.3ingress-nginx的部署#使用manifest部署# wget https://raw.githubusercontent.com/kubernetes/ingress-nginx/controller-v1.1.0/deploy/static/provider/cloud/deploy.yaml#由于我的环境没有外部负载均衡，需要配置 hostNetwork: true,配置了以后会在运行ingress-controller的节点起80和443端口接受外

2022-01-04 11:20:35 587

原创 prometheus基本使用

# monitor prometheusWe use prometheus,alertmanager,grafana and other tools to monitoring our systems and services.## PrometheusPrometheus is an open-source systems monitoring and alerting toolkit- Prometheus pull data from exporters or from pushgatewa

2021-07-29 09:49:45 1223

原创 github基本使用

1.注册账号https://github.com/2.配置key在linux执行下面命令生成keyssh-keygen #一路回车将下面命令输出内容拷贝到githubcat ~/.ssh/id_rsa.pub3.在github创建项目4.从linux拉去项目git clone git clone https://github.com/***5.配置用户git config --global user.name "awsome0305"git config

2021-03-24 11:03:29 119

原创 ceph block device实验

1.创建存储池# ceph osd pool create volumes 128# ceph osd pool create images 128# ceph osd pool create vms 128# ceph osd pool create libvirt-pool 128# rbd pool init volumes# rbd pool init images# rbd pool init vms# rbd pool init libvirt-pool# ceph o

2020-12-25 11:43:01 265

原创 docker基础实验

1.docker部署(CentOS7)# yum install -y yum-utils# yum-config-manager \ --add-repo \ https://download.docker.com/linux/centos/docker-ce.repo# yum install docker-ce docker-ce-cli containerd.io2.启动并设置开机启动# systemctl start docker# systemctl e...

2020-12-24 15:06:01 192

原创 openstack虚拟机的热迁移和疏散

前提条件：openstack和ceph集成完成，保证虚拟机系统盘运行在ceph上配置步骤：1.在各个计算节点之间做root的ssh认证，可以相互免密登录2.配置libvirtd服务修改配置# vim /etc/libvirt/libvirtd.conflisten_tls = 0listen_tcp = 1unix_sock_group = "root"unix_sock_rw_perms = "0777"auth_unix_ro = "none"auth_unix_rw

2020-12-22 16:57:08 3526

原创 CentOS8.3 nfs-ganesha-proxy的使用

实验环境： 1台nfs-ganesha节点，使用vfs共享目录 1台proxy节点，进行nfs代理 1台客户端，进行nfs挂载使用1.nfs-ganesha节点部署https://mp.youkuaiyun.com/editor/html/1111803692.proxy节点部署dnf install centos-release-nfs-ganesha30.noarch -ydnf i...

2020-12-15 10:34:24 538

原创 Centos8.3 nfs-ganesha使用vfs共享目录

1.部署nfs-ganeshadnf install centos-release-nfs-ganesha30.noarch -ydnf install nfs-ganesha nfs-ganesha-vfs -y2.配置nfs-ganeshacat /etc/ganesha/ganesha.confEXPORT { Export_ID = 1; FSAL { Name = VFS; } mode = 0755; Squash="N

2020-12-14 17:29:53 1360

原创 Centos8.3 nfs-ganesha使用GlusterFS后端

在任意一台GlusterFS节点部署nfs-ganesha相关包dnf install centos-release-nfs-ganesha30 -ydnf install nfs-ganesha-gluster -y配置ganeshacat /etc/ganesha/ganesha.confEXPORT{ Export_Id = 1 ; # Export ID unique to each export Path = "/gv0"; # Path of the v

2020-12-11 10:20:51 684

原创 CentOS8.3部署GlusterFS

1.配置ip主机名对应关系cat /etc/hosts127.0.0.1 localhost localhost.localdomain localhost4 localhost4.localdomain4::1 localhost localhost.localdomain localhost6 localhost6.localdomain6${server01_ip} glusterfs01${server02_ip} glusterfs02${serve...

2020-12-11 10:06:01 765

原创 Centos8.3 nfs-ganesha使用ceph后端

在部署完成cephFS的ceph节点部署nfs-ganeshadnf install centos-release-nfs-ganesha30.noarch -ydnf install nfs-ganesha-ceph -y修改配置并启动ganeshavim /etc/ganesha/ganesha.conf# create newNFS_CORE_PARAM { # disable NLM Enable_NLM = false; # disable RQU

2020-12-09 16:12:53 564

原创 CentOS8.3 N版cephFS配置

cephFS的配置部署好ceph后，配置ceph MDSsu - ceph -s /bin/bashid=$(hostname)mkdir -p /var/lib/ceph/mds/ceph-${id}exitid=$(hostname)ceph auth get-or-create mds.${id} mon 'profile mds' mgr 'profile mds' mds 'allow *' osd 'allow *' > /var/lib/ceph/mds/ceph-

2020-12-09 14:44:44 365

原创 h3c s5048交换机基本配置

新的交换机使用admin/admin登录进去，然后开始配置基础配置<H3C>system-viewSystem View: return to User View with Ctrl+Z.[H3C]]sysname openstack-sw01[openstack-sw01]user-interface aux 0[openstack-sw01-line-aux0]authentication-mode password[openstack-sw01-line-aux0]s

2020-10-23 11:46:17 4641

原创使用kubeadm部署kubernetes

1.config corecat <<EOF | sudo tee /etc/sysctl.d/k8s.confnet.bridge.bridge-nf-call-ip6tables = 1net.bridge.bridge-nf-call-iptables = 1EOFsudo sysctl --system2.deploy dockeryum install -y yum-utils device-mapper-persistent-data lvm2yum-

2020-09-04 11:11:14 240

原创 CentOS7手动部署ceph（luminous）

目录实验环境：实验步骤：实验环境：主机名 ip 配置 mon01(mon+osd) 192.168.226.200 2C4G20G+2*20G mon02(mon+osd) 192.168.226.201 2C4G20G+2*20G mon03(mon+osd) 192.168.226.202 2C4G20G+2*20G 实验步骤：1.配置yum源cat /etc/yum.repos.d/ceph.repo[Cep

2020-06-09 16:40:55 560

原创 centos7部署ceph（mimic）

实验环境：主机名 ip 配置 ceph01（deploy节点） 192.168.122.41 2c4g20G+20G*2 ceph02 192.168.122.42 2c4g20G+20G*2 ceph03 192.168.122.43 2c4g20G+20G*2 实验步骤：1.基础配置配置主机名，/etc/hosts文件，关iptables，关selinux，ntp时间同步等不表2.配置yum源yum install -

2020-06-04 14:17:09 520

原创 centos7下openstack(rocky)和ceph（mimic）集成

1.ceph中操作创建pool（ceph mon节点操作）ceph osd pool create volumesceph osd pool create imagesceph osd pool create vmsrbd pool init volumesrbd pool init imagesrbd pool init vmsssh {your-openstack-server} sudo tee /etc/ceph/ceph.conf </etc/ceph/ceph.con

2020-06-03 11:52:09 582

原创 haproxy+keepalived快速实践

实验环境：角色 ip 配置 master 192.168.226.31 1C1G20G backup01 192.168.226.32 1C1G20G backup02 192.168.226.33 1C1G20G 1.安装haproxy1.1装包yum install haproxy -y1.2配置haproxy（所有节点一致）cat /etc/haproxy/haproxy.cfg#---------------------

2020-05-18 14:14:28 326

原创超级简单版centos7部署galera集群

实验环境：主机名 ip 配置 controller01 192.168.226.31 1C1G20G controller02 192.168.226.32 1C1G20G controller03 192.168.226.33 1C1G20G 部署流程：1.yum 源配置#curl -sS https://downloads.mariadb.com/MariaDB/mariadb_repo_setup | bash

2020-05-15 11:28:10 480

原创 rabbitmq集群网络分区模拟与恢复

网络分区原因网络分区出现的原因是集群节点之间通信出现异常，导致各节点之间数据不同步，节点之间通信异常恢复后集群会分裂成多个网络分区（小集群）各自为政。网络分区模拟配置文件包含中cluster_partition_handling的配置为ignore一个正常运行的3节点集群，集群状态如下[root@test-192-168-1-41 ~]# rabbitmqctl clus...

2018-07-22 09:06:17 1273

原创 rabbitmq的部署和HA集群搭建

安装安装环境：系统：CentOS7.3yum源：这里使用openstack queens的源# yum install centos-release-openstack-queens安装rabbitmq# yum install rabbitmq-server -y启动服务# systemctl enable rabbitmq-server.service...

2018-07-22 08:31:59 883

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