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最新评论
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wahahachuang8:
我喜欢代码简洁易读,服务稳定的推送服务,前段时间研究了一下go ...
websocket的helloworld -
q114687576:
http://www.blue-zero.com/WebSoc ...
websocket的helloworld -
zhaoyanzimm:
感谢您的分享,给我提供了很大的帮助,在使用过程中发现了一个问题 ...
nginx的helloworld模块的helloworld -
haoningabc:
leebyte 写道太NB了,期待早日用上Killinux!么 ...
qemu+emacs+gdb调试内核 -
leebyte:
太NB了,期待早日用上Killinux!
qemu+emacs+gdb调试内核
前提是要配置好yum源
版本icehouse,操作系统redhat6.5
最简化安装,不要cinder和swift
三个节点
172 control节点keystone glance horizon
173 compute节点nova
173 network节点neutron
版本icehouse,操作系统redhat6.5
最简化安装,不要cinder和swift
三个节点
172 control节点keystone glance horizon
173 compute节点nova
173 network节点neutron
control /etc/sysctl.conf net.ipv4.ip_forward = 1 net.bridge.bridge-nf-call-ip6tables = 1 net.bridge.bridge-nf-call-iptables = 1 net.bridge.bridge-nf-call-arptables = 1 /etc/security/limits.conf * soft nproc 65535 * hard nproc 65535 * soft nofile 65535 * hard nofile 65535 * soft core ulimit * hard core ulimit 删除libvirt自带的bridge,准备使用openvswitch mv /etc/libvirt/qemu/networks/default.xml /etc/libvirt/qemu/networks/default.xml.bak modprobe -r bridge qemu-img create -f qcow2 control_add.img 40G <disk type='file' device='disk'> <driver name='qemu' type='qcow2' cache='none'/> <source file='/opt1/control_add.img'/> <target dev='vdb' bus='virtio'/> <address type='pci' domain='0x0000' bus='0x00' slot='0x07' function='0x0'/> </disk> vgcreate vgstorage /dev/vdb /etc/sysconfig/iptables -I INPUT -p tcp --dport 80 -j ACCEPT -I INPUT -p tcp --dport 3306 -j ACCEPT -I INPUT -p tcp --dport 5000 -j ACCEPT -I INPUT -p tcp --dport 5672 -j ACCEPT -I INPUT -p tcp --dport 8080 -j ACCEPT -I INPUT -p tcp --dport 8773 -j ACCEPT -I INPUT -p tcp --dport 8774 -j ACCEPT -I INPUT -p tcp --dport 8775 -j ACCEPT -I INPUT -p tcp --dport 8776 -j ACCEPT -I INPUT -p tcp --dport 8777 -j ACCEPT -I INPUT -p tcp --dport 9292 -j ACCEPT -I INPUT -p tcp --dport 9696 -j ACCEPT -I INPUT -p tcp --dport 15672 -j ACCEPT -I INPUT -p tcp --dport 55672 -j ACCEPT -I INPUT -p tcp --dport 35357 -j ACCEPT -I INPUT -p tcp --dport 12211 -j ACCEPT /etc/init.d/iptables restart yum install rabbitmq-server cat /etc/hosts 127.0.0.1 control localhost.localdomain localhost4 localhost4.localdomain4 /etc/rabbitmq/enabled_plugins [rabbitmq_management]. service rabbitmq-server start chkconfig rabbitmq-server on http://192.168.137.162:15672/ rabbitmqctl list_users (1) 新增一个用户 rabbitmqctl add_user Username Password (2) 删除一个用户 rabbitmqctl delete_user Username (3) 修改用户的密码 rabbitmqctl change_password Username Newpassword (4) 查看当前用户列表 rabbitmqctl list_users yum install mysql-server vim /etc/my.cnf default-character-set=utf8 default-storage-engine=InnoDB /etc/init.d/mysqld start chkconfig mysqld on /usr/bin/mysqladmin -u root password 'openstack' yum install -y openstack-keystone openstack-utils export SERVICE_TOKEN=$(openssl rand -hex 10) echo $SERVICE_TOKEN >/root/ks_admin_token 这里要一气呵成,多次使用就出错了,指定了默认的admin_token呀 openstack-config --set /etc/keystone/keystone.conf DEFAULT admin_token $SERVICE_TOKEN openstack-config --set /etc/keystone/keystone.conf token provider keystone.token.providers.uuid.Provider; openstack-config --set /etc/keystone/keystone.conf sql connection mysql://keystone:keystone@192.168.137.172/keystone; openstack-db --init --service keystone --password keystone --rootpw openstack; chown -R keystone:keystone /etc/keystone /etc/init.d/openstack-keystone start chkconfig openstack-keystone on ★★★★★★★★★★★★★★★★★★ export SERVICE_TOKEN=`cat /root/ks_admin_token` export SERVICE_ENDPOINT=http://192.168.137.172:35357/v2.0 keystone service-create --name=keystone --type=identity --description="Keystone Identity Service haoning" keystone endpoint-create --service keystone --publicurl 'http://192.168.137.172:5000/v2.0' --adminurl 'http://192.168.137.172:35357/v2.0' --internalurl 'http://192.168.137.172:5000/v2.0' --region wuhan keystone user-create --name admin --pass openstack keystone role-create --name admin keystone tenant-create --name admin keystone user-role-add --user admin --role admin --tenant admin vim /root/keystone_admin export OS_USERNAME=admin export OS_TENANT_NAME=admin export OS_PASSWORD=openstack export OS_AUTH_URL=http://192.168.137.172:35357/v2.0/ export PS1='[\u@\h \W(keystone_admin)]\$' export SERVICE_TOKEN=`cat /root/ks_admin_token` export SERVICE_ENDPOINT=http://192.168.137.172:35357/v2.0 keystone user-list keystone role-list keystone role-create --name Member keystone user-create --name usera --pass openstack keystone tenant-create --name tenanta keystone user-role-add --user usera --role Member --tenant tenanta keystone user-create --name userb --pass openstack keystone tenant-create --name tenantb keystone user-role-add --user userb --role Member --tenant tenantb yum install -y openstack-glance openstack-utils python-kombu python-anyjson keystone service-create --name glance --type image --description "Glance Image Service haoning" keystone endpoint-create --service glance --publicurl "http://192.168.137.172:9292" --adminurl "http://192.168.137.172:9292" --internalurl "http://192.168.137.172:9292" --region wuhan openstack-config --set /etc/glance/glance-api.conf DEFAULT sql_connection mysql://glance:glance@192.168.137.172/glance openstack-config --set /etc/glance/glance-registry.conf DEFAULT sql_connection mysql://glance:glance@192.168.137.172/glance openstack-config --set /etc/glance/glance-api.conf paste_deploy flavor keystone openstack-config --set /etc/glance/glance-api.conf keystone_authtoken auth_host 192.168.137.172 openstack-config --set /etc/glance/glance-api.conf keystone_authtoken auth_port 35357 openstack-config --set /etc/glance/glance-api.conf keystone_authtoken auth_protocol http openstack-config --set /etc/glance/glance-api.conf keystone_authtoken admin_tenant_name admin openstack-config --set /etc/glance/glance-api.conf keystone_authtoken admin_user admin openstack-config --set /etc/glance/glance-api.conf keystone_authtoken admin_password openstack openstack-config --set /etc/glance/glance-registry.conf paste_deploy flavor keystone openstack-config --set /etc/glance/glance-registry.conf keystone_authtoken auth_host 192.168.137.172 openstack-config --set /etc/glance/glance-registry.conf keystone_authtoken auth_port 35357 openstack-config --set /etc/glance/glance-registry.conf keystone_authtoken auth_protocol http openstack-config --set /etc/glance/glance-registry.conf keystone_authtoken admin_tenant_name admin openstack-config --set /etc/glance/glance-registry.conf keystone_authtoken admin_user admin openstack-config --set /etc/glance/glance-registry.conf keystone_authtoken admin_password openstack openstack-config --set /etc/glance/glance-api.conf DEFAULT notifier_strategy noop; openstack-db --init --service glance --password glance --rootpw openstack; chown -R glance:glance /etc/glance chown -R glance:glance /var/lib/glance chown -R glance:glance /var/log/glance chkconfig openstack-glance-api on chkconfig openstack-glance-registry on service openstack-glance-api start service openstack-glance-registry start source /root/keystone_admin glance image-list glance image-create --name "redhat6.5" --disk-format qcow2 --container-format bare --is-public true --file net.img /var/lib/glance/images --------------------------- horizon: yum install -y mod_wsgi httpd mod_ssl memcached python-memcached openstack-dashboard /etc/openstack-dashboard/local_settings 打开下面几行的注释(这里不能人空格,python的语法要求) CACHES = { 'default': { 'BACKEND' : 'django.core.cache.backends.memcached.MemcachedCache', 'LOCATION' : '127.0.0.1:11211', } } 修改如下几行 ALLOWED_HOSTS = ['*'] OPENSTACK_HOST = "192.168.137.21" chown -R apache:apache /etc/openstack-dashboard/ /var/lib/openstack-dashboard/; chkconfig httpd on chkconfig memcached on service httpd start service memcached start ----------------------- 网络节点Network安装 防火墙配置(本步略过,因为网络和管理都在虚机A上) 编辑 /etc/sysconfig/iptables 文件,将filter 中添加防火墙规则全部删掉. 重新启动防火墙 /etc/init.d/iptables restart yum install openvswitch chkconfig openvswitch on service openvswitch start [root@net ~]# service openvswitch start /etc/openvswitch/conf.db does not exist ... (warning). Creating empty database /etc/openvswitch/conf.db [ OK ] Starting ovsdb-server [ OK ] Configuring Open vSwitch system IDs [ OK ] Inserting openvswitch module [ OK ] Starting ovs-vswitchd [ OK ] Enabling remote OVSDB managers [ OK ] [root@net ~]# ifconfig ip link show yum install iproute dnsmasq dnsmasq-utils 切换回control节点 mysql -u root -popenstack CREATE DATABASE neutron; GRANT ALL ON neutron.* TO neutron @'%' IDENTIFIED BY 'neutron'; GRANT ALL ON neutron.* TO neutron @'localhost' IDENTIFIED BY 'neutron'; FLUSH PRIVILEGES; CREATE DATABASE nova; GRANT ALL ON nova.* TO nova @'%' IDENTIFIED BY 'nova'; GRANT ALL ON nova.* TO nova @'localhost' IDENTIFIED BY 'nova'; FLUSH PRIVILEGES; keystone service-create --name neutron --type network --description "Neutron Networking Service haoning" keystone endpoint-create --service neutron --publicurl "http://192.168.137.174:9696" --adminurl "http://192.168.137.174:9696" --internalurl "http://192.168.137.174:9696" --region wuhan 切换回网络节点: yum install openstack-neutron python-kombu python-amqplib python-pyudev python-stevedore openstack-utils openstack-neutron-openvswitch openvswitch openstack-config --set /etc/neutron/neutron.conf DEFAULT auth_strategy keystone openstack-config --set /etc/neutron/neutron.conf keystone_authtoken auth_host 192.168.137.172 openstack-config --set /etc/neutron/neutron.conf keystone_authtoken admin_tenant_name admin openstack-config --set /etc/neutron/neutron.conf keystone_authtoken admin_user admin openstack-config --set /etc/neutron/neutron.conf keystone_authtoken admin_password openstack openstack-config --set /etc/neutron/neutron.conf DEFAULT rpc_backend neutron.openstack.common.rpc.impl_kombu openstack-config --set /etc/neutron/neutron.conf DEFAULT rabbit_host 192.168.137.172 openstack-config --set /etc/neutron/neutron.conf DEFAULT core_plugin neutron.plugins.openvswitch.ovs_neutron_plugin.OVSNeutronPluginV2 openstack-config --set /etc/neutron/neutron.conf DEFAULT control_exchange neutron openstack-config --set /etc/neutron/neutron.conf database connection mysql://neutron:neutron@192.168.137.172/neutron openstack-config --set /etc/neutron/neutron.conf DEFAULT allow_overlapping_ips True 修改完检查[default]可能多一个 chkconfig neutron-server on ovs-vsctl add-br br-int ln -s /etc/neutron/plugins/openvswitch/ovs_neutron_plugin.ini /etc/neutron/plugin.ini -f openstack-config --set /etc/neutron/plugin.ini OVS tenant_network_type gre openstack-config --set /etc/neutron/plugin.ini OVS tunnel_id_ranges 1:1000 openstack-config --set /etc/neutron/plugin.ini OVS enable_tunneling True openstack-config --set /etc/neutron/plugin.ini OVS local_ip 192.168.137.174 openstack-config --set /etc/neutron/plugin.ini OVS integration_bridge br-int openstack-config --set /etc/neutron/plugin.ini OVS tunnel_bridge br-tun openstack-config --set /etc/neutron/plugin.ini SECURITYGROUP firewall_driver neutron.agent.linux.iptables_firewall.OVSHybridIptablesFirewallDriver chkconfig neutron-openvswitch-agent on /etc/neutron/dhcp_agent.ini openstack-config --set /etc/neutron/dhcp_agent.ini DEFAULT interface_driver neutron.agent.linux.interface.OVSInterfaceDriver openstack-config --set /etc/neutron/dhcp_agent.ini DEFAULT dhcp_driver neutron.agent.linux.dhcp.Dnsmasq openstack-config --set /etc/neutron/dhcp_agent.ini DEFAULT use_namespaces True chkconfig neutron-dhcp-agent on 配置neutron L3 agent ovs-vsctl add-br br-ex ovs-vsctl add-port br-ex eth2 ip addr add 192.168.100.231/24 dev br-ex ip link set br-ex up echo "ip addr add 192.168.100.231/24 dev br-ex" >> /etc/rc.local /etc/neutron/l3_agent.ini openstack-config --set /etc/neutron/l3_agent.ini DEFAULT interface_driver neutron.agent.linux.interface.OVSInterfaceDriver openstack-config --set /etc/neutron/l3_agent.ini DEFAULT user_namespaces True openstack-config --set /etc/neutron/l3_agent.ini DEFAULT external_network_bridge br-ex openstack-config --set /etc/neutron/l3_agent.ini DEFAULT enable_metadata_proxy True; 检查default chkconfig neutron-l3-agent on /etc/neutron/metadata_agent.ini 先把auth_region 这一行注释掉 没装swift就不用注释这个 然后安装下面的命令修改其他选项 #openstack-config --set /etc/neutron/metadata_agent.ini DEFAULT auth_region swift openstack-config --set /etc/neutron/metadata_agent.ini DEFAULT auth_url http://192.168.137.172:35357/v2.0 openstack-config --set /etc/neutron/metadata_agent.ini DEFAULT admin_tenant_name admin openstack-config --set /etc/neutron/metadata_agent.ini DEFAULT admin_user admin openstack-config --set /etc/neutron/metadata_agent.ini DEFAULT admin_password openstack openstack-config --set /etc/neutron/metadata_agent.ini DEFAULT nova_metadata_ip 192.168.137.173 openstack-config --set /etc/neutron/metadata_agent.ini DEFAULT metadata_proxy_shared_secret awcloud chkconfig neutron-metadata-agent on neutron-db-manage --config-file /usr/share/neutron/neutron-dist.conf --config-file /etc/neutron/neutron.conf --config-file /etc/neutron/plugin.ini upgrade head chown -R neutron:neutron /etc/neutron chkconfig --list|grep neutron|grep 3:on service neutron-openvswitch-agent restart service neutron-l3-agent restart service neutron-dhcp-agent restart service neutron-metadata-agent restart service neutron-server restart neutron agent-list neutron net-list 计算节点------------192.168.137.173 /etc/sysconfig/iptables 清空 openvswitch yum update -y iproute dnsmasq dnsmasq-utils yum install openstack-nova openstack-utils python-kombu python-amqplib openstack-neutron-openvswitch dnsmasq-utils python-stevedore keystone service-create --name compute --type compute --description "OpenStack Compute Service haoning" keystone endpoint-create --service compute --publicurl "http://192.168.137.173:8774/v2/%(tenant_id)s" --adminurl "http://192.168.137.173:8774/v2/%(tenant_id)s" --internalurl "http://192.168.137.173:8774/v2/%(tenant_id)s" --region wuhan openstack-config --set /etc/nova/nova.conf database connection mysql://nova:nova@192.168.137.172/nova; openstack-config --set /etc/nova/nova.conf DEFAULT rabbit_host 192.168.137.172; openstack-config --set /etc/nova/nova.conf DEFAULT my_ip 192.168.137.173; openstack-config --set /etc/nova/nova.conf DEFAULT vncserver_listen 0.0.0.0; openstack-config --set /etc/nova/nova.conf DEFAULT vnc_enabled True openstack-config --set /etc/nova/nova.conf DEFAULT vncserver_proxyclient_address 192.168.137.173; openstack-config --set /etc/nova/nova.conf DEFAULT novncproxy_base_url http://192.168.137.173:6080/vnc_auto.html; openstack-config --set /etc/nova/nova.conf DEFAULT auth_strategy keystone; openstack-config --set /etc/nova/nova.conf DEFAULT rpc_backend nova.openstack.common.rpc.impl_kombu; openstack-config --set /etc/nova/nova.conf DEFAULT glance_host 192.168.137.172; openstack-config --set /etc/nova/nova.conf DEFAULT api_paste_config /etc/nova/api-paste.ini; openstack-config --set /etc/nova/nova.conf keystone_authtoken auth_host 192.168.137.172; openstack-config --set /etc/nova/nova.conf keystone_authtoken auth_port 5000; openstack-config --set /etc/nova/nova.conf keystone_authtoken auth_protocol http; openstack-config --set /etc/nova/nova.conf keystone_authtoken auth_version v2.0; openstack-config --set /etc/nova/nova.conf keystone_authtoken admin_user admin; openstack-config --set /etc/nova/nova.conf keystone_authtoken admin_tenant_name admin; openstack-config --set /etc/nova/nova.conf keystone_authtoken admin_password openstack; openstack-config --set /etc/nova/nova.conf DEFAULT enabled_apis ec2,osapi_compute,metadata; openstack-config --set /etc/nova/nova.conf DEFAULT firewall_driver nova.virt.firewall.NoopFirewallDriver; openstack-config --set /etc/nova/nova.conf DEFAULT network_manager nova.network.neutron.manager.NeutronManager; openstack-config --set /etc/nova/nova.conf DEFAULT service_neutron_metadata_proxy True; openstack-config --set /etc/nova/nova.conf DEFAULT neutron_metadata_proxy_shared_secret awcloud; openstack-config --set /etc/nova/nova.conf DEFAULT network_api_class nova.network.neutronv2.api.API; openstack-config --set /etc/nova/nova.conf DEFAULT neutron_use_dhcp True; openstack-config --set /etc/nova/nova.conf DEFAULT neutron_url http://192.168.137.174:9696; openstack-config --set /etc/nova/nova.conf DEFAULT neutron_admin_username admin; openstack-config --set /etc/nova/nova.conf DEFAULT neutron_admin_password openstack; openstack-config --set /etc/nova/nova.conf DEFAULT neutron_admin_tenant_name admin; openstack-config --set /etc/nova/nova.conf DEFAULT neutron_region_name beijing; openstack-config --set /etc/nova/nova.conf DEFAULT neutron_admin_auth_url http://192.168.137.172:5000/v2.0; openstack-config --set /etc/nova/nova.conf DEFAULT neutron_auth_strategy keystone; openstack-config --set /etc/nova/nova.conf DEFAULT security_group_api neutron; openstack-config --set /etc/nova/nova.conf DEFAULT linuxnet_interface_driver nova.network.linux_net.LinuxOVSInterfaceDriver; openstack-config --set /etc/nova/nova.conf libvirt vif_driver nova.virt.libvirt.vif.LibvirtGenericVIFDriver; /etc/nova/nova.conf 如果机器cpu不支持全虚拟化,需要修改 /etc/nova/nova.conf virt_type=kvm ===》 virt_type=qemu chkconfig openstack-nova-consoleauth on chkconfig openstack-nova-api on chkconfig openstack-nova-scheduler on chkconfig openstack-nova-conductor on chkconfig openstack-nova-compute on chkconfig openstack-nova-novncproxy on [root@compute ~]# chkconfig openvswitch on [root@compute ~]# service openvswitch start scp -r root@192.168.137.174:/etc/neutron /etc 修改 vi /etc/neutron/plugins/openvswitch/ovs_neutron_plugin.ini local_ip = 192.168.137.173 首先确保 在173上能mysql -unova -h192.168.137.172 -pnova 访问172的数据库 nova-manage db sync chown -R neutron:neutron /etc/neutron/* chkconfig neutron-openvswitch-agent on service neutron-openvswitch-agent start service neutron-openvswitch-agent restart service openstack-nova-conductor restart service openstack-nova-api restart service openstack-nova-scheduler restart service openstack-nova-compute restart service openstack-nova-consoleauth restart service openstack-nova-novncproxy restart http://192.168.137.172/dashboard admin openstack
发表评论
-
br0和tap0的互相影响
2019-01-02 19:17 815转载 http://www.cnblogs.com/wlei/ ... -
M版openstack(ovs,dvr,动态迁移)
2017-06-09 10:30 1788主要内容 1.先搭建三个节点的环境,dvr模式 2.建一个vm ... -
M版本的openstack的例子(linuxbridge)
2017-05-23 15:05 558做两个节点控制节点和计算节点 mcontroller521 ... -
openstack的topo图
2016-09-07 14:07 630http://haoningabc.iteye.com/blo ... -
openstack的M版本的neutron的实验
2016-09-01 20:00 3131试验步骤: 1.创建内部 ... -
openstack的M版本安装
2016-08-17 13:33 1058参考 http://docs.openstack.org/mi ... -
linux下TUN/TAP虚拟网卡的使用
2016-03-31 18:46 4882tun在网络层 tap在二层 ls ... -
openstack L版本(openvswitch的安装和应用)
2016-03-24 15:04 3021参考L版本的linuxbridge的安装方式 和k版本的ov ... -
openstack试验(linux vxlan)
2016-03-22 22:27 2727yum install centos-release-open ... -
backup a libvirt xml
2016-03-18 21:23 569<domain type='kvm' id='2'> ... -
neutron router试验
2016-03-17 20:41 966上接 http://haoningabc.iteye.com/ ... -
openstack L版本(使用linux bridge的vxlan)
2016-03-12 23:35 2379参考 http://docs.openstack.org/li ... -
openstack的L版本安装(flat网络)
2016-03-07 17:55 980参考http://docs.openstack.org ... -
openstack调试 数据库跟踪
2016-03-04 18:07 717查看openstack代码 openstack每个命令之后,数 ... -
使用devstack安装magnum
2015-11-18 21:22 1431在redhat6.5上建立个centos7的虚拟机,使用cen ... -
openstack安装笔记 nova (未完成)(七)
2015-02-05 18:15 1161编辑 /etc/sysconfig/iptables ... -
openstack安装笔记 Neutron(未完成)(六)
2015-02-05 18:10 809验证 keystone role-list keysto ... -
openstack安装笔记 Horizon(五)
2015-02-04 16:08 2030适用的django 导入key cd /var/www/ht ... -
openstack安装笔记 swift(四)
2015-02-04 14:54 3040所有的安装都是yum 改配置 在keystone库中写serv ... -
openstack安装笔记 环境(零)
2015-02-04 12:18 1056在mac上用vmware rhel6.5 搭建openstac ...
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OpenStack全脚本安装实现版 OpenStack是当前流行的开源云计算平台,本文将指导读者通过笔记本创建虚拟机搭建OpenStack平台,...通过本文的指导,读者可以快速搭建OpenStack平台,并了解OpenStack的安装和配置过程。
- `setsockopt`:设置套接字选项,如启用快速确认 (`TCP_QUICKACK`)。 - `ioctl`:执行设备相关的输入/输出操作。 - `lseek`:更改文件位置指示器的位置。 ### 4. 性能监控与故障排查 通过 strace 输出的日志,可以...
《CL210 RedHat-OpenStack超详细学习笔记》 OpenStack是一个开源的云计算平台,其中Glance组件是Image Service的核心,它负责管理和分发虚拟机镜像,以实现高效、灵活的云环境部署。在传统的IT环境中,安装和配置...
这种方法不仅减少了初次安装的时间消耗,而且后续的新部署可以通过快速复制Image来实现,极大地提升了工作效率和灵活性。 ##### 1.2 Glance的功能解析 - **Glance的角色**:在OpenStack中,Glance负责提供Image ...
Cobbler是一个Linux安装服务器,能够快速设置网络安装环境,为新机器提供自动化的安装和配置服务。在Mirantis OpenStack 5.x版本之前,Fuel使用Cobbler来部署OpenStack环境。 Compute Node(计算节点)是OpenStack...
ceph手动部署+openstack任意版本对接。个人部署3台服务器,双网卡通信数据分离的完整可行案例笔记。其中包含的使用ceph-deploy部署,以及与任意版本openstack对接笔记,坑点红字注明,便于大家快速部署实验环境
4. **快速弹性和可扩展性**:资源可以根据需求快速增加或减少。 5. **计量服务**:用户按照实际使用的资源量付费。 根据提供的基础设施和服务类型的不同,云计算可以分为以下几个层次: - **基础设施即服务 (IaaS)...
总的来说,通过使用Fuel安装工具,即使是OpenStack的新手用户也能够较为轻松地完成安装,快速开始在OpenStack环境中进行开发和部署。这对于希望接触和学习云计算技术的开发者来说,是一个非常有价值的工具。
OpenStack教育行业云计算整体解决方案旨在解决教育领域的诸多挑战,包括个性化学习需求、信息技术的快速更新、资源的安全接入以及信息共享的难题。 首先,教育行业的现状与挑战在于教育教学改革对教育信息化提出的...
在Linux环境下安装Python MySQLdb可能会遇到一些挑战,本文将详细介绍两种安装方法:快速安装和手动编译安装。 1. **快速安装** 最快捷的方法是通过包管理器进行安装。在基于Red Hat的Linux发行版(如CentOS、...
【Python学习笔记】 Python是一种高级编程语言,以其简洁明了的语法和强大的功能著称。它的设计理念强调代码的可读性和简洁性,如"Beautiful is better than ugly"、"Explicit is better than implicit"等原则。...
这样做的好处是能够快速地扩展或缩小计算能力,以满足业务需求的变化。此外,云计算还提供了高度自动化和自我服务的能力,使得用户可以自行配置和管理他们的资源。 ### 二、云计算与虚拟化的关系 云计算依赖于虚拟...
此外,openstack这个开源的云计算平台也是用Python编写的。 四、Python与其他语言的对比 Python与其他语言相比,Python的运行速度较慢,但是代码量较少。这使得Python非常适合快速开发和原型设计。下表是Python与...
综上所述,云原生学习笔记中所涉及的知识点包括了云原生定义、敏捷基础设施、微服务架构、持续集成与持续交付,以及CNCF全景图的介绍。这些知识点是理解现代云计算环境,特别是容器化应用和云原生技术所必需的。通过...
# SpringCloud课堂笔记知识点解析 ## 一、微服务概述 ### 1.1 微服务定义 微服务架构作为一种新兴的设计模式,旨在通过将单个应用程序分解为多个小型、独立的服务来提升软件的可扩展性和灵活性。这些服务通常遵循...
课程强调实用性,通过生动的案例和实际开发中的问题来讲解,使学习者能够快速掌握Java编程技巧,并具备解决实际问题的能力。 2. **JAVA就业方向** - 学习Java后,可以从事Web开发、Android应用开发、企业级应用...
- **DevStack**:是快速部署OpenStack开发环境的工具,简化了安装过程,适合开发者和测试人员使用。它包含了安装OpenStack所需的所有软件包和配置脚本。 - **下载newton版本的devstack.txt**:这可能是一个记录了...