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Docker安装（CentOS7环境）

Docker安装下载yum源 curl https://download.docker.com/linux/centos/docker-ce.repo -o /etc/yum.repos.d/docker.repo

2017-11-23

CentOS7操作系统安装教程

操作系统镜像文件：CentOS-7-x86_64-DVD-1708 第一步：下载操作系统镜像文件，地址如下： http://www.centoscn.com/CentosSoft/iso/2017/1119

2017-11-23

1、把相关软件包所有下载到本地机器 wget -np -nH –cut-dirs=1 -r -c -L –exclude-directories=repodata –accept=rpm,gz,xml http://repos.fedorapeople.org/repos/openstack/openstack-icehouse/epel-6/ -P /opt/epel6 wget參数介绍 -r,–recursive 下载整个站点、文件夹 -nH, –no-host-directories 不创建主机文件夹 -P, –directory-prefix=PREFIX 将文件保存到文件夹PREFIX/… –cut-dirs=NUMBER 忽略 NUMBER层远程文件夹 -k, –convert-links 转换非相对链接为相对链接 -I, –include-directories=LIST 同意文件夹的列表 -X, –exclude-directories=LIST 不被包括文件夹的列表 -np, –no-parent 不要追溯到父文件夹 -A, –accept=LIST 分号分隔的被接受扩展名的列表 -R, –reject=LIST 分号分隔的不被接受的扩展名的列表 -c, –continue 接着下载没下载完的文件 -L, –relative 只跟踪相对链接 2、创建repodata信息 createrepo -p -d -o /opt/epel6 /opt/epel6 3、配置httpserver。将根文件夹指到/opt/epel6 yum install -y httpd rm -rf /var/www/html ln -s /opt/epel6/var/www/html service httpd start 4. 创建rdo-release.repo文件[openstack-icehouse] name=OpenStack Icehouse Repository baseurl=http://10.0.0.137/epel6/ enabled=1 gpgcheck=05、把生成的rdo-release.repo文件传到client的/etc/yum.repos.d/文件夹下，就可以本文转自mfrbuaa博客园博客，原文链接：http://www.cnblogs.com/mfrbuaa/p/5075570.html，如需转载请自行联系原作者

2017-11-22

Openstack Mitaka for Centos7.2 部署指南（三）

4.7块存储服务配置（Block Storage Service Cinder）部署节点：Controller Node mysql -u root -p123456 CREATE DATABASE cinder; GRANT ALL PRIVILEGES ON cinder.* TO 'cinder'@'localhost' \ IDENTIFIED BY 'cinder'; GRANT ALL PRIVILEGES ON cinder.* TO 'cinder'@'%' \ IDENTIFIED BY 'cinder'; openstack user create --domain default --password-prompt cinder openstack role add --project service --user cinder admin openstack service create --name cinder --description "OpenStack Block Storage" volume openstack service create --name cinderv2 --description "OpenStack Block Storage" volumev2 openstack endpoint create --region RegionOne volume public http://controller:8776/v1/%\(tenant_id\)s openstack endpoint create --region RegionOne volume internal http://controller:8776/v1/%\(tenant_id\)s openstack endpoint create --region RegionOne volume admin http://controller:8776/v1/%\(tenant_id\)s openstack endpoint create --region RegionOne volumev2 public http://controller:8776/v2/%\(tenant_id\)s openstack endpoint create --region RegionOne volumev2 internal http://controller:8776/v2/%\(tenant_id\)s openstack endpoint create --region RegionOne volumev2 admin http://controller:8776/v2/%\(tenant_id\)s 安装和配置Cinder服务组件 yum install openstack-cinder 修改配置文件sudo vi /etc/cinder/cinder.conf connection = mysql+pymysql://cinder:cinder@controller/cinder [oslo_messaging_rabbit] rabbit_host = controller rabbit_userid = openstack rabbit_password = openstack [DEFAULT] ... auth_strategy = keystone [keystone_authtoken] ... auth_uri = http://controller:5000 auth_url = http://controller:35357 memcached_servers = controller:11211 auth_type = password project_domain_name = default user_domain_name = default project_name = service username = cinder password = cinder [DEFAULT] ... my_ip = 10.0.0.11 [oslo_concurrency] lock_path = /var/lib/cinder/tmp su -s /bin/sh -c "cinder-manage db sync" cinder 配置计算服务调用块存储服务修改配置文件sudo vi /etc/nova/nova.conf，添加如下信息： [cinder] os_region_name = RegionOne systemctl restart openstack-nova-api.service systemctl start openstack-cinder-api.service openstack-cinder-scheduler.service systemctl enable openstack-cinder-api.service openstack-cinder-scheduler.service 部署节点：BlockStorage Node [root@blockstorage ~]# yum install lvm2 systemctl enable lvm2-lvmetad.service systemctl start lvm2-lvmetad.service [root@blockstorage ~]# pvcreate /dev/sdb Physical volume "/dev/sdb" successfully created # vgcreate cinder-volumes /dev/sdb Volume group "cinder-volumes" successfully created 配置只有OpenStack实例才可以访问块存储卷修改配置文件sudo vi /etc/lvm/lvm.conf，在devices处添加一个过滤器，使OpenStack实例只允许访问/dev/sdb。 devices { ... filter = [ "a/sdb/", "r/.*/"] 安装配置块存储服务组件 yum install openstack-cinder targetcli python-keystone 修改配置文件sudo vi /etc/cinder/cinder.conf [database] connection = mysql+pymysql://cinder:cinder@controller/cinder [DEFAULT] rpc_backend = rabbit [oslo_messaging_rabbit] rabbit_host = controller rabbit_userid = openstack rabbit_password = openstack [DEFAULT] auth_strategy = keystone [keystone_authtoken] auth_uri = http://controller:5000 auth_url = http://controller:35357 memcached_servers = controller:11211 auth_type = password project_domain_name = default user_domain_name = default project_name = service username = cinder password = cinder [DEFAULT] my_ip = 10.0.0.41 [lvm] volume_driver = cinder.volume.drivers.lvm.LVMVolumeDriver volume_group = cinder-volumes iscsi_protocol = iscsi iscsi_helper = tgtadm [DEFAULT] enabled_backends = lvm [DEFAULT] glance_api_servers = http://controller:9292 [oslo_concurrency] lock_path = /var/lib/cinder/tmp systemctl start openstack-cinder-volume.service target.service systemctl enable openstack-cinder-volume.service target.service [root@controller ~]# cinder service-list +------------------+------------------+------+---------+-------+----------------------------+-----------------+ | Binary | Host | Zone | Status | State | Updated_at | Disabled Reason | +------------------+------------------+------+---------+-------+----------------------------+-----------------+ | cinder-scheduler | controller | nova | enabled | up | 2016-09-03T14:19:51.000000 | - | | cinder-volume | blockstorage@lvm | nova | enabled | up | 2016-09-03T14:19:27.000000 | - | +------------------+------------------+------+---------+-------+----------------------------+-----------------+ 4.9对象存储服务配置（Object Storage Service Swift）通过REST API提供对象存储和检索服务。部署节点：Controller Node openstack user create --domain default --password-prompt swift openstack role add --project service --user swift admin openstack service create --name swift --description "OpenStack Object Storage" object-store openstack endpoint create --region RegionOne object-store public http://controller:8080/v1/AUTH_%\(tenant_id\)s openstack endpoint create --region RegionOne object-store admin http://controller:8080/v1 yum install openstack-swift-proxy python-swiftclient python-keystoneclient python-keystonemiddleware memcached 从对象存储软件源仓库下载对象存储代理服务配置文件 curl -o /etc/swift/proxy-server.conf https://git.openstack.org/cgit/openstack/swift/plain/etc/proxy-server.conf-sample?h=stable/mitaka 修改配置文件sudo vi /etc/swift/proxy‐server.conf。 [DEFAULT] ... bind_port = 8080 user = swift swift_dir = /etc/swift 在[pipeline:main] 处移除tempurl 和tempauth 模块，并添加authtoken 和keystoneauth 模块 [pipeline:main] pipeline = catch_errors gatekeeper healthcheck proxy-logging cache container_sync bulk ratelimit authtoken keystoneauth container-quotas account-quotas slo dlo versioned_writes proxy-logging proxy-server [app:proxy-server] use = egg:swift#proxy account_autocreate = True [filter:keystoneauth] use = egg:swift#keystoneauth operator_roles = admin,user [filter:authtoken] paste.filter_factory = keystonemiddleware.auth_token:filter_factory ... auth_uri = http://controller:5000 auth_url = http://controller:35357 memcached_servers = controller:11211 auth_type = password project_domain_name = default user_domain_name = default project_name = service username = swift password = SWIFT_PASS delay_auth_decision = True [filter:cache] use = egg:swift#memcache ... memcache_servers = controller:11211 部署节点：ObjectStorage Node 注：每个对象存储节点都需执行以下步骤 yum install xfsprogs rsync -y # mkfs.xfs /dev/sdb # mkfs.xfs /dev/sdc # mkdir -p /srv/node/sdb # mkdir -p /srv/node/sdc /dev/sdb /srv/node/sdb xfs noatime,nodiratime,nobarrier,logbufs=8 0 2 /dev/sdc /srv/node/sdc xfs noatime,nodiratime,nobarrier,logbufs=8 0 2 # mount /srv/node/sdb # mount /srv/node/sdc vim /etc/rsyncd.conf uid = swift gid = swift log file = /var/log/rsyncd.log pid file = /var/run/rsyncd.pid address = MANAGEMENT_INTERFACE_IP_ADDRESS [account] max connections = 2 path = /srv/node/ read only = False lock file = /var/lock/account.lock [container] max connections = 2 path = /srv/node/ read only = False lock file = /var/lock/container.lock [object] max connections = 2 path = /srv/node/ read only = False lock file = /var/lock/object.lock # systemctl enable rsyncd.service # systemctl start rsyncd.service yum install openstack-swift-account openstack-swift-container openstack-swift-object curl -o /etc/swift/account-server.conf https://git.openstack.org/cgit/openstack/swift/plain/etc/account-server.conf-sample?h=stable/mitaka curl -o /etc/swift/container-server.conf https://git.openstack.org/cgit/openstack/swift/plain/etc/container-server.conf-sample?h=stable/mitaka curl -o /etc/swift/object-server.conf https://git.openstack.org/cgit/openstack/swift/plain/etc/object-server.conf-sample?h=stable/mitaka 修改配置文件sudo vi /etc/swift/account‐server.conf。在[DEFAULT]处配置绑定IP地址、绑定端口、用户、目录和挂载点：注：将下面MANAGEMENT_INTERFACE_IP_ADDRESS替换为对象存储节点Management Network网络接口地址10.0.0.51或10.0.0.52 [DEFAULT] bind_ip = MANAGEMENT_INTERFACE_IP_ADDRESS bind_port = 6002 user = swift swift_dir = /etc/swift devices = /srv/node mount_check = True [pipeline:main] pipeline = healthcheck recon account‐server [filter:recon] use = egg:swift#recon recon_cache_path = /var/cache/swift 修改配置文件sudo vi /etc/swift/container‐server.conf 在[DEFAULT]处配置绑定IP地址、绑定端口、用户、目录和挂载点：注：将下面MANAGEMENT_INTERFACE_IP_ADDRESS替换为对象存储节点Management Network网络接口地址10.0.0.51或10.0.0.52 [DEFAULT] bind_ip = MANAGEMENT_INTERFACE_IP_ADDRESS bind_port = 6001 user = swift swift_dir = /etc/swift devices = /srv/node mount_check = True [pipeline:main] pipeline = healthcheck recon container‐server [filter:recon] use = egg:swift#recon recon_cache_path = /var/cache/swift 修改配置文件sudo vi /etc/swift/object‐server.conf 在[DEFAULT]处配置绑定IP地址、绑定端口、用户、目录和挂载点：注：将下面MANAGEMENT_INTERFACE_IP_ADDRESS替换为对象存储节点Management Network网络接口地址10.0.0.51或10.0.0.52 [DEFAULT] bind_ip = MANAGEMENT_INTERFACE_IP_ADDRESS bind_port = 6000 user = swift swift_dir = /etc/swift devices = /srv/node mount_check = True [pipeline:main] pipeline = healthcheck recon object‐server [filter:recon] use = egg:swift#recon recon_cache_path = /var/cache/swift recon_lock_path = /var/lock chown -R swift:swift /srv/node mkdir -p /var/cache/swift chown -R root:swift /var/cache/swift chmod -R 775 /var/cache/swift 部署节点：Controller Node 创建和分发初始环 cd /etc/swift 创建基础的account.builder文件： [root@controller swift]# swift-ring-builder account.builder create 10 3 1 将每个对象存储节点设备添加到账户环： swift-ring-builder account.builder add --region 1 --zone 1 --ip STORAGE_NODE_MANAGEMENT_INTERFACE_IP_ADDRESS --port 6002 --device DEVICE_NAME --weight DEVICE_WEIGHT 注：将STORAGE_NODE_MANAGEMENT_INTERFACE_IP_ADDRESS替换为对象存储节点Management Network网络接口地址，将DEVICE_NAME替换为对应的对象存储节点上的存储设备名称，将DEVICE_WEIGHT替换为实际权重值。注：重复以上命令，将每个存储节点上的每个存储设备添加到账户环。例如，本文采用如下命令将每个存储节点上的每个存储设备添加到账户环： swift-ring-builder account.builder add --region 1 --zone 1 --ip 10.0.0.51 --port 6002 --device sdb --weight 100 swift-ring-builder account.builder add --region 1 --zone 1 --ip 10.0.0.51 --port 6002 --device sdc --weight 100 swift-ring-builder account.builder add --region 1 --zone 2 --ip 10.0.0.52 --port 6002 --device sdb --weight 100 swift-ring-builder account.builder add --region 1 --zone 2 --ip 10.0.0.52 --port 6002 --device sdc --weight 100 验证 swift-ring-builder account.builder 平衡账户环： [root@controller swift]# swift-ring-builder account.builder rebalance Reassigned 3072 (300.00%) partitions. Balance is now 0.00. Dispersion is now 0.00 swift-ring-builder container.builder create 10 3 1 swift-ring-builder container.builder add --region 1 --zone 1 --ip 10.0.0.51 --port 6001 --device sdb --weight 100 swift-ring-builder container.builder add --region 1 --zone 1 --ip 10.0.0.51 --port 6001 --device sdc --weight 100 swift-ring-builder container.builder add --region 1 --zone 2 --ip 10.0.0.52 --port 6001 --device sdb --weight 100 swift-ring-builder container.builder add --region 1 --zone 2 --ip 10.0.0.52 --port 6001 --device sdc --weight 100 swift-ring-builder container.builder swift-ring-builder container.builder rebalance swift-ring-builder object.builder create 10 3 1 swift-ring-builder object.builder add --region 1 --zone 1 --ip 10.0.0.51 --port 6000 --device sdb --weight 100 swift-ring-builder object.builder add --region 1 --zone 1 --ip 10.0.0.51 --port 6000 --device sdc --weight 100 swift-ring-builder object.builder add --region 1 --zone 2 --ip 10.0.0.52 --port 6000 --device sdb --weight 100 swift-ring-builder object.builder add --region 1 --zone 2 --ip 10.0.0.52 --port 6000 --device sdc --weight 100 swift-ring-builder object.builder swift-ring-builder object.builder rebalance 分发环配置文件将环配置文件account.ring.gz、container.ring.gz和object.ring.gz拷贝到每个对象存储节点以及代理服务节点的/etc/swift目录。在每个存储节点或代理服务节点执行以下命令： scp root@controller:/etc/swift/*.ring.gz /etc/swift 本文将swift‐proxy部署到controller节点，因此无需再讲环配置文件拷贝到代理服务节点的/etc/swift 目录。若对象存储代理服务swift‐proxy部署在其他节点，则需将环配置文件拷贝到该代理服务节点/etc/swift目录下。添加、分发swift配置文件 ①从对象存储软件源仓库下载配置文件/etc/swift/swift.conf curl -o /etc/swift/swift.conf https://git.openstack.org/cgit/openstack/swift/plain/etc/swift.conf-sample?h=stable/mitaka ②修改配置文件sudo vi /etc/swift/swift.conf 在[swift‐hash]处哈希路径前缀和后缀注：将HASH_PATH_PREFIX和HASH_PATH_SUFFIX替换为前面设计的唯一值。 [swift-hash] ... swift_hash_path_suffix = HASH_PATH_SUFFIX swift_hash_path_prefix = HASH_PATH_PREFIX [storage‐policy:0] name = Policy‐0 default = yes ③分发swift配置文件将/etc/swift/swift.conf拷贝到每个对象存储节点以及代理服务节点的/etc/swift目录。在每个存储节点或代理服务节点执行以下命令： scp root@controller:/etc/swift/swift.conf /etc/swift ④在所有存储节点和代理服务节点上设置swift配置目录所有权 chown -R root:swift /etc/swift 在Controller节点和其他Swift代理服务节点上执行 systemctl enable openstack-swift-proxy.service memcached.service systemctl start openstack-swift-proxy.service memcached.service 在所有对象存储节点上执行 systemctl enable openstack-swift-account.service openstack-swift-account-auditor.service openstack-swift-account-reaper.service openstack-swift-account-replicator.service systemctl start openstack-swift-account.service openstack-swift-account-auditor.service openstack-swift-account-reaper.service openstack-swift-account-replicator.service systemctl enable openstack-swift-container.service openstack-swift-container-auditor.service openstack-swift-container-replicator.service openstack-swift-container-updater.service systemctl start openstack-swift-container.service openstack-swift-container-auditor.service openstack-swift-container-replicator.service openstack-swift-container-updater.service systemctl enable openstack-swift-object.service openstack-swift-object-auditor.service openstack-swift-object-replicator.service openstack-swift-object-updater.service systemctl start openstack-swift-object.service openstack-swift-object-auditor.service openstack-swift-object-replicator.service openstack-swift-object-updater.service swift stat 本文转自 295631788 51CTO博客，原文链接：http://blog.51cto.com/hequan/1846096，如需转载请自行联系原作者

2017-11-17

CentOS 7 部署安装配置 Docker 17.06

1、安装Docker CE CentOS 7 基本仓库是带docker的，但是不是官方的版本，而且版本也比较低，我们推荐使用官方的yum源，而且对以后的升级也很方便。

2017-11-17

centos6服务器搭建heartbeat

实验环境 centos6.5_x64 master eth0 192.168.1.128 eth1 192.168.1.129 slave eth0 192.168.1.130 eth1

2017-11-16

阿里云Centos镜像源和EPEL源

centos镜像参考：http://mirrors.aliyun.com/help/centos CentOS 1、备份 mv /etc/yum.repos.d/CentOS-Base.repo/etc

2017-11-16

Openstack Mitaka for Centos7.2 部署指南（一）

Mitaka for Ubuntu 16.04 LTS 部署指南 http://docs.openstack.org/mitaka/install-guide-rdo/ 官方文档把上面的Ubuntu 换成Centos

2017-11-16

centos下模拟丢包，延时命令总结

linux下模拟丢包，延时命令总结：首先通过ifconfig命令 1.设置延时延时：sudo tc qdisc add dev eth0 root netem delay 30ms 范围内延时(10-50ms)：sudo tc qdisc add dev eth0 root netem delay 30ms 20ms 设置延时30ms，并大约20%包会延迟±10ms 发送 sudo tc qdisc add dev eth0 root netem delay 30ms 20ms 20% 显示延时的设置 : sudo tc qdisc show 修改延时：sudo tc qdisc change dev eth0 root netem delay 40ms 删除延时：sudo tc qdisc del dev eth0 root netem delay 40ms 2.设置丢包丢包：sudo tc qdisc add dev eth0 root netem loss 10% 随机丢掉10%的数据包,成功率为20%：sudo tc qdisc add dev eth0 root netem loss 10% 20% 删除丢包：sudo tc qdisc del dev eth0 root netem loss 10% 3.模拟包重复随机产生1%的重复数据包：sudo tc qdisc add dev eth0 root netem duplicate 1% 4.数据包损坏随机产生 0.2% 的损坏的数据包: sudo tc qdisc add dev eth0 root netem corrupt 0.2% 5.数据包乱序有25%的数据包(50%相关)会被立即发送,其他的延迟10秒： sudo tc qdisc change dev eth0 root netem delay 10ms reorder 25% 50% 6.产看已经配置的网络条件 sudo tc qdisc show dev eth0 7.删除tc规则 sudo tc qdisc del dev eth0 root

2017-11-15

烂泥：centos6 yum方式升级内核

目前我这边使用的OS是centos6.5，内核是2.6版本的，如下： cat /etc/issue uname -r 因为docker的使用需要3.0以上内核的支持，当然也是可以使用2.6的内核，当时可能会出现不可控制的问题

2017-11-15

docker centos7 httpd的小坑

我的寄主机是centos6.7 3.10的内核今天下了个镜像做docker docker容器竟然是centos7 我也是醉了这里说下在apache简单配置里面的坑，由于是验证没有较多的配置只是想实现

2017-11-15

CentOS 6.2 LAMP系统集成与安全

操作系统的选择 Linux 操作系统有很多不同的发行版本，如Red Hat Enterprise Linux 、SUSE Linux Enterprise 、Debian、Ubuntu、CentOS等，

2017-11-14

centos7搭建solr实现全文搜索

二、solr的安装与配置所使用的solr版本:4.10.3 jdk版本:1.8 tomcat版本：7.0.47 1、（1）首先我们来搭建jdk环境，centos7其实本身就是自带openjdk的，输入

2017-11-14

CentOS下结束其他ssh登录用户

限制SSH连接数与手动断开空闲连接也有必要之举，这里写出Linux下手动剔出其他用户的过程。 1、查看系统在线用户 [root@whh ~]# w 14:30:26 up 38 days, 21:22, 3 users, load average: 0.00, 0.01, 0.05 USER TTY FROM LOGIN@ IDLE JCPU PCPU WHAT root pts/0 162.16.16.155 14:30 0.00s 0.07s 0.05s w root pts/1 162.16.16.155 14:30 12.00s 0.01s 0.01s -bash root tty1 :0 05Dec13 38days 2:16 2:16 /usr/bin/Xorg :0 -nr -verbose -audit 4 -auth /var/run/gdm/auth-for-gdm-LrK8wg/database -noliste 2.查看哪个属于此时自己的终端（我开了两个连接） [root@whh ~]# who am i root pts/0 2017-11-13 14:30 (162.16.16.155) 3.pkill掉自己不适用的终端 [root@whh ~]# pkill -kill -t pts/1 4.查看当前终端情况 [root@linuxidc ~]# w 14:31:04 up 38 days, 21:23, 2 users, load average: 0.00, 0.01, 0.05 USER TTY FROM LOGIN@ IDLE JCPU PCPU WHAT root pts/0 162.16.16.155 14:30 0.00s 0.04s 0.01s w root tty1 :0 05Dec13 38days 2:16 2:16 /usr/bin/Xorg :0 -nr -verbose -audit 4 -auth /var/run/gdm/auth-for-gdm-LrK8wg/database -noliste [root@linuxidc ~]# 注意：如果最后查看还是没有干掉，建议加上-9 强制杀死。 [root@whh ~]# pkill -9 -t pts/1

2017-11-14

精选列表

Docker安装（CentOS7环境）

CentOS7操作系统安装教程

centos6搭建本地openstack软件源

Openstack Mitaka for Centos7.2 部署指南（三）

CentOS 7 部署安装配置 Docker 17.06

centos6服务器搭建heartbeat

阿里云Centos镜像源和EPEL源

Openstack Mitaka for Centos7.2 部署指南（一）

centos下模拟丢包，延时命令总结

烂泥：centos6 yum方式升级内核

docker centos7 httpd的小坑

CentOS 6.2 LAMP系统集成与安全

centos7搭建solr实现全文搜索

CentOS下结束其他ssh登录用户

CENTOS6.5 下docker安装和配置

CentOS 6.5 搭建Hadoop 1.2.1集群

CentOS 6.5 搭建Hadoop 2.5.2集群

CentOS中的RPM软件包管理

创建带Tomcat服务的Centos Docker镜像

CentOS 7.4搭建Kubernetes 1.8.5集群

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