作者：da

CentOS 7.5 安装 Openstack Rocky (allinone)

操作系统：CentOS 7.5
服务器：酷睿E8600+8G+SSD128G

一、安装openstack rocky
https://www.rdoproject.org/install/packstack/

systemctl disable firewalld
systemctl stop firewalld
systemctl disable NetworkManager
systemctl stop NetworkManager
systemctl enable network
systemctl start network

yum install -y https://rdoproject.org/repos/rdo-release.rpm
这一步安装好后，最好将相关repo文件中的url修改为国内仓库，速度会快很多，如中科大http://mirrors.ustc.edu.cn/

yum install -y centos-release-openstack-rocky

yum-config-manager –enable openstack-rocky

yum update -y 继续阅读“CentOS 7.5 安装 Openstack Rocky (allinone)”

OpenStack 版本历史和生命周期 2019.04.28

 

 

Series Status Initial Release Date Next Phase EOL Date
Train Development 2019-10-16 estimated(schedule) Maintained estimated 2019-10-16
Stein Maintained 2019-04-10 Extended Maintenanceestimated 2020-10-10
Rocky Maintained 2018-08-30 Extended Maintenanceestimated 2020-02-24
Queens Maintained 2018-02-28 Extended Maintenanceestimated 2019-08-25
Pike Maintained 2017-08-30 Extended Maintenanceestimated 2019-03-03
Ocata Extended Maintenance 2017-02-22 Unmaintainedestimated TBD
Newton End Of Life 2016-10-06 2017-10-25
Mitaka End Of Life 2016-04-07 2017-04-10
Liberty End Of Life 2015-10-15 2016-11-17
Kilo End Of Life 2015-04-30 2016-05-02
Juno End Of Life 2014-10-16 2015-12-07
Icehouse End Of Life 2014-04-17 2015-07-02
Havana End Of Life 2013-10-17 2014-09-30
Grizzly End Of Life 2013-04-04 2014-03-29
Folsom End Of Life 2012-09-27 2013-11-19
Essex End Of Life 2012-04-05 2013-05-06
Diablo End Of Life 2011-09-22 2013-05-06
Cactus End Of Life 2011-04-15
Bexar End Of Life 2011-02-03
Austin End Of Life 2010-10-21

https://releases.openstack.org/

excel一些数据统计公式

平常时不时需要核对各种数据，比如两张表记录有何差异，多了哪个少了哪个，或者是一张小表需要从一张大表中提取信息，需要及时定位和统计出来。

1、双条件统计个数countif
=COUNTIFS(D$2:D$11,A16,B$2:B$11,”男”)
跨表查询如下：
=COUNTIFS(我的表1!D$2:D$11,A23,我的表1!B$2:B$11,”男”) 继续阅读“excel一些数据统计公式”

CentOS 7.6安装ELK 7.0.0(elasticsearch+kibana+logstash)

1、安装elk：elasticsearch+kibana+logstash

方法一：
使用elk官方的yum源，直接yum在线安装，缺点是网速很慢要等很久。

新增yum源elasticsearch
cat >>/etc/yum.repos.d/elasticsearch.repo <<EOF
[elasticsearch-7.x]
name=Elasticsearch repository for 7.x packages
baseurl=https://artifacts.elastic.co/packages/7.x/yum
gpgcheck=0
gpgkey=https://artifacts.elastic.co/GPG-KEY-elasticsearch
enabled=1
autorefresh=1
type=rpm-md
EOF 继续阅读“CentOS 7.6安装ELK 7.0.0(elasticsearch+kibana+logstash)”

CentOS 7.6安装Cobbler 2.8.4

操作系统： CentOS7.6
cobbler：cobbler-2.8.4-4，IP地址为192.168.1.108

先关闭selinux和防火墙： firewalld selinux 关闭

1、安装

rpm -ivh https://dl.fedoraproject.org/pub/epel/epel-release-latest-7.noarch.rpm

yum install -y tftp-server httpd dhcp yum-utils cobbler cobbler-web cman debmirror xinetd rsync pykickstart fence-agents createrepo

解决web访问cobbler报错
yum install -y python2-pip
pip install Django==1.8.9

2、设置开机自启动

sed -i ‘/disable/c\\tdisable\t\t\t= no’ /etc/xinetd.d/tftp
sed -i -e ‘s/\=\ yes/\=\ no/g’ /etc/xinetd.d/rsync
systemctl enable cobblerd.service
systemctl enable dhcpd.service
systemctl enable httpd.service
systemctl enable xinetd.service
systemctl enable rsyncd.service 继续阅读“CentOS 7.6安装Cobbler 2.8.4”

RHEL 6.7下安装Ceph 0.80.11的过程

系统环境：
rhel6.7,挂载iso源
ceph0.8.11

一、安装ceph
lvextend -L +50G /dev/mapper/vg_system-lv_root
resize2fs /dev/mapper/vg_system-lv_root
yum install -y automake autoconf automake libtool make snappy snappy-devel libblkid libblkid-devel libudev libudev-devel expat expat-devel fuse fuse-devel libaio-devel xfsprogs-devel boost* ncurses-devel expect redhat-lsb
rpm -ivh leveldb-1.7.0-2.el6.x86_64.rpm
rpm -ivh leveldb-devel-1.7.0-2.el6.x86_64.rpm
rpm -ivh cryptopp-5.6.2-9.el6.x86_64.rpm
rpm -ivh cryptopp-devel-5.6.2-9.el6.x86_64.rpm
rpm -ivh libedit-devel-2.11-4.20080712cvs.1.el6.x86_64.rpm
cd /root/ 继续阅读“RHEL 6.7下安装Ceph 0.80.11的过程”

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