AKAI TSUKI

System development or Technical something

Try to install Ceph in CentOS 7 referencing "STORAGE CLUSTER QUICK START"

Before you read this page, please check below page. Install Ceph in CentOS 7. - AKAI TSUKI STORAGE CLUSTER QUICK START Please check this url. http://docs.ceph.com/docs/master/start/quick-ceph-deploy/ Install ceph-deploy tool. [root@ceph04 …

Install Ceph in CentOS 7.

Preparation PREFLIGHT CHECKLIST http://docs.ceph.com/docs/master/start/quick-start-preflight/ I confirmed this url. I use these nodes. node role ip ceph01 mon.node1/osd.0 172.16.10.111/24 ceph02 osd.1 172.16.10.112/24 ceph03 osd.2 172.16.1…

create user by ansible playbook.

To create user repeatedly, ansible is useful. I create playbook for password authorization. [root@cent7devops ansible-test]# cat ./hosts [grp_node] node01 ansible_host=172.16.10.111 ansible_user=root node02 ansible_host=172.16.10.112 ansib…

SVG test

AWX/AnsibleAWX/Ansiblenode01node01execute commandexecute command

use ansible configuration file "ansible.cfg"

I execute following command to specify inventory file "hosts" and vault password file "vault.txt". By preparing ansible.cfg, I don't have to specify inventory file path and vault password file path every time. [root@cent7devops ansible-tes…

I have to study Container.

How Container Runtimes matter in Kubernetes? https://schd.ws/hosted_files/ossalsjp18/95/OSSJP_KubernetesRuntimes.pdf

When I study systemd.

This is useful information page for systemd. systemd - ArchWiki

try to use ansible-vault

When we use ansible, we would like to encrypt secret information like password. Ansbile have ansible-vault command to encrypt. I try ansible-vault command. I create inventory file. [root@cent7devops ansible-test]# cat hosts [test] node01 a…

install ansible 2.5 on centos 7.

[root@localhost ~]# yum install epel-release *snip* Installed: epel-release.noarch 0:7-9 Complete! [root@localhost ~]# [root@localhost ~]# yum --enablerepo=epel install ansible *snip* Installed: ansible.noarch 0:2.5.2-1.el7 Dependency Inst…

Can I create streaming video page?

This is useful !? github.com

When we study java and spring boot and docker.

When we study java and spring boot and docker, please check. https://blog.docker.com/2018/03/video-series-modernizing-java-apps-developers-part-1/ https://blog.docker.com/2018/03/video-series-modernizing-java-apps-developers-part-2/ https:…

I found python-fire library.

github.com This looks good. I will try to use this.

check index infomation by REST API

infomation # curl http://localhost:9200/customer?pretty { "customer" : { "aliases" : { }, "mappings" : { }, "settings" : { "index" : { "creation_date" : "1514796397799", "number_of_shards" : "5", "number_of_replicas" : "1", "uuid" : "2bDYA…

Install Prometheus on CentOS 7

ref. prometheus-rpm/release - Packages - packagecloud.io | packagecloud Setting yum repository [root@cent7devops ~]# vi /etc/yum.repos.d/prometheus.repo [root@cent7devops ~]# cat /etc/yum.repos.d/prometheus.repo [prometheus] name=prometheus…

I would like to know Harbor.

Information Link about Harbor github.com Harbor™ by VMware®

announced Grafeas

GrafeasをGoogleやIBMなど8社が共同開発 jp.techcrunch.com github.com

install Docker version 17.09.0-ce

# yum install -y yum-utils \ > device-mapper-persistent-data \ > lvm2 *snip* Installed: yum-utils.noarch 0:1.1.31-42.el7 Dependency Installed: libxml2-python.x86_64 0:2.9.1-6.el7_2.3 python-chardet.noarch 0:2.2.1-1.el7_1 python-kitchen.noa…

start gitlab-ce by docker

ref docs.gitlab.com Command docker run --detach \ --hostname gitlab.example.com \ --publish 443:443 --publish 80:80 --publish 1022:22 \ --name gitlab \ --restart always \ --volume /srv/gitlab/config:/etc/gitlab \ --volume /srv/gitlab/logs:…

use NFS on CentOS 7

environment hostname ip node cent7no12 172.16.10.212 nfs client cent7no41 172.16.10.241 nfs server setting for nfs-server on cent7no41 # yum -y install nfs-utils # vi /etc/idmapd.conf Domain = cent7no41 # mkdir -p /home/nfs # chmod a+w /ho…

Install icinga2 (5)

Install icinga2 (4) - AKAI TSUKI check on Server [root@cent7no06 ~]# cat /etc/hosts 127.0.0.1 localhost localhost.localdomain localhost4 localhost4.localdomain4 ::1 localhost localhost.localdomain localhost6 localhost6.localdomain6 172.16.…

Install icinga2 (4)

Install icinga2 (3) - AKAI TSUKI access to setup page by Chrome Browser

Install icinga2 (3)

Install icinga2 (2) - AKAI TSUKI install httpd # yum install -y httpd ==================================================================================================== Package Arch Version Repository Size ===============================…

What's rendertron?

please check github.com

Install icinga2 (2)

Install icinga2 (1) - AKAI TSUKI install mariadb # yum install -y mariadb mariadb-server ==================================================================================================== Package Arch Version Repository Size ============…

Install icinga2 (1)

check SELinux config # getenforce Disabled # # cat /etc/sysconfig/selinux | grep -v "^#" | grep -v "^$" SELINUX=disabled SELINUXTYPE=targeted # install icinga2 repo # yum install -y https://packages.icinga.com/epel/icinga-rpm-release-7-lat…

disable Dev Tools menu in Kibana web ui.

configuration for Dev Tools in kibana. console.enabled parameter set to false to disable Console. in the case of true (default) in the case of false

login web console (OpenShift)

ref. Install OpenShift - AKAI TSUKI install httpd-tools ref. Configuring Authentication and User Agent | Installation and Configuration | OpenShift Origin Latest at master node. # yum install -y httpd-tools *snip* Installed: httpd-tools.x8…

Install OpenShift

ref. Try to prepare host for installation of OpenShift. - AKAI TSUKI hosts file at all node. # cat /etc/hosts 127.0.0.1 localhost localhost.localdomain localhost4 localhost4.localdomain4 ::1 localhost localhost.localdomain localhost6 local…

install elasticsearch-head on CentOS 7.3

ref install eleasticsearch on CentOS 7.3 - AKAI TSUKI environment hostname ip node cent7no31 172.16.10.231 Coordinating node, elasticsearch-head pre install install bzip2 and lbzip2 for tar command. # yum install bzip2 # yum install lbzip2…

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