Open stack Pike

[root@testbox ~]# service firewalld stop Redirecting to /bin/systemctl stop firewalld.service [root@testbox ~]# chkconfig firewalld off Note: Forwarding request to 'systemctl disable firewalld.service'. Removed symlink /etc/systemd/system/multi-user.target.wants/firewalld.service. Removed symlink /etc/systemd/system/dbus-org.fedoraproject.FirewallD1.service. [root@testbox ~]# service NetworkManager stop Redirecting to /bin/systemctl stop NetworkManager.service [root@testbox ~]# chkconfig NetworkManager off Note: Forwarding request to 'systemctl disable NetworkManager.service'. Removed symlink /etc/systemd/system/multi-user.target.wants/NetworkManager.service. Removed symlink … Continue reading Open stack Pike

python basics learning

Hey, This online practice url is great for learning python & practice & test https://www.python.org/shell/ https://www.pythonanywhere.com https://www.jdoodle.com/python-programming-online Or Can use linux based machine at http://www.webminal.org/ How to use print function print ('Hello World') print("Hello world") o/p Hello World Hello world Adding two values x=1.2 y=1.3 z=x+y print z o/p 2.5 x=1.2 y=1.3 sum=x+y print sum o/p 2.5 … Continue reading python basics learning

Failed Scheduling in kubernetes

[root@localhost ~]# oc get pods NAME READY STATUS RESTARTS AGE docker-registry-1-i37wn 1/1 Running 13 1y nginx-j1u1l 0/1 Pending 0 6m router-1-fn5kw 1/1 Running 12 1y [root@localhost ~]# oc describe pod nginx-j1u1l Name: nginx-j1u1l Namespace: default Security Policy: anyuid Node: / Labels: app=nginx Status: Pending IP: Controllers: ReplicationController/nginx Containers: nginx: Image: nginx Port: 80/TCP Volume Mounts: … Continue reading Failed Scheduling in kubernetes

how to create visualization in kibana

Go to visualize  Select create Dash Board EX: select Pie chart as example   select count as an example Select Aggregations with in that select Terms If you any specific requirements please select the order as well. And apply the play option If you want that visualization to be saved for future reference plz select save … Continue reading how to create visualization in kibana

How to create filters in kibana dashboard

Go to discover window select add filter Select your filter field  Apply the condition ex: IS Select the value you wanted to filter If you want to delete the filter hover on the filter tab you will get delete option then delete it.  In the same way you can edit the filter as well by … Continue reading How to create filters in kibana dashboard

Loading Sample Data in Kibana

Make sure you installed ELK stack and all services are running root@elk-1-vm:~# netstat -tlpn Active Internet connections (only servers) Proto Recv-Q Send-Q Local Address Foreign Address State PID/Program name tcp 0 0 0.0.0.0:22 0.0.0.0:* LISTEN 991/sshd tcp 0 0 127.0.0.1:5601 0.0.0.0:* LISTEN 3831/node tcp6 0 0 :::9300 :::* LISTEN 4371/java tcp6 0 0 :::5044 :::* … Continue reading Loading Sample Data in Kibana

Installing prometheus in centos7

[root@ocp ~]# wget https://github.com/prometheus/prometheus/releases/download/v1.7.1/prometheus-1.7.1.linux-amd64.tar.gz Saving to: ‘prometheus-1.7.1.linux-amd64.tar.gz’ 100%[=====================================================================================================>] 1,71,42,153 298KB/s in 50s 2018-03-31 18:11:20 (333 KB/s) - ‘prometheus-1.7.1.linux-amd64.tar.gz’ saved [17142153/17142153] [root@ocp ~]# cd /opt/ [root@ocp opt]# tar -zxvf /root/prometheus-1.7.1.linux-amd64.tar.gz prometheus-1.7.1.linux-amd64/ prometheus-1.7.1.linux-amd64/consoles/ prometheus-1.7.1.linux-amd64/consoles/aws_elasticache.html prometheus-1.7.1.linux-amd64/consoles/aws_elb.html prometheus-1.7.1.linux-amd64/consoles/aws_redshift-cluster.html prometheus-1.7.1.linux-amd64/consoles/aws_redshift.html prometheus-1.7.1.linux-amd64/consoles/blackbox.html prometheus-1.7.1.linux-amd64/consoles/cassandra.html prometheus-1.7.1.linux-amd64/consoles/cloudwatch.html prometheus-1.7.1.linux-amd64/consoles/haproxy-backend.html prometheus-1.7.1.linux-amd64/consoles/haproxy-backends.html prometheus-1.7.1.linux-amd64/consoles/haproxy-frontend.html prometheus-1.7.1.linux-amd64/consoles/haproxy-frontends.html prometheus-1.7.1.linux-amd64/consoles/haproxy.html prometheus-1.7.1.linux-amd64/consoles/index.html.example prometheus-1.7.1.linux-amd64/consoles/node-cpu.html prometheus-1.7.1.linux-amd64/consoles/node-disk.html prometheus-1.7.1.linux-amd64/consoles/node-overview.html prometheus-1.7.1.linux-amd64/consoles/node.html prometheus-1.7.1.linux-amd64/consoles/prometheus-overview.html prometheus-1.7.1.linux-amd64/consoles/prometheus.html prometheus-1.7.1.linux-amd64/consoles/snmp-overview.html prometheus-1.7.1.linux-amd64/consoles/snmp.html prometheus-1.7.1.linux-amd64/console_libraries/ prometheus-1.7.1.linux-amd64/console_libraries/menu.lib prometheus-1.7.1.linux-amd64/console_libraries/prom.lib … Continue reading Installing prometheus in centos7

Install latest ansible version

[root@ocp ~]# cat /etc/redhat-release Red Hat Enterprise Linux Server release 7.4 (Maipo) [root@ocp ~]# yum install python-pip [root@ocp ~]# pip2.7 install ansible [root@ocp ~]# ansible --version ansible 2.5.0 config file = None configured module search path = [u'/root/.ansible/plugins/modules', u'/usr/share/ansible/plugins/modules'] ansible python module location = /usr/lib/python2.7/site-packages/ansible executable location = /bin/ansible python version = 2.7.5 (default, May … Continue reading Install latest ansible version

Ansible summary

  # An Ansible summary # Configuration file [intro\_configuration.html](http://docs.ansible.com/intro_configuration.html) First one found from of * Contents of `$ANSIBLE_CONFIG` * `./ansible.cfg` * `~/.ansible.cfg` * `/etc/ansible/ansible.cfg` Configuration settings can be overridden by environment variables - see constants.py in the source tree for names. # Patterns [intro\_patterns.html](http://docs.ansible.com/intro_patterns.html) Used on the `ansible` command line, or in playbooks. * `all` … Continue reading Ansible summary