install ansible in ubuntu
On Fedora:
$ sudo dnf install ansible
On RHEL and CentOS:
$ sudo yum install ansible
On Ubuntu:
$ sudo apt-add-repository --yes --update ppa:ansible/ansible
$ sudo apt install ansible
Using PIP:
$ pip install --user ansible
On Alpine:
$ apk add ansible
sudo apt install ansibleInstall ansible
On Fedora:
$ sudo dnf install ansible
On RHEL and CentOS:
$ sudo yum install ansible
On Ubuntu:
$ sudo apt-add-repository --yes --update ppa:ansible/ansible
$ sudo apt install ansible
Using PIP:
$ pip install --user ansible
On Alpine:
$ apk add ansibleansible example playbook
---
- name: update web servers
hosts: webservers
remote_user: root
tasks:
- name: ensure apache is at the latest version
yum:
name: httpd
state: latest
- name: write the apache config file
template:
src: /srv/httpd.j2
dest: /etc/httpd.conf
- name: update db servers
hosts: databases
remote_user: root
tasks:
- name: ensure postgresql is at the latest version
yum:
name: postgresql
state: latest
- name: ensure that postgresql is started
service:
name: postgresql
state: startedcreate range array javascript
[...Array(10).keys()]
//=> [0, 1, 2, 3, 4, 5, 6, 7, 8, 9]es6 create array with increasing number
Array.from(Array(10).keys())
//=> [0, 1, 2, 3, 4, 5, 6, 7, 8, 9]javascript fill array with range
function range(start, end) {
return Array(end - start + 1).fill().map((_, idx) => start + idx)
}
var result = range(9, 18); // [9, 10, 11, 12, 13, 14, 15, 16, 17, 18]
console.log(result);function range() as range js
function range(start, end) {
/* generate a range : [start, start+1, ..., end-1, end] */
var len = end - start + 1;
var a = new Array(len);
for (let i = 0; i < len; i++) a[i] = start + i;
return a;
}Copyright © 2021 Codeinu
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