Here is a quick memo on the usage of HTTPie to connect to VMware products to explore or use the API.

Install

(Ubuntu/Debian)

1sudo apt  install -qy jq
2sudo pip3 install -U httpie

VMware vCenter

1# login
2http POST https://vcsa.vlab.lcl/rest/com/vmware/cis/session --verify=no --session=vcsa -a …

Source: vim.wikia.com

Show all tabs:

1/\t

Show trailing whitespace:

1/\s\+$

Show trailing whitespace only after some text (ignores blank lines):

1/\S\zs\s\+$

Show spaces before a tab:

1/ \+\ze\t

The systemd daemon allows to manage custom services and run a script as a daemon service if it needs to be executed continuously (For instance: a REST API server).

Create the unit file

Create a unit file with the extension .service on the following path: /etc/systemd/system (For instance: …

On some editor's Linux based appliance(s), there is not telnet binary installed. To test TCP netwotk flows, it's possible to use python's socket module with a short script:

 1#!/usr/bin/python
 2
 3import socket
 4import sys
 5
 6if len(sys.argv) != 3:
 7    print("usage: telnet.py IPADDRESS PORT")
 8    exit(- …

In order to fully configure a virtual machine after a clone of OVF deployment, it may be useful to use settings from virtualization layer in the guest OS: for example to run Guest OS customization as already discussed in this blog.

Today, we will focus on OVF properties.

Presentation of OVF properties

If you deploy …

A quick tip to easily generate random password from a bash command line.

Add the following lines to your bashrc file:

1alias genalphanumpasswd='tr -cd '\''[:alnum:]'\'' < /dev/urandom | fold -w30 | head -n1'
2alias genpasswd='tr -cd '\''[:graph:]'\'' < …