apt-get install quota


Add options usrquota,grpquota in /etc/fstab:

UUID=a5bcc8d7-asdf / ext4 errors=remount-ro,usrquota,grpquota 0 1

Set quota:

setquota -u -F vfsv0 USERNAME 4000000 5000000 0 0 /

4 000 000 ≈ 4GB.

OBS: block size is always 1 KB as unit, regardless file ......

Powershell In Case Of

To enable the running of scripts:

Run powershell.exe with admin rights and:

Set-ExecutionPolicy unrestricted

And answer A.


powershell.exe -noprofile -executionpolicy bypass -file .\my_script.ps1

Or using reg:

Windows Registry Editor Version 5.00


Bitvise SSH Client & Server


tunnelling (c2s)

(redirect traffic from C*lient ports to *S*erver ports)

The client will listen on **interface* and forward the request to the server, the server will forward the request to the destination.

See also: bit.ly/s_ssh > # SSH Tunneling > ## port forwarding (direc......

Recommender System

This is a detailed reproduction of ref.

Sunny Summary

3 steps:

preprocessing.py preprocessing to extract: author, average sentence length, average word length, punctuation profile, sentiment scores, part-of-speech profiles/tags (only in code, not taken into the csv).

TFIDF.py content-wise k-mean......

Learning Falcon

A great 5-video tutorial: 35minutes on YouTube (6 tomatoes / 2.5 hours for non-stop studing by coding).

Author's Github (py2), My Github (py3).

Differences in my Github code:

py3, not py2

using on_put() to test validity of input json from client

using on_delete() to test params (just to test......

Learning MongoDB

(4 tomatoes: install + crud)


to install

sudo apt-key adv --keyserver hkp://keyserver.ubuntu.com:80 --recv 2930ADAE8CAF5059EE73BB4B58712A2291FA4AD5 && \

echo "deb [ arch=amd64,arm64 ] https://repo.mongodb.org/apt/ubuntu xenial/mongodb-org/3.6 multiverse" | sudo tee /etc/ap......