Ubuntu cli - check mac address & change network config

1-1) ip -br link show up

1-2) ifconfig

1-3) nmcli con show


2-1) sudo nmcli con mod "Wired connection X" ipv4.addresses 000.000.000.000/YY

    X: Check nmcli con show

    Y: Subnet mask

        8: 255.0.0.0 (large networks)

        16: 255.255.0.0 (medium networks)

        24: 255.255.255.0 (home or small networks)

        30: 255.255.255.252 (point-to-point links)

2-2) sudo nmcli con mod "Wired connection X" ipv4.gateway 000.000.0.0

2-3) sudo nmcli con mod "Wired connection X" ipv4.dns "0.0.0.0 0.0.0.0"

2-4) sudo nmcli con mod "Wired connection X" ipv4.method manual

2-5) sudo nmcli con mod "Wired connection X" ipv4.dhcp-client-id ""

2-6) sudo nmcli con down "Wired connection X" && sudo nmcli con up "Wired connection X"


3-1) sudo nano /etc/netplan/01-network-manager-all.yaml

network:

  version: 2

  renderer: networkd

  ethernets:

    ZZZZZZ:

      dhcp4: no

      addresses: [192.168.1.100/24]

      routes:

        - to: default

          via: 192.168.1.1

      nameservers:

        addresses: [8.8.8.8, 1.1.1.1]


(example for ZZZZZZ: eno1np0)

3-2) sudo netplan apply

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sklearn tsne + matplotlib scatter

import os import torch import clip import matplotlib . pyplot as plt from PIL import Image from sklearn . manifold import TSNE from tqdm import tqdm from collections import defaultdict from random import shuffle   X = torch . cat ( X , dim = 0 ) X_emb = TSNE ( init = "pca" , perplexity = 30.0 ). fit_transform ( X . cpu ()) labels = [ "source" , "z_star/foggy-1" , "z_star/foggy-2" , "z_star/foggy-3" , "z_bar/foggy-1" , "z_bar/foggy-2" , "z_bar/foggy-3" ] fig , ax = plt . subplots ( 1 ) group_len = len ( zs ) for i in range ( 7 ): ax . scatter ( X_emb [ i * group_len :( i + 1 )* group_len , 0 ], X_emb [ i * group_len :( i + 1 )* group_len , 1 ], label = labels [ i ], s = 4 ) ax . legend () fig .savefig( "temp.png" )
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Implementation of Focal Loss using Pytorch

import torch import torch.nn as nn class BinaryFocalLossWithLogits(nn.Module): def __init__ ( self , gamma= 0 , alpha_dominant= None, reduce= True ): super (BinaryFocalLossWithLogits , self ). __init__ () self .gamma = gamma self .alpha = alpha_dominant self .reduce = reduce self .BCELoss = nn.BCEWithLogitsLoss( reduction = 'mean' if self .reduce else 'none' ) def forward ( self , inputs , labels): loss = self .BCELoss(inputs , labels) pt = torch.exp(- 1 * loss) at = torch.tensor( list ( map ( lambda x: self .alpha if x == 1 else 1 - self .alpha , labels.view(- 1 ).tolist()))) loss = loss * (( 1 - pt) ** self .gamma) * at if self .reduce: return torch.mean(loss) else : return loss usage: criterion = BinaryFocalLossWithLogits( gamma = 2 , alpha_dominant = 0.1 , reduce = False ) labels = torch.tensor([[ 1. , 0. , 0. ]]) output = torch.tensor([[- 0...
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