LC_CTYPE=zh_TW.big5 7z x file.zip
LC_CTYPE=zh_TW.big5 busybox unzip file.zip
TODO: filename in big5
ls -i
find . -inum 12321475 -exec mv {} new-filename \;
find . -inum 12321475 -print0 | xargs -0 mv -t new-filename
2023-01-10
wmctrl / xdotool - XWindow move resize
wmctrl
wmctrl -d
wmctrl -l
wmctrl -i -a <win id>
wmctrl -i -r <win id> 0,x,y,w,h
wmctrl -lx
0x00a00002 1 aterm.XTerm box Terminal
0x01000002 1 google-chrome.Google-chrome box WeChat/Weixin for Web - Google Chrome
0x01000005 1 google-chrome.Google-chrome box about:blank - Google Chrome
0x01000006 1 google-chrome.Google-chrome box QR-slot.png (500×500) - Google Chrome
wmctrl -i -r 0x01000005 -e 0,150,40,1000,800
wmctrl -i -r 0x01000002 -e 0,0,140,900,800
xdotool
xdotool search wechat
xdotool search ""
2022-10-10
Linux traffic control
sudo tc qdisc add dev eth0 root netem delay 200ms
sudo tc qdisc del dev eth0 root netem delay 200ms
sudo tc qdisc add dev eth0 root netem delay 1000ms
sudo tc qdisc del dev eth0 root netem delay 1000ms
sudo tc qdisc del dev eth0 root netem delay 2000ms
RC522 with raspberry pi
M1
S50
UID
UFUID
FUID
CUID
rc522
pn532
https://github.com/ikarus23/MifareClassicTool
https://github.com/ondryaso/pi-rc522
https://github.com/mxgxw/MFRC522-python
https://stackoverflow.com/questions/41326384/re-writing-uid-and-block-0-on-chinese-supposed-to-be-writable-mifare-1k-card-i
There are 2 types of UID writeble cards:
Block 0 writable cards: you can write block 0 at any moment
Backdoored cards
If writing block 0 does not work, you probably have a backdoored card: To enable the backdoor, you need to send the following sequence to the card: (everything in hexadecimal)
RC522 > Card: 50 00 57 cd (HLTA + CRC)
RC522 > Card: 40 (7 bits only)
Card > RC522: A (4 bits only)
RC522 > Card: 43
Card > RC522: A (4 bits only)
Then you can write to block 0 without authentication. If it still does not work, your card is probably not UID changeable.
芢聆湮苤: 褫夔岆 1024-byte 湮苤腔縐
楷冞: 50 00 57 cd
楷冞: 40 (7 bits)
彶善: a (4 bits)
楷冞: 43
彶善: 0a
Name Pin # Pin name
SDA 24 GPIO8
SCK 23 GPIO11
MOSI 19 GPIO10
MISO 21 GPIO9
IRQ None None
GND Any Any Ground
RST 22 GPIO25
3.3V 1 3V3
sudo raspi-config
spi
remote-gpio
sudo apt-get update
sudo apt-get upgrade
sudo apt-get install python3-dev python3-pip
sudo apt-get install python-spidev python3-spidev
???
sudo pip3 install spidev
sudo pip3 install mfrc522
git clone https://github.com/lthiery/SPI-Py.git
cd SPI-Py/
git checkout 8cce26b9ee6e69eb041e9d5665944b88688fca68
git checkout 8cce26b9ee6e69eb041e9d5665944b88688fca68
git checkout -b 8cce26b9ee6e69eb041e9d5665944b88688fca68
sudo python setup.py install
sudo python3 setup.py install
git clone https://github.com/mxgxw/MFRC522-python.git
cd MFRC522-python
python Read.py
注意：0扇区不能随意乱写，0扇区写不符合算法规则的数据会导致卡片锁死。
byte0-byte3 为UID
byte4 为check byte 算法 byte4 = byte0 ^ byte1 ^ byte2 ^ byte3
byte5为0x08
byte6 为0x04，
byte7 为0x00，Byte5,Byte6和byte7是m1卡片类型不可随意更改。
https://www.gushiciku.cn/pl/pi9z/zh-tw
https://www.tspweb.com/key/%E6%89%8B%E6%9C%BAnfc%E6%9A%B4%E5%8A%9B%E7%A0%B4%E8%A7%A3ic%E5%8D%A1%E5%AF%86%E9%92%A5.html
Linux disable touchpad mid-click
xinput list
xinput get-button-map 10
# 1 2 3 4 5 6 7
xinput list --long 10
Button labels: "Button Left" "Button Middle" "Button Right" "Button Wheel Up" "Button Wheel Down" "Button Horiz Wheel Left" "Button Horiz Wheel Right"
# disable mid-click
xinput set-button-map 10 1 0 3 4 5 6 7
# mid-click -> left
xinput set-button-map 10 1 1 3 4 5 6 7
2022-02-10
Oracle select multi rows random
select B.*, to_char(B.Rand, '0XXXXX') Str from
(
select A.*, trunc(DBMS_RANDOM.value(A.L, A.H)) Rand from
(
select level no,
200000+level*100000 L,
200000+level*100000+50000 H
from dual connect by level <= 100
) A
) B
;
NO L H RAND STR
---------- ---------- ---------- ---------- -------
1 300000 350000 317314 04D782
2 400000 450000 408319 063AFF
3 500000 550000 538362 0836FA
4 600000 650000 633656 09AB38
5 700000 750000 724852 0B0F74
6 800000 850000 823489 0C90C1
7 900000 950000 948578 0E7962
8 1000000 1050000 1026192 0FA890
9 1100000 1150000 1107769 10E739
10 1200000 1250000 1221980 12A55C
11 1300000 1350000 1338767 146D8F
12 1400000 1450000 1418473 15A4E9
13 1500000 1550000 1522499 173B43
14 1600000 1650000 1646482 191F92
15 1700000 1750000 1746193 1AA511
16 1800000 1850000 1815369 1BB349
17 1900000 1950000 1923534 1D59CE
18 2000000 2050000 2030796 1EFCCC
19 2100000 2150000 2149042 20CAB2
20 2200000 2250000 2202140 219A1C
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