學習日誌

2025-06-06 28 字 1 分鐘

powershell用法

Get-ChildItem C:\ arp -a ssh -Y -p 1998 hacker@192.168.1.104 go run main.go runas /user:12345646 “N:\XL\FFO\FFOnline\Launcher.exe”

2025-06-06 191 字 1 分鐘

nmap用法

sudo apt install nmapsnap install nmap while read ip; do echo “== Scanning $ip ==” | tee -a 456.txt nmap -sV “$ip” | tee -a 456.txt echo “” >> 456.txtdone < 123.txt nmap -sV -iL 123.txt -oN 456.txt nmap –script=ftp-brute -p21-sS 安靜查詢 nmap itamiokanjiro.ddn

2025-06-06 483 字 2 分鐘

psql庫管理

備份與使用數據庫 sudo -u postgres createdb -E UTF8 -T template0 gf_gs pg_dump -U postgres gf_gs > /var/www/html/old_db.sql psql -U postgres gf_gs < /var/www/html/old_db.sql 斷開連結 SELECT pg_terminate_backend(pid) FROM pg_stat_activity WHERE datname = 'gf_gs'; ./omg start your_postgres_pas

2025-06-06 182 字 1 分鐘

linux網路配置

sudo apt install net-tools 安裝網路寬頻撥號 sudo apt install pppoeconf sudo pppoeconf apt install net-tools nginx安裝cert sudo apt install certbot python3-certbot-nginx sudo certbot --nginx -d grandfantasia.ddns.net sudo certbot renew --dry-run sudo crontab -e 0 0,12 * * * certbot renew --quiet sudo crontab

2025-06-05 34 字 1 分鐘

ssh改成密碼登入

改密碼可登入ssh ls /etc/ssh/sshd_config.d/ sudo nano /etc/ssh/sshd_config.d/* 改成yes 失敗 sudo nano /etc/ssh/sshd_config 重啟 sudo systemctl restart sshd

2025-06-04 69 字 1 分鐘

python技術債草

曾經的我用python寫了很多代碼自從我用了C++後發現python真TM狗屎打包難打包成exe就算了會整台電腦一起打包此時當你有安裝大型項目例如TensorFlow, PyTorch 會涼涼也無法真正並行

2025-06-04 11 字 1 分鐘

openvpn

sudo apt install openvpn sudo openvpn –config academy-regular.ovpn &

2025-06-03 226 字 1 分鐘

TCP 硬基礎

TCP three-Way Handshake Step Direction What’s Sent Function SYN Client → Server I want to connect, here’s my sequence number Tells the server: I want to connect, get ready. SYN+ACK Server → Client I accept, here’s my sequence number, and I got yours Server says: OK, I’m ready too, and I rece

2025-06-03 29 字 1 分鐘

Termshark & Wireshark

Termshark is a Text-based User Interface Termshark Help wireshark filterFTP-Request-Command Filter ftp.requset.command ftp-data ftp-data http http tcp.stream tcp.stream eq 7

2025-06-03 194 字 1 分鐘

tshark

TShark Help tshark -h where tshark which tshark interfaces List tshark -D list the Link-layer from interface tshark -L tshark -i ens33 -L switch interface tshark -i 2 Selecting an Interface & Writing to a File tshark -i eth0 -w /tmp/test.pcap Selecting an Interface & Applying Filters t