I have begun learning security skills on the TryHackMe website and have completed two rooms. In my opinion, it is the best site for acquiring and practicing security skills so far.

• Nmap Live Host Discovery
• Linux Process Analysis

And several …

iptables

opkg update
opkg install coreutils-nohup bash iptables dnsmasq-full curl ca-certificates ipset ip-full iptables-mod-tproxy iptables-mod-extra libcap libcap-bin ruby ruby-yaml kmod-tun kmod-inet-diag unzip luci-compat luci luci-base

nftables

opkg update
opkg install coreutils-nohup bash dnsmasq-full curl ca-certificates ipset ip-full libcap libcap-bin ruby …

使用Docker来开启xiaogpt, 当前Docker官文Docker源被墙了，所以可以先找一个国内的镜像，比如

• https://dockerproxy.cn

docker pull dockerproxy.cn/yihong0618/xiaogpt

准备好config.yaml文件，然后命令行启动

docker run -v /volume2/hdd_4T/xiaogpt/config:/config yihong0618/xiaogpt --config=/config/myconfig_livingroom.yaml

I am running my NAS at home, and it has the public IP, but the IP will be changed randomly, so I need to bind it to the subdomain in the Cloudflare, so I can visit it even the IP …

Prepare

1. Download llama2 gguf format model
   • https://huggingface.co/TheBloke/Llama-2-7B-GGUF
   • and put it into “./models/llama-2–7b/”

ls -lht models/llama-2-7b
total 7997112
-rw-r--r--@ 1 user  staff   3.8G Jan  4 13:12 llama-2-7b.Q4_K_M.gguf

• 2. Build the llama.cpp

git clone https://github.com/ggerganov/llama.cpp
cd llama.cpp
make -j

• 3. Prepare the

I am start to learn the cryptography, so I will note the Cryptography journey in my blog

Online resources

Some Cryptography online courses

• https://www.pluralsight.com/search?q=Cryptography

Online hack platform

• https://cryptohack.org/courses/

China Cryptography Cipher

SM4, one China Block Cipher

• https://en.wikipedia.org/wiki/SM4_(cipher)

ShāngMì 4 (

Download and try the demo

Here is the github of whisper.cpp

• https://github.com/ggerganov/whisper.cpp

make base.en
make medium
make large-v3

/main -m models/ggml-base.en.bin -f samples/jfk.wav

For Chinese Support

• https://github.com/ggerganov/whisper.cpp/issues/1531
• https://wulu.zone/posts/whisper-cn

./main -m ./models/ggml-medium.bin  -t 8 --step 500 --length 5000 --prompt "请用简体中文输出" -l 

Background

8 security vendors flagged this URL as malicious

• https://www.virustotal.com/gui/url/3523cf904e82993fe621505619245f236c8cdfe8894cdcc1cb742a2348c2a1e2?nocache=1

tcpdump to figure out the force ssh attack from the server

 sudo tcpdump -vv -i eth0 src 165.227.xx.xx and not dst 101.230.xx.xx  port 22 -X -n

So here we need …