ppdouble

curl -vX POST 127.0.0.1:8888/my/api?para1=123 -H 'Content-Type: application/json' -d @/home/path/to/mydata.json

# mydata.json
# {
#     "para": "m",
#     "data": {
#         "d1": "111",
#         "d2": "222"
#     }
# }

ppdouble

# the paths of jar files are listed in a text file named "files"
find $(cat files) -print -exec zipgrep "the-characters-needed-to-be-searched" '{}' \;

# search jar files recursively in path the-folder-path
find the-folder-path -name "*.jar" | xargs -I{} sh -c 'echo searching in "{}"; zipgrep "the-characters-needed-to-be-searched" {}'

ppdouble

#!/usr/bin/env python

import web

urls = (
  '/', 'index'
)

class index:

ppdouble

for ((i=1; i<=50; i++)); do curl -X POST http://127.0.0.1:8090/myapi/demo; echo ""; done;

ppdouble

jwtkey=/home/jwt/sign/keys
mkdir -p $jwtkey
openssl genrsa -out $jwtkey/rsa-prv.pem 2048
openssl rsa -in $jwtkey/rsa-prv.pem -pubout > $jwtkey/rsa-pub.pem

# OpenSSL `1.0.2k-fips on 26 Jan 2017` on `CentOS Linux release 7.9.2009 (Core)` gives pkcs#1 with -----BEGIN RSA PRIVATE KEY-----
# OpenSSL `3.0.8 7 Feb 2023 (Library: OpenSSL 3.0.8 7 Feb 2023)` on `Fedora release 38 (Thirty Eight)` gives pkcs#8 with  -----BEGIN PRIVATE KEY-----

ppdouble

cat /dev/urandom | tr -cd 'a-zA-Z0-9' | head -c 32 | xargs

ppdouble

import base64
import subprocess
from Crypto.Cipher import AES
from Crypto.Util.Padding import pad, unpad

# Python 3.11.3
# pycryptodome-3.18.0-cp35-abi3-manylinux_2_17_x86_64.manylinux2014_x86_64.whl 

def pad_pkcs5(byte_array: bytearray, block_size: int):
    """

ppdouble

# https://stackoverflow.com/questions/9090817/copying-files-using-rsync-from-remote-server-to-local-machine
# https://explainshell.com/explain?cmd=rsync+-havzP+-e+%22ssh+-p+%24portNumber%22+user%40remote.host%3A%2Fpath%2Fto%2Fcopy+%2Flocal%2Fpath

# copy files from remote host with specific ssh port
rsync -havzP -e "ssh -p portNumber" [email protected]:/path/to/copy /local/path

# copy abc into local def
rsync -avzP user@remote-host:/source/folder/abc /destinate/folder/def/

# copy the files in abc into local abc

ppdouble

for i in $(seq -w 1 02); 
do
    for j in $(seq -w 10); 
    do  
        for k in $(seq -w 16);
        do
            printf '%s:%s:%s,\t' "$i" "$j" "$k";
        done
    done
done

ppdouble

git commit --amend -m "New commit message."

git push --force <remoteName> <branchName>


# https://linuxize.com/post/change-git-commit-message/