frengky

FirewallD command line snippets for Linux

Create new zone identified by an IP Address or interface This 'example' zone rules will applied to the connection from 192.168.1.2

  $ firewall-cmd --list-all-zones
  $ firewall-cmd --permanent --new-zone=example
  $ firewall-cmd --permanent --zone=example --add-source=192.168.1.2
  $ firewall-cmd --zone=example --list-sources

jpclipffel

#!/bin/bash
#
# Bash `flock` example.
# Works on: Linux, BSD
# Doesn't work on: MacOS

# The file which represent the lock.
LOCKFILE="`basename $0`.lock"

# Timeout in seconds.

zchee

See also, http://libraryofalexandria.io/cgo/

Using Go cgo

cgo has a lot of trap.
but Not "C" pkg also directory in $GOROOT/src. IDE's(vim) Goto command not works.

So, Here collect materials.

iamralch

package main

import (
	"fmt"
	"io"
	"io/ioutil"
	"net"
	"os"
	"strings"

protrolium

ffmpeg

Converting Audio into Different Formats / Sample Rates

Minimal example: transcode from MP3 to WMA:
ffmpeg -i input.mp3 output.wma

You can get the list of supported formats with:
ffmpeg -formats

You can get the list of installed codecs with:

Luthaf

#include "Foo.hpp"
#include <iostream>
using namespace std;


Foo::Foo(int _a, int _b): a(_a), b(_b){
    cout << "C++ side, constructor" << endl;
}

Foo::~Foo(){

myusuf3

To remove a submodule you need to:

• Delete the relevant section from the .gitmodules file.
• Stage the .gitmodules changes git add .gitmodules
• Delete the relevant section from .git/config.
• Run git rm --cached path_to_submodule (no trailing slash).
• Run rm -rf .git/modules/path_to_submodule (no trailing slash).
• Commit git commit -m "Removed submodule "
• Delete the now untracked submodule files rm -rf path_to_submodule

v5tech

使用ffmpeg合并MP4文件

ffmpeg -i "Apache Sqoop Tutorial Part 1.mp4" -c copy -bsf:v h264_mp4toannexb -f mpegts intermediate1.ts
ffmpeg -i "Apache Sqoop Tutorial Part 2.mp4" -c copy -bsf:v h264_mp4toannexb -f mpegts intermediate2.ts
ffmpeg -i "Apache Sqoop Tutorial Part 3.mp4" -c copy -bsf:v h264_mp4toannexb -f mpegts intermediate3.ts
ffmpeg -i "Apache Sqoop Tutorial Part 4.mp4" -c copy -bsf:v h264_mp4toannexb -f mpegts intermediate4.ts
ffmpeg -i "concat:intermediate1.ts|intermediate2.ts|intermediate3.ts|intermediate4.ts" -c copy -bsf:a aac_adtstoasc "Apache Sqoop Tutorial.mp4"

bugcy013

Example -1
=====================

input {
   file {
      path => [ "/usr/local/var/log/suricata/eve.json", "/var/log/ulogd.json" ]
      codec =>   json
      type => "json-log"
   }
}

iestynpryce

#!/bin/bash
#
# Binary search tree is of the form:
#               10
#              /  \
#             /    \
#            4      16
#           / \    /  
#          1   7  12
#