garden4hu

how to install devtoolset7/8/9 in centos6

Note: this isn't an official solution.

install centos-release-scl-rh

## install scl-rh repo
yum install centos-release-scl-rh

garden4hu

enable core dump

## set the limit size of core
sudo echo "ulimit -c unlimited" >> /etc/profile

## source to active
source /etc/profile

## set core file name pattern and saving path

garden4hu

添加用户到 root group

 ## for example: user dev
 usermod -g root dev  # -g means change the dev's primiry group to group root
 ## you can add the dev to other group by option -aG
 ## for example, you can add the user dev to group plugdev by:
 ## usermod -aG plugdev dev
 

garden4hu

记录使用 dns update ssl 证书的几个命令

在 Ubuntu 下

install certbot and certbot-dns-cloudflare

snap install --classic certbot
sudo ln -s /snap/bin/certbot /usr/bin/certbot
sudo snap install certbot-dns-cloudflare
sudo snap set certbot trust-plugin-with-root=ok

garden4hu

#!/usr/bin/env bash

#################################### README ####################################
# This script follows the guidance of FFMPEG(https://trac.ffmpeg.org/wiki/CompilationGuide/Ubuntu).
# It works will on Ubuntu22.04. It may works on other version of Ubuntu because that I didn't check it.
# This script mods some parameters of building command,(for example the vmaf's bindir). So you may pay 
# attention to VMAF.
################################################################################

garden4hu

#!/usr/bin/env bash

## 检查 trojan更新，并强制更新
## 安装 trojan
## 卸载 trojan


MACHINE='amd64'
RELEASE_VERSION="v0.10.6"

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#! /bin/bash
set -Eeuo pipefail
trap cleanup SIGINT SIGTERM ERR EXIT

cleanup() {
  trap - SIGINT SIGTERM ERR EXIT
  # script cleanup here
}

# jdk version is jdk-1.8

garden4hu

#!/usr/bin/env bash
# modifed from https://github.com/v2fly/fhs-install-v2ray/blob/master/install-release.sh
# https://github.com/HyNetwork/hysteria/blob/master/install_server.sh
# You can set this variable whatever you want in shell session right before running this script by issuing:
# export JSON_PATH='/usr/local/etc/tuic'
JSON_PATH=${JSON_PATH:-/etc/tuic}

curl() {
  $(type -P curl) -L -q --retry 5 --retry-delay 10 --retry-max-time 60 "$@"
}

garden4hu

## Current powershell will check the VisualStudio installion and Windows SDK version
## If they are OK, the VC environment variable will set to current process of command line

### this Script allow you set the vcvarsall environment variable into your current terminal process.

class VSInfo {
    [string]$version
    [string]$installPath
    [string]$edition
}

garden4hu

//www.lsauer.com 2012
//author: Microsoft Inc.
//Type: tab-separated flatfile / datatable

Variable	Type	Description
%ALLUSERSPROFILE%	Local	Returns the location of the All Users Profile.
%APPDATA%	Local	Returns the location where applications store data by default.
%CD%	Local	Returns the current directory string.
%CMDCMDLINE%	Local	Returns the exact command line used to start the current Cmd.exe.
%CMDEXTVERSION%	System	Returns the version number of the current Command Processor Extensions.