xiangchu0

#!/bin/bash
 
INTERVAL="1"  # update interval in seconds
 
if [ -z "$1" ]; then
        echo
        echo usage: $0 [network-interface]
        echo
        echo e.g. $0 eth0
        echo

xiangchu0

(require 'erlang)
(require 'company-erlang)
(add-hook 'erlang-mode-hook #'company-erlang-init)

(add-to-list 'load-path "~/.emacs.d/pkg/distel/elisp")
(require 'distel)
(distel-setup)
(defconst distel-shell-keys
  '(("\C-\M-i"   erl-complete)
    ("\M-?"      erl-complete)

xiangchu0

From 966471712184cfb3b067f2ae8dad9d8e2a896cae Mon Sep 17 00:00:00 2001
From: Bearice Ren <[email protected]>
Date: Tue, 20 Sep 2016 11:52:08 +0800
Subject: [PATCH] add filter-aaaa option

---
 src/dnsmasq.h | 3 ++-
 src/option.c  | 3 +++
 src/rfc1035.c | 9 +++++++++
 3 files changed, 14 insertions(+), 1 deletion(-)

xiangchu0

Understanding the Memory Layout of Linux Executables

Required tools for playing around with memory:

• hexdump
• objdump
• readelf
• xxd
• gcore

xiangchu0

(defun erlang-after-arrow ()
  "Return true if point is immediately after a function arrow (`->').
Make a special case when in a spec line."
  (and
   (save-excursion
     (beginning-of-line)
     (not (save-match-data (looking-at "-\\(spec\\|type\\)"))))
   (and (>= (point) 2)
        (and
         (save-excursion

xiangchu0

Table of Contents

• 1. Introduction
• 2. Setup
  • 2.1. VPP
  • 2.2. FRRouting
• 3. Testing
• 4. References

xiangchu0

get FreeBSD kernel

fetch -o /tmp ftp://ftp.freebsd.org/pub/`uname -s`/releases/`uname -m`/`uname -r | cut -d'-' -f1,2`/src.txz

tar -C / -xvf /tmp/src.txz

svn checkout https://svn.freebsd.org/base/releng/`uname -r | cut -d'-' -f1,1` /usr/src

xiangchu0

How to colorize output of git?

git config --global color.ui always
git config --global color.branch always
git config --global color.diff always
git config --global color.interactive always
git config --global color.status always
git config --global color.grep always
git config --global color.pager true

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# /etc/sysct.conf
# only values specific for ipsec/l2tp functioning are shown here. merge with existing file
net.ipv4.ip_forward = 1
net.ipv4.conf.default.rp_filter = 0
net.ipv4.conf.default.accept_source_route = 0
net.ipv4.conf.all.send_redirects = 0
net.ipv4.conf.default.send_redirects = 0
net.ipv4.icmp_ignore_bogus_error_responses = 1

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create net

ip tuntap add name tap01 mode tap
ip tuntap add name tap02 mode tap
ip tuntap add name tap03 mode tap

ip link set tap01 up
ip link set tap02 up
ip link set tap03 up