salmon5

Nginx try_files 的美感问题

Nginx try_files 指令自实现之日启，风靡至今。单纯说功能实现地话，确实能够快速地适配各种需要场景，省掉了大段的 if 和 set。但相应的 URL 拼写格式，就真地不忍直视了。

2016 年 11 月 21 日修订 REQUEST_METHOD 被改变地问题。

丢失的 301 跳转

salmon5

# Pull the necessary images:
docker pull nathanleclaire/curl:latest
docker pull openjdk:8u111-jre-alpine

# Start the controller container, note that it has RW access to the Docker API socket:
docker run \
  -ti \
  --rm \

salmon5

FROM ubuntu

RUN apt-get update
RUN apt-get install -y socat

VOLUME /foo

CMD socat UNIX-LISTEN:/foo/bar.sock -

salmon5

#@ /etc/quagga/bgpd.conf (Centos & Ubuntu)

hostname <Local OS hostname>
password <Any random phrase>
enable password <Any random phrase>
!
log file /var/log/quagga/bgpd
!debug bgp events
!debug bgp zebra
debug bgp updates

salmon5

#!/bin/bash
#usage: nchttpd port "cmd"
#    port - port number to listen on for requests (if port < 1024 use sudo)
#    cmd - command to execute when a request comes in, ex> "cat /var/www/index.html"
#
#example: 
#  $nchttpd 1500 "cat /var/www/index.html"
#
while true; do
        echo "HTTP/1.1 200 OK\r\n $($2)" | nc -lp $1 -q 1 &

salmon5

/*
 * watch_unix_socket.stp
 *
 * This is a simply more modern version of the script found here:
 * https://sourceware.org/systemtap/wiki/WSunixSockets
 *
 * The first argument is the location of the file descriptor for a UNIX socket.
 * To find this address, for example, for the Docker socket run:
 *
 * # lsof 2>&1 | awk '/docker.sock/ {print $7}' | grep -v '0t0' | sort -u

salmon5

#!/bin/bash

# References
# http://www.computerhope.com/unix/nc.htm#03
# https://github.com/daniloegea/netcat
# http://unix.stackexchange.com/questions/26715/how-can-i-communicate-with-a-unix-domain-socket-via-the-shell-on-debian-squeeze
# http://unix.stackexchange.com/questions/33924/write-inside-a-socket-open-by-another-process-in-linux/33982#33982
# http://www.linuxjournal.com/content/more-using-bashs-built-devtcp-file-tcpip
# http://www.dest-unreach.org/socat/
# http://stuff.mit.edu/afs/sipb/machine/penguin-lust/src/socat-1.7.1.2/EXAMPLES

salmon5

import logging
import socket
import sys
import threading
import time

CLIENT_CONN_ADDR="127.0.0.1"
CLIENT_NUM_CONNS=10
SERVER_PORT=8888
SERVER_SYN_BACKLOG=128

salmon5

#!/usr/bin/python

import os
import sys
import time
import logging
import socket


def check_unix_socket():

salmon5

Red Hat Enterprise Linux Diagnostics & Troubleshooting (RH342)

Last update: Fri Jul 26 08:23:20 UTC 2019 by @luckylittle

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1. Troubleshooting principles

2. Generic issues