daledude

# Check services every 5mins
set daemon 300

# logfile location
set logfile /var/log/monit.log

# Email notifications
#set mailserver localhost  # A local mailserver may be down, better to use gmail
set mailserver smtp.gmail.com port 587
    username "googleuser@gmail.com" password "googlepass"

daledude

LOCK TABLES `table_name` WRITE;
SET autocommit=0;
SET foreign_key_checks=0;
SET unique_checks=0;


/*....
INSERT ... ON DUPLICATE KEY UPDATE
INSERT IGNORE INTO 
....*/

daledude

#!/bin/bash
 
## Copyright (C) 2009 Przemyslaw Pawelczyk <przemoc@gmail.com>
##
## This script is licensed under the terms of the MIT license.
## https://opensource.org/licenses/MIT
#
# Lockable script boilerplate
 
### HEADER ###

daledude

#define KBUILD_MODNAME "load_balancer"
#include <uapi/linux/bpf.h>
#include <linux/in.h>
#include <linux/if_ether.h>
#include <linux/if_packet.h>
#include <linux/if_vlan.h>
#include <linux/ip.h>
#include <linux/ipv6.h>

BPF_HASH(counter, uint32_t, long);

daledude

# Tested on Centos 6.9 and Centos 7.4. ClickHouse vesion 1.1.54236
# Official build instructions:
# https://github.com/yandex/ClickHouse/blob/master/doc/build.md
# See also https://github.com/redsoftbiz/clickhouse-rpm
#      and https://github.com/Altinity/clickhouse-rpm

export THREADS=$(grep -c ^processor /proc/cpuinfo)

# Determine RHEL major version
RHEL_VERSION=`rpm -qa --queryformat '%{VERSION}\n' '(redhat|sl|slf|centos|oraclelinux|goslinux)-release(|-server|-workstation|-client|-computenode)'`

daledude

// Playbook: http://play.golang.org/p/kp5uL_mMGk
// Note: Type assertion like "someVariable.(string)" is useful when you are dealing with interface{} (empty interface)

package main

import (
    "fmt"
    "strconv"
)

daledude

cni-bash-plugin

files:
    /etc/rkt/net.d/bridge.sh.conf
    /etc/rkt/net.d/bridge-dhcp.sh
    /etc/rkt/net.d/bridge.sh

usage:
    rkt run \
        --insecure-options=all \

daledude

The netfilter hooks in the kernel and where they hook in the packet flow

The figure below calls out

• The netfilter hooks
• The order of table traversal

daledude

// run

// Copyright 2009 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

// Test concurrency primitives: power series.

// Power series package
// A power series is a channel, along which flow rational

daledude

{{- range services -}}
  {{- if .Name | contains "sidecar" | not -}}
    {{- $groupedServices := (service .Name | byMeta "caddy_enable") -}}
    {{- $enabledServices := (index $groupedServices "true" ) -}}
    {{- range $enabledServices -}}
      {{- $vhost := index .ServiceMeta "caddy_vhost" -}}
      {{- scratch.MapSetX "vhosts" $vhost . -}}
    {{- end -}}
  {{- end -}}
{{- end -}}