odoucet’s gists

## todo
- Supprimer les applications non utilisées, notamment toutes les éventuelles version Office présentes
  - applications et fonctionnalités
- Chiffrement BitLocker du disque
- installer Cmder full
- installer Office365 (www.office365.com)

## fio on zvol with volblocksize=128k
random-read: (g=0): rw=randread, bs=256KiB-256KiB,256KiB-256KiB,256KiB-256KiB, ioengine=libaio, iodepth=256
fio-2.18
Starting 1 process
Jobs: 1 (f=1): [r(1)][100.0%][r=27.3MiB/s,w=0KiB/s][r=109,w=0 IOPS][eta 00m:00s]
random-read: (groupid=0, jobs=1): err= 0: pid=5216: Mon Nov 20 11:25:52 2017
   read: IOPS=111, BW=27.1MiB/s (29.4MB/s)(1678MiB/60002msec)
    slat (usec): min=937, max=48829, avg=8931.40, stdev=4220.94
    clat (usec): min=6, max=2544.4k, avg=2225904.59, stdev=255594.73
     lat (msec): min=10, max=2560, avg=2234.84, stdev=255.58
    clat percentiles (msec):

## zpool-histogram
# NOTE:
# /dev/zvol/xxxxx/test volume is tested by FIO
# volblocksize          16K
# compression           lz4
# usedbydataset         50.4G
# logbias               latency
# sync                  always

xxxxxxx       sync_read    sync_write    async_read    async_write      scrub
req_size      ind    agg    ind    agg    ind    agg    ind    agg    ind    agg

## agregate-fioresults.php
<?php
/**
 * Agregate stats per job on a unique file compatible with fio2gnuplot
 **/
if (!$argv[1]) {
	echo "syntax: ".$argv[0]." <prefix-file>\n";
	echo "Example : ".$argv[0]." nametest\n";
}

$tests = array('bw','lat','slat','clat','iops');

## haproxy-sample.cfg
global
    pidfile /tmp/haproxytest.pid

defaults
    # we do web !
    mode http
    option httpchk /c
    option http-keep-alive
    option http-pretend-keepalive

## haproxy-sample.cfg
global
    chroot /tmp
    daemon
    group users
    user nobody
    pidfile /var/run/haproxy.pid
    log xxx local2 notice
    nbproc 4
    server-state-file /tmp/haproxy_server_state

## proc-slabinfo
slabinfo - version: 2.1
# name            <active_objs> <num_objs> <objsize> <objperslab> <pagesperslab> : tunables <limit> <batchcount> <sharedfactor> : slabdata <active_slabs> <num_slabs> <sharedavail>
lio_r2t_cache        285    531     64   59    1 : tunables  120   60    8 : slabdata      9      9      0
lio_ooo_cache          0      0     64   59    1 : tunables  120   60    8 : slabdata      0      0      0
lio_dr_cache         325    413     64   59    1 : tunables  120   60    8 : slabdata      7      7      0
lio_qr_cache         996   1120     32  112    1 : tunables  120   60    8 : slabdata     10     10      0
lio_cmd_cache        476    489   1216    3    1 : tunables   24   12    8 : slabdata    163    163    108
t10_alua_tg_pt_gp_mem_cache    124    154     48   77    1 : tunables  120   60    8 : slabdata      2      2      0
t10_alua_tg_pt_gp_cache    124    176    248   16    1 : tunables  120   60    8 : slabdata     11     11      0
t10_alua_lu_gp_mem_cache    124    385     48   77    1

## parse_namedstats.php
<?php

$fp = fopen('/etc/named/named.stats', 'r');

$data = array();
$start = false;
$currentHost = '';

while($line = fgets($fp, 1024)) {
        if (strpos($line, 'Per Zone Query Statistics ') !== false) {

## modsecurity_id_extractor.php
<?php
/***************
 * Extract rule ID from modsecurity log
 * and print TOP hits by rule ID
 *
 * @author github.com/odoucet
 *
 * useful when using mod_security as DETECTION_ONLY mode
 *
 * USAGE :

## other infos
process arc_adapt :
blocked in status D

/proc/(pidof arc_adapt)/stat :
1564 (arc_adapt) D 2 0 0 0 -1 2269248 0 0 0 0 0 24533 0 0 0 -20 1 0 911 0 0 18446744073709551615 0 0 0 0 0 0 0 2147483647 0 18446744072101946508 0 0 17 4 0 0 0 0 0 0 0 0 0 0 0 0 0

(no change to this file after 10s sleep so this process seems to have no activity - cannot run "top" to make sure, it hangs)