varnav

A QA engineer walks into a bar, and orders a beer.
Then he orders 0 beers.

Then he orders 999999999999 beers.

Then he orders an aardvark.

Then he orders nothing.

Then he orders -1 beers.

varnav

#!/bin/sh
# Delete older than n days
find /var/spool/asterisk/monitor -mtime +75 -name '*.mp3' -delete
#Delete files smaller than n K
find /var/spool/asterisk/monitor -size -30k -name '*.mp3' -delete

varnav

' DESCRIPTION:
' This script will backup bitlocker recovery information to active directory for drives which are already encrypted.

' DEVELOPED BY:
' Himanshu Singh ([email protected])
' Microsoft Corporation

' Patched by Evgeny Varnavskiy
' Sep 2018

varnav

git checkout master
git merge --squash devel
git commit

git branch -f devel master
git push --all -f

varnav

#!/bin/bash

ping -c4 192.168.1.1 > /dev/null

if [ $? != 0 ]
then
  d=`date`
  echo "$d No network connection, restarting wlan0" >> /var/log/wifimon.txt
  ifconfig wlan0 down
  sleep 5

varnav

#!/bin/bash

# https://code.luasoftware.com/tutorials/linux/command-line-optimize-image/

find . -type f -iname '*.png' -exec pngquant --skip-if-larger --ext .png --force 256 {} \;
find . -type f -iname "*.png" | xargs optipng -o2 -strip all
find . -name '*.png' -print0 | xargs -0 -n1 -I{} sh -c 'zopflipng {} output.png; [ -f output.png ] && mv output.png {};'

# Using -print0 to deal with spaces
find . -print0 -type f -name "*.jpg" -o -name "*.JPG" | xargs -0 jpegoptim

varnav

- name: Get curl {{curlver}} packages
  get_url: url={{ item }} dest=/tmp/
  with_items:
  - https://mirror.city-fan.org/ftp/contrib/sysutils/Mirroring/curl-{{ curlver }}-2.0.cf.rhel7.x86_64.rpm
  - https://mirror.city-fan.org/ftp/contrib/sysutils/Mirroring/libcurl-{{ curlver }}-2.0.cf.rhel7.x86_64.rpm
  - https://mirror.city-fan.org/ftp/contrib/libraries/libmetalink-0.1.3-9.rhel7.x86_64.rpm
  - https://mirror.city-fan.org/ftp/contrib/libraries/c-ares-1.15.0-4.0.cf.rhel7.x86_64.rpm
  - https://mirror.city-fan.org/ftp/contrib/libraries/libssh2-1.9.0-3.0.cf.rhel7.x86_64.rpm
  - https://mirror.city-fan.org/ftp/contrib/libraries/libidn-1.34-3.0.el7.x86_64.rpm
  tags: curl

varnav

XZ_OPT="--threads=4" nohup find . -maxdepth 1 -type d -mtime +1000 -exec tar --remove-files -cJf {}.tar.xz {} \; &

varnav

Misc:

apt install mc fail2ban htop openvpn git iotop lsof

Add to /etc/sysctl.d/70-bufferbloat.conf

net.core.default_qdisc=fq
net.ipv4.tcp_fastopen=3
net.ipv4.tcp_ecn=1
net.ipv4.tcp_sack=1

varnav

LOG_FILE=/root/installer.log
exec > >(tee -a ${LOG_FILE} )
exec 2> >(tee -a ${LOG_FILE} >&2)