ezhov-da

==> https://stackoverflow.com/questions/55141267/how-to-install-and-where-to-install-bash-bc-on-windows

GIT Bash uses MINGW compilation of GNU tools. 
It uses only selected ones. 
You can install the whole distribution of the tools from https://www.msys2.org/ and run a command to install bc. 
And then copy some files to installation folder of Git. 

This is what you do:

1. Install before-mentioned msys2 package and run msys2 shell.

ezhov-da

==> https://www.cyberciti.biz/faq/linux-unix-sleep-bash-scripting/
Seconds:
  sleep 5

Want to sleep for 2 minutes, use:
  sleep 2m

Halt or sleep for 3 hours, use:
  sleep 3h

ezhov-da

==> https://unix.stackexchange.com/questions/479/keep-processes-running-after-ssh-session-disconnects

$ nohup long-running-process &
$ exit

ezhov-da

==> http://www.compciv.org/topics/bash/loops/

for name in $(ls -a | sort); do echo filename - $name; done

ezhov-da

==> https://stackoverflow.com/questions/37104273/how-to-set-aliases-in-the-git-bash-for-windows

cd
echo alias k=\'kubectl\' >> .bashrc
source .bashrc

ezhov-da

==> https://linuxize.com/post/bash-increment-decrement-variable/
==> https://stackoverflow.com/questions/10515964/counter-increment-in-bash-loop-not-working

set +e;
NUMBER_RUNS = 3
COUNTER=1;
while [[ $COUNTER -le $NUMBER_RUNS ]];
do
  echo "start $COUNTER of $NUMBER_RUNS";
  echo q;

ezhov-da

==> https://gist.github.com/rxaviers/7360908

ezhov-da

Для контейнера необходимо выставить: 
  imagePullPolicy: IfNotPresent

ezhov-da

==> https://www.cyberciti.biz/faq/ping-test-a-specific-port-of-machine-ip-address-using-linux-unix/

## check for tcp port ##
## need bash shell ##
(echo >/dev/tcp/{host}/{port}) &>/dev/null && echo "open" || echo "close"
(echo >/dev/udp/{host}/{port}) &>/dev/null && echo "open" || echo "close"
(echo >/dev/tcp/www.cyberciti.biz/22) &>/dev/null && echo "Open 22" || echo "Close 22"
(echo >/dev/tcp/www.cyberciti.biz/443) &>/dev/null && echo "Open 443" || echo "Close 443"

ezhov-da

==> https://docs.gradle.org/current/userguide/viewing_debugging_dependencies.html

./gradlew -q dependencies