php and web sockets

 http://socketo.me/  igalina paleisti php serveri klausanti kakzoki tai porta, kad galetume apdoroti websocket susijungimus, uzklausas

shell script as a daemon

 https://unix.stackexchange.com/questions/426862/proper-way-to-run-shell-script-as-a-daemon

template:

https://gist.github.com/shawnrice/11076762

PWA push notifications, indexed db storage

 https://www.smashingmagazine.com/2018/11/guide-pwa-progressive-web-applications/

PWA tricks

 https://github.com/deanhume/pwa-tips-tricks

PWA - progressive web app - add to home screen, register service-worker (sw.js)

 https://www.simicart.com/blog/pwa-add-to-home-screen/ 

https://www.simicart.com/blog/pwa-service-worker/

https://notificare.com/blog/2020/05/01/How-to-make-an-installable-pwa/

https://codelabs.developers.google.com/codelabs/add-to-home-screen/index.html

privalo buti tinkamas manivestas ir registeed servide weokeris.

tinkamai viska altikus, narsykle pati isullo instaliuoti. appsas instaliuojasi telefone prie visu appsu.

sync data, build apk, windows store app:

https://www.creativebloq.com/features/9-amazing-pwa-secrets

https://www.pwabuilder.com/

https://www.pwabuilder.com/imageGenerator

https://www.dunplab.it/pwa-tester-online

offline, caching

https://medium.com/samsung-internet-dev/pwa-series-service-workers-the-basics-about-offline-a6e8f1d92dfd

browser imitavimas, automatizavimas

 node + selenium-webdriver + chromdriver.  Galimybe virtualiai uzkrauti psl ir pagal xpath trigetint veiksums ar nuskaityti info,. console, tinkla ir t.t.

mysql klonavimas per cmd tam paciam serve

 https://stackoverflow.com/questions/675289/cloning-a-mysql-database-on-the-same-mysql-instance

git detached head sutaisymas

 https://www.shellhacks.com/git-detached-head-fix-go-back/

komandų paleidimas kitame serveryje per SSH

 https://www.shellhacks.com/ssh-execute-remote-command-script-linux/

kaip aptrasti loguose IP

 https://www.shellhacks.com/regex-find-ip-addresses-file-grep/

git lokalios direktorijos sharinimas tarp linux useriu

https://stackoverflow.com/questions/3242282/how-to-configure-an-existing-git-repo-to-be-shared-by-a-unix-group#

php-fpm derinimai

php-fpm turi atskirus failus per user:  /etc/php.d  ten reikai nustatyti server limitus
https://tideways.com/profiler/blog/an-introduction-to-php-fpm-tuning

php session lock

php session  keep locked file until script ends or you call session_write_close();
https://jennifersoft.com/en/blog/tech/2019-04-08/
https://stackoverflow.com/questions/13946033/is-it-recommended-to-store-php-sessions-in-memcache