riyandika

[riyandika]

brew install

Right click Terminal from the Application/Utilities folder, Get Info, and tick the "Open using Rosetta" box.

Uninstall Homebrew

/bin/bash -c "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/uninstall.sh)" rm -rf /opt/homebrew/* sudo rm -rf /opt/homebrew

Reinstall Homebrew

/bin/bash -c "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/HEAD/install.sh)"

Restart terminal

Check Homebrew is working fine: brew doctor

Reinstall openssl: brew install openssl

Install Ruby: rvm install 2.5.0

[riyandika]

Install Jmeter Mac

brew install jmeter

jmeter

[riyandika]

MySQL Clone DB

mysqldump -u SOURCE_USERNAME --host=SOURCE_HOST --password='SOURCE_PASSWORD' SOURCE_DBNAME --no-tablespaces | mysql -u TARGET_USERNAME -p TARGET_DBNAME

[riyandika]

Logrotate

Rotate log to prevent getting too big

based on: https://gorails.com/guides/rotating-rails-production-logs-with-logrotate

Open /etc/logrotate.conf

add this: /home/deploy/APPNAME/current/log/*.log { daily missingok rotate 7 compress delaycompress notifempty copytruncate }

daily – Rotate the log files each day. You can also use weekly or monthly here instead.

missingok – If the log file doesn’t exist, ignore it

rotate 7 – Only keep 7 days of logs around

compress – GZip the log file on rotation

delaycompress – Rotate the file one day, then compress it the next day so we can be sure that it won’t interfere with the Rails server

notifempty – Don’t rotate the file if the logs are empty

copytruncate – Copy the log file and then empties it. This makes sure that the log file Rails is writing to always exists so you won’t get problems because the file does not actually change. If you don’t use this, you would need to restart your Rails application each time.

run this: /usr/sbin/logrotate -f /etc/logrotate.conf

[riyandika]

Folder size

du -h --max-depth=1 /path/to/directory

du -h -d 1 /path/to/directory

[riyandika]

grpc PHP Pecl

PHP Warning: PHP Startup: Unable to load dynamic library 'grpc.so' (tried: /usr/lib/php/20190902/grpc.so (/usr/lib/php/20190902/grpc.so: cannot open shared object file: No such file or directory), /usr/lib/php/20190902/grpc.so.so (/usr/lib/php/20190902/grpc.so.so: cannot open shared object file: No such file or directory)) in Unknown on line 0

the problem is extension and PHP compiled with different API version. Solve this by defining PHP version

pecl -d php_suffix=7.4 install grpc

[riyandika]

Rabbitmq Debian 10 Buster

from https://www.rabbitmq.com/install-debian.html#apt-cloudsmith

Shell script

#!/usr/bin/sh apt-get install curl gnupg apt-transport-https -y ## Team RabbitMQ's main signing key curl -1sLf "https://keys.openpgp.org/vks/v1/by-fingerprint/0A9AF2115F4687BD29803A206B73A36E6026DFCA" | gpg --dearmor > /usr/share/keyrings/com.rabbitmq.team.gpg ## Cloudsmith: modern Erlang repository curl -1sLf https://dl.cloudsmith.io/public/rabbitmq/rabbitmq-erlang/gpg.E495BB49CC4BBE5B.key | gpg --dearmor > /usr/share/keyrings/io.cloudsmith.rabbitmq.E495BB49CC4BBE5B.gpg ## Cloudsmith: RabbitMQ repository curl -1sLf https://dl.cloudsmith.io/public/rabbitmq/rabbitmq-server/gpg.9F4587F226208342.key | gpg --dearmor > /usr/share/keyrings/io.cloudsmith.rabbitmq.9F4587F226208342.gpg ## Add apt repositories maintained by Team RabbitMQ tee /etc/apt/sources.list.d/rabbitmq.list <<EOF ## Provides modern Erlang/OTP releases ## ## "bionic" as distribution name should work for any reasonably recent Ubuntu or Debian release. deb [signed-by=/usr/share/keyrings/net.launchpad.ppa.rabbitmq.erlang.gpg] http://ppa.launchpad.net/rabbitmq/rabbitmq-erlang/ubuntu bionic main deb-src [signed-by=/usr/share/keyrings/net.launchpad.ppa.rabbitmq.erlang.gpg] http://ppa.launchpad.net/rabbitmq/rabbitmq-erlang/ubuntu bionic main ## Provides RabbitMQ ## deb [signed-by=/usr/share/keyrings/io.packagecloud.rabbitmq.gpg] https://packagecloud.io/rabbitmq/rabbitmq-server/ubuntu/ buster main deb-src [signed-by=/usr/share/keyrings/io.packagecloud.rabbitmq.gpg] https://packagecloud.io/rabbitmq/rabbitmq-server/ubuntu/ buster main EOF ## Update package indices apt-get update -y ## Install Erlang packages apt-get install -y erlang-base \ erlang-asn1 erlang-crypto erlang-eldap erlang-ftp erlang-inets \ erlang-mnesia erlang-os-mon erlang-parsetools erlang-public-key \ erlang-runtime-tools erlang-snmp erlang-ssl \ erlang-syntax-tools erlang-tftp erlang-tools erlang-xmerl ## Install rabbitmq-server and its dependencies apt-get install rabbitmq-server -y --fix-missing

Got some errors

found this https://stackoverflow.com/questions/23106813/error-with-rabbit-mq-server

rabbitmq-server start, got some error

found this https://stackoverflow.com/questions/48674104/clang-error-while-loading-shared-libraries-libtinfo-so-5-cannot-open-shared-o

solved

[riyandika]

Docker Prune

docker image prune

docker volume prune

docker system prune

https://docs.docker.com/config/pruning/

[riyandika]

Apache Certbot redirect to WWW

2 vhosts:

non-www vhosts: <VirtualHost *:80>

ServerName example.com

Redirect permanent / http://www.example.com/

</VirtualHost>

www vhosts: your regular yadda-yadda vhosts

a2ensite non-www vhosts

a2ensite www vhosts

certbot

select your warrior

done

[riyandika]

Android Debug over Wifi

Source:https://simbeez.com/android/how-to-debug-android-app-over-wifi/

Connect device via USB 

Get list of connected devices adb devices

Restart tcp mode adb tcpip 5555

Find device IP address settings->about->status->IP Address

Connect device to computer adb connect 192.168.1.10 or adb connect 192.168.1.10:5555

disconnect device from computer adb disconnect 192.168.1.10

[riyandika]

PHP Cache Header

$cache_length = 86400; // 60 * 60 * 24 $cache_expire_date = gmdate("D, d M Y H:i:s", time() + $cache_length); header("Expires: $cache_expire_date"); header("Pragma: cache"); header("Cache-Control: max-age=$cache_length"); header("User-Cache-Control: max-age=$cache_length"); 

[riyandika]

Terminal delete file name contain

find . -name 'ci_session*' -delete

[riyandika]

Count file inside folder

for i in /var/*; do echo $i; find $i |wc -l; done

[riyandika]

check free disk space

df

To check inode

df -i

[riyandika]

Command Prompt IP Scanner

for /L %i in (0,1,255) do ping -n 1 -w 250 192.168.100.%i>>ipaddress.txt

[riyandika]

This is incompatible with sql_mode=only_full_group_by

SET GLOBAL sql_mode=(SELECT REPLACE(@@sql_mode,'ONLY_FULL_GROUP_BY',''));

[riyandika]

Zircote Inheritance and Polymorphism

/**  *  @OA\Schema(  *   schema="Pet",  *   type="object",  *   allOf={  *       @OA\Schema(ref="#/components/schemas/NewPet"),  *       @OA\Schema(  *           required={"id"},  *           @OA\Property(property="id", format="int64", type="integer")  *       )  *   }  * )  */ 

extending schema