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| go clean -cache -modcache -i -r |
koungkub
/ permission.sh
Created
April 3, 2023 07:13
docker user permission, full error (chown: changing ownership of '/absolute/path': Permission denied)
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| sudo chown "$USER":"$USER" /home/"$USER"/.docker -R | |
| sudo chmod g+rwx "$HOME/.docker" -R |
koungkub
/ cloud-init.yml
Last active
February 27, 2023 09:48
cloud-init file for local ssh to multipass instance
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| users: | |
| - default | |
| - name: ubuntu | |
| sudo: ALL=(ALL) NOPASSWD:ALL | |
| ssh_authorized_keys: | |
| - {Your local's public key} |
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| sbt new sbt/scala-seed.g8 |
koungkub
/ docker-compose.yml
Last active
April 3, 2023 11:06
Create postgresql instance through docker-compose
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| version: '3.7' | |
| services: | |
| pg: | |
| image: postgres:15-bullseye | |
| restart: always | |
| networks: | |
| - internal | |
| shm_size: 256mb | |
| healthcheck: | |
| test: [ 'CMD', 'pg_isready', '-U', 'postgres' ] |
koungkub
/ utility.sh
Created
August 28, 2022 17:13
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| # linux-based | |
| netstat -lnptu | |
| # mac-based | |
| lsof -i 8080 | grep LISTEN | |
| ps -ef | grep 1029 | |
| kill -9 1029 |
koungkub
/ system_info.sh
Created
August 22, 2022 06:06
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| # linux system infomation | |
| lsb_release -a | |
| # macos system information | |
| sw_vers | |
| # kernal information | |
| uname -a |
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| # debian based | |
| # Protect Against TCP Time-Wait | |
| net.ipv4.tcp_tw_reuse = 1 | |
| net.ipv4.tcp_tw_recycle = 1 | |
| net.ipv4.tcp_rfc1337 = 1 | |
| # reload | |
| # sysctl -p |
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| // install | |
| sudo apt install fio -y | |
| // read | |
| fio --randrepeat=1 --ioengine=libaio --direct=1 --gtod_reduce=1 --name=test --filename=random_read.fio --bs=4k --iodepth=64 --size=4G --readwrite=randread; | |
| // write | |
| fio --randrepeat=1 --ioengine=libaio --direct=1 --gtod_reduce=1 --name=test --filename=random_write.fio --bs=4k --iodepth=64 --size=4G --readwrite=randwrite; |
koungkub
/ sysctl.conf
Created
April 27, 2020 13:53
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| # | |
| # /etc/sysctl.conf - Configuration file for setting system variables | |
| # See /etc/sysctl.d/ for additional system variables. | |
| # See sysctl.conf (5) for information. | |
| # | |
| #kernel.domainname = example.com | |
| # Uncomment the following to stop low-level messages on console | |
| #kernel.printk = 3 4 1 3 |
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