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3 posts tagged with "coredump"

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coredump related settings

· One min read

1. coredump limits​

  • for this login time
ulimits -c unlimited
  • for the permanent time
vim /etc/security/limits.conf

*               soft    core            unlimited
*               hard    core            unlimited

2. coredump file path​

sudo sysctl -w kernel.core_pattern="|/tmp/core_dump_example.py %e"

man core for the details about % part like %e in coredump file name

3. generating coredump​

kill -SIGSEGV ${PID}

generate coredump for docker container

· One min read
  • use --cap-add=SYS_PTRACE flag when running the container
docker run --cap-add=SYS_PTRACE ...
  • add it to a docker-compose file
version: '3'
services:
  your-service:
    image: your-image
    cap_add:
      - SYS_PTRACE