tmpfs and ramfs podman test on mac

[robert-s-lee]

https://www.redhat.com/sysadmin/replace-docker-podman-macos

docker run --name some-mysql -v /my/own/datadir:/var/lib/mysql -e MYSQL_ROOT_PASSWORD=my-secret-pw -d mysql:tag

podman run --name mysqlpodmanramfs --mount type=tmpfs,destination=/var/lib/mysql -e MYSQL_ROOT_PASSWORD=Password -d mysql

/var/lib/mysql show tmpfs

pple:bash_completion.d rslee$ podman exec -it mysqlpodmanramfs bash
bash-4.4# df -hT
Filesystem Type Size Used Avail Use% Mounted on
overlay overlay 100G 3.0G 97G 3% /
tmpfs tmpfs 64M 0 64M 0% /dev
shm tmpfs 63M 0 63M 0% /dev/shm
tmpfs tmpfs 196M 112K 196M 1% /etc/hosts
tmpfs tmpfs 977M 200M 777M 21% /var/lib/mysql
devtmpfs devtmpfs 4.0M 0 4.0M 0% /dev/tty

if it really fast

export SRCDB_ARC_USER=arcsrc
export SRCDB_ARC_PW=Passw0rd

create_user SRC ${SRCDB_ARC_USER} ${SRCDB_ARC_PW} "" 1

pple:bash_completion.d rslee$ podman machine init
Downloading VM image: fedora-coreos-38.20230918.2.0-qemu.aarch64.qcow2.xz: done 
Extracting compressed file: podman-machine-default_fedora-coreos-38.20230918.2.0-qemu.aarch64.qcow2: done 
Image resized.
Machine init complete
To start your machine run:

 podman machine start

pple:bash_completion.d rslee$ podman machine start
Starting machine "podman-machine-default"
Waiting for VM ...
Mounting volume... /Users:/Users
Mounting volume... /private:/private
Mounting volume... /var/folders:/var/folders

This machine is currently configured in rootless mode. If your containers
require root permissions (e.g. ports < 1024), or if you run into compatibility
issues with non-podman clients, you can switch using the following command:

 podman machine set --rootful

API forwarding listening on: /Users/rslee/.local/share/containers/podman/machine/qemu/podman.sock

The system helper service is not installed; the default Docker API socket
address can't be used by podman. If you would like to install it run the\nfollowing commands:

 sudo /opt/homebrew/Cellar/podman/4.7.0/bin/podman-mac-helper install
 podman machine stop/opt/homebrew/Cellar/podman/4.7.0/bin/podman-mac-helper; podman machine start/opt/homebrew/Cellar/podman/4.7.0/bin/podman-mac-helper

 You can still connect Docker API clients by setting DOCKER_HOST using the
following command in your terminal session:

 export DOCKER_HOST='unix:///Users/rslee/.local/share/containers/podman/machine/qemu/podman.sock'

Machine "podman-machine-default" started successfully

Error: the 'noswap' option is only allowed with rootful tmpfs mounts: must provide an argument for option

[robert-s-lee]

tmpfs has noexec that does not allow ./test.sh. needs to be mounted no exec

tmpfs on /opt/stage/tmpfs type tmpfs (rw,nosuid,nodev,noexec,relatime,mode=755,inode64)