Re: container / can't connect to localhost via Firefox - logs: s6-supervise (child): fatal: unable to exec run: Permission denied

[Daniel Walsh]

On 1/24/19 5:49 PM, arnaud gaboury wrote:
>  I am following this wiki[0] to run R Studio on my box. Below are the
>  commands I run
>
>  ----------------------
>  # podman run -d -p 8787:8787 -e PASSWORD=XXX --name rstudio
>  rocker/tidyverse
>  ..........
>  Storing signatures
>  a72fac512b891c21f0654334a2032b0d67b87720cb986a092237ab272d245f8d
>  -----------------------------------
>  At this point, I am supposed to access the R studio app via my Firefox
>  browser on port 8787 on localhost, which I can't.
>
>  Debuging:
>  --------------------------------------------
>  - Is the container running?
>   # podman ls
>  CONTAINER ID  IMAGE                              COMMAND 
>  CREATED        STATUS            PORTS                   NAMES
>  a72fac512b89  docker.io/rocker/tidyverse:latest
>  <http://docker.io/rocker/tidyverse:latest>  /init    2 minutes ago  Up
>  2 minutes ago  0.0.0.0:8787->8787/tcp  rstudio
>
>  -Is the 8787 port open?
>   # podman port a72fac512b89
>  8787/tcp -> 0.0.0.0:8787 <http://0.0.0.0:8787>
>   # lsof -i -P -n | grep LISTEN
>  8:cupsd       984   root    8u  IPv6  35102      0t0  TCP [::1]:631
>  (LISTEN)
>  9:cupsd       984   root    9u  IPv4  35103      0t0  TCP
>  127.0.0.1:631 <http://127.0.0.1:631> (LISTEN)
>  67:conmon    12891   root    5u  IPv4 453576      0t0  TCP *:8787 (LISTEN)
>
>  - Can I ping localhost, 0.0.0.0, 127.0.0.1, yogabx (hostname),
>  192.168.1.92 (returned by ip -a)
>  YES
>
>  - Do I have any firewall/iptable running?
>   # systemctl status firewalld.service
>  ● firewalld.service
>     Loaded: masked (Reason: Unit firewalld.service is masked.)
>     Active: inactive (dead)
>  NO iptables
>
>  # curl localhost:8787
>  curl: (7) Failed to connect to localhost port 8787: Connection refused
>
>  # podman logs a72fac512b89
>  [fix-attrs.d] applying owners & permissions fixes...
>  [fix-attrs.d] 00-runscripts: applying...
>  [fix-attrs.d] 00-runscripts: exited 0.
>  [fix-attrs.d] done.
>  [cont-init.d] executing container initialization scripts...
>  [cont-init.d] add: executing...
>  Nothing additional to add
>  [cont-init.d] add: exited 0.
>  [cont-init.d] userconf: executing...
>  [cont-init.d] userconf: exited 0.
>  [cont-init.d] done.
>  [services.d] starting services
>  [services.d] done.
>  s6-supervise (child): fatal: unable to exec run: Permission denied
>  s6-supervise rstudio: warning: unable to spawn ./run - waiting 10 seconds
>  s6-supervise (child): fatal: unable to exec run: Permission denied
>  s6-supervise rstudio: warning: unable to spawn ./run - waiting 10 seconds
>  ..... and so on
>
>  ----------------------------
>
>  Googling this issue (s6-supervise (child): fatal: unable to exec run:
>  Permission denied), I found a few reported issues like this one[1],[2]
>  I don't understand what is behind, so can anyone help me to solve this
>  issue (if I can).
>
>  Thank you
>
>  [0]https://github.com/rocker-org/rocker/wiki/Using-the-RStudio-image
>  [1]https://github.com/linuxserver/docker-plex/issues/76
>  [2]https://github.com/linuxserver/docker-sonarr/issues/28
>
>
>
>
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Permission denied often indicates and SELinux issue?