show env

Display current load balancer process and environment information.

Description Jump to heading #

Use show env to show environment variables and information from the running configuration.

Examples Jump to heading #

Display all environment information Jump to heading #

Query the Runtime API with show env to display environment information.

nix
echo "show env" | \
  sudo socat stdio tcp4-connect:127.0.0.1:9999

nix
echo "show env" | \
  sudo socat stdio tcp4-connect:127.0.0.1:9999

output
text
LANG=C.UTF-8
PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/snap/bin
NOTIFY_SOCKET=/run/systemd/notify
INVOCATION_ID=7a7ca4b99e3b4b928a33151b92f10614
JOURNAL_STREAM=9:12696369
CONFIG=/etc/hapee-3.1/hapee-lb.cfg
PIDFILE=/run/hapee-3.1-lb.pid
OPTIONS=
HAPROXY_LOCALPEER=haproxy1
HAPROXY_CFGFILES=/etc/hapee-3.1/hapee-lb.cfg
HAPROXY_MWORKER=1
HAPROXY_CLI=unix@/var/run/hapee-3.1/hapee-lb.sock;sockpair@7
HAPROXY_MWORKER_REEXEC=1

output
text
LANG=C.UTF-8
PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/snap/bin
NOTIFY_SOCKET=/run/systemd/notify
INVOCATION_ID=7a7ca4b99e3b4b928a33151b92f10614
JOURNAL_STREAM=9:12696369
CONFIG=/etc/hapee-3.1/hapee-lb.cfg
PIDFILE=/run/hapee-3.1-lb.pid
OPTIONS=
HAPROXY_LOCALPEER=haproxy1
HAPROXY_CFGFILES=/etc/hapee-3.1/hapee-lb.cfg
HAPROXY_MWORKER=1
HAPROXY_CLI=unix@/var/run/hapee-3.1/hapee-lb.sock;sockpair@7
HAPROXY_MWORKER_REEXEC=1

Display only one environment variable’s information Jump to heading #

Provide the name of a specific environment variable to the show env command to show only that environment variable. Here we retrieve HAPROXY_UID:

nix
echo "show env HAPROXY_UID" | \
  sudo socat stdio tcp4-connect:127.0.0.1:9999

nix
echo "show env HAPROXY_UID" | \
  sudo socat stdio tcp4-connect:127.0.0.1:9999

output
text
HAPROXY_UID=haproxy

output
text
HAPROXY_UID=haproxy

See also Jump to heading #

• show info