37 lines
1.0 KiB
Bash
37 lines
1.0 KiB
Bash
for g in sales market; do
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getent group "$g" >/dev/null && refuse "group $g already exists; remove it and start again"
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done
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for g in 3000 3001; do
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getent group "$g" >/dev/null && refuse "GID $g is already in use"
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done
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for g in projects support; do
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getent group "$g" >/dev/null || { groupadd "$g"; echo "$g" >>"$LAB_STATE/groups"; }
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done
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user_add alice -G projects
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user_add bob -G support
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mkdir -p /usr/local/lib/le-lab
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cat >/usr/local/lib/le-lab/watch.sh <<'X'
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#!/bin/bash
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# Notes each change of what snap prints.
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log=$1 prev=''
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snap() { grep -E '^(sales|market):' /etc/group | tr '\n' ' '; }
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while :; do
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cur=$(snap)
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[ "$cur" = "$prev" ] || { printf '%s\n' "$cur" >>"$log"; prev=$cur; }
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sleep 1
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done
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X
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cat >/etc/systemd/system/le-lab-watch.service <<X
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[Unit]
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Description=LINUXexpert practice lab: note the sales group
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[Service]
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ExecStart=/bin/bash /usr/local/lib/le-lab/watch.sh $LAB_STATE/watch.log
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Restart=always
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[Install]
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WantedBy=multi-user.target
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X
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systemctl daemon-reload
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systemctl enable --now --quiet le-lab-watch.service
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