wiki / init / sysmgr
Edited () at 2020-06-28 by Dylan Araps
Managing services with SYSMGR
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sysmgr is an alternative service supervisor written in POSIX sh. It is similar
in usage to runit.
Installation
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Begin by first verifying that you have sysmgr installed.
+------------------------------------------------------------------------------+
| |
| # Available in the Community repository. |
| $ kiss b sysmgr && kiss i sysmgr |
| |
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Basic usage
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As mentioned above, the usage of sysmgr is similar to runit.
+---------+--------------------------------------------------------------------+
| Action | Command |
+---------+--------------------------------------------------------------------+
| List | $ ls /etc/sysmgr/ |
| | |
| Enable | $ ln -s /etc/sysmgr/SERVICE_NAME /var/sysmgr |
| Disable | $ unlink /var/sysmgr/SERVICE_NAME |
| | |
| Stop | $ svctl stop SERVICE_NAME |
| Start | $ svctl start SERVICE_NAME |
| | |
+---------+--------------------------------------------------------------------+
See svctl(1) for more usage information.
Running sysmgr on startup
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sysmgr can be run at boot via /etc/inittab or a hook in /etc/rc.d.
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| Enabling on inittab |
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| |
| ::respawn:/usr/bin/sysmgr |
| |
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| Enabling from /etc/rc.d/sysmgr.boot |
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| |
| while :; do /usr/bin/sysmgr; done & |
| |
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Switching from runit
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In order to switch from runit to sysmgr, copy the contents of the /var/service
directory to /var/sysmgr, and the same for /etc/sv to /etc/sysmgr.
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| Create the service directory for sysmgr |
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| |
| $ mkdir -p /etc/sysmgr |
| |
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| Copy runit services |
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| |
| for service in /etc/sv/*; do |
| cp "$service/run" "/etc/sysmgr/${service##*/}" |
| done |
| |
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| Copy all enabled services |
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| |
| for service in /var/service/*; do |
| ln -sf /etc/sysmgr/${service##*/} /var/sysmgr |
| done |
| |
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Dylan Araps (C) 2019-2020
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