diff --git a/CHANGELOG.md b/CHANGELOG.md
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+++ b/CHANGELOG.md
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+# Revision history for logging-effect-syslog
+
+## 0.1.0.0
+
+* Provides `logToSyslog`
diff --git a/LICENSE b/LICENSE
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--- /dev/null
+++ b/LICENSE
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+Copyright (c) 2021, Obsidian Systems LLC
+
+All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+    * Redistributions of source code must retain the above copyright
+      notice, this list of conditions and the following disclaimer.
+
+    * Redistributions in binary form must reproduce the above
+      copyright notice, this list of conditions and the following
+      disclaimer in the documentation and/or other materials provided
+      with the distribution.
+
+    * Neither the name of Obsidian Systems LLC nor the names of other
+      contributors may be used to endorse or promote products derived
+      from this software without specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
diff --git a/README.md b/README.md
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+++ b/README.md
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+# logging-effect-syslog
+[![Haskell](https://img.shields.io/badge/language-Haskell-orange.svg)](https://haskell.org) [![Hackage](https://img.shields.io/hackage/v/logging-effect-syslog.svg)](https://hackage.haskell.org/package/logging-effect-syslog) [![Github CI](https://github.com/obsidiansystems/logging-effect-syslog/workflows/github-action/badge.svg)](https://github.com/obsidiansystems/logging-effect-syslog/actions) [![BSD3 License](https://img.shields.io/badge/license-BSD3-blue.svg)](https://github.com/obsidiansystems/logging-effect-syslog/blob/master/LICENSE)
+
+A logging `Handler` for [logging-effect](https://hackage.haskell.org/package/logging-effect) that uses [hsyslog](https://hackage.haskell.org/package/hsyslog) to write log messages to a posix-compliant [syslog](https://pubs.opengroup.org/onlinepubs/9699919799/functions/syslog.html).
diff --git a/logging-effect-syslog.cabal b/logging-effect-syslog.cabal
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+++ b/logging-effect-syslog.cabal
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+cabal-version:      >=1.10
+name:               logging-effect-syslog
+version:            0.1.0.0
+synopsis:           Log messages to a posix system log via logging-effect
+description:
+  A 'Handler' for logging-effect that prints log messages to a posix system log
+
+homepage:           https://github.com/obsidiansystems/logging-effect-syslog
+bug-reports:
+  https://github.com/obsidiansystems/logging-effect-syslog/issues
+
+license:            BSD3
+license-file:       LICENSE
+author:             Obsidian Systems LLC
+maintainer:         maintainer@obsidian.systems
+copyright:          2021 Obsidian Systems LLC
+category:           System
+build-type:         Simple
+extra-source-files: CHANGELOG.md README.md
+
+library
+  exposed-modules:  Control.Monad.Log.Syslog
+  build-depends:
+      base            >=4.12 && < 5
+    , bytestring      >=0.10 && <0.12
+    , hsyslog         >=5    && <5.1
+    , logging-effect  >=1.3  && <1.5
+
+  hs-source-dirs:   src
+  default-language: Haskell2010
+  default-extensions: LambdaCase
diff --git a/src/Control/Monad/Log/Syslog.hs b/src/Control/Monad/Log/Syslog.hs
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+++ b/src/Control/Monad/Log/Syslog.hs
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+module Control.Monad.Log.Syslog where
+
+import Control.Monad.IO.Class
+import Control.Monad.Log
+import Data.ByteString.Char8 as C8
+import Data.ByteString.Unsafe (unsafeUseAsCStringLen)
+import System.IO
+import Data.String
+import qualified System.Posix.Syslog as Posix
+
+-- | Log messages to a posix system log. The string argument is a tag that can
+-- be used to identify log messages produced by this logger.
+-- You can, for instance, run @journalctl --user -t mytag@ to see log messages
+-- tagged with @"mytag"@.
+logToSyslog :: (MonadIO m) => String -> Handler m (WithSeverity ByteString)
+logToSyslog tagstr = \(WithSeverity sev msg) ->
+  liftIO $ Posix.withSyslog tagstr [Posix.DelayedOpen] Posix.User $
+    unsafeUseAsCStringLen msg $
+      Posix.syslog Nothing (syslogPriority sev)
+
+syslogPriority :: Severity -> Posix.Priority
+syslogPriority = \case
+  Emergency -> Posix.Emergency  
+  Alert -> Posix.Alert  
+  Critical -> Posix.Critical  
+  Error -> Posix.Error  
+  Warning -> Posix.Warning  
+  Notice -> Posix.Notice  
+  Informational -> Posix.Info 
+  Debug-> Posix.Debug