HA-Tools HA-Tools provide some programs to improve shell scripting in a High Availability environment.
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shell improve improve shell scripting High Availability environment locking in shell scripts HA-Tools

HA-Tools Description

HA-Tools provide some programs to improve shell scripting in a High Availability environment. HA-Tools provide some programs to improve shell scripting in a High Availability environment.The halockrun program provides a simple and reliable way to implement a locking in shell scripts. A typical usage for halockrun is to prevent cronjobs to run simultanously. halockrun uses a lock on a file via fcntl(2) which ensures the release of the lock even if the process gets killed via SIGKILL. The hatimerun program provides a time-out mechanism which can be used from shell scripts.What's New in This Release:· This release features some extensions and clarifications about the exit codes returned by halockrun and hatimerun. What's New in This Release: · An environment manipulation problem in hatimerun and halockrun was fixed. · The environment variable POSIXLY_CORRECT is set by hatools to allow proper command line parsing. The environment was not reverted before the protected command was started and might have caused improper command line parsing in the executed command. · The fix makes sure the environment is reverted to it's original state before the actual command is started. · Again, Thx to Vallo Kallaste for the report and the retest.

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