11-19-2019
Bit vague requirement, processes must be running on servers
Using, for instance,
local5.info facility and
logger command inside a shell script.
You configure that servers syslog to send logs to your central syslog server for that facility on IP using UDP or TCP.
Central syslog server will receive / parse etc. the logs messages.
Great choice for server side is any OS that can run rsyslog, which is good software, highly customizable.
Benefits arise when using ZFS filesystems on BSD/Solaris and Linux, when using compressed file systems to store logs.
Be sure to read about maximum message length limits and stuff, so you do not get into surprises.
Hope that helps
Regards
Peasant.
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LEARN ABOUT DEBIAN
logger
LOGGER(1) User Commands LOGGER(1)
NAME
logger -- a shell command interface to the syslog(3) system log module
SYNOPSIS
logger [-dhisV] [-f file] [-n server] [-P port] [-p pri] [-t tag] [-u socket] [message]
DESCRIPTION
logger makes entries in the system log. It provides a shell command interface to the syslog(3) system log module.
Options:
-d, --udp
Use datagram (UDP) instead of the default stream connection (TCP).
-i, --id
Log the process ID of the logger process with each line.
-f, --file file
Log the contents of the specified file. This option cannot be combined with a command-line message.
-h, --help
Display a help text and exit.
-n, --server server
Write to the specified remote syslog server using UDP instead of to the builtin syslog routines.
-P, --port port
Use the specified UDP port. The default port number is 514.
-p, --priority priority
Enter the message into the log with the specified priority. The priority may be specified numerically or as a facility.level pair.
For example, -p local3.info logs the message as informational in the local3 facility. The default is user.notice.
-s, --stderr
Output the message to standard error as well as to the system log.
-t, --tag tag
Mark every line to be logged with the specified tag.
-u, --socket socket
Write to the specified socket instead of to the builtin syslog routines.
-V, --version
Display version information and exit.
-- End the argument list. This is to allow the message to start with a hyphen (-).
message Write the message to log; if not specified, and the -f flag is not provided, standard input is logged.
The logger utility exits 0 on success, and >0 if an error occurs.
Valid facility names are: auth, authpriv (for security information of a sensitive nature), cron, daemon, ftp, kern (can't be generated from
user process), lpr, mail, news, security (deprecated synonym for auth), syslog, user, uucp, and local0 to local7, inclusive.
Valid level names are: alert, crit, debug, emerg, err, error (deprecated synonym for err), info, notice, panic (deprecated synonym for
emerg), warning, warn (deprecated synonym for warning). For the priority order and intended purposes of these levels, see syslog(3).
EXAMPLES
logger System rebooted
logger -p local0.notice -t HOSTIDM -f /dev/idmc
logger -n loghost.example.com System rebooted
SEE ALSO
syslog(3), syslogd(8)
STANDARDS
The logger command is expected to be IEEE Std 1003.2 (``POSIX.2'') compatible.
AVAILABILITY
The logger command is part of the util-linux package and is available from ftp://ftp.kernel.org/pub/linux/utils/util-linux/.
util-linux August 2011 util-linux