intro (2) - introduction to system calls and error numbers

RFC1451 Manager-to-Manager Management Information Base. [c. 1993/04/01]

RFC1224 Techniques for managing asynchronously generated alerts. [ 1991/05/01]

See Also

On-Line Monitoring: A Tutorial ( Beth A. Schroeder ; IEEE Computer Magazine 1995-06)

How can I handle floating-point exceptions gracefully? []

How can I find the error level of the previous program? []

logger(1) - make entries in the system log {oss}

newsyslog(8) - maintain system log files to manageable sizes {oss}

dmesg(8) - display the system message buffer {oss}

syslogd(8) - log systems messages {oss}

compile_et(1) - error table compiler {oss}

Java Logger - Platform independant way of logging information to the platform's logging service. So far I have JLogger working for Solaris, Linux, and Windows NT. {(L)GPL}

Squid-Graph - Squid-Graph is a Squid webcache/proxy server logfile analyzer that generates reports in the form of graphs/histogram representing the request/transfer traffic against time. {(L)GPL}

LatestLog File Monitoring Utilities - The 'latestlog' package keeps a tiny database of when you last looked at particular file (usually a logfile) using latestlog. If the file has changed (grown) since that last time, latestlog will only display the new contents. Other utils will be adde {(L)GPL}

Xlogmaster - is an X11 program that does comfortable and fast monitoring of all logfiles and every device that allows its status being read by cat (like the /proc devices). {GPL,GNU}

logtools-0.13a - Useful tools to deal with CLF files (Common Log File format)

logmon-0.3.3 - An ncurses-based split window log monitoring program

flog-1.3 - A small STDIN-to-file logger with support for log rotation

flasher-1.3 - Monitors log or mail files for writes, and flashes a keyboard LED

log_analysis-0.41 - A utility that extracts a summary of useful data from logs

passlogd-0.1d - Intercept and dump syslog remote log packets

colorize-0.3.0 - A robust log colorizer

msyslog-1.08f - Flexible and easy to integrate syslog daemon

p5-SyslogScan-0.32 - Perl5 routines to parse system logs

modlogan-0.7.12_1 - A modular log file analysis program

logtool-1.0.6 - Parse syslog logfile into a palatable format

p5-Unix-Syslog-0.95 - Perl5 interface to the UNIX syslog(3) calls

rotate-1.1 - log rotate

sarah-0.8b - Syslog automated Rotation and Archive Handler

vlog-1.1f - A curses based real-time logfile viewer

p5-Parse-Syslog-0.04 - Perl5 routines that present a simple interface to parse syslog files

wots-1.22 - System log watch/alert utility, similar to swatch, written in Perl

zephyr-20000421 - Real time message passing and notification service

xwatch-0.1.0 - A Gtk-based program for watching files (e.g. logs) in a window. [X]

smartlog - Logfile maintenance utility, V2.3, {oss}

prune - Prune tops of line-oriented log files {oss}

agelog - Trim log files while retaining recent entries {oss}

simple-syslog - 'simple' clone of 4.4BSD syslog routines, {oss}

syslog.sysv - SystemV version of syslog {oss}

syslog - Development version of syslog(3), for ATT, too {oss}

Calamaris - Statistic tool for Squid, NetCache and relatives {GPL}

Webalizer - Web server log analysis program {GPL}

Squij - Squid logfile analyzer {GPL}

radiusContext - A RADIUS accounting log analysis package {OpenSource}

unalog - A lightweight, universal logging model for human-machine events. {GPL}

Log Scanner - Real Time log watcher and notification program {GPL}

Secure Syslog - Cryptographically secure system logging tool for UNIX systems {PD}

multisort - small, fast C program that merges httpd logs and orders by date {GPL}

http-analyze - Log analyzer for web servers {free for non-commercial use}

analog - WWW logfile analysis program {free to use but restricted}

Softdog - watchdog daemon that interfaces with the watchdog kernel drivers

sysklogd - System log daemons

Applications and Utilities

err verr errx verrx warn vwarn warnx vwarnx (3) - formatted error messages {oss}

syslog vsyslog openlog closelog setlogmask (3) - control system log {oss}

strerror (3) - get error message string {oss}

perror (3) - write error messages to standard error {oss}

com_err (3) - common error display routine {oss}

libol-0.2.23 - Library needed by syslog-ng

p5-Exception-Class-0.8 - A module that allows you to declare real exception classes in Perl

log4cpp-0.2.7 - A library of C++ classes for flexible logging

libvanessa_logger-0.0.2 - Library that provides a generic logging layer

p5-Log-Agent-0.300 - A set of perl modules that allows you to enhance logging capabilities

p5-Log-Dispatch-1.80 - A suite of OO modules for logging messages to multiple outputs

py22-log4py-0.7.1 - A python logging module

p5-Error-0.14 - Perl module to provide Error/exception support for perl: Error

libshhmsg-1.4.0 - Library for displaying messages

ruby-devel-logger-1.0.0 - A lightweight logging library for Ruby

ruby-log4r-1.0.1 - A flexible logging library written in Ruby

nana-2.4 - Support for assertion checking and logging using GNU C and GDB

p5-Religion-1.04 - Perl5 module to install die() and warn() handlers

p5-Errno-1.09 - A perl5 module providing access to System errno constants

Errors.H,Err_Exit.C,Ferrorf() - SNIPPETS formatted error handlers {oss}

Errfix.C - Redirect stderr to a file {oss}

syslog.sysv - SystemV version of syslog {oss}

syslog - Development version of syslog(3), for ATT, too {oss}

unalog - A lightweight, universal logging model for human-machine events. Library to records event properties as XML. {GPL,Java}

Sys::OutPut - Defines subroutines "out", "put", "err", "talk", and "debug", all of which behave like printf but keep you from having to type that horrible filehandle (STDOUT or STDERR). [Perl] {oss}

Log::Topics - Control flow of system messages. [Perl] {oss}

Logfile - Generate ASCII reports from arbitrary logfiles. [Perl] {oss}

SyslogScan - Routines for parsing system logs. Also see the Syslog module bundled with Perl and the Logfile module. [Perl] {oss}

Libraries and Functions

(The following links to subjects at this site retain your personalized selections.)

See also: Message Catalogs/Local language adaptations - Message catalogs, local language adaptations. error message tables, etc.

Up to Execution

freshmeat.net : Topic : System : Logging

(Metalab at UNC) /pub/linux/system/admin/log/ - utilities for clearing, rotating, and digesting system logs

freshmeat.net : Topic : Internet : Log Analysis