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supportconfig
(shell, Suse)
RHEL sos Siga
(shell, Linux)
Red Hat Sysreport
(RHEL Abandonware)
etckeeper M-Backup
(shell )
confstore
(perl, linux)
SCC
(perl, Linux)
dconf
(Python)
SPM
(AIX)
Classic Unix Tools  
diff Tools for detecting changes in sources dirdiff Meld Configuration Generation sysinfo-dc
(shell, HP-UX, alpha version)
Integrity Checkers Software Distribution   Sysadmin Horror Stories

Humor

Etc

If you install a system in enterprise environment it's foolish to think you'll be the only person ever working on it. That means that you need to be aware of what other people doing with the system. Also you probably will not remember details of your own actions in three months or so.  Also after the crash you sometimes can't locate a realible back and need to reinstall system from scratch. Without knowing all the setting that can be problematic, especially if this is a non-standard installation with Infiniband, multipath, etc.

Unfortunately baseliners are not the type of software that is actively maintained. So you are essentially stack with those provided by vendors, or need to maintain your own.  For example

  1. Red Hat sosreport. It can generate HTML report using option --report which enable html report writing.   see also RHEL sos

    Once completed, sosreport will generate a compressed a file under /tmp (for RHEL6 and earlier) or under /var/tmp (for RHEL7 and later). Different versions use different compression schemes (gz, bz2, or xz). The file should be provided to your support representative (normally as an attachment to an open support case).

  2. supportconfig -- this is a huge shell script maintained by Suse. It collects important system information for troubleshooting Suse systems and integrates it into a report. Used in mainly in SLES for troubleshooting server problems.  While it is a Suse tuned solution, the coding is pretty transparent and can be modified extended to other flavors of Linux. My experience with SLES had shown that it is a very effective troubleshooting tool.

That does not mean that you can't write a script to postprocess the result, making them more suitable for your needs. 

The value of baselines is much greater that one can imagine from thier role in troubleshooting problems with vendor support. Sometimes system administrators tend to do stupid things about which they instantly forget in the flow of events. Troubleshooting consequences of such actions can take enormous amount of time that can better be spent on other things.

NOTE:

Suse YaST contains a backup applet that uses tar for creating baseline of the system. It contains all the critical files that can help to restore you system after you reinstalled the OS. You can use this tool to create several backup profiles, depending on your strategy. The System Backup and Restore System tools are both located in the YaST System page. The first time you start System Backup, you will get a blank page. You must first create a backup profile.

Enterprise servers are typically in a constant state of change as the result of patches and changes in environment, installed software and libraries as well as possible hardware changes. So baseline configuration changes with time and we should shore a series of snapshots into a state of the system over time. Which now can be done using  FIT USB flash drives  Creation of a baseline is an important step toward establishing Configuration Management (CM) infrastructure, which is a collection of activities focused on establishing and maintaining the integrity of products and systems via control of the processes for changing, and monitoring the those changes. Existence of a set of baseline configurations (even in most primitive form of tar files or /etc and several other directories) is the cornerstone of configuration management.

Most existing baseliners for Linux are simple scripts written iether in shell or Perl that save "the current server configuration" (ad hic set of key configuration files) in a form of an easy to analyze report: The key here "easy to analyze"

Baseliners are simple scripts that save the current server configuration (key configuration files) in a form of an easy to analyze report. Baseline providers some additional forms of organization of this information with the report format, including content, cross references, etc.

Informally baseliner reports can be viewed as a special, new type of system log. Periodic (once a day, a week or a month) generation of such baselines is especially important for business critical servers.

If you have a snapshot of the system configuration file in a form of well organized report it is easier to understand what was changed since the state in which the server worked normally (and sometimes, why ;-).

there are two time of baselines: provider by vendor of the falvour of Linux you use (SOS for RHEL supportconfig for SUse, etc) and third party open source packages. The latter are usually badly maintained and are not accepted by helpdesk or iether Red Hat or Suse.

At the same time using some open source code as a base you can create you own baseliner, which might be more helpful then standard. Also you can postporocess the standrd creating you own report. The latter is probably a better way. 

Typical information included into the baseline

Typical the following information is included into baseline:

Best open source baselines for Linux

If you know Perl, Python or other scripting language the baseliner written in this language is preferable. You can maintain it with minimum of efforts.  Otherwise baseline written in shell is the best.

Among best tools that can create baseline of the system we can mention the following:

Scripting languages:

  1. SLACK (Sysadmins' Lazy Auto-Configuration Kit) is a configuration management system designed to appeal to lazy system administrators. It's an evolution from the fairly common practice of putting files in some central directory. It's descended from an earlier system called "subsets", and uses a multi-stage rsync to fix some of the problems in that system.
  2. SCC is tool written in Perl. Way too complex. It is implemented as client-server solution which generally in not needed, and is more complex then necessary. It is also more complex then confstore.
  3. dconf is a Python script. Might make sense for people who know Python instead of Perl.
  4. confstore is not really a baseliner as it does not produce a report. It is a simple Perl script that creates a tar archive of selected configuration files. GPL license. Code is pretty convoluted and some design decisions are questionable. It was not updated since 2004.

Shell

  1. Red Hat sosreport. It can generate HTML report using option --report which enable html/xml report writing. 

    Once completed, sosreport will generate a compressed a file under /tmp (for RHEL6 and earlier) or under /var/tmp (for RHEL7 and later). Different versions use different compression schemes (gz, bz2, or xz). The file should be provided to your support representative (normally as an attachment to an open support case).

  2. supportconfig -- this is a huge shell script maintained by Suse. It collects important system information for troubleshooting Suse systems and integrates it into a report. Used in mainly in SLES for troubleshooting server problems.  While it is a Suse tuned solution, the coding is pretty transparent and can be modified extended to other flavors of Linux. My experience with SLES had shown that it is a very effective troubleshooting tool.
  3. Red Hat Linux Manuals - Sysreport - This is Abandonware shell script from Red Hat. Used to be supported from RHEL 4.5 to 5.0
  4. System Report Script for Ubuntu 29K script for Ubunty that creates a set of framed Web pages.
  5. Siga is another huge 65K shell script for collecting configuration information. It is competing with supportconfig. Used mainly in OpenSuse.
  6. Automatic System Configuration Documentation  for Debian

    sysdoc - automatic system documentation script

    All of the above can be done in a script that you just run (as root) - within seconds, you'll have collected valuable information about your system in an organized manner.

    sysdoc - a script to create system documentation automatically.

    The result in $TARGET should be :

    • a list of the choices you made during the Debian installation
    • a list of the choices you made during dpkg package installation
    • a list of installed packages
    • a list of configuration files changed since ... and the current content of those files
    • some hardware and system info
    • ...

    ... all of which can be used as input to commands that will help reproduce the system. You will want to copy these files to a server or removable media so they can be used in a automatic reproduction of a customized system ...

  7. M-Backup is a simple shell script that creates a directory in /root and puts tarball of selected config files into it.

Other

  1. For Dell servers useful set of information can be obtained using Dset which is available from the Drivers & Downloads link
    Release Title: Systems Management: Dell Dell System E-support Tool, Utility, Multi OS, English, Multi System, v.1.4.0.8, A00 Release Date:5/10/2007

    Creates "System Configuration Report" that can be used for troubleshooting or inventory collection of a system. Dell System E-Support Tool (DSET) provides the ability to collect hardware, storage, and operating system information from a Dell PowerEdge or PowerVault server.

    DSET is intended to be a small, non-intrusive tool that does not require a reboot of the system to provide most functionality. DSET is intended primarily to be used when instructed by Dell Technical Support.

    Dell Technical Support reviews the report generated by DSET when a support case is opened.

  2. System Report Script for Ubuntu

Comparing two baselines

If baseline is a large text file like is the case, for example, in supportconfig script, you can use diff or other, more sophisticated text file comparison tool. Otherwise you need to compare each file individually.


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NEWS CONTENTS

Old News ;-)

[Nov 29, 2013] SLACK

SLACK (Sysadmins' Lazy Auto-Configuration Kit) is a configuration management system designed to appeal to lazy system administrators. It's an evolution from the fairly common practice of putting files in some central directory. It's descended from an earlier system called "subsets", and uses a multi-stage rsync to fix some of the problems in that system.

Tags Software Distribution
Licenses GPL
Operating Systems POSIX
Implementation Perl

[Nov 29, 2013] SPM

SPM (formerly known as SPAM) is a set of tools that help manage change in an AIX environment. It uses a client-server architecture and is focused on five functional areas: collection of configuration, reporting configuration changes, comparing configurations, extracting configuration, and searching for configuration changes. Each of these functional areas also includes reporting and export capabilities. The collection of configuration is achieved by installing a client package on all systems being managed. The SPM Server provides a Web interface for reporting and examining configuration changes.

[Jan 31, 2013] polymeraze

polymeraze manages system configuration files based on modular and hierarchical profiles. It can be used to quickly administrate many Unix boxes and serves as a configuration knowledge database.

Tags: Systems Administration

Licenses: GPLv2

Operating Systems POSIX Linux

Implementation Python

[Apr 10, 2012] Sysreport - FedoraProject

Sysreport is a utility that gathers information about a system's hardware and configuration. The information can then be used for diagnostic purposes and debugging. Sysreport is commonly used to help support technicians and developers by providing a "snapshot" of a system's current layout.

It is part of Fedora Core. A new version is under active development at https://sos.108.redhat.com/

[Apr 10, 2012] System Report Script for Ubuntu

System Report script is a script I have written to collect information about a Ubuntu computer system and generate a system report in the form of a framed set of web pages.

Early versions of this script would load into the Firefox web browser by default, but I have learned how and implemented a change which now loads the System Report into your default browser on your system.

Here is a Sample System Report output set from my system that you can examine to see what the output of the SystemReport.sh file looks like.

Here is the source code to the System Report Script.

This script takes advantage of built in commands and the Ubuntu file system and configuration files to gather together information about your Ubuntu system and generate the web page report. It does have one dependency so far, and that is you will need to install apt-show-versions to get one small part of the available output from this script.

To install apt-show-versions, run the command

To use the script download it to your computer first. It's in a tar.gz file so you will have to unzip it to a folder on your system. The SystemReport.sh file in the archive should already have the permissions set to execute. Just click, or double click the .gz file, and your archive manager will open so you can extract the script.

Now you will be able to run the script. It is best if you run this script in a user account which has sudo permission. You can run it in an account that does not have sudo permission but you won't get all of the output possible.

If you saved the SystemReport.sh file to your desktop, open Terminal and copy and paste the following command into it -

Hit enter and this will run the script, when it completes your web browser will open with the System Report web pages loaded.

As I learn more about Linux and Ubuntu I will be updating this script and providing the latest version of it here at any link on this page to SystemReport.sh

Since I am releasing SystemReport.sh as open source you may change it to your liking as long as you keep my name in as author on the pages I have taught it to generate. If you add sections or whole pages to the output of SystemReport.sh please email me your changes or additions. Please do not send me the entire script to search through for your changes.

[Oct 28, 2011] survey

freshmeat.net

Survey is a nearly complete list of your system's configuration files. It also lists installed packages, hardware info, dmesg output, etc.

The resulting printout is 25-50 pages in size, fully documenting your system. Survey is invaluable after a blown install or upgrade when it is too late to get this information.

Large organizations could use survey to document every Linux system.

[Oct 28, 2011] etcsvn

Python
Etcsvn is a command line program for managing system configurations in subversion. It doesn't make a working copy out of your /etc, but uses a temporary workspace. It will preserve ownership/permissions of the files being tracked.

[Oct 28, 2011] iBackup

freshmeat.net

iBackup simplifies the task of backing up the system configuration files (those under /etc) for Solaris, *BSD, and Linux systems. You can run it from any directory and it will, by default, save the (maybe compressed) tarball to /root. It is possible to encrypt the tarball, to upload the tarball to another host, and to run the backup automated in a cron job. You can also create a nice HTML summary of a system using the included sysconf.

[Jun 20, 2011] Siga (System Information GAthering) Project forked

07/09/2010 | Linux Developer Network

It is very handy as an information source during installation support phone calls. You are experiencing an issue with your installation of openSuSE and to help technical support analyse the cause of the problem as fast as possible, you want to assist them by providing information specific to your system. Through siga you can find the needed Informations very quick.

Around siga

Sadly the original Developers (ML and others) don't work on this project anymore. So i've forked siga. Siga is an Open Source Software, so you can make copies, branches, you can help developing and all this things you need. At the Moment we have the Version 11-000. If you want to help, then we can release a higher Number soon. A short Documentation you can find there.

And i would like to say a big "Thanks" to the previous Developers.

Repositories:

[May 18, 2010] etckeeper

Jacob Kaplan-Moss sysadmin

etckeeper is a collection of tools to let /etc be stored in a git, mercurial, or bzr repository." Neat.

(bzr, etc, git, hg, linux, sysadmin, tools, vcs)

[May 16, 2010] Project details for Dconf

Python-based
freshmeat.net

Dconf is a tool to collect a system's hardware and software configuration. It allows you to take your system configuration with you and compare systems (like nodes in a cluster) to troubleshoot hardware or software problems.

It can also be configured to send out configuration changes at given intervals to a group of people, or store a new snapshot when system changes happen.

[May 15, 2010] Project details for Sysinfo

freshmeat.net

Sysinfo is a script-based utility to retrieve, display, and save various system information like hardware, system configuration information, user information, and network information. In a Linux system, the various system information is scattered in different parts of the system without any single command line tool to display all the information. Sysinfo is a single tool to display this information. The displayed information can be easily interpreted even by a novice.

All this little script does is automatically generate some specs on a system. Unfortunately it's a little too specific for RedHat, but it could easily be modified to work under Debian or SuSE. My hunch is that it will work without modification on Caldera or TurboLinux. It's written in bash since the file tests / manipulation tends to make it well suited for the task. The output is in HTML. This script won't and can't do a lot of things. It'll probably never be a "1.0" release since I know I'm not going to work on this much.

Caldera 1.1 used to ship with a nice tool that analyzed the system and reported information like this. I liked the tool, but I was never able to get it to work properly on new releases. It also had a lot of shortcomings. So I initially wrote this script to give me barebones info on a Red Hat system since I noticed there were over a dozen machines that needed documenting. Real systems administrators spend days writing script rather than actual documents. The current incarnation of the script is my initial hour or so of work (from 1997) and a morning of additions I just did. The information I'm collecting is the bare essentials I want to know about a system. I have another little perl script that will automagically go out and download files like sendmail.cw and bind db.*. With these two tools I can pretty much rebuild a Linux server.

I have a sample output file. The info you'll get will contain:

[May 14, 2010] Novell SUSE LINUX 10.1 siga

SIGA stands for System Information GAthering. It collects various system information and outputs it in HTML or ASCII format. Since it needs root permissions, you will be asked for the root password. It is very handy as an information source during installation support phone calls.

siga-10.101-32.noarch RPM

[May 12, 2010] Cool Solutions M-Backup

Written in shell
Apr 6, 2006

M-Backup is a tool for making backup of important system files and other important system information. There are many important files that are scattered over the system which needs to be regularly backed up. Keeping track of all these files is quite painful.

M-Backup is a command line tool that will backup all these files. System administrators can add more files to the list of files that needs to be backed up according to needs.

M-Backup can even be used for inventory purpose, for keeping record of various configuration information.

Run by simply issuing the command ./mbackup.sh after logging in as root. It will create a directory MBackup under root's home directory and store the various system information. It will also create a log file that will list all the files and other information that was saved. If mbackup is added in crontab, it can do the jobs automatically.

[Jun 10, 2009] System Configuration Collector Server

Both client and server written in shell
freshmeat.net

System Configuration Collector (SCC) is yet another configuration collector. It consists of a client and a server part.

sysreport and sosreport in Red Hat Enterprise Linux

Server Buddies

sysreport and sosreport in Red Hat Enterprise Linux

Before Red Hat Enterprise Linux 4.5, we had "sysreport". The "sosreport" command is a tool that collects information about a Red Hat Enterprise Linux system, such as what kernel is running, what drivers are loaded, and various configuration files for common services. It also does some simple diagnostics against known problematic patterns.

To run "sosreport", the "sos" package must be installed. The package should be installed by default, but if the package is not installed, follow the steps below:

Linux Explorer ( LINUXexplo ) - Linux System Information Gathering Tool

Linux Explorer ( LINUXexplo ) is a script that collects software and hardware information about a linux server for support purposes, similar to the Solaris explorer ( SUNWexplo ) , Redhat's "sysreport" and SuSE's "siga" script.

The script is designed to collect information about a server to help service departments support linux and have a common set of scripts for collecting information about linux no matter what distro users are using.

The information is stored in separated directories, once all the information has been collected it then tar's up those directories into a single gzip tar file which can then be attached to an email for your support organization or copied to a remote server for safe keeping.

This script collects the following information :-

  • release Section
  • hardware configuration
  • process information
  • boot/grub/lilo
  • /etc config information
  • performance/system
  • kernel
  • disk - ( general lun information, volume manager, multipath information, emc powerpath )
  • raid information
  • Software information ( packages installed )
  • sysconfig
  • System Logs
  • networking ( interfaces, bridges, bonding )
  • xinetd
  • DNS
  • clusters - ( veritas, redhat, heartbeat, crm, drdb )
  • crontab
  • printers
  • openldap
  • pam
  • email - ( sendmail, postfix, dovecot )
  • time
  • ppp
  • apache
  • openssh
  • X11
  • PMSVN freshmeat.net

    Bash shell
    PMSVN is a server configuration management and monitoring tool. It helps keep track of administrative actions for many servers with many administrators. It allows administrators to put specific configuration files under revision control and eases the burden of having to remember to commit changes. It can synchronize and monitor the consistency of small bits of configuration that are the same or mostly the same across many servers.

    Debian Packages of System Configurations

    Dpsyco is an automated system to distribute system configurations to several computers. It is written mainly for the Debian distribution but should be portable (without too much difficulties) to other distributions or Unixes as well. It consists of a number of shell scripts to perform the desired actions. With it you can handle users, add ssh-public-keys, patch the system, update things using cfengine, install files (overriding other package files), and more.

    bakonf

    freshmeat.net

    Written in Python

    bakonf is a tool for making backups of configuration files on GNU/Linux or Unix-like systems. It uses various methods to reduce the size of the backups it creates, and is designed to be useful for unattended remote servers.

    confstore

    A configuration backup utility that makes backups of configuration. Written in Perl.

    Confstore is a configuration backup utility. It scans a system for all recognized configuration files and then stores them in a simple archive. It knows what to scan for by reading a definitions file.

    Confstore can also restore configuration from backup archives it has previously created.

    rsnapshot

    Written in Perl

    rsnapshot is a filesystem snapshot utility based on rsync. It makes it easy to make periodic snapshots of local machines, and remote machines over ssh. It uses hard links whenever possible, to greatly reduce the disk space required.

    Perl Snapshot Is Not Incremental Backup

    Perl Snapshot Is Not Incremental Backup backs up Samba (or Microsoft Windows) shares to central disk space using LinNeighborhood mount scripts as configuration files. The disk space is organized into multiple directories named after the server, share, and date. Each dated directory contains a snapshot of all the files on the exported share on the particular date. Disk usage is reduced by using hardlinks to keep multiple full copies of files available.

    Project details for sysinfo.sh

    freshmeat.net

    sysinfo.sh automatically generates some specs about a Linux system. It's a little too specific to RedHat, but it could easily be modified to work under Debian or SuSE. The output is in HTML. Information gathered includes hardware specs, samba config, inet services, printers, etc.

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