Softpanorama

May the source be with you, but remember the KISS principle ;-)
Contents Bulletin Scripting in shell and Perl Network troubleshooting History Humor

Suse config files

/etc/profile System wide environment and startup script program.

/dev/MAKEDEV The /dev/MAKEDEV file is a script written by the system administrator that creates local only device files or links such as device files for a non-standard device driver.

/etc/aliases Where the user's name is matched to a nickname for e-mail.

/etc/bootptab The configuration for the BOOTP server daemon.

/etc/crontab Lists commands and times to run them for the cron deamon.

/etc/dhcpd.conf The configuration file for the DHCP server daemon.

/etc/ethers File for RARP mapping from hardware addresses to IP addresses. See the man page ethers(5).

/etc/exports The file describing exported filesystems for NFS services.

/etc/fdprm The floppy disk parameter table. Describes the formats of different floppy disks. Used by setfdprm.

/etc/filesystems Can be used to set the filesystem probe order when filesystems are mounted with the auto option. The nodev parameter is specified for filesystems that are not really locally mounted systems such as proc, devpts, and nfs systems.

/etc/fstab Lists the filesystems mounted automatically at startup by the mount -a command (in /etc/rc or equivalent startup file).

/etc/group Similar to /etc/passwd but for groups rather than users.

/etc/groups May contain passwords that let a user join a group.

/etc/gshadow Used to hold the group password and group administrator password information for shadow passwords.

/etc/host.conf Specifies how host names are resolved.

/etc/hosts List hosts for name lookup use that are locally required.

/etc/HOSTNAME Shows the host name of this host. Used for support of older programs since the hostname is stored in the /etc/sysconfig/network file.

/etc/inittab Configuration file for init, controls startup run levels, determines scripts to start with.

/etc/inetd.conf Sets up the services that run under the inetd daemon.

/etc/issue Output by getty before the login prompt. Description or welcoming message.

/etc/issue.net Output for network logins with LINUX version

/etc/ld.so.conf Configuration file for ld.so, the run time linker.

/etc/limits Limits users resources when a system has shadow passwords installed.

/etc/localtime In Debian the system time zone is determined by this link.

/etc/login.defs Sets user login features on systems with shadow passwords.

/etc/logrotate.conf Configures the logrotate program used for managing logfiles.

/etc/magic The configuration file for file types. Contains the descriptions of various file formats for the file command.

/etc/motd The message of the day, automatically output by a successful login.

/etc/mtab A list of currently mounted file systems. Setup by boot scripts and updated by the mount command.

/etc/named.conf Used for domain name servers.

/etc/networks Lists names and addresses of your own and other networks, used by the route command.

/etc/nologin If this file exists, non-root logins are disabled. Typically it is created when the system is shutting down.

/etc/nsswitch.conf Name service switch configuration file.

/etc/passwd The user database with fields giving the username, real name, home directory, encrypted password and other information about each user.

/etc/printcap A configuration file for printers.

/etc/profile -- file sourced at the begeggin of each shell session

/etc/protocols Describes DARPA internet protocols available from the TCP/IP subsystem. Maps protocol ID numbers to protocol names. /etc/rc or /etc/rc.d or /etc/rc?.d Scripts or directories of scripts to run at startup or when changing run level.

/etc/rc.d/rc0.d Contains files used to control run level 0. Usually these files are softlink files.

/etc/rc.d/rc1.d Contains files to control run level 1. Scripts beginning with an S are for start, K for kill.

/etc/rc.d/rc.sysinit Init runs this when it starts.

/etc/resolv.conf Configures the name resolver, specifying the address of your name server and your domain name.

/etc/securetty Identifies secure terminals from which root is allowed to log in.

/etc/services Lists the network services that the system supports.

/etc/shadow Shadow password file on systems with shadow password software installed. Shadow passwords move the encrypted password files from /etc/passwd to /etc/shadow which can only be read by root.

/etc/shadow.group Systems with shadow passwords may have this file.

/etc/shells Lists trusted shells. The chsh command allows users to change their login shell to shells listed only in this file.

/etc/skel/.profile Can be used by administrator to set the editor environment variable to some editor that is friendly to new users.

/etc/sudoers A list of users with special privileges along with the commands they can execute.

/etc/smb.conf The configuration file for setting up Samba services.

/etc/sysconfig/amd Used to configure the auto mount daemon.

/etc/sysconfig/clock Used to configure the system clock to Universal or local time and set some other clock parameters.

/etc/sysconfig/i18n Controls the system font settings.

/etc/sysconfig/init This file is used to set some terminal characteristics and environment variables.

/etc/sysconfig/keyboard Used to configure the keyboard.

/etc/sysconfig/mouse This file is used to configure the mouse.

/etc/sysconfig/network-scripts/ifcfg-interface Defines a network interface.

/etc/sysconfig/pcmcia Used to configure pcmcia network cards.

/etc/sysconfig//routed Sets up dynamic routing policies.

/etc/sysconfig/static-routes Configures static routes on a network.

/etc/sysconfig/tape Used for backup tape device configuration.

/etc/X11/XF86Config The configuration file for the X server.

/etc/syslog.conf Configuration file for the syslogd daemon.

/etc/termcap The terminal capability database. Describes by what "escape sequences" various terminals can be controlled. See terminfo, termcap, curs_termcap man pages.

/etc/terminfo Details for terminal I/O.

/etc/usertty This file is used to impose special access restrictions on users.

$HOME/.bashrc User aliases, path modifier, and functions.

$HOME/.bash_profile Users environment stuff and startup programs.

$HOME/.bash_logout User actions to be done at logout.

$HOME/.hushlogin When this file exists in the user's home directory, it will prevent check for mail, printing of the last login time, and the message of the day when the user logs in.

$HOME/.inputrc Contains keybindings and other bits.

$HOME/Xrootenv.0 Has networking and environment info.

/proc/cpuinfo Information about the processor such as its type, make and performance.

/proc/devices A list of devices configured into the currently running kernel.

/proc/dma Shows which DMA channels are being used at the moment.

/proc/filesystems Filesystems that are configured into the kernel. The file used to detect filesystems if the /etc/filesystems does not exist.

/proc/ioports Shows which I/O ports are in use at the moment.

/proc/interrupts Shows which interrupts are in use and how many of each there have been.

/proc/kcore An image of the physical memory of the system.

/proc/kmsg Messages output by the kernel. These are also routed to syslog.

/proc/ksyms Symbol table for the kernel.

/proc/loadavg The load average of the system.

/proc/meminfo Information about memory usage, both physical and swap.

/proc/modules Which kernel modules are currently loaded.

/proc/mounts Contains information on filesystems currently mounted, similar to /etc/mtab

/proc/net Contains status information about network protocols.

/proc/self A symbolic link to the process directory of the program that is looking at /proc. When 2 process look at proc, they get different links.

/proc/stat Various statistics about the system such as the number of page faults since the system was booted.

/proc/uptime The time the system has been up.

/proc/version The kernel version.

/usr/lib/zoneinfo Time zone datafiles are stored here on the Debian system

/var/log/lastlog Used by finger to tell when a user was last logged in.

/var/log/wtmp Binary info on users that have been logged on. The last command uses this info.

/var/run/utmp Contains information about users currently logged in. Who and w commands use this file.

/var/named/root.hints Used for domain name server. Placed here optionally, but this is the normal location.

/var/named/* Files used by domain name server. Placed here optionally, but this is the normal location.

/var/log/btmp Used to store information about failed logins. This file must be first created to activate it.

/var/log/lastlog Contains information about the last time a login was done on the system. Works with lastb(1).

/var/log/maillog The normal system mail log file.

/var/log/messages The main system message log file.

var/log/secure System tracking of user logins. Check this file periodically.

/var/spool/mail Where mailboxes are usually stored. 



Etc

FAIR USE NOTICE This site contains copyrighted material the use of which has not always been specifically authorized by the copyright owner. We are making such material available in our efforts to advance understanding of environmental, political, human rights, economic, democracy, scientific, and social justice issues, etc. We believe this constitutes a 'fair use' of any such copyrighted material as provided for in section 107 of the US Copyright Law. In accordance with Title 17 U.S.C. Section 107, the material on this site is distributed without profit exclusivly for research and educational purposes.   If you wish to use copyrighted material from this site for purposes of your own that go beyond 'fair use', you must obtain permission from the copyright owner. 

ABUSE: IPs or network segments from which we detect a stream of probes might be blocked for no less then 90 days. Multiple types of probes increase this period.  

Society

Groupthink : Two Party System as Polyarchy : Corruption of Regulators : Bureaucracies : Understanding Micromanagers and Control Freaks : Toxic Managers :   Harvard Mafia : Diplomatic Communication : Surviving a Bad Performance Review : Insufficient Retirement Funds as Immanent Problem of Neoliberal Regime : PseudoScience : Who Rules America : Neoliberalism  : The Iron Law of Oligarchy : Libertarian Philosophy

Quotes

War and Peace : Skeptical Finance : John Kenneth Galbraith :Talleyrand : Oscar Wilde : Otto Von Bismarck : Keynes : George Carlin : Skeptics : Propaganda  : SE quotes : Language Design and Programming Quotes : Random IT-related quotesSomerset Maugham : Marcus Aurelius : Kurt Vonnegut : Eric Hoffer : Winston Churchill : Napoleon Bonaparte : Ambrose BierceBernard Shaw : Mark Twain Quotes

Bulletin:

Vol 25, No.12 (December, 2013) Rational Fools vs. Efficient Crooks The efficient markets hypothesis : Political Skeptic Bulletin, 2013 : Unemployment Bulletin, 2010 :  Vol 23, No.10 (October, 2011) An observation about corporate security departments : Slightly Skeptical Euromaydan Chronicles, June 2014 : Greenspan legacy bulletin, 2008 : Vol 25, No.10 (October, 2013) Cryptolocker Trojan (Win32/Crilock.A) : Vol 25, No.08 (August, 2013) Cloud providers as intelligence collection hubs : Financial Humor Bulletin, 2010 : Inequality Bulletin, 2009 : Financial Humor Bulletin, 2008 : Copyleft Problems Bulletin, 2004 : Financial Humor Bulletin, 2011 : Energy Bulletin, 2010 : Malware Protection Bulletin, 2010 : Vol 26, No.1 (January, 2013) Object-Oriented Cult : Political Skeptic Bulletin, 2011 : Vol 23, No.11 (November, 2011) Softpanorama classification of sysadmin horror stories : Vol 25, No.05 (May, 2013) Corporate bullshit as a communication method  : Vol 25, No.06 (June, 2013) A Note on the Relationship of Brooks Law and Conway Law

History:

Fifty glorious years (1950-2000): the triumph of the US computer engineering : Donald Knuth : TAoCP and its Influence of Computer Science : Richard Stallman : Linus Torvalds  : Larry Wall  : John K. Ousterhout : CTSS : Multix OS Unix History : Unix shell history : VI editor : History of pipes concept : Solaris : MS DOSProgramming Languages History : PL/1 : Simula 67 : C : History of GCC developmentScripting Languages : Perl history   : OS History : Mail : DNS : SSH : CPU Instruction Sets : SPARC systems 1987-2006 : Norton Commander : Norton Utilities : Norton Ghost : Frontpage history : Malware Defense History : GNU Screen : OSS early history

Classic books:

The Peter Principle : Parkinson Law : 1984 : The Mythical Man-MonthHow to Solve It by George Polya : The Art of Computer Programming : The Elements of Programming Style : The Unix Haterís Handbook : The Jargon file : The True Believer : Programming Pearls : The Good Soldier Svejk : The Power Elite

Most popular humor pages:

Manifest of the Softpanorama IT Slacker Society : Ten Commandments of the IT Slackers Society : Computer Humor Collection : BSD Logo Story : The Cuckoo's Egg : IT Slang : C++ Humor : ARE YOU A BBS ADDICT? : The Perl Purity Test : Object oriented programmers of all nations : Financial Humor : Financial Humor Bulletin, 2008 : Financial Humor Bulletin, 2010 : The Most Comprehensive Collection of Editor-related Humor : Programming Language Humor : Goldman Sachs related humor : Greenspan humor : C Humor : Scripting Humor : Real Programmers Humor : Web Humor : GPL-related Humor : OFM Humor : Politically Incorrect Humor : IDS Humor : "Linux Sucks" Humor : Russian Musical Humor : Best Russian Programmer Humor : Microsoft plans to buy Catholic Church : Richard Stallman Related Humor : Admin Humor : Perl-related Humor : Linus Torvalds Related humor : PseudoScience Related Humor : Networking Humor : Shell Humor : Financial Humor Bulletin, 2011 : Financial Humor Bulletin, 2012 : Financial Humor Bulletin, 2013 : Java Humor : Software Engineering Humor : Sun Solaris Related Humor : Education Humor : IBM Humor : Assembler-related Humor : VIM Humor : Computer Viruses Humor : Bright tomorrow is rescheduled to a day after tomorrow : Classic Computer Humor

The Last but not Least


Copyright © 1996-2016 by Dr. Nikolai Bezroukov. www.softpanorama.org was created as a service to the UN Sustainable Development Networking Programme (SDNP) in the author free time. This document is an industrial compilation designed and created exclusively for educational use and is distributed under the Softpanorama Content License.

The site uses AdSense so you need to be aware of Google privacy policy. You you do not want to be tracked by Google please disable Javascript for this site. This site is perfectly usable without Javascript.

Original materials copyright belong to respective owners. Quotes are made for educational purposes only in compliance with the fair use doctrine.

FAIR USE NOTICE This site contains copyrighted material the use of which has not always been specifically authorized by the copyright owner. We are making such material available to advance understanding of computer science, IT technology, economic, scientific, and social issues. We believe this constitutes a 'fair use' of any such copyrighted material as provided by section 107 of the US Copyright Law according to which such material can be distributed without profit exclusively for research and educational purposes.

This is a Spartan WHYFF (We Help You For Free) site written by people for whom English is not a native language. Grammar and spelling errors should be expected. The site contain some broken links as it develops like a living tree...

You can use PayPal to make a contribution, supporting development of this site and speed up access. In case softpanorama.org is down you can use the at softpanorama.info

Disclaimer:

The statements, views and opinions presented on this web page are those of the author (or referenced source) and are not endorsed by, nor do they necessarily reflect, the opinions of the author present and former employers, SDNP or any other organization the author may be associated with. We do not warrant the correctness of the information provided or its fitness for any purpose.

Last modified: August 07, 2017