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 Project Mouse (v3.4) 
 By Nate Royer
 © 1995-2008

	
 
Project Mouse

snmpdf - display disk space usage on a network entity via SNMP

Reference for snmpdf which can be used to display disk space usage on a network entity via SNMP. Used in combination with snmpd to monitor disk space on a remote system.

SNMPDF(1) Net-SNMP SNMPDF(1) NAME snmpdf - display disk space usage on a network entity via SNMP SYNOPSIS snmpdf [COMMON OPTIONS] [-Cu] AGENT DESCRIPTION snmpdf is simply a networked verison of the typical df command. It checks the disk space on the remote machine by examining the HOST- RESOURCES-MIB's hrStorageTable or the UCD-SNMP-MIB's dskTable. By default, the hrStorageTable is preferred as it typically contains more information. However, the -Cu argument can be passed to snmpdf to force the usage of the dskTable. AGENT identifies a target SNMP agent, which is instrumented to monitor the gievn objects. At its simplest, the AGENT specification will con- sist of a hostname or an IPv4 address. In this situation, the command will attempt communication with the agent, using UDP/IPv4 to port 161 of the given target host. See the snmpcmd(1) manual page for a full list of the possible formats for AGENT. See the snmpd.conf(5) manual page on setting up the dskTable using the disk directive in the snmpd.conf file. OPTIONS COMMON OPTIONS Please see snmpcmd(1) for a list of possible values for COMMON OPTIONS as well as their descriptions. -Cu Forces the command to use dskTable in mib UCD-SNMP-MIB instead of the default to determine the storage information. Generally, the default use of hrStorageTable in mib HOST-RESOURCES-MIB is preferred because it typically contains more information. EXAMPLES % snmpdf -v 2c -c public localhost Description size (kB) Used Available Used% / 7524587 2186910 5337677 29% /proc 0 0 0 0% /etc/mnttab 0 0 0 0% /var/run 1223088 32 1223056 0% /tmp 1289904 66848 1223056 5% /cache 124330 2416 121914 1% /vol 0 0 0 0% Real Memory 524288 447456 76832 85% Swap Space 1420296 195192 1225104 13% SEE ALSO snmpd.conf(5), snmp.conf(5) 4th Berkeley Distribution 25 Jul 2003 SNMPDF(1)
Refernece: http://www.oreillynet.com/onlamp/blog/2007/12/tnttiny_nix_tip_snmpdf.html


macosx

Open Directory and .htpasswd

Fascinating! I worked on a project* once that involved a complete rewrite of the command-line utility passwd in order to keep a number of system services including a .htpasswd file in sync with users account passwords. Mac OS X Hints noted this is made simple with Mac OS X Leopard (10.5) and Open Directory.


macosx

Virtualized Xserver

Media Temple labs has a private beta for what it’s calling Xserve-Virtual . This system has been added quickly added to my MT wish list along with the Django GridContainer which, perhaps I wont need if I move over to a full-on-mirror of my development environment using a virtual OS X Server.

A virtual Mac OS X Leopard Server running on a fully loaded cluster of Xserves virtualized using Parallels Server . I want one, … or three, … yeah that should be enough …. maybe four, for symmetry.


opensource

Fedora 9 root password mismatch resolution

Having started my journey down the command-line with Fedora 3, I was excited to try out Fedora 9. The install completed with ease (the first time around) but once I logged onto the system and attempted to configure some of the system settings, my root password didn’t work.

Why? CAPS LOCK bit was set by default during the install process making a different root password.



Mac OS XNetworkingOpen SourceProgrammingReferenceSecurity & PrivacySystem Administration

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  ___  _  ___  _  _  ___  ___ 
 /   \/ \/   \| \| |/  _|/ _ \
 |      || | ||  | |\_  \|  _|
 |__|_|_|\___/\____||___/\___/
 Project Mouse (v3.4) 
 By Nate Royer
 © 1995-2008