<html xmlns:v="urn:schemas-microsoft-com:vml" xmlns:o="urn:schemas-microsoft-com:office:office" xmlns:w="urn:schemas-microsoft-com:office:word" xmlns:m="http://schemas.microsoft.com/office/2004/12/omml" xmlns="http://www.w3.org/TR/REC-html40"> <head> <meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1"> <meta name="Generator" content="Microsoft Word 14 (filtered medium)"> <base href="x-msg://65/"><style></style> </head> <body bgcolor="white" lang="EN-US" link="blue" vlink="purple"> <div class="WordSection1"> Thanks to all on this<o:p></o:p> <o:p> </o:p> <div> <div style="border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0in 0in 0in"> From: MAD [mailto:mad@b-care.net] Sent: Friday, June 29, 2012 2:16 AM To: nagios-users@lists.sourceforge.net Subject: Re: [Nagios-users] Linux Kernel Version<o:p></o:p> </div> </div> <o:p> </o:p> <div> Hi, You could also do a SNMPWALK on the hrSWInstalledName table (1.3.6.1.2.1.25.6.3) and extract the latest installed kernel version by doing some regex work. Marc-André On 06/29/2012 08:45 AM, Stuart Browne wrote:<o:p></o:p> </div> <blockquote style="margin-top:5.0pt;margin-bottom:5.0pt"> Current as in installed, or current as in available?<o:p></o:p> <o:p></o:p> We wrote this a while ago to see if the most recently installed kernel is the bootable kernel:<o:p></o:p> <div style="border:none;border-bottom:solid windowtext 1.0pt;padding:0in 0in 1.0pt 0in"> <o:p></o:p> </div> #!/bin/bash<o:p></o:p> #<o:p></o:p> # Check if current kernel is being used.<o:p></o:p> #<o:p></o:p> <o:p></o:p> GRUBBY=/sbin/grubby<o:p></o:p> GREP=/bin/grep<o:p></o:p> UNAME=/bin/uname<o:p></o:p> <o:p></o:p> OUTPUT="Current kernel running."<o:p></o:p> EXIT_VAL=0<o:p></o:p> <o:p></o:p> if $GRUBBY --default-kernel | $GREP -vq $($UNAME -r); then<o:p></o:p> OUTPUT="Kernel updated, reboot required."<o:p></o:p> EXIT_VAL=1<o:p></o:p> fi<o:p></o:p> <o:p></o:p> echo $OUTPUT<o:p></o:p> <div style="border:none;border-bottom:solid windowtext 1.0pt;padding:0in 0in 1.0pt 0in"> exit $EXIT_VAL<o:p></o:p> </div> <o:p></o:p> <div style="border:none;border-bottom:solid windowtext 1.0pt;padding:0in 0in 1.0pt 0in"> But as Daniel said, a trivial plugin it's NRPE calling the two-line routine:<o:p></o:p> <o:p></o:p> </div> #!/bin/bash<o:p></o:p> /bin/uname -r<o:p></o:p> <div style="border:none;border-bottom:solid windowtext 1.0pt;padding:0in 0in 1.0pt 0in"> exit $?<o:p></o:p> </div> <o:p></o:p> Or using SNMP:<o:p></o:p> <div style="border:none;border-bottom:solid windowtext 1.0pt;padding:0in 0in 1.0pt 0in"> <o:p></o:p> </div> define command {<o:p></o:p> command_name return_kernel_version<o:p></o:p> command_line $USER1$/check_snmp -H $HOSTADDRESS$ -o SNMPv2-MIB::sysDescr.0 -P 2c -C public<o:p></o:p> <div style="border:none;border-bottom:solid windowtext 1.0pt;padding:0in 0in 1.0pt 0in"> }<o:p></o:p> </div> <o:p></o:p> The choice of what to use is yours.<o:p></o:p> <o:p></o:p> Stuart<o:p></o:p> <o:p></o:p> <div style="border:none;border-left:solid blue 1.5pt;padding:0in 0in 0in 4.0pt"> <div> <div style="border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0in 0in 0in"> From: Daniel Wittenberg [<a href="mailto:daniel.wittenberg.r0ko@statefarm.com">mailto:daniel.wittenberg.r0ko@statefarm.com</a>] Sent: Friday, 29 June 2012 1:18 PM To: Nagios Users List Subject: Re: [Nagios-users] Linux Kernel Version<o:p></o:p> </div> </div> <o:p></o:p> I haven't seen one, but would be trivial to write one. You looking to see the rpm -q kernel output or something like uname -a? <o:p></o:p> <div> <o:p></o:p> </div> <div> Dan<o:p></o:p> </div> <div> <o:p></o:p> <div> <div> On Jun 28, 2012, at 10:10 PM, Edwin Zoeller wrote:<o:p></o:p> </div> <o:p></o:p> <div> <div> Does anyone know of or have a plugin that will display the current kernel level for Redhat?<o:p></o:p> </div> <div> <o:p></o:p> </div> <div> Thanks,<o:p></o:p> </div> <div> <o:p></o:p> </div> <div> Ed<o:p></o:p> </div> <div> <o:p></o:p> </div> <div> P Please consider the environment before printing this e-mail<o:p></o:p> </div> ------------------------------------------------------------------------------ Live Security Virtual Conference Exclusive live event will cover all the ways today's security and threat landscape has changed and how IT managers can respond. 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