Naemon/Plugins
FreeBSD
SMART
Use nagios-check_smartmon
[1] as a Nagios plugin to check on disk devices:
$ pkg install nagios-check_smartmon # Might depend on smartmontools $ /usr/local/libexec/nagios/check_smartmon -d /dev/ada0 OK: device is functional and stable (temperature: 35)|TEMP=35;55;60;
Memory
- check_fbsd_mem.sh (v0.7, 2013-02-12)
- check_fbsd_mem.sh (v0.6, 2011-04-11)
Sensors
There was bsdhwmon
[2], but it's dead, apparently. I know of no other tool to grab sensor data off a FreeBSD system :-\
Linux
Memory
Standard check_memory:
$ sudo apt-get install libnagios-plugin-perl $ /usr/lib/naemon/plugins/check_memory -w 85 -c 90 MEMORY CRITICAL - 254M free | free=267235328b;85;90
pmp-check-unix-memory from Percona:
$ /usr/lib/naemon/plugins/pmp-check-unix-memory -w 85 -c 90 OK Memory 74% used | memory_used=74;85;90;0;100
check_mem.pl outputs caches too:
git clone https://github.com/justintime/nagios-plugins.git justintime-nagios-plugins-git cd justintime-nagios-plugins-git/ sudo install -o root -g root -m 0755 check_mem/check_mem.pl /usr/local/share/nagios/plugins/check_mem.pl $ /usr/local/share/nagios/plugins/check_mem.pl -u -w 80 -c 90 CRITICAL - 91.5% (937376 kB) used!|TOTAL=1024452KB;;;; USED=937376KB;819561;922006;; FREE=87076KB;;;; CACHES=225700KB;;;;
check_mem outputs caches and buffers too:
git clone https://github.com/jasonhancock/nagios-memory.git nagios-memory-git cd nagios-memory-git sudo install -o root -g root -m 0755 plugins/check_mem /usr/local/share/nagios/plugins/check_mem sudo install -o root -g root -m 0644 pnp4nagios/templates/check_mem.php /opt/pnp4nagios/share/templates/ $ plugins/check_mem -w 80 -c 90 MEMORY OK - 73% used | used=775139328;; cached=172224512;; buffers=21344256;; free=80330752;;
A bash version, but no cache and no buffer information and no percentage can be given. Also, the plugin seems to emulate the check_procs --metric RSS
command:
git clone https://github.com/DennyZhang/check_proc_mem.git zhang-check_proc_mem-git cd zhang-check_proc_mem-git $ ./check_proc_mem.sh -w 960 -c 1024 --pid $$ Memory: OK VIRT: 25 MB - RES: 8 MB used!|RES=8388608;;;;
check_mem.sh outputs caches and buffers too, but has no source code repository:
wget "http://exchange.nagios.org/components/com_mtree/attachment.php?link_id=4174&cf_id=24" -O check_mem.sh
For some reason the script is damaged and needs to be repaired:
(echo '#!/bin/sh'; tail -n +2 check_mem.sh | fromdos) > check_mem_fixed.sh sudo install -o root -g root -m 0755 check_mem_fixed.sh /usr/local/share/nagios/plugins/check_mem.sh $ /usr/local/share/nagios/plugins/check_mem.sh -w 80 -c 90 Memory: OK Total: 1000 MB - Used: 729 MB - 72% used|TOTAL=1049038848;;;; USED=763695104;;;; CACHE=167231488;;;; BUFFER=23158784;;;;
And a Python variant too, but without performance data, no percentage can be given and there's no buffer or cache output either:
wget "http://exchange.nagios.org/components/com_mtree/attachment.php?link_id=3209&cf_id=24" -O check_memory.py sudo install -o root -g root -m 0755 check_memory.py /usr/local/share/nagios/plugins/check_memory.p $ /usr/local/share/nagios/plugins/check_memory.py 960 1024 OK -- Total Memory 1000MB Current Memory Usage is 923MB Free Memory 76MB
Another one in bash
, but without performance data and the switches to display buffer and cache information are not working - and the output is totally off the charts anyway. Only included here for the same of completenes:
git clone https://bitbucket.org/shreix/nagios-plugins.git shreix-nagios-plugins-git cd shreix-nagios-plugins-git/ sudo install -o root -g root -m 0755 check_memory.sh /usr/local/share/nagios/plugins/check_memory.sh $ /usr/local/share/nagios/plugins/check_memory.sh -w 20 -c 90 -i -b MEMORY OK - 8.341% is used out of 1024452 kB
Links
- How to get memory used(RAM used) using Linux command?
- MemAvailable metric for Linux kernels before 3.14 in /proc/meminfo & linux-memavailable-procfs
- /proc/meminfo: provide estimated available memory
Sensors
TBD
- check_lm_sensors
- check_lm_sensors-improved
- Thermal Sensors
- Thinkpad + thinkfan: cannot control fan from /proc/acpi/ibm/fan
Modules
TBD: list unused kernel modules
MacOS X
Sensors
TBD
- check_osx_temp.sh
- tp - displays hardware sensor readouts on macs
- osx-cpu-temp
- Using terminal to get current fan speed?
- smcFanControl
- Software for Vintage and Obsolete Computers (Temperature Monitor)
- Is there a Mac OS X Terminal version of the “free” command in Linux systems?
- Mac OS X sysctl get total and free memory size
- Mac OS X: How to View Memory Usage With the "top" Utility
Generic
monitoring-plugins
apt install automake autoconf gcc make libtool-bin libc6-dev # For Debian systems dnf install automake autoconf gcc make glibc-devel # For Fedora systems git clone https://github.com/monitoring-plugins/monitoring-plugins.git monitoring-plugins-git cd monitoring-plugins-git ./autogen.sh --prefix=/opt/monitoring-plugins make && sudo make install
Adjust the configuration parameters as needed to compile a different set of plugins.
nagios-plugins
For the Nagios version, install:
git clone https://github.com/nagios-plugins/nagios-plugins.git nagios-plugins-git cd nagios-plugins-git ./autogen.sh --prefix=/opt/nagios-plugins make && sudo make install
Adjust the configuration parameters as needed to compile a different set of plugins.
check_logfiles
For monitoring log files, the stock check_log.sh plugin may be too simple, especially with regards to logfile rotation. Let's use check_logfiles instead:
git clone https://github.com/lausser/check_logfiles.git check_logfiles-git cd check_logfiles-git autoreconf --install && ./configure --prefix=/opt/check_logfiles --with-nagios-user=nagios --with-nagios-group=nagios make && sudo make install
Or, just install the plugin manually:
sudo install -m 0755 -o root -g root plugins-scripts/check_logfiles /usr/local/share/nagios/plugins/
Links
References
- ↑ nagios-check_smartmon
- ↑ bsdhwmon (Archive) - The bsdhwmon project is currently on hiatus.