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📄 acpi(1.99 KB)
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📄 apache_processes(6.46 KB)
📄 apache_volume(5.06 KB)
📄 cpu(7.3 KB)
📄 cpuspeed(4.6 KB)
📄 df(4.26 KB)
📄 df_inode(4.31 KB)
📄 diskstats(34.62 KB)
📄 entropy(988 B)
📄 exim_mailqueue(3.12 KB)
📄 exim_mailstats(5.51 KB)
📄 forks(1.01 KB)
📄 fw_packets(1.75 KB)
📄 hddtemp_smartctl(10.51 KB)
📄 http_loadtime(3.22 KB)
📄 if_err_eth0(3.07 KB)
📄 if_err_eth1(3.07 KB)
📄 if_eth0(5.78 KB)
📄 if_eth1(5.78 KB)
📄 interrupts(1.99 KB)
📄 irqstats(4.2 KB)
📄 load(2.69 KB)
📄 memory(11.16 KB)
📄 munin_stats(3.78 KB)
📄 mysql_bytes(1.77 KB)
📄 mysql_innodb(5.52 KB)
📄 mysql_queries(2.59 KB)
📄 mysql_slowqueries(1.5 KB)
📄 mysql_threads(1.58 KB)
📄 netstat(3.3 KB)
📄 open_files(1.2 KB)
📄 open_inodes(1.06 KB)
📄 proc_pri(1.56 KB)
📄 processes(15.26 KB)
📄 swap(1.24 KB)
📄 threads(1.4 KB)
📄 uptime(859 B)
📄 users(2.46 KB)
📄 vmstat(1.13 KB)

Editing: if_err_eth0

#!/usr/bin/sh
# -*- sh -*-

set -e

: << =cut

=head1 NAME

if_err_ - Wildcard plugin to monitor errors, packet drops, and
collisions of network interfaces

=head1 CONFIGURATION

This is a wildcard plugin. To monitor an interface, link
if_err_<interface> to this file. E.g.

ln -s /usr/share/munin/plugins/if_err_ \
        /etc/munin/plugins/if_err_eth0

...will monitor eth0.

This plugin does not use environment variables.

=head1 USAGE

Any device found in /proc/net/dev can be monitored. Examples include
ipsec*, eth*, irda* and lo.

Please note that aliases cannot be monitored with this plugin.

=head1 AUTHOR

Unknown author

=head1 LICENSE

GPLv2

=head1 MAGIC MARKERS

#%# family=auto
 #%# capabilities=autoconf suggest

=cut

. "$MUNIN_LIBDIR/plugins/plugin.sh"

INTERFACE=${0##*/if_err_}

if [ "$1" = "autoconf" ]; then
        if [ -r /proc/net/dev ]; then
                echo yes
                exit 0
        else
                echo "no (/proc/net/dev not found)"
                exit 0
        fi
fi

if [ "$1" = "suggest" ]; then
    if [ -r /proc/net/dev ]; then
        sed -rne '/^[[:space:]]*(lo|gre[[:digit:]]|sit[[:digit:]]+|[a-z0-9]+\.[0-9]+):/d;s,^[[:space:]]*([^:]+):.*,\1,p' /proc/net/dev
    fi
    exit 0
fi

if [ "$1" = "config" ]; then
    echo "graph_order rcvd trans"
    echo "graph_title $INTERFACE errors"
    echo 'graph_args --base 1000'
    # shellcheck disable=SC2016
    echo 'graph_vlabel packets in (-) / out (+) per ${graph_period}'
    echo 'graph_category network'
    echo "graph_info This graph shows the amount of errors, packet drops, and collisions on the $INTERFACE network interface."
    echo 'rcvd.label errors'
    echo 'rcvd.type COUNTER'
    echo 'rcvd.graph no'
    echo 'rcvd.warning 1'
    echo 'trans.label errors'
    echo 'trans.type COUNTER'
    echo 'trans.negative rcvd'
    echo 'trans.warning 1'
    echo 'rxdrop.label drops'
    echo 'rxdrop.type COUNTER'
    echo 'rxdrop.graph no'
    echo 'txdrop.label drops'
    echo 'txdrop.type COUNTER'
    echo 'txdrop.negative rxdrop'
    echo 'collisions.label collisions'
    echo 'collisions.type COUNTER'
    print_warning rcvd
    print_critical rcvd
    print_warning trans
    print_critical trans
    exit 0
fi

# Escape dots in the interface name (eg. vlans) before using it as a regex
if [ -r "/sys/class/net/$INTERFACE/statistics/rx_bytes" ]; then
    echo "rcvd.value $(cat "/sys/class/net/$INTERFACE/statistics/rx_errors")"
    echo "trans.value $(cat "/sys/class/net/$INTERFACE/statistics/tx_errors")"
    echo "rxdrop.value $(cat "/sys/class/net/$INTERFACE/statistics/rx_dropped")"
    echo "txdrop.value $(cat "/sys/class/net/$INTERFACE/statistics/tx_dropped")"
    echo "collisions.value $(cat "/sys/class/net/$INTERFACE/statistics/collisions")"
else
    awk -v interface="$INTERFACE" \
        'BEGIN { gsub(/\./, "\\.", interface) }
        $1 ~ "^" interface ":" {
            split($0, a, /: */); $0 = a[2];
            print "rcvd.value " $3 "\ntrans.value " $11;
            print "rxdrop.value " $4 "\ntxdrop.value " $12;
            print "collisions.value " $14;
        }' \
        /proc/net/dev
fi

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