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$agent->register("hello_world", ".1.3.6.1.4.1.8072.9999.9999",
\&hello_handler);
~]$ [command]#du#
8 ./.gconf/apps/gnome-terminal/profiles/Default
12 ./.gconf/apps/gnome-terminal/profiles
16 ./.gconf/apps/gnome-terminal
_[output truncated]_
460 ./.gimp-2.6
68828 .
~]$ [command]#du -h#
8.0K ./.gconf/apps/gnome-terminal/profiles/Default
12K ./.gconf/apps/gnome-terminal/profiles
16K ./.gconf/apps/gnome-terminal
_[output truncated]_
460K ./.gimp-2.6
68M .
~]$ [command]#du -sh#
68M .
~]$ [command]#lspci -v#
_[output truncated]_
~]$ [command]#lsusb#
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
_[output truncated]_
Bus 001 Device 002: ID 0bda:0151 Realtek Semiconductor Corp. Mass Storage Device (Multicard Reader)
Bus 008 Device 002: ID 03f0:2c24 Hewlett-Packard Logitech M-UAL-96 Mouse
Bus 008 Device 003: ID 04b3:3025 IBM Corp.
~]$ [command]#lsusb -v#
_[output truncated]_
~]$ [command]#ps aux#
USER PID %CPU %MEM VSZ RSS TTY STAT START TIME COMMAND
root 1 0.0 0.3 53128 2988 ? Ss 13:28 0:02 /usr/lib/systemd/systemd --system --deserialize 20
root 2 0.0 0.0 0 0 ? S 13:28 0:00 [kthreadd]
root 3 0.0 0.0 0 0 ? S 13:28 0:00 [ksoftirqd/0]
root 5 0.0 0.0 0 0 ? S 13:28 0:00 [kworker/u:0]
root 6 0.0 0.0 0 0 ? S 13:28 0:00 [migration/0]
_[output truncated]_
~]$ [command]#ps ax | grep emacs#
2625 ? Sl 0:00 emacs
~]$ [command]#ps ax#
PID TTY STAT TIME COMMAND
1 ? Ss 0:02 /usr/lib/systemd/systemd --system --deserialize 20
2 ? S 0:00 [kthreadd]
3 ? S 0:00 [ksoftirqd/0]
5 ? S 0:00 [kworker/u:0]
6 ? S 0:00 [migration/0]
_[output truncated]_
~]$ [command]#snmpget localhost \#
[command]#NET-SNMP-MIB::netSnmpPlaypen.1.0 \#
[command]#NET-SNMP-MIB::netSnmpPlaypen.1.1#
NET-SNMP-MIB::netSnmpPlaypen.1.0 = STRING: "hello world"
NET-SNMP-MIB::netSnmpPlaypen.1.1 = INTEGER: 8675309
~]$ [command]#snmptable -Cb localhost HOST-RESOURCES-MIB::hrFSTable#
SNMP table: HOST-RESOURCES-MIB::hrFSTable
~]$ [command]#snmptable -Cb localhost HOST-RESOURCES-MIB::hrStorageTable#
SNMP table: HOST-RESOURCES-MIB::hrStorageTable
~]$ [command]#snmptable -Cb localhost IF-MIB::ifTable#
SNMP table: IF-MIB::ifTable
~]$ [command]#snmptable -Cb localhost UCD-DISKIO-MIB::diskIOTable#
SNMP table: UCD-DISKIO-MIB::diskIOTable
~]$ [command]#snmptable localhost UCD-SNMP-MIB::laTable#
SNMP table: UCD-SNMP-MIB::laTable
~]$ [command]#snmpwalk localhost IF-MIB::ifDescr#
IF-MIB::ifDescr.1 = STRING: lo
IF-MIB::ifDescr.2 = STRING: eth0
IF-MIB::ifDescr.3 = STRING: eth1
~]$ [command]#snmpwalk localhost IF-MIB::ifOutOctets#
IF-MIB::ifOutOctets.1 = Counter32: 10060699
IF-MIB::ifOutOctets.2 = Counter32: 650
IF-MIB::ifOutOctets.3 = Counter32: 0
~]$ [command]#snmpwalk localhost IF-MIB::ifInOctets#
IF-MIB::ifInOctets.1 = Counter32: 10060699
IF-MIB::ifInOctets.2 = Counter32: 78650
IF-MIB::ifInOctets.3 = Counter32: 0
~]$ [command]#snmpwalk localhost NET-SNMP-MIB::netSnmpPlaypen#
NET-SNMP-MIB::netSnmpPlaypen.1.0 = STRING: "hello world"
NET-SNMP-MIB::netSnmpPlaypen.1.1 = INTEGER: 8675309
~]$ [command]#snmpwalk localhost UCD-SNMP-MIB::memory#
UCD-SNMP-MIB::memIndex.0 = INTEGER: 0
UCD-SNMP-MIB::memErrorName.0 = STRING: swap
UCD-SNMP-MIB::memTotalSwap.0 = INTEGER: 1023992 kB
UCD-SNMP-MIB::memAvailSwap.0 = INTEGER: 1023992 kB
UCD-SNMP-MIB::memTotalReal.0 = INTEGER: 1021588 kB
UCD-SNMP-MIB::memAvailReal.0 = INTEGER: 634260 kB
UCD-SNMP-MIB::memTotalFree.0 = INTEGER: 1658252 kB
UCD-SNMP-MIB::memMinimumSwap.0 = INTEGER: 16000 kB
UCD-SNMP-MIB::memBuffer.0 = INTEGER: 30760 kB
UCD-SNMP-MIB::memCached.0 = INTEGER: 216200 kB
UCD-SNMP-MIB::memSwapError.0 = INTEGER: noError(0)
UCD-SNMP-MIB::memSwapErrorMsg.0 = STRING:
~]$ [command]#snmpwalk localhost UCD-SNMP-MIB::systemStats#
UCD-SNMP-MIB::ssIndex.0 = INTEGER: 1
UCD-SNMP-MIB::ssErrorName.0 = STRING: systemStats
UCD-SNMP-MIB::ssSwapIn.0 = INTEGER: 0 kB
UCD-SNMP-MIB::ssSwapOut.0 = INTEGER: 0 kB
UCD-SNMP-MIB::ssIOSent.0 = INTEGER: 0 blocks/s
UCD-SNMP-MIB::ssIOReceive.0 = INTEGER: 0 blocks/s
UCD-SNMP-MIB::ssSysInterrupts.0 = INTEGER: 29 interrupts/s
UCD-SNMP-MIB::ssSysContext.0 = INTEGER: 18 switches/s
UCD-SNMP-MIB::ssCpuUser.0 = INTEGER: 0
UCD-SNMP-MIB::ssCpuSystem.0 = INTEGER: 0
UCD-SNMP-MIB::ssCpuIdle.0 = INTEGER: 99
UCD-SNMP-MIB::ssCpuRawUser.0 = Counter32: 2278
UCD-SNMP-MIB::ssCpuRawNice.0 = Counter32: 1395
UCD-SNMP-MIB::ssCpuRawSystem.0 = Counter32: 6826
UCD-SNMP-MIB::ssCpuRawIdle.0 = Counter32: 3383736
UCD-SNMP-MIB::ssCpuRawWait.0 = Counter32: 7629
UCD-SNMP-MIB::ssCpuRawKernel.0 = Counter32: 0
UCD-SNMP-MIB::ssCpuRawInterrupt.0 = Counter32: 434
UCD-SNMP-MIB::ssIORawSent.0 = Counter32: 266770
UCD-SNMP-MIB::ssIORawReceived.0 = Counter32: 427302
UCD-SNMP-MIB::ssRawInterrupts.0 = Counter32: 743442
UCD-SNMP-MIB::ssRawContexts.0 = Counter32: 718557
UCD-SNMP-MIB::ssCpuRawSoftIRQ.0 = Counter32: 128
UCD-SNMP-MIB::ssRawSwapIn.0 = Counter32: 0
UCD-SNMP-MIB::ssRawSwapOut.0 = Counter32: 0