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SysInfo: a set of scripts that document your system

Discussion in 'Userland Programming and Scripting' started by danger@, Apr 8, 2009.

  1. danger@

    danger@ Administrator Staff Member Administrator Moderator Developer

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    Hello guys,

    I am developing a script that automatically documents settings of particular freebsd (currently 7.x) box from the hardware point of view to the network and services related information.

    The point of this script is to provide some descriptive information about unknown system's configuration (hardware and software) for administrator who has no idea about the given system.

    I would greatly appreciate if you guys could test it in your environment and provide some feedback. It currently doesn't provide very much information, so I would really also like to hear your opinions on what kind of information would you be interested in in above described situation, which I should document.

    The latest version of this script can be found at:
    http://people.freebsd.org/~danger/sysinfo/

    Thank you.
     
  2. DutchDaemon

    DutchDaemon Administrator Staff Member Administrator Moderator

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    I get an error in the part handled by the 020-mem script.

    Code:
    
    System memory summary
    expr: illegal option -- 4
    usage: expr [-e] expression
    expr: illegal option -- 1
    usage: expr [-e] expression
    Total real memory available:	2047 MB
    Logically used memory:		 MB
    Logically available memory:	 MB
    
    020-mem run with sh -xv:

    Code:
    cat <<EOF
    Total real memory available:	$(calc_mb $physmem) MB
    Logically used memory:		$(calc_mb $usedmem) MB
    Logically available memory:	$(calc_mb $availmem) MB
    EOF
    + cat
    + calc_mb 3203567616
    + expr 3203567616 / 1048576
    + echo 2047
    + return
    + calc_mb -465883137
    + expr -465883137 / 1048576
    expr: illegal option -- 4
    usage: expr [-e] expression
    + echo
    + return
    + calc_mb -1681600512
    + expr -1681600512 / 1048576
    expr: illegal option -- 1
    usage: expr [-e] expression
    + echo
    + return
    Total real memory available:	2047 MB
    Logically used memory:		 MB
    Logically available memory:	 MB
    
    My real mem (dmesg -a) is 3220897792 (3071 MB), btw ;)
     
  3. danger@

    danger@ Administrator Staff Member Administrator Moderator Developer

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  4. icer

    icer New Member

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    no errors and all true :)
    Code:
    CPU information
    
    Machine class:	i386
    CPU Model:	Intel(R) Pentium(R) Dual  CPU  E2200  @ 2.20GHz
    Number of CPUs:	2
    
    RAM information
    
    System memory summary
    Total real memory available:	1005 MB
    Logically used memory:		481 MB
    Logically available memory:	523 MB
    
    Swap information
    Device          1K-blocks     Used    Avail Capacity
    /dev/ad6s1b       4194304       0B     4.0G     0%
    
    Operating system information
    
    Operating system release:	FreeBSD 7.1-RELEASE-p2
    OS architecture:		i386
    Hostname:			icer.local
    Kernel build dir location:	/usr/obj/usr/src/sys/WiFi
    Currently booted kernel:	/boot/kernel/kernel
    
    Currently loaded kernel modules (kldstat):
    acpi.ko
    linprocfs.ko
    linux.ko
    Storage information
    
    Available hard drives:
    da3: <Generic USB MS Reader 1.03> Removable Direct Access SCSI-0 device 
    da3: 1.000MB/s transfers
    da3: Attempt to query device size failed: NOT READY, Medium not present
    da2: <Generic USB SM Reader 1.02> Removable Direct Access SCSI-0 device 
    da2: 1.000MB/s transfers
    da2: Attempt to query device size failed: NOT READY, Medium not present
    da1: <Generic USB CF Reader 1.01> Removable Direct Access SCSI-0 device 
    da1: 1.000MB/s transfers
    da1: Attempt to query device size failed: NOT READY, Medium not present
    da0: <Generic USB SD Reader 1.00> Removable Direct Access SCSI-0 device 
    da0: 1.000MB/s transfers
    da0: Attempt to query device size failed: NOT READY, Medium not present
    acd0: DVDR <Optiarc DVD RW AD-7170A/1.03> at ata2-master UDMA66
    cd0: <Optiarc DVD RW AD-7170A 1.03> Removable CD-ROM SCSI-0 device 
    cd0: 66.000MB/s transfers
    cd0: Attempt to query device size failed: NOT READY, Medium not present
    ad6: 76319MB <WDC WD800JD-60LSA5 10.01E03> at ata3-master SATA300
    
    Currently mounted filesystems:
    /dev/ad6s1a on / (ufs, local)
    devfs on /dev (devfs, local)
    /dev/ad6s1e on /tmp (ufs, local, soft-updates)
    /dev/ad6s1f on /usr (ufs, local, soft-updates)
    /dev/ad6s1d on /var (ufs, local, soft-updates)
    procfs on /proc (procfs, local)
    linprocfs on /usr/compat/linux/proc (linprocfs, local)
    
    I/O statistics:
          tty             ad6              da0              da1             cpu
     tin tout  KB/t tps  MB/s   KB/t tps  MB/s   KB/t tps  MB/s  us ni sy in id
      14  209 11.09  11  0.12   0.01   0  0.00   0.01   0  0.00   6  0  2  2 90
    INFO: 
    Run gstat(8) to see live statistics.
    
    Disk usage:
    Filesystem     Size    Used   Avail Capacity  Mounted on
    /dev/ad6s1a    496M    252M    204M    55%    /
    devfs          1.0K    1.0K      0B   100%    /dev
    /dev/ad6s1e    496M     17M    439M     4%    /tmp
    /dev/ad6s1f     58G     27G     26G    52%    /usr
    /dev/ad6s1d    9.7G    1.4G    7.5G    16%    /var
    procfs         4.0K    4.0K      0B   100%    /proc
    linprocfs      4.0K    4.0K      0B   100%    /usr/compat/linux/proc
    
    Network information
    
    hostname:  icer.local
    
    Currently available network devices:
    em0 ath0 fwe0 fwip0 lo0 pflog0 pfsync0
    
    Basic configuration for currently available NICs:
    
    em0:
    MAC address: 00:1c:c0:73:7c:2c
    IPv4 addresses:
    192.168.x.x netmask 0xffffff00
    
    ath0:
    MAC address: 00:21:91:97:ba:5e
    IPv4 addresses:
    192.168.x.x netmask 0xffffff00
    MAC address: 02:90:27:24:da:b9
    
    lo0:
    IPv4 addresses:
    127.0.0.1 netmask 0xff000000
    IPv6 addresses:
    fe80::1%lo0 prefixlen 64
    ::1 prefixlen 128
    
    Default route: 192.168.x.x
    INFO: For a complete routing table please run netstat -rn
    
    There are 12 currently opened or listening connections.
    INFO: For more information please see sockstat(8) manual
    
    Information related to services
    
    Misc information
    
    Currently logged-in users:
    icer             v8       :0                9:51PM     - -
    icer             p1       :0.0             10:48PM     - w -hi
    icer             p0       :0.0              9:51PM     9 /usr/bin/as -o nsPlugi
    
    Uptime:
    10:50PM  up  4:55, 3 users, load averages: 1.17, 1.05, 0.88
    
    thx, useful fiche
    P.S. btw in my opinion, it will be useful if script check rc.conf and after what check runing services and show status. smf like this:
    apache 2.2.1 - runing
    samba 3.3.3 - runing
     
  5. DutchDaemon

    DutchDaemon Administrator Staff Member Administrator Moderator

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    Yes, that looks normal to me.

    Code:
    SYSTEM MEMORY INFORMATION:
    mem_wire:         144449536 (    137MB) [  4%] Wired: disabled for paging out
    mem_active:  +    179015680 (    170MB) [  5%] Active: recently referenced
    mem_inactive:+    567050240 (    540MB) [ 18%] Inactive: recently not referenced
    mem_cache:   +      2453504 (      2MB) [  0%] Cached: almost avail. for allocation
    mem_free:    +   2252898304 (   2148MB) [ 71%] Free: fully available for allocation
    mem_gap_vm:  +       688128 (      0MB) [  0%] Memory gap: UNKNOWN
    -------------- ------------ ----------- ------
    mem_all:     =   3146555392 (   3000MB) [100%] Total real memory managed
    mem_gap_sys: +     57012224 (     54MB)        Memory gap: Kernel?!
    -------------- ------------ -----------
    mem_phys:    =   3203567616 (   3055MB)        Total real memory available
    mem_gap_hw:  +     17657856 (     16MB)        Memory gap: Segment Mappings?!
    -------------- ------------ -----------
    mem_hw:      =   3221225472 (   3072MB)        Total real memory installed
    
    SYSTEM MEMORY SUMMARY:
    mem_used:         398823424 (    380MB) [ 12%] Logically used memory
    mem_avail:   +   2822402048 (   2691MB) [ 87%] Logically available memory
    -------------- ------------ ----------- ------
    mem_total:   =   3221225472 (   3072MB) [100%] Logically total memory
    
     
  6. zordio

    zordio New Member

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    I also get an error in the memory section:

    Code:
    expr: illegal option -- 1
    usage: expr [-e] expression
    expr: syntax error
    
    I threw a few extra lines into 020.mem to see the values of the memory variables:

    Code:
    physmem: 3744890880
    activemem: 140959744
    inactmem: -1125810176
    cachemem: 142274560
    allmem: -616513536
    wiremem: 211468288
    freemem: 13770752
    
    and the direct sysctl outputs (done after the script ran, so the results might be a little different) are:

    Code:
    hw.pagesize: 4096
    hw.physmem: 3744890880
    vm.stats.vm.v_active_count: 34425
    vm.stats.vm.v_inactive_count: 773958
    vm.stats.vm.v_cache_count: 34531
    vm.stats.vm.v_page_count: 898060
    vm.stats.vm.v_wire_count: 51683
    vm.stats.vm.v_free_count: 3258
    
    Seems to be an overflow error for memory above a certain size.
     
  7. danger@

    danger@ Administrator Staff Member Administrator Moderator Developer

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    interesting...I will check later today and see what's going on. I have been developing this tool on 8gb box, so it's a bit weird. We will see.
     
  8. danger@

    danger@ Administrator Staff Member Administrator Moderator Developer

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    Yup, the services part is not yet implemented. I will be working on this part today or maybe during the weekend and Easter holidays.

    Having that said, I would like to hear what kind of information you guys are interested to see in the script's output in that regard.

    Thanks.
     
  9. danger@

    danger@ Administrator Staff Member Administrator Moderator Developer

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    what does % expr 3744890880 / 1048576 give you?
     
  10. zordio

    zordio New Member

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    That gives 2047. Although the problem seemed to be with multiplication, not division.

    While reading the expr man page, I noticed the -e option, to detect overflows. I added it to the script, and no longer get errors:

    Code:
    RAM information
    
    System memory summary
    Total real memory available:    3571 MB
    Logically used memory:          398 MB
    Logically available memory:     3172 MB
    
    Swap information
    Device          1K-blocks     Used    Avail Capacity
    /dev/twed0s1b     4194304     248K     4.0G     0%
    
     
  11. danger@

    danger@ Administrator Staff Member Administrator Moderator Developer

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  12. lme@

    lme@ Administrator Staff Member Administrator Moderator Developer

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    Daniel, that's a very nice script! :)
    Code:
    Available hard drives:
    acd0: DVDR <TSSTcorpCD/DVDW TS-L632D/SC01> at ata0-slave UDMA33
    acd0: FAILURE - INQUIRY ILLEGAL REQUEST asc=0x24 ascq=0x00
    cd0: <TSSTcorp CD/DVDW TS-L632D SC01> Removable CD-ROM SCSI-0 device
    cd0: 33.000MB/s transfers
    cd0: Attempt to query device size failed: NOT READY, 
    ^^^^ should be grepped out
    Medium not present - tray closed
    acpi_acad0: <AC Adapter> on acpi0
    ^^^^^^^^^^^^^^^^^^^^^^^
      no, this is not a drive ;-)
    ad0: 114473MB <Seagate ST9120822A 3.ALC> at ata0-master UDMA100
    
    Code:
    Basic configuration for currently available NICs:
    MAC address: 00:13:02:3f:0d:e4
    MAC address: 00:00:f0:7f:da:00
    MAC address: 02:00:f0:0f:ab:79
    
    You should add the device names here.

    Code:
    Default route: 192.168.10.1
    
    Here you could add the interface.
     
  13. zordio

    zordio New Member

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  14. DutchDaemon

    DutchDaemon Administrator Staff Member Administrator Moderator

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  15. gelraen

    gelraen New Member

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    Code:
    CPU information
    
    Machine class:  i386
    CPU Model:      Intel(R) Core(TM)2 Duo CPU     T7250  @ 2.00GHz
    Number of CPUs: 2
    
    RAM information
    
    System memory summary
    Total real memory available:    2035 MB
    Logically used memory:          1352 MB
    Logically available memory:     682 MB
    
    Swap information
    Device          512-blocks     Used    Avail Capacity
    /dev/ad4s1b        4194304     920K     2.0G     0%
    
    Operating system information
    
    Operating system release:       FreeBSD 8.0-CURRENT
    OS architecture:                i386
    Hostname:                       imax
    Kernel build dir location:      /usr/obj/usr/src/sys/HEAD
    Currently booted kernel:        /boot/kernel/kernel
    
    Currently loaded kernel modules (kldstat):
    drm.ko
    radeon.ko
    linprocfs.ko
    linux.ko
    ng_socket.ko
    ng_mppc.ko
    rc4.ko
    ng_iface.ko
    ng_ppp.ko
    fuse.ko
    kqemu.ko
    Storage information
    
    Available hard drives:
    acd0: DVDR <MATSHITADVD-RAM UJ-861H/1.50> at ata0-master PIO4
    acd0: FAILURE - INQUIRY ILLEGAL REQUEST asc=0x24 ascq=0x00
    acd0: FAILURE - INQUIRY ILLEGAL REQUEST asc=0x24 ascq=0x00
    cd0: <MATSHITA DVD-RAM UJ-861H 1.50> Removable CD-ROM SCSI-0 device
    cd0: 16.000MB/s transfers
    cd0: Attempt to query device size failed: NOT READY, Medium not present - tray closed
    ad4: 152627MB <FUJITSU MHY2160BH 890B> at ata2-master SATA150
    
    Currently mounted filesystems:
    /dev/ufs/root on / (ufs, local)
    devfs on /dev (devfs, local)
    /dev/ufs/tmp on /tmp (ufs, local, soft-updates)
    /dev/ufs/usr on /usr (ufs, local, soft-updates)
    /dev/ufs/var on /var (ufs, local, soft-updates)
    procfs on /proc (procfs, local)
    linprocfs on /usr/compat/linux/proc (linprocfs, local)
    devfs on /usr/compat/linux/dev (devfs, local)
    /usr/home/imax/music/Audio on /var/ftp/music/audio (nullfs, local, read-only)
    /usr/home/imax/music/Video on /var/ftp/music/video (nullfs, local, read-only)
    /usr/home/imax/music/Lyrics on /var/ftp/music/lyrics (nullfs, local, read-only)
    /usr/home/imax/Films on /var/ftp/films (nullfs, local, read-only, union)
    /usr/home/imax/Share on /var/ftp/share (nullfs, local, read-only)
    /var/ftp/incoming on /usr/home/imax/incoming (nullfs, local)
    /usr/ports/distfiles on /var/ftp/distfiles (nullfs, local, read-only)
    /usr/home/imax/Documents/docs on /var/ftp/docs (nullfs, local, read-only)
    devfs on /var/named/dev (devfs, local)
    
    I/O statistics:
          tty             ad4              cd0            pass0             cpu
     tin tout  KB/t tps  MB/s   KB/t tps  MB/s   KB/t tps  MB/s  us ni sy in id
      57 1588 65.26  17  1.05   0.00   0  0.00   0.00   0  0.00  17  3  9  1 69
    modules/030.storage: DEBUG: checkyesno: INFO_MSGS is set to YES.
    INFO: Run gstat(8) to see live statistics.
    
    Disk usage:
    Filesystem                       Size    Used   Avail Capacity  Mounted on
    /dev/ufs/root                    496M    167M    289M    37%    /
    devfs                            1.0K    1.0K      0B   100%    /dev
    /dev/ufs/tmp                     989M    123M    787M    13%    /tmp
    /dev/ufs/usr                     138G    135G    1.2G    99%    /usr
    /dev/ufs/var                     2.9G    687M    2.0G    25%    /var
    procfs                           4.0K    4.0K      0B   100%    /proc
    linprocfs                        4.0K    4.0K      0B   100%    /usr/compat/linux/proc
    devfs                            1.0K    1.0K      0B   100%    /usr/compat/linux/dev
    /usr/home/imax/music/Audio       138G    135G    1.2G    99%    /var/ftp/music/audio
    /usr/home/imax/music/Video       138G    135G    1.2G    99%    /var/ftp/music/video
    /usr/home/imax/music/Lyrics      138G    135G    1.2G    99%    /var/ftp/music/lyrics
    /usr/home/imax/Films             138G    135G    1.2G    99%    /var/ftp/films
    /usr/home/imax/Share             138G    135G    1.2G    99%    /var/ftp/share
    /var/ftp/incoming                2.9G    687M    2.0G    25%    /usr/home/imax/incoming
    /usr/ports/distfiles             138G    135G    1.2G    99%    /var/ftp/distfiles
    /usr/home/imax/Documents/docs    138G    135G    1.2G    99%    /var/ftp/docs
    devfs                            1.0K    1.0K      0B   100%    /var/named/dev
    
    Network information
    
    hostname:  imax
    
    Currently available network devices:
    em0 wpi0 lo0 vlan0 ng0 gif0 gif1 gif4
    
    Basic configuration for currently available NICs:
    
    em0:
    MAC address: 00:1a:4b:76:91:e1
    IPv4 addresses:
    10.45.71.120 netmask 0xffffff80
    MAC address: 00:1c:bf:2e:dc:fc
    
    lo0:
    IPv4 addresses:
    127.0.0.1 netmask 0xff000000
    IPv6 addresses:
    fe80::1%lo0 prefixlen 64
    ::1 prefixlen 128
    
    vlan0:
    MAC address: 00:1a:4b:76:91:e1
    IPv4 addresses:
    10.45.74.7 netmask 0xffffff00
    
    gif0:
    IPv4 addresses:
    inet 10.45.74.7 -->
    192.168.100.1 --> 192.168.100.2
    
    gif1:
    IPv4 addresses:
    inet 10.45.74.7 -->
    192.168.100.1 --> 192.168.100.3
    
    gif4:
    IPv4 addresses:
    inet 10.45.74.7 -->
    192.168.100.17 --> 192.168.100.18
    
    Default route: 10.45.74.254
    modules/040.network: DEBUG: checkyesno: INFO_MSGS is set to YES.
    INFO: For a complete routing table please run netstat -rn
    
    There are 183 currently opened or listening connections.
    modules/040.network: DEBUG: checkyesno: INFO_MSGS is set to YES.
    INFO: For more information please see sockstat(8) manual
    
    Information related to services
    
    Misc information
    
    Currently logged-in users:
    root             pts/10   :pts/9:S.0       Thu03PM  9:18 /usr/local/bin/zsh
    
    Uptime:
    12:55AM  up 10:51, 1 user, load averages: 0.55, 0.56, 0.59
    ifconfig output parsing not adopted for point-to-point interfaces.

    Maybe resolv.conf should be printed in network information.
    Also, information about firewall could be useful (as for ipfw - at least sysctl net.inet(6).ip(6).fw.enable, net.link.ether.ipfw and net.link.bridge.ipfw variables).

    P.S.: `./sysinfo -a | less` full of esacpe sequences used for coloring which makes output some less readable.

    P.P.S.: thanks for developing such tool :)
     
  16. danger@

    danger@ Administrator Staff Member Administrator Moderator Developer

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    First, let me thank you for the feedback.

    Could you please send me the output of your ifconfig, so I can fix it for P2P devices?

    Feature added in my local version, thanks for an idea.

    That's a great idea, I will implement it soon.

    That's why there's -c option :)

    It's nice to hear such words, thanks :)
    Actually it's being developed as part of my bachelor thesis.
     
  17. danger@

    danger@ Administrator Staff Member Administrator Moderator Developer

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    I wonder how does your ifconfig output look like?

    Added. :)
     
  18. gelraen

    gelraen New Member

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    Code:
    % ifconfig gif0
    gif0: flags=8051<UP,POINTOPOINT,RUNNING,MULTICAST> metric 0 mtu 1280
            tunnel inet 10.45.74.7 --> 10.45.67.94
            inet 192.168.100.17 --> 192.168.100.18 netmask 0xffffffff
    
    General interface looks like this:
    Code:
    % ifconfig vlan0
    vlan0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> metric 0 mtu 1500
            options=3<RXCSUM,TXCSUM>
            ether 00:1a:4b:76:91:e1
            inet 10.45.74.7 netmask 0xffffff00 broadcast 10.45.74.255
            media: Ethernet autoselect (100baseTX <full-duplex>)
            status: active
            vlan: 1000 parent interface: em0
    Oh, sorry, I've missed this one :)

    And one more small thing, when started without parameters it show help message followed by
    Code:
    ./sysinfo: ERROR: Not enough arguments provided.
     
  19. marius

    marius New Member

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    The script seems to work correctly on my Soekris.
     
  20. danger@

    danger@ Administrator Staff Member Administrator Moderator Developer

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    SysInfo v0.4 release

    Hello guys,

    I have packaged a new version of my script. It can be downloaded from http://people.freebsd.org/~danger/sysinfo/sysinfo-110409.tar.gz.

    Please test it (including execution with -v to include verbose information) and report any bugs you may have found.

    I am still also interested in ideas on what should this script document.

    Thanks in advance!
     
  21. mwatkins

    mwatkins New Member

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    Your latest script works without issue on my slightly out-dated version of FreeBSD 7.1 and served to remind me I have to do an OS update this weekend.

    Quick small issue - advice in the following statement is spelled incorrectly:

    INFO: For system tuning adice, see the tuning(7) man page.
     
  22. gelraen

    gelraen New Member

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    1) check_firewalls() should handle also $firewall_type, not just $firewall_script (btw, maybe will be better to say "ipfw show" instead)

    2) services module output full of
    Code:
    Cannot 'status' snmpd. Set snmpd_enable to YES in /etc/rc.conf or use 'onestatus' instead of 'status'.
    3) Socket statistics doesn't count tcp/udp sockets. And phrase "IP connections" has no sense.
     
  23. trev

    trev New Member

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    You could add vmstat(8) -i info after cpu info.

    You could vmstat(8) output here.

    You could compare against /etc/fstab and list currently unmounted filesystems too.

    After this, it might be useful to see the output of dump(8) -W ... although I'm sure everyone's backups would be up-to-date :)

    Why does the MAC address run on? Most of your other info after a colon starts a new line.

    Leave this out if there isn't any firewall info? Or say "no firewall info found" ?

    Why not csup(1) with compression? Faster and smaller updates.

    Why the blank line between entries?

    Might as well be consistent and make it "Configuration of..." rather than "Configuration files for..." the second time.

    Nice job!
     
  24. danger@

    danger@ Administrator Staff Member Administrator Moderator Developer

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    Hello,

    it's me again! I have put up a new version of SysInfo (0.5), which can be downloaded from http://people.freebsd.org/~danger/sysinfo/sysinfo-140409.tar.gz.

    In this version, I have incomporated the latest feedback I have recieved. I would be very thankful if anybody could test it in their own environment and report any bugs found in this release.

    As a last note -- I am still looking for ideas of what should be documented by this script.
     
  25. DutchDaemon

    DutchDaemon Administrator Staff Member Administrator Moderator

    Messages:
    10,664
    Likes Received:
    24
    Two quirks:

    Double:

    Code:
    Available hard drives:
    cd0: <HL-DT-ST DVDRAM GSA-T40L KC07> Removable CD-ROM SCSI-0 device 
    cd0: 16.000MB/s transfers
    cd0: <HL-DT-ST DVDRAM GSA-T40L KC07> Removable CD-ROM SCSI-0 device 
    cd0: 16.000MB/s transfers
    ad8: 114473MB <Seagate ST9120823AS 3.AHE> at ata4-master SATA300
    ad8: 114473MB <Seagate ST9120823AS 3.AHE> at ata4-master SATA300
    
    ?

    Code:
    Firewall related information:
    [: -ne: unexpected operator
    
    (not using any)