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  1. [ubuntu] Re: Need to reload networking after internet outage

    This is what I use. It pings my DHCP default gateway, but you could use google for that matter. If there are no return pings then, it shuts down the current ethernet and reloads it. I load this...
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    [SOLVED] Re: backwards IP addresses?

    I don't have an ubuntu machine handy, but under Fedora there is program called ipcalc that has a lot of ip6 and ip4 capability. This program is used in the Fedora startup and returns some data as...
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    [SOLVED] Re: Telnet read, and variables.

    If you login via

    "telnet <url> pop3" (no quotes).

    And type in HELP (in caps). Does the help return any info? If it does you should be able to parse the number, you need.

    The pop3 number...
  4. [ubuntu] Re: How do I change workspace in server command line

    Command "newgrp" with the new group you want to become.

    "groups" tell you which groups you belong to.

    Not sure what you are asking. Default group is the same one you login with.
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    [ubuntu] Re: Staying Connected to the Internet.

    Try something like the following in a cron. This is for an ethernet connection that keeps going down and trys to fix the connection. The ifdown and ifup are scripts that kill the old connection and...
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    [SOLVED] Re: Upgrading to TLS Within HTTP

    I don't think a generic port 80 html connection can be upgraded to TLS. That is what https (443) is for. There is an addon for Firefox that forces all http (80) connections to go to https (443). ...
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    [ubuntu] Re: How do I tell if a photo has been geotaged?

    Try this:

    listgeo - utility program (distributed with libgeotiff) for dumping the metadata of a GeoTIFF file

    This works for some geotiff maps I have. It might be smart enough to see the...
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    [ubuntu] Ubuntu equivalent of privateeye

    The last 2 feet of security!!

    Does anybody know is there is a Ubuntu equivalent of this windows software called privateeye (sic). I have searched via Google looking for an equivalent of this...
  9. [SOLVED] Re: Get the network of any given IP 4 script(s)

    I only have access to a Fedora Core 15 right now, but my machine has a program call "ipcalc" in /bin . When it is executed from a command line like:

    /bin/ipcalc --network 192.168.200.10...
  10. [ubuntu] Re: bash: ./configure: No such file or directory

    This is fishing on my part, but is there a .configure . Dot files don't list and to run the configure would be "./.configure".

    I didn't see it being untar'ed either.
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    [SOLVED] Re: Question about FileZilla...

    From a command line type in "which filezilla". The spelling is probably lower case. If you have locate install, type "locate filezilla" from a command line.
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    [ubuntu] Re: Total Memory Way Off?

    Do a "more /proc/meminfo".
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    Re: Gedit - matching bracket ?

    Slightly off topic, but vim uses the % key (percent) to close parens, square, and curly brackets.
  14. Thread: C compilation

    by lensman3
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    Re: C compilation

    From a command line:
    "ld test"
    to see the libraries that the executable needs to run.

    type in "nm test"
    to see what are modules are called and the called routines. This works best on .o...
  15. Thread: dvd burners

    by lensman3
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    [all variants] Re: dvd burners

    I use from a command line:


    growisofs -speed=6 -Z /dev/dvd -dvd-video -volset "<Dvd Name>" <source directory path>

    This takes a dvd file stucture and burns it to a dvd.
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    Re: /tmp security concerns

    That's why /tmp is on its own partition, so I can't fill the disk up. And as you write to the file, check the status return of write. One of the returned conditions is "disk full".

    Same...
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    Re: /tmp security concerns

    You can also create an invisible temporary file (at least in C) using a file handle. Then delete it by file name. Don't close it before you delete it and the file will deleted from the dot file,...
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    [ubuntu] Re: Very confusing partitions - please help!

    What does "/etc/mtab" show. mtab is what the kernel writes as file systems and partitions are mounted and what options the file systems were mounted with. Also as root do a "fdisk -l /dev/sda",...
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    [ubuntu] Re: Can't create Audio CDs

    The following is from my howto:

    4. Run cdparanoia copying each track into the tmp directory.
    Dumps or converts the files to .wav files as default
    # cdparanoia -B "1-"

    5. Remove...
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    [ubuntu] Re: Virtual box question again

    You need a line in /etc/group that looks like "vboxusers:x:501:xxx" where xxx is you login name. When you type in the command "groups xxx" you should see the group you are in as well as vboxusers....
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    Re: /tmp security concerns

    Take a look at the "t" option of the "chmod" command. /tmp has the tee flag set. This is the restricted deletion flag or sticky bit and adds extra privileges to the files in the directory.
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    Re: Any way to grab the 'kill'?

    Look at the signal() function. It should allow what you want. You can set up your own signal handlers.

    kill -9 is the only one you can't catch in Linux/Unix. The others you can catch.
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    [SOLVED] Re: Is NFS safe from outside sources

    I have blocked the following (at one time or another) from going to the Internet. There several ports that should be blocked. The following is from an iptables script I once used.


    $IPTABLES...
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    [all variants] Re: Strange Chinese IP's in traceroute?

    You mean this? I think wikileaks reported this too.

    http://www.bbc.co.uk/news/technology-11773146

    Do a google search on "china dns servers reroute"
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    [ubuntu] Re: package build fails

    The computer time is about 35000 seconds in the future. 35000 is about 1/2 a day. Try resetting the system clock to the correct time. Next start from a clean make. The command should be "make...
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