LanceBaynes's questions

So I have this Cisco switch (Cisco SD2005) and I need to turn off the (probably) CDP:

14:58:53.235097 01:80:c2:00:00:01 (oui Unknown) > Broadcast, ethertype Unknown (0x8874), length 60:
    0x0000:  e008 8f4f d8c2 fa05 da4e 5010 0000 0000  ...O.....NP.....
    0x0010:  0000 0000 0000 0000 0000 0000 0000 0000  ................
    0x0020:  0000 0000 0000 0000 0000 0000 0000       .............. 

How can I do this?

I'm not familiar with Cicso switches so I need a little description for it.

AFAIK this is how can I turn CDP off (got this from my friend):

switch# enable
switch# configure terminal
switch# no cdp run
switch# show cdp neighbors

 % CDP is not enabled           

!--- This message indicates that CDP is disabled on this device.

swithch# end

But this switch is an "unmanaged" switch (?)

p.s.: is the tcpdumped data CDP at all??

What exactly is an SMTP relay, and what exactly is an SMTP smarthost? Can someone give me a brief description of each, including how they relate to one another?

This is a Canonical Question about DNS glue records.

What exactly (but briefly) is a DNS glue record? Why are they needed and how do they work?

I recently purchased a domain that comes with 10 GByte storage. I could be only reachable with FTP over TLS.

Are there any methods to "mount" this storage like when e.g.: using SSHFS?

Because If we (several wireless clients) download too much (that means "full speed" for several hours) the router (WRT160NL - OpenWrt 10.04 with two default 8 dBi omni antenna) just reboots randomly. Or are there any "watchdog" like solutions built-in OpenWrt so that if the router has too many load for too long time it reboots it?

http://www.google.com/support/a/bin/answer.py?answer=178723

How to properly set up my mailservers DNS record? I mean is it good to only set a:

v=spf1 include:_spf.google.com ~all

or is it better to:

v=spf1 include:_spf.google.com ?all

In Putty, there are three tunneling options:

Can someone explain what is the difference between them?

INPUT:

dig +multiline google.com axfr

OUTPUT:

; <<>> DiG 9.7.3-RedHat-9.7.3-1.fc14 <<>> +multiline google.com axfr
;; global options: +cmd
; Transfer failed.

What am I missing?
Regarding: DNS Lookup to Bind config file

How can I get the BIND zone file output using the DIG command?

INPUT:

echo QUIT | openssl s_client -connect mail.google.com:443 | sed -ne '/BEGIN CERT/,/END CERT/p'

OUTPUT:

depth=2 C = US, O = "VeriSign, Inc.", OU = Class 3 Public Primary Certification Authority
verify return:1
depth=1 C = ZA, O = Thawte Consulting (Pty) Ltd., CN = Thawte SGC CA
verify return:1
depth=0 C = US, ST = California, L = Mountain View, O = Google Inc, CN = mail.google.com
verify return:1
DONE
-----BEGIN CERTIFICATE-----
MIIDIjCCAougAwIBAgIQHxn23jXdY6FCkYrVLMCrEjANBgkqhkiG9w0BAQUFADBM
MQswCQYDVQQGEwJaQTElMCMGA1UEChMcVGhhd3RlIENvbnN1bHRpbmcgKFB0eSkg
THRkLjEWMBQGA1UEAxMNVGhhd3RlIFNHQyBDQTAeFw0wOTEyMTgwMDAwMDBaFw0x
MTEyMTgyMzU5NTlaMGkxCzAJBgNVBAYTAlVTMRMwEQYDVQQIEwpDYWxpZm9ybmlh
MRYwFAYDVQQHFA1Nb3VudGFpbiBWaWV3MRMwEQYDVQQKFApHb29nbGUgSW5jMRgw
FgYDVQQDFA9tYWlsLmdvb2dsZS5jb20wgZ8wDQYJKoZIhvcNAQEBBQADgY0AMIGJ
AoGBANknyBHye+RFyUa2Y3WDsXd+F0GJgDjxRSegPNnoqABL2QfQut7t9CymrNwn
E+wMwaaZF0LmjSfSgRSwS4L6ssXQuyBZYiijlrVh9nbBbUbS/brGDz3RyXeaWDP2
BnYyrVFfKV9u+BKLrebFCDmzQ0OpW5Ed1+PPUd91WY6NgKtTAgMBAAGjgecwgeQw
DAYDVR0TAQH/BAIwADA2BgNVHR8ELzAtMCugKaAnhiVodHRwOi8vY3JsLnRoYXd0
ZS5jb20vVGhhd3RlU0dDQ0EuY3JsMCgGA1UdJQQhMB8GCCsGAQUFBwMBBggrBgEF
BQcDAgYJYIZIAYb4QgQBMHIGCCsGAQUFBwEBBGYwZDAiBggrBgEFBQcwAYYWaHR0
cDovL29jc3AudGhhd3RlLmNvbTA+BggrBgEFBQcwAoYyaHR0cDovL3d3dy50aGF3
dGUuY29tL3JlcG9zaXRvcnkvVGhhd3RlX1NHQ19DQS5jcnQwDQYJKoZIhvcNAQEF
BQADgYEAicju7fexy+yRP2drx57Tcqo+BElR1CiHNZ1nhPmS9QSZaudDA8jy25IP
VWvjEgaq13Hro0Hg32ZNVK53qcXwjWtnCAReojvNwj6/x1Ciq5B6D7E6eiYDSfXJ
8/a2vR5IbgY89nq+wuHaA6vspH6vNR848xO3z1PQ7BrIjnYQ1A0=
-----END CERTIFICATE-----

Regarding: https://superuser.com/questions/284150/how-to-add-self-signed-certificates-to-different-browsers - this is about the "-i [filename]" part (how to get the file generated).

Q: How can I modify this oneliner to only OUTPUT the PUBLIC key?

Purpose: boot an Ubuntu 10.10 LiveCD, and run a pppoe server on it...
I thought it's just like this:
1) I create a user
2) I run "pppd require-pap"
...but noooo

why? I'm trying to run pppd but it gives the:
pppd: The remote system is required to authenticate itself
pppd: but I couldn't fin any suitable secret (password) for it to use to do so.

Can anyone post it in a few lines how to do it?

I just need a pppd server using only PAP [i don't really need that users can log in, etc.], because i just want that that the clients try to log in with PAP, so I can tcpdump the username/passwords, because we don't have them.

Thank you!! :\ it's getting important..

OS: Fedora 14 i386

It's used as a ""normal desktop laptop"".

"USER A" - it's the mainly used user, i log in with GDM with it, etc.

Goal: I need a little more security - separate a few apps!

How: run 3 applications ( Transmission, Google Chrome, Wine ) with other users ( so not with "USER A" ). But when i'm logged in ( in GUI ) with "USER A", i need icons on he's the Desktop. E.g.: just one click ( without asking for password!! ) and Google Chrome starts with another user.

How exactly can i do this? - How can i "grant" "USER A" with permissions ( securely ) so that it doesn't needs a password, when running applications with "USER B", "USER C", etc.?

Are there any howtos/docs/links?

Thank you in advance.

I have a log file:
http://pastebin.com/raw.php?i=cdUpTqNV

the first column, before the "ASDF" is the same time, as in the given row, but in unix time [i think it's easier to do this with unix time].

I just need the lines what was in the last 2 minutes:
Ending: 07:55:08 - the last time in the logfile
Starting: 07:53:09 - at most 2 minutes before the last log line in the logfile

The output of the pastebined text would be:
1295938389ASDF 01 25 07:53:09 router authpriv.notice dropbear[20673]: password auth succeeded for 'root' from 192.168.1.201:43822
1295938401ASDF 01 25 07:53:21 router daemon.info dnsmasq-dhcp[1140]: DHCPREQUEST(br-lan) 192.168.1.201 01:2c:23:c3:32:f3
1295938401ASDF 01 25 07:53:21 router daemon.info dnsmasq-dhcp[1140]: DHCPACK(br-lan) 192.168.1.201 01:2c:23:c3:32:f3
1295938508ASDF 01 25 07:55:08 router daemon.info dnsmasq-dhcp[1140]: DHCPREQUEST(br-lan) 192.168.1.201 01:2c:23:c3:32:f3
1295938508ASDF 01 25 07:55:08 router daemon.info dnsmasq-dhcp[1140]: DHCPACK(br-lan) 192.168.1.201 01:2c:23:c3:32:f3

How to do this using only minimal *nix tools? [it's an OpenWrt router, no perl :( ]

so, how to do this: output only line(Last log line time - 120sec)?

Thank you!

http://pastebin.com/raw.php?i=rCLH4r4M
I have a text file: "hogyaza.txt".
I want to convert the "normal dates" in it [only at the line starting] to unix time. i know how to "convert" one line:

$ ONELINE='2011-01-24 19:13:19ASDF 01 24 19:13:19 router daemon.info dnsmasq-dhcp[1140]: DHCPDISCOVER(br-lan) 192.168.1.201 00:1b:37:a8:74:f1'; date +%s -d "$(echo $ONELINE | awk -F "ASDF" '{print $1}')"
1295892799
$
But i need it in this format:
1295892799ASDF 01 24 19:13:19 router daemon.info dnsmasq-dhcp[1140]: DHCPDISCOVER(br-lan) 192.168.1.201 00:1b:37:a8:74:f1
or better, this format:
1295892799 19:13:19 router daemon.info dnsmasq-dhcp[1140]: DHCPDISCOVER(br-lan) 192.168.1.201 00:1b:37:a8:74:f1
here's the file:
$ cat hogyaza.txt
2011-01-24 19:13:19ASDF 01 24 19:13:19 router daemon.info dnsmasq-dhcp[1140]: DHCPDISCOVER(br-lan) 192.168.1.201 00:1b:37:a8:74:f1
2011-01-24 19:13:19ASDF 01 24 19:13:19 router daemon.info dnsmasq-dhcp[1140]: DHCPOFFER(br-lan) 192.168.1.201 00:1b:37:a8:74:f1
2011-01-24 19:13:19ASDF 01 24 19:13:19 router daemon.info dnsmasq-dhcp[1140]: DHCPREQUEST(br-lan) 192.168.1.201 00:1b:37:a8:74:f1
2011-01-24 19:13:19ASDF 01 24 19:13:19 router daemon.info dnsmasq-dhcp[1140]: DHCPACK(br-lan) 192.168.1.201 00:1b:37:a8:74:f1
$

Does anybody know how to convert the e.g.: "^2011-01-24 19:13:19" dates to unix format in the txt?
Thank you!
p.s.: it's needed on an openwrt router, so no perl :((( no space for it on the flash

how to get a list of the connected wifi clients in OpenWrt 10.03?

If someone starts to use the wifi, i can see that with logread:

Jan 23 21:04:47 router daemon.info hostapd: wlan0: STA XX:XX:XX:XX:XX:XX IEEE 802.11: authenticated

But how can i see, that he/she's disconnecting? Theres no "bla-bla deauthenticated bla" line in logread, or even a thing that points to that someone get's disconnected..

I tried to google:
http://wiki.openwrt.org/doc/uci/system
But it doesn't writes about loglevel.

Can anyone help me find out, how to find out that someone disconnects it's wifi from the router? The logread doesn't even writes a line when someone disconnects.

Please help!! It's important!
Thank you!:\

The two "sed lines" only differ by a "\n" below..
How can i get this output [no new line before the </pre>]? [ http://pastebin.com/raw.php?i=ED34jvtF ]:
.
.
something3
</pre>
something4
.
.


$ echo -e 'something1\nsomething2\nsomething3\n\n</pre>\nsomething4\nsomething5'; echo "######################################"; echo -e 'something1\nsomething2\nsomething3\n\n</pre>\nsomething4\nsomething5' | sed -e N -e N -e "s#\n</pre>#</pre>#g" -e P -e D
something1
something2
something3

</pre>
something4
something5
######################################
something1
something2
something3</pre>
something4
something5
$
$ echo -e 'something1\nsomething2\nsomething3\n\n</pre>\nsomething4\nsomething5' | sed -e N -e N -e "s#\n</pre>#\n</pre>#g" -e P -e D
something1
something2
something3

</pre>
something4
something5
$

I am using OpenWrt 10.03 and need to send "reports" from my router by email. I have installed sendmail:

# opkg install mini-sendmail

Then I used my ISP's smtp server:

# echo -e "From: [email protected]\nSubject: SUBJECT\nReply-to: [email protected]\n\nBODYHERE" \
> | mini_sendmail -sMYISPSSMTPSERVER [email protected]
mini_sendmail: unexpected response 550 to RCPT TO command

Questions:

1. How could I know, that my ISP's blocking port 25?

   # telnet MYISPSSMTPSERVER 25
   220 MYISPSSMTPSERVER ESMTP ready
   quit
   221 MYISPSSMTPSERVER closing connection
   Connection closed by foreign host
   

   so it's not blocked?

2. If port 25 isn't blocked, then how could I check this? Do I need an "email user" at my ISP?

3. If I can't get email working, than I have to register a free e-mail address [gmail?], and find out, how to send e-mail [with username and password required] in OpenWRT The only problem is that, I don't want to store passwords on the router.

How can i get the path to the given users desktop?

I used this:

echo $(awk "NR==$(awk 'BEGIN {FS=":"} {print $3}' /etc/passwd | awk "/^$(id -u USERSNAMEHERE)$/ {print NR}")" /etc/passwd | awk 'BEGIN {FS=":"} {print $6}')/Desktop

are there any better ones?

What if the users Desktop's name isn't "Desktop"?

Thank you!

p.s.: using Fedora 14 but are there any "general" methods to find out the given users desktop?

1. In the "A" directory: find . -type f > a.txt
2. In the "B" directory: cat a.txt | while read FILENAMES; do touch "$FILENAMES"; done

Result: Step 2 "creates the files" (I mean only with the same filename, but with 0 Byte size) but if there are subdirs in the "A" directory, then step 2 can't create the files in the subdir, because there are no directories in it.

Question: Is there a way, that "touch" can create directories?