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• Why is the network speed on my Mac Pro (early 2009) so slow?

  - by Rafael

  I have a really weird networking issue on my Mac Pro (Early 2009). I can’t get higher network speeds than about 2MBit/s. It doesn’t matter if this is over AirPort or one of the Ethernet ports. An iMac and a Mac mini in the same network with almost the same configuration get about 25-30 MBit/s. I’ve read a couple of things about this on the official Apple forums, but there is no helpful information. Anyone else with Mac Pro network speed issues and who knows how to solve them?

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• Gmail not accepting mail

  - by BARON'S

  I'm setting up a new mail server with postfix dovecot and things are working fine except this strange thing. I'm unable to send email to gmail addresses. The log shows status sent. However, I checked there is no email in gmail mailbox. Jul 8 13:10:08 example postfix/smtp[5294]: B53B637C233: to=<[email protected]>, relay=gmail-smtp-in-v4v6.l.google.com[173.194.79.26]:25, delay=2.2, delays=1.5/0.08/0.49/0.14, dsn=2.0.0, status=sent (250 2.0.0 OK 1341727808 nc7si50672387pbc.75) However, my other account can send to gmail. After several testing, then I found that if I first send email from gmail, then subsequently I can send from my server and email received by gmail. I don't have this issue with Yahoo. What could be the problem?

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• Does Google provide any Android tutorials that teach how to implement a Service?

  - by Bub

  I apologize in advance for the "newbie" nature of this question. Here is my predicament: I'm brand new to android and developing in general. I'm using android's SDK with eclipse Galileo. I've followed several tutorials to create different layouts. I've even learned recently how to use radio buttons and verify which ones were selected. Now I need to create a service that downloads and updates an xml file within the application. I've tried to locate a simple tutorial for services on Google's developer site but so far, so bad. If they exist could somebody point me in the right direction? On the other hand, I've been told Google's tutorials are a little out dated. Is that true? If so, are there any other tutorials that would hand-hold (and possibly over-explain) how to use a service to a true newbie for free (like google)? Any suggestions would be appreciated.

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• How to receive mail in Qmail?

  - by Ivan

  I've a server that uses Qmail. It is installed by default and it is supposed to work. I've created a new domain and new user (vadddomain + vadduser) without problems, but when I send an email from Gmail to [email protected] (the address I've created) it desappears, it is. But if connect to SMTP server directly (telnet domain.com 25) and post an email it arrives to the user queue. What's happening?!? Note: If I try to access to my user through telnet domain.com 110 it seems my pwd is not correct and it's the same I used when created the user with vadduser

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• Exchange unable to relay mail outbound

  - by Saif Khan

  I have some users congigured in exchange 2003 (delivery options tab) to forward mails to their external address. This was working fine until today. The mails are being held up in the SMTP queue folder. I am able telnet the addresses (e.g. google.com) at port 25 from the server. Any reason why the mails are held up? Other emails are going ou. It's only the mailboxes configured to forward the mail out to the public email addresses. I also did the following Check event logs for errors. Nothing. Checked my domain on blacklists. Nothing. Any idesa?

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• correct format for datetime appended to filename

  - by jhayes

  I'm trying to setup a batch file to execute a set of stored procs and dump the output to a timestamped text file. I'm having problems finding the correct format for the timestamp. Here is what I'm using osql.exe -S <server> -E -Q "EXEC <stored procedure> " -o "c:\filename_%date:~-0,10%_%time:~-0,10%.txt" The error I get is: Cannot open output file - x:\filename_Thu 06/25/_16:26:43.1.txt No such file or directory I can't find the documentation and I've played around with it but can't find the correct format.

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• Xen 4.1 host (dom0) with blktap disks ("tap:aio:") not connecting

  - by Manwe

  Problem using blktap with xen-4.1 running Ubuntu Precise stock kernel with dom0 xen-4.1. I get: [ 5.580106] XENBUS: Waiting for devices to initialise: 295s...290s. ... [ 300.580288] XENBUS: Timeout connecting to device: device/vbd/51713 (local state 3, remote state 1) And some syslog lines: May 17 13:07:30 localhost logger: /etc/xen/scripts/blktap: add XENBUS_PATH=backend/tap/10/51713 May 17 13:07:31 localhost logger: /etc/xen/scripts/blktap: Writing backend/tap/10/51713/hotplug-status connected to xenstore. with tap:aio: disk lines. file:/ works. disk = [ 'tap:aio:/data/root.img,xvda1,w', ] Problem exists with lucid and precises domU kernels and both guests work in Ubuntu hardy dom0 Host 64bit 2.6.24-28-xen xen-3.3 3.2.0-24-generic #37-Ubuntu SMP Wed Apr 25 08:43:22 UTC 2012 x86_64 x86_64 x86_64 GNU/Linux Distributor ID: Ubuntu Description: Ubuntu 12.04 LTS Release: 12.04 Codename: precise

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• Block site on a PC logged into a domain and using a proxy

  - by Rauf

  I read lot of posts related with blocking sites. Most of the posts says to edit hosts file. I know it is a good method. But this one is not working for me. Can you guess what is the issue by analyzing the following details, My PC is joined to a domain and using proxy settings, and the logged in user having administrator privileges. After reading some answers, I did the following Changed the hosts file to have # 38.25.63.10 x.acme.com # x client host 127.0.0.1 localhost 127.0.0.1 www.facebook.com Added no proxy for facebook, Still, it is not working. Why ?

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• Heading div images should be displayed at a lower depth

  - by Mack

  I have a webpage where the top 25% of the page is the heading(with images in it) & the rest of the page has the content. I am trying to get the heading div to display is pictures at a lower depth as the content div because currently the heading images overflow into the content div(intentionally) & when they do they mess up the positioning of the HTML elements in the content div. My code below should make the heading div display below the content div but it doesn't. Can you help me figure out why & how to fix it? My CSS: html, body { height: 100%; width: 100%; } body { background-color: RGB(255, 255, 255); margin: 20px; text-align: center; } #outerContainer { background-color: #DCFF9A; height: 100%; width: 100%; } #header { width: 1200px; height: 25%; background-color: blue; margin-left: auto; margin-right: auto; overflow: visible; z-index: -5; } #main { display: block; width: 1200px; height: 60%; background-color: blue; margin-left: auto; margin-right: auto; z-index: 5; } #navBar { float: left; height: 800px; width: 240px; background-color: red; } #content { float: left; height: 800px; width: 760px; background-color: yellow; } #kamaleiText { float: left; } #kamaleiLogo { float: left; padding-top: 30px; background-color: green; z-index: inherit; } #kamaleiLeaves { float: right; z-index: -2; background-color: cyan; z-index: inherit; } And my HTML is the following: <body> <div id="outerContainer"> <div id="header"> <img id="kamaleiLogo" src="" alt="Pic1" height="98%" width="300px"/> <!-- Knowtice if I set the width to something smaller then everything is spaced out correctly, so these elements are not being shown below others when they should be --> <img id="kamaleiLeaves" src="" alt="Pic2" height="300px" width="300px"/> </div> <br/> <div id="main"> <div id="navBar"> </div> <div id="content"> abcdef </div> </div> </div> </body>

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• Meaning of tcp_delack_min

  - by Phi

  Hi, the current Linux Kernel (e.g. 2.6.36) uses Delayed Acknowledgments (delack). In /include/net/tcp.h it says: define TCP_DELACK_MIN ((unsigned)(HZ/25)) So, for a Kernel using a HZ value of 1000, an ACK should be delayed by a minimum of 40 ms. However, RFC 2581 says a TCP implementation should acknowledge every second full sized segment without further delay. Does anybody know whether the Linux Kernel follows that 'should' or whether the TCP_DELACK_MIN value means that even after a full sized segment was received, the ACK continues to be delayed until 40 ms have passed?

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• Can Excel show a formula and its result simultaneously?

  - by nhinkle

  I know that it's possible in Excel to toggle between displaying values and displaying formulas. I'm required to turn in assignments for a statistics class as a printed Excel sheet showing both the formula and the result. Right now the instructor makes us either copy the formula and paste it as text next to the computed value, or copy the value and paste it next to the formula. This is very inefficient, prone to error (if you change the formula or values after doing the copy-paste), and generally a waste of time. Is there any way to have Excel show the formula and its value in the same cell? If not, is there any function which will display the formula from a referenced cell as plain text, e.g. =showformula(A1) which would print out =sum(A2:A5) instead of 25 (if those were the formula and value of cell A1)? I'm using Excel 2010, but a general answer that works for any recent edition of Excel would be nice.

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• MS Excel Vba/Macro equivalent in LibreCalc or OpenOfficeCalc

  - by ReggieCL

  is there an equivalent macro/vba in libre calc that does this routine; - Read/open xls files in a path and do a batch import/copy of read sheets and merge it with the current open workbook. Here's the vba I used in MS Excel. Thanks in advance Sub Consolidate_Sheets() 'Folder Path to read the xlsx files from Path = "F:\WIP2\Below 25\" filename = Dir(Path & "*.xlsx") Do While filename <> "" Workbooks.Open filename:=Path & filename, ReadOnly:=True For Each sheet In ActiveWorkbook.Sheets 'import/copy sheets from to read xlsx files sheet.Copy After:=ThisWorkbook.Sheets(1) Next sheet Workbooks(filename).Close filename = Dir() Loop End Sub

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• Setting the Server Port in D-Link Router for eMailing Logs

  - by Synetech

  Does anyone know how to set the port for the email server in the Status->Log section of the D-Link DI-524? I’ve tried the setting below but it does not seem to work. I don’t want to use the default port 25 if I can avoid it. (No, the server and email address in the snap are irrelevant, you can replace the server with hotmail.com or whatever and address with a valid one; the question I am trying to figure out is how to set the port.)

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• Mini DV and DVI Conversion

  - by Kairan

  Video card is: AMD HD 6950 My video card comes with 1xHDMI, 2xDVI, and 2xMini DV ports. I have always used VGA and DVI only. I have the HDMI already connected. I want to hook up 2 more display. One of the display can take a VGA only, the other is an LCD TV so it has VGA, HDMI, Component. I am wondering: 1) What is the best output port to use for the second two monitors? The miniDV or the DVI? 2) I need to run a long cable maybe 15-25 feet, this might change the answer to question 1, is an HDMI long cable 20+ ft going to be better than a 20ft DVI or miniDV ?

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• reorder XML elements or set an explicit template with XSLT

  - by Sash

  I tried the solution in my previous question (flattening XML to load via SSIS package), however this isn't working. I now know what I need to do, however I need some guidance on how to do it. So say I have the following XML structure: <person id="1"> <name>John</name> <surname>Smith</surname> <age>25</age> <comment> <comment_id>1</comment_id> <comment_text>Hello</comment_text> </comment> <comment> <comment_id>2</comment_id> <comment_text>Hello again!</comment_text> </comment> <somethingelse> <id>1</id> </somethingelse> <comment> <comment_id>3</comment_id> <comment_text>Third Item</comment_text> </comment> </person> <person id="2"> <name>John</name> <surname>Smith</surname> <age>25</age> <somethingelse> <id>1</id> </somethingelse> </person> ... ... If I am to load this into a SSIS package, as an XML source, what I will essentially get is a table created for each element, as opposed to get a structured table output such as person table (name, surname, age) somethingelse table (id) comment table (comment_id, comment_text) What I end up getting is: person table (person_Id <-- internal SSIS id) name table surname table age table person_name table person_surname table person_comment_comment_id table etc... What I found was that if each element and all inner elements are not in the same format and consistency, i will get the above anomaly which makes it rather complex especially if I am dealing with 80 - 100+ columns. Unfortunately I have no way of modifying the system (Lotus Notes) that produces these reports, so I was wondering whether I may be able to explicitly have an XSLT template that will be able to align each person sub elements (and the sub collection elements such as comments ? Unless there is a quicker way to realign all inner elements. Seems that SSIS XML source requires a very consistent XML file in the sense of: if the name element is in position 1, then all subsequent name elements within person parent have to be in position 1. SSIS seems to pickup the inconsistencies if there are certain elements missing from one parent to another, however, if their ordering is not right (A, B, C)(A, B, C)(A,C,B), it will chuck a massive fuss! All help is appreciated! Thank you in advance.

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• Allowing outbound traffic with APF/iptables for OpenVZ container

  - by David

  I have apf installed on a OpenVZ container (proxmox 2.1). The config is pretty much vanilla and things are working. My external services like ssh and http are working. My problem is that all outbound traffic on http/https is blocked. How do I allow all outbound traffic for http/https. If I change EGF to 1 like this, all inbound and outbound traffic gets blocked EGF="1" EG_TCP_CPORTS="21,25,80,443,43,53" EG_UDP_CPORTS="20,21,53" EG_ICMP_TYPES="all" I opened a single outbound rule with the following # /usr/local/sbin/apf -a downloads.wordpress.org How do I allow all outbound traffic on http/https without blocking all traffic? Why would I allow all inbound ssh/http traffic and block all outbound traffic?

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• Spam mail through SMTP and user spoofing

  - by Josten Moore

  I have noticed that it's possible to telnet into a mailserver that I own and send spoofed messages to other clients. This only works for the domain that the mail server is regarding; I cannot do it for other domains. For example; lets say that I own example.com. If I telnet example.com 25 I can successfully send a message to another user without authentication: HELO local MAIL FROM: [email protected] RCPT TO: [email protected] DATA SUBJECT: Whatever this is spam Spam spam spam . I consider this a big problem; how do I secure this?

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• windows 2008r2 SNMP hrStorageSize reporting wrong values

  - by Giannis Nohj

  I'm trying to monitor disks on windows 2008 R2 system, but I'm getting wrong values returned from hrStorageSize and hrStorageUsed for one of the 2 disks the system has. Local disk C: is returning correct values, whereas D: disk, which is an SAN disk, is reporting 32G instead of 500G. Output of snmpwalk -v 2c -c public hostname-01 .1.3.6.1.2.1.25.2 : HOST-RESOURCES-MIB::hrStorageDescr.1 = STRING: C:\ Label: Serial Number 7ff87ca6 HOST-RESOURCES-MIB::hrStorageDescr.2 = STRING: D:\ Label:Data Serial Number dab5b0b9 ... HOST-RESOURCES-MIB::hrStorageAllocationUnits.1 = INTEGER: 4096 Bytes HOST-RESOURCES-MIB::hrStorageAllocationUnits.2 = INTEGER: 4096 Bytes ... HOST-RESOURCES-MIB::hrStorageSize.1 = INTEGER: 35834383 HOST-RESOURCES-MIB::hrStorageSize.2 = INTEGER: 7864320 ... HOST-RESOURCES-MIB::hrStorageUsed.1 = INTEGER: 32460169 HOST-RESOURCES-MIB::hrStorageUsed.2 = INTEGER: 3192302 I have calculated the first disk (C:) size as 136G, which is correct. On the other hand, D: is calculated as 30G, where it should be 500G. I also tried fsutil on the system and the output was correct. Anyone have any ideas?

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• application that could track amount of downloads

  - by user23950

  My ISP only limits me for downloading about 25gb a month. After exceeding the limit, my speed goes down by half for another month. And its really a pain. I'm real addicted on downloading stuff from the internet. My question is: Is there an application that can track the amount/size of downloads in a month. Is there a trick that I could use to fool the eyes of my ISP. If they say 25 Gb limit in a month. Does it include the webpages, manga streams, video & audio streams. Or just direct download and p2p.

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• script to test mail server

  - by WebDude

  Ever since a windows update that took down my IIS6 mail server a few weeks back, I've been really paranoid about my mail server working. So every time I run a windows update I fire up command prompt and send myself a quick test mail. Like so: > telnet localhost 25 > helo domain.com > mail from: [email protected] > rcpt to: [email protected] > data some random body to mail myself . This is a realy great way to test my mail server, but it's a pain in the neck to do quickly. Is there anyway i can run this in a batch script or something as a quick test? I've tried a bat file but this just waits after i call telnet I've also explored if telnet accepts any input files and it does not seem to. What's the best way to do this?

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• Why doesn't postfix use my smtp_generic_maps?

  - by RichardTheKiwi

  What have I set up incorrectly? >postconf -n .... smtp_generic_maps = regexp:/etc/postfix/rewrite .... >cat /etc/postfix/rewrite /.*/ [email protected] >echo "test" | mail -s "test" [email protected] >tail -f /var/log/mail.log Dec 8 05:56:01 xxxxxxxxxxxx postfix/pickup[20227]: E9272709284: uid=501 from=<yyyy> Dec 8 05:56:01 xxxxxxxxxxxx postfix/cleanup[20270]: E9272709284: message-id=<[email protected]> Dec 8 05:56:01 xxxxxxxxxxxx postfix/qmgr[20228]: E9272709284: from=<[email protected]>, size=331, nrcpt=1 (queue active) Dec 8 05:56:03 xxxxxxxxxxxx postfix/smtp[20272]: E9272709284: to=<[email protected]>, relay=mailinator.com[72.51.33.80]:25, delay=1.1, delays=0.02/0.01/0.48/0.58, dsn=2.0.0, status=sent (250 Ok) FYI, I have reloaded postfix many times sudo postfix reload Note: This is on OSX 10.7.5

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• How to get the IP Address for your Local Area Connection on Windows Server?

  - by Geo

  I want to create a batch or vbs file that will put together a url and executed. Part of that url needs to be the actual ip address of the machine. How I am able to get that IP address in a variable to include it on the script? EDIT 1: I found out that the command below will give me the IP Address, but still don't know how to get that value into a variable to use it in a script. c:\> wmic NICCONFIG WHERE IPEnabled=true GET IPAddress /format:csv Node,IPAddress IP-0AFB,{10.25.5.2}

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• postfix smtps issue

  - by DavidC

  Im currently experiencing the following issue with postfix over ssl (smtps) Apr 7 13:43:55 server88-208-248-147 postfix/smtpd[5777]: connect from xxxxxxxxxxxxxxx[xxx.xxx.xxx.xxx] Apr 7 13:45:09 server88-208-248-147 postfix/smtpd[5777]: lost connection after UNKNOWN from xxxxxxxxxxxxxxx[xxx.xxx.xxx.xxx] Apr 7 13:45:09 server88-208-248-147 postfix/smtpd[5777]: disconnect from xxxxxxxxxxxxxxx[xxx.xxx.xxx.xxx] my main.cf is as follows: smtpd_tls_cert_file = /etc/postfix/smtpd.cert smtpd_tls_key_file = /etc/postfix/smtpd.key smtpd_use_tls = yes smtp_use_tls = yes smtpd_tls_auth_only = no smtpd_tls_CAfile = /etc/postfix/caroot.crt smtpd_tls_session_cache_database = btree:${data_directory}/smtpd_scache smtp_tls_session_cache_database = btree:${data_directory}/smtp_scache smtpd_tls_loglevel = 1 when accessing smtp and running start tls i get the following: # telnet xxxxxxxxxxxxxxx 25 Trying xxxxxxxxxxxxxxx... Connected to xxxxxxxxxxxxxxx . Escape character is '^]'. 220 xxxxxxxxxxxxxxx ESMTP Postfix ehlo localhost 250-xxxxxxxxxxxxxxx 250-PIPELINING 250-SIZE 10240000 250-VRFY 250-ETRN 250-STARTTLS 250-AUTH PLAIN LOGIN 250-AUTH=PLAIN LOGIN 250-ENHANCEDSTATUSCODES 250-8BITMIME 250 DSN STARTTLS 220 2.0.0 Ready to start TLS please help as i'm lost of places to look now. os is Ubuntu 10.4 and the SSL is a wildcard SSL, imap/pop and apache work flawlessly with the same certificate.

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• SQLIO help decipher output

  - by SQL Learner

  When load testing on a SQL Server Box, using following (testfile is 25 GB) sqlio -kW -t8 -s360 -o8 -frandom -b8 -BH -LS g:\testfile.dat > result.txt sqlio -kW -t8 -s360 -o8 -frandom -b64 -BH -LS g:\testfile.dat >> result.txt sqlio -kW -t8 -s360 -o8 -frandom -b128 -BH -LS g:\testfile.dat >> result.txt sqlio -kW -t8 -s360 -o8 -frandom -b256 -BH -LS g:\testfile.dat >> result.txt Can anyone help me decipher output.. I do not understand latency min and average....? What does this number means IOs/sec: 10968.80 MBs/sec: 685.55 latency metrics: Min_Latency(ms): 1 Avg_Latency(ms): 5 Max_Latency(ms): 21

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• Configuring Corporate Windows Error Reporting On Windows 7

  - by Clément

  Is there any good documentation out there explaining how to setup Corporate Error Reporting (CER) on Windows 7? I found some information in Advanced Windows Debugging but the book targets Windows XP and things have changed quite a bit since then. I could not find any tutorials on the Internet/MSDN either. To give a bit of background information, I work for a company with 25 employees and I would like to send crash reports to a local server so that I can analyze what causes our tools to crash. I think I need to know two things: Setting up a Corporate Error Reporting server. Setting up computer to send error reports to our Corporate Error Reporting server.

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