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• Where can I learn about managing domain names for my websites? [closed]

  - by Shahbaz

  [I originally asked this question on serverfault.com, where it was closed as 'out of scope.' Hopefully it is appropriate for this forum] I am a developer who doesn't understand how to effectively manage Internet domain names. Say I registered a name with namecheap and host a website on linode. Now what is an a-record? What is a name server and do I host it with namecheap of linode? Why would I pay amazon when others are free? Does any of this matter in terms of website latency or reliability? I feel like a script kiddy, copying and pasting others' and hoping it works. Is there a book or other resource that explains all this? I know amazon is full of books about DNS, but afaik they are about setting up DNA servers for local networks, not the Internet. p.s. To emphasize, I'm asking for books or long write-ups which explain this to technically competent people, who just haven't had to think about the role of commercial registrars, name servers, commercial hosts, commercial websites and how all parts play together on the real internet (not local networks).

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• Tracking down laptops Google has never heard of

  - by John

  Using MS tools to get information on PCs using our software, our customers have sent several Lenovo systems which have names we simply cannot find using Google... no search results at all. Considering these names/ids are returned by querying the system directly, not asking the customer to write it down by looking at the box, this seems odd. The ones we have so far (more than one of each) are: Lenovo 2241BL9 Lenovo 6463Y4H My guess is these are Thinkpads after Lenovo took over the brand, but can anyone help me out with this detective work? edit: the 2nd one does turn up some driver downloads and this page, but it's unclear what any of that means. Is the 6463y4h just a T61? http://smolts.org/reports/view_profile/%20ThinkPad%20T61

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• IIS and PHP restrict IO permissions

  - by ULTRA_POROV

  I have php installed trough a fastCGI module. Is there a way to restrict the module (php.exe) read / write permissions to only the directory (+ subdirs) of the IIS site that is calling it? I need this to prevent one IIS PHP site from having access to files outside its own directory. How to do this? Is there a setting in php.ini or in the IIS configuration? I believe such a feature could exist, because when a file on the server is requested the root path of the site is also known, all it would take is that IIS passes this path to the php module, and the php module should on its end allow only IO operations within this path. PS: I know it is possible to achieve this by using a different windows account for each website, this is not an option.

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• Using Process Monitor to track registry changes

  - by CChriss

  It seems many people like using Process Monitor to see what changes are being made to the registry during a process. So I downloaded it. I want to see what changes are made in the registry by some config changes I'm making on my computer so I can write them into a vbs script to do them easily. Can someone tell me how to drive Process Monitor to capture the info? In the Help I don't see how to do it. I'm using Windows 7 home Premium 64 bit.

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• Apache mod_header rule to change all cookies to secure

  - by Supowski

  I would like to change all cookies to be secure and http-only. It works fine for one cookie, but doesn't work when multiple cookies are set in response. Apache mod_header rule should change cookies from: Set-Cookie cookie1=value; Path=/somePath Set-Cookie cookie2=value; Path=/somePath to Set-Cookie cookie1=value; Path=/somePath; Secure; Http-Only Set-Cookie cookie2=value; Path=/somePath; Secure; Http-Only I use mod_headers for it with following rule: Header edit Set-Cookie ^(.*)$ $1;Secure;HttpOnly It works fine when only one cookie is set, but if there is more than one, it just removes all the following and they are not set at all. Any help how to write mod_headers rule for multiple values? or the problem is in something else?

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• Laptop, unable to install discrete graphics card GTX 880M

  - by FoxyShadoww

  So I've bought the GT70 2PE Dominator Pro a few weeks ago and I installed Zorin OS 9 Ultimate on it. Today I tried to install the Nvidia drivers on my laptop since it has the GTX 880M, but my system became unbootable. Can anyone help me with this issue? I will write down what I've tried so far. This is what I've tried so far: Downloaded the newest Nvidia drivers from their website. Pressed CTRL+ALT+F2 to open the terminal page thingy. Logged in and got root access. Stopped the lightdm service. Ran the NVIDIA-Linux-x86_64-340.32.run installer. Pressed the accept button and right after that it told me the following message: The distribution-provided pre-install script failed! Continue installation anyway?. When I install anyway, it will crash my system and makes it unbootable, Does anyone know how to use my GTX 880M? Do I need to enable it on boot time somehow? Thanks for the support, Sapphire ~

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• Is "Cleversoft PC Tuneup Maestro" malware?

  - by Barend

  I found a desktop icon for something called PC TuneUp Maestro on my parents' laptop. Googling it yields pages upon pages of freeware download sites, but I couldn't find anything legitimately confirming or clearing it of malware status. I distrust these programs by default, but Microsoft Security Essentials seems to think it's legit. Does anyone know what this program is and if it's up to anything surreptious? Can I uninstall it or do I write off the entire OS install as tainted? The system hosts file is intact (no funny unicode lookalikes either), so that red flag, at least, hasn't been raised.

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• Embed Powershell prompt in Windows 7 desktop

  - by EricRRichards

  On Linux (last time I did this was with Compiz on Ubuntu 11), I like to have a transparent console window anchored to the desktop, so I can get to a shell just by clicking out of whatever I'm doing and don't have to play with with moving/resizing windows. I'd like to do something similar on Windows 7/Server 2008. I could probably write up a quick little app in .Net that would run fullscreen and have a powershell terminal embedded in it, but, if somebody has already created something sufficient, or there is some other hackery to do this, I don't want to reinvent the wheel. Another possibility could be a Quake-style pulldown console, similar to Guake (guake.org).

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• Postfix not delivering mails

  - by Sotocan

  Hi all, I have problems with a recently configured postfix MTA. When postfix starts the following warning appears: "postfix/qmgr[5078]: warning: connect to transport private/filter: No such file or directory" I have amavis-new as a content-filter, but even if I comment-out the relevant line, the warning appears. As a result (I think), of the above, I get errors like below, for every virtual domain that I have: "postfix/error[5080]: 254851834107: to=, relay=none, delay=13082, delays=13082/0.01/0/0.01, dsn=4.3.0, status=deferred (mail transport unavailable)" The good news for me, is that somehow I managed to fix that (don't ask me how!!!!) The problem is that now I have 50 or so mails, that were affected by the aforementioned problem, in the mail-queue... If I "postqueue -f " I get the same style of error as before (mail transport unavailable)...however new mails are delivered to their final destination properly... Any suggestions? Kind regards. P.S. Local mail delivery from/to Unix and virtual users, was OK write from the beginning!

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• Java login through LDAP

  - by Salda

  I am starting to write an application for our office and the first step is authentication through LDAP where all users already exist. Everything I need is a code in Java to check if the pair <nick,password> is right. Google found me many links, but I think that I will find here the most sofisticate, short and up to date solution (I don't want to read all articles like 2 whole days to do something so simple). I have written many dkBs of code in C++, but in Java I am total noob and I haven't coded anything with LDAP yet so try to be simple if speaking in Java and LDAP terms if possible.

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• Permission denied on network share

  - by Philipp

  i have a Windows 8 host system running a virtual(hyper-v) Debian6 client with an lamp environment. My development environment runs under Windows and I mapped the folder with my php files to a network drive so Apache has access to them.(mount.cifs //pc/share /var/share/) This far no problems - I see my app on windows in the browser. The problem is, I can't write stuff in php to the share folder - everytime i got a permission denied message in my error logs. For testing purpose i tried to change the directory permissions of /var/share with chmod -R 777 /var/share without success. Now Iam a little bit stumped.. has anyone an idea how to solve this?

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• Can I see if and when a file was deleted on Windows Server 2003?

  - by user316687

  On Windows Server 2003, is there a way to see if and when a file was deleted? It's a web server with IIS, our web application let our users to load Word documents into server. However, we found that one Word file is missing, and would like to know is it was deleted or never existed (web app could'nt load it). EDIT: I tried to follow this: Enable auditing the folder you want to keep track of. Just right click on the folder, go to “sharing and security”, then “security” tab, at the bottom click on “advanced”. Select the auditing tab, click add, select the group or users to track, then pick what actions you want to track. To track file deletion you would enable: Create files/Write data Success/Fail Create folders / append data Success/Fail Delete Subfolders/Files Success/Fail Delete Suceess/Fail This one will apply from now on, past actions wouldn't be able to track?

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• Auto-starting a GUI application that requires sudo

  - by nanostuff

  Question: I need to auto-start a GUI application that requires sudo. I know I need to edit the sudoers file with: sudo visudo However, I don't know what to write in the file. What I already tried: sudo visudo and then added the following: nanostuff ALL = NOPASSWD: /usr/lib/AirVPN/AirVPN.exe I also tried with: nanostuff ALL = NOPASSWD /usr/bin/X11/airvpn and nanostuff ALL = NOPASSWD /usr/bin/airvpn None of those worked. By doing: ps aux | grep airvpn I get the following output: nanostuff 6805 0.2 0.4 483520 17384 ? Sl 17:13 0:01 /usr/bin/gksu -u root -m AirVPN Client needs administrative privileges. Please enter your password. mono /usr/lib/AirVPN/AirVPN.exe path=/home/nanostuff/.airvpn root 6806 0.0 0.0 78604 2392 ? Ss 17:13 0:00 /usr/bin/sudo -H -S -p GNOME_SUDO_PASS -u root -- mono /usr/lib/AirVPN/AirVPN.exe path=/home/nanostuff/.airvpn root 6808 3.2 2.0 1257532 83032 ? Sl 17:13 0:12 mono /usr/lib/AirVPN/AirVPN.exe path=/home/nanostuff/.airvpn root 6832 0.0 0.0 22652 3336 ? S 17:14 0:00 /usr/sbin/openvpn --config /home/nanostuff/.airvpn/384ef91f85df5ea2abc88c7416b95bbdf2bc4299edd2850614d4e343ba721ae3.tmp.ovpn nanostuff 6951 0.0 0.0 18932 932 pts/2 S+ 17:20 0:00 grep --color=auto airvpn Additional info: OS: Ubuntu 14.04 64bits Application: It's a VPN client

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• Are there any good resources for refactoring existing C# code to use LINQ while keeping your tests passing?

  - by Paddyslacker

  I've been teaching myself a little LINQ and an exercise I thought would be useful was to take my existing Project Euler C# code, which I built using Test Driven Development and gradually convert it to LINQ. I realise that LINQ is not always the best solution for all of the Project Euler problems, but I don't want to get into that here. I'm wondering whether or not it's feasible to refactor "traditional" OO C# code to use LINQ and functional programming syntax whilst keeping all of your tests passing. I can't find a way to make the tiny steps I'm used to making using TDD when converting to LINQ and this is a roadblock for me. I seem to have to make large changes to come up with a single function that I then replace whole chunks of my code with. I realise I could write this from scratch in LINQ, but in the real world, I'd like to be able to replace parts of my existing C# code to take advantage of LINQ where appropriate. Has anyone been successful with this approach? What resources did you find useful for refactoring existing C# code to use LINQ whilst taking a Test Driven Development approach?

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• How do I save a Web Page?

  - by Remus Rigo

  Hi all, I have tried many programs and solutions to save web pages (html, mht, doc, pdf). My favorite software was an addon for browsers from Omnipage (OCR). What I like about this is that it prints the whole page (continuously) and it doesn't write the URL or page numbers on the page, which I find annoying. Does anyone know a software like this one (freeware or not)? I tried CutePDF and it didn't work for me. I want this for my offline use and would prefer a PDF.

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• Best use of new express card on Windows

  - by jckdnk111

  I just bought a 48GB SSD express card for my laptop and I am trying to decide how best to use it. I will be running some sort of virtualization (prob VirtualBox) to test / learn Windows Server administration. I am running Windows 7 Ultimate 64 bit. I have 4GB of RAM and a 7200 RPM SATA hard disk. The express card will read at 115MB/s and write at 65MB/s. So how best to use this new disk? Readyboost, relocate pagefile, store VM disks, mix / match?

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• Receiving a notification on a Cluster Group Failover

  - by Diego

  Hi all, I have several Windows Cluster set up and I have the need of keeping track of failovers. I'd need to receive a notification of sort whenever a group fails over. I've seen some examples around, but I can't rely on the approach of just sending a message whenever the resources are stopped/restarted as it would generate too many false alarms. In few words, I need to be notified if and only if the group really fails over. I was thinking that probably the best way is monitoring the System Event Log, but, if possible, I'd prefer not having to write a script/program from scratch for this issue. Is there any script/product that already does it? Thanks.

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• Mailing list with dynamically generated addresses

  - by Joe Tomasone

  I am trying to implement a dynamic mailing list from a database that changes quite often. Conditions: Postfix is the MTA Email addresses are in a MySql Database Postfix only allows senders whose emails are in that database (via smtpd_sender_restrictions) Cron job extracts the current emails from the database nightly and puts them into an alias file, then runs postalias on it. This works well, but since the sender remains the same, many domains are rejecting the email since my server is not a DNS listed mail server for the sender's domain. So, I either have to find a way to re-write the outgoing address as "listserv@mydomain" or find some mailing list package that will use database-retrieved emails (either queried directly or in a flat file) as the subscriber list, with that list replaced daily. I've tried Sympa and am pretty much ready to give up on it - it's a nightmare to get working right - but that's the only open source listserver that I have seen that works with dynamic mail lists. Does anyone have any ideas? Thanks, Joe

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• Are there any tools for monitoring individual Apache virtual hosts in real-time?

  - by Dave Forgac

  I'm looking for a way to monitor and record Apache traffic, separated by virtual host. I am currently using Munin to capture this and other data for the entire server however I can't seem to find a way to do this by vhost. This link describes using a module called mod_watch which is apparently no longer in development: http://www.freshnet.org/wordpress/2007/03/08/monitoring-apaches-virtualhost-with-munin/ The file that is listed as being compatible with Apache 2.x is reported to have problems with missing vhosts an reporting data correctly. Does anyone know of a reliable way to determine real-time traffic per vhost? If I can find this it should be easy enough to write a new Munin plugin.

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• Open Directory authenticated bind succeeds, but creates incomplete record

  - by Jay Thompson

  I have about a dozen Macs running 10.6.7 or 10.6.8, which are all failing to bind properly to my new 10.7.4 Server OD. I can bind them just fine via Directory Utility or dsconfigldap, and it reports success. However, when I look at the record, it is failing to write the MAC address. Even if I manually update the record with the MAC address, MCX doesn't do anything and clients can't log in to OD accounts. All of the affected clients have hundreds of lines in the /Library/Logs/DirectoryService.error.log like so: 2012-09-15 22:23:18 EDT - T[0x00007FFF70292CC0] - GetMACAddress returned 0x *** bad control string *** 8x I do know that all of these clients were previously managed with the Guest computer account, and I also know that they were all imaged with a DeployStudio image when they were purchased. I've tried dscacheutil -flushcache, but after that I'm drawing a blank. Google has a few hits, but nothing very helpful. Re-imaging would be ideal but probably isn't going to happen. Anyone come across this before?

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• Suggestion: ALLFILES option for RESTORE

  - by Greg Low

  The default action when performing a backup is to append to the backup file yet the default action when restoring a backup is to restore just the first file.I constantly come across customer situations where they are puzzled that they seem to have lost data after they have completed a restore. Invariably, it's just that they haven't restored all the backups contained within a single OS file. This happens most commonly with log backups but also happens when they have not restored the most recent database backup file.It is not trivial to achieve this within simple T-SQL scripts, when the number of backup files within the OS file is unknown. It really should be.I'd like to see a FILES=ALLFILES option on the RESTORE command. For RESTORE DATABASE, it should restore the most recent database backup plus any subsequent log files. For RESTORE LOG (which is the most important missing option), it should just restore all relevant log backups that are contained.If you agree, you know what to do: please vote:  https://connect.microsoft.com/SQLServer/feedback/details/769204/option-to-restore-all-backups-files-within-a-media-setAlternately, how would you write a T-SQL command to restore all log backups within a single OS file where the number of files is unknown? Would love to hear creative solutions because all the ones that I think of are pretty messy and need dynamic SQL. 

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• Why is my Windows XP not allowing me to turn on sounds?

  - by Rookie

  This started to happen few weeks ago: Every time I start up Windows, the global sound volume is set to muted. I was able to just click the muted button to un-muted and that was fine, until now: Now I cant even click that unmute button! Every time I click the unmute button, I hear a split of a second the music I play, then it stops immediately. It is maybe 10 milliseconds until it mutes it again. In theory I could write a program to click that button continuously, but is there another solution to fix this? Or is this a broken hardware problem and Windows knows it and therefore doesn't allow me to enable sounds or my computer would break apart? Any ideas what could be causing this? A weird virus that's purpose is to piss me off? That weird this whole issue is, really, doesn't make any sense at all.

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• Would upgrading memory from 4GB to 8GB on my laptop solve swapping issues?

  - by Tom

  I have a laptop with 4GB of memory with Windows 7 on it and I often experience with Eclipse that it is swapped out to disk. On the net they usually write 4GB of RAM is more than enough for average use and aside from Eclipse+Android Emulator I don't really use other extra apps, yet Eclipse is always swapped out if I haven't used it for a while (say, 1 day) and it is annoying it to wait for it to be resurrected from swap. My question is: would an upgrade to 8GB solve the issue of swapped out applications? With 8GB would windows 7 keep everything in memory? Or it wouldn't change anything and Eclipse would be swapped out regardless of the amount of memory, because Win 7 has a habit of kicking out every application from memory which hasn't be used for a while?

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• How to configure in crontab with condition statement for checks

  - by chz

  We like to monitor the NAS storage mounted on a linux box. We only like to be notified via mail when the usage exceeds a certain number say 80. We have only seen in linux books where most of them are calling shell scripts at certain times. How do we write inside crontab to only mail us if it exceeds 80 ? Usual eg 2 2 * * * /home/someUser/script.sh 2&1 | mail [email protected] Looking for solution like below 2 2 * * * if [ someNumber "80" ] ; then /home/someUser/script.sh | mail [email protected] Sincerely

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• Thunderbird: filters don't match links

  - by Gregory MOUSSAT

  I use filters to remove some undesirable messages (in addition to the intergrated spam filter). This is great to avoid tons of boring people who want to sell me tons of boring stuff. My problem is, since years (so with every Thunderbird release I ever had, even the current one which is up to date) it is unable to filter links. For example I want to delete every messages containing a link to http://xxxxx.emv3.com/xxxxxx I never managed to remove those emails. I use a filter on the body, checking if it contains emv3 but this never match. Those emails are in HTML format, and the links are displayed as a text like "Visit our website" or so. If I write a HTML email with a link, my filter works. When this is a spam, this never works. When I save the email to a text file, I open it with notepad and I see several http://xxxxx.emv3.com/xxxx Any idea why this don't work ? And how can I do ?

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