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• Windows recovery partition with GRUB2

  - by Actorclavilis

  So I recently got a new Toshiba laptop and installed Ubuntu 12.04 on it. Since it is a "Windows 7 Enabled" machine or some other proprietary nonsense like that, a few hardware features are designed only to work with W7. Eventually I found a way to enable these hardware functions by booting into the W7 recovery disc; however, they sporadically stop working. I'm moderately surprised that I was able to get anything to work at all, so I don't especially want to spend more time fixing the problems in a different fashion. Now I don't actually own the recovery disc; it's my father's. Since it's a pain to have to go asking for the disc every time the features stop working, I made an image of the disc and was hoping to make a 'recovery' partition like some computers have. However, unetbootin and GRUB2 both want a kernel and initrd to point to on startup, and something like set root=(hd0,1) loopback lo /w7r.iso set root=(lo) chainloader +1 in the spirit of the makeactive/ chainloader +1 commands that I used to use to dual-boot Linux and Windows simply gives me a file-not-found error. My question, therefore, is: Is it possible to, having written a Windows iso to a partition (such as with dd if=w7r.iso of=/dev/sda4) to a partition, convince GRUB2 to boot from it? Thanks in advance.

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• MySQL slave server from dumps

  - by HTF

  I've created a slave server from live machine which is acting as a master now. I use the following procedure to create it: mysqldump --opt -Q -B --master-data=2 --all-databases > dump.sql then I imported this dump on the new machine, applied the "CHANGE MASTER TO..." directive with a log file/position from the dump. Please note that I have around 8000 databases and I didn't stop the master while the dumps were running. The replication works fine but is this a properly method for creating a slave server? I'm planning to promote this slave to a master (different location) so I would like to make sure that there is a 100% data consistency between the servers. I've found this article where it says: The naive approach is just to use mysqldump to export a copy of the master and load it on the slave server. This works if you only have one database. With multiple database, you'll end up with inconsistent data. Mysqldump will dump data from each database on the server in a different transaction. That means that your export will have data from a different point in time for each database. Thank you

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• Need a place to store a few bytes of meta information on storage media

  - by Jason C

  I'm working on an embedded project. I need a place to store some filesystem-independent meta information on a storage device. The device has an MSDOS partition table. The device also may have unallocated space (depending on its size) but it will be TRIMmed (and also may be blown away by new partitions in the future). I need a location on the device that is not unallocated and that has a low risk of being touched (outside of completely erasing the device). The device is only guaranteed to have an MBR at the point the meta data needs to first be written; meaning there are no EBRs/VBRs present that I could use. There are 446 bytes at the very start of the device available for MBR bootstrap code. Currently my only idea is to store data at the end of this block. However, the device is bootable and I have no way of knowing if I'd be blowing away bootstrap code or not. The sector size is 512 bytes and the MBR is the first sector, I'm pretty sure (correct me if I'm wrong) that that means the second sector is available for use by partition data, so I can't use that either. Does anybody have any ideas? I need 4 bytes of space.

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• In a Shell scripts, check version of installed package, make a decision based on output

  - by DJDarkViper

  Looking to write a cross distro / cross version shell script that makes sure a forced version of PHP is installed Example: Ubuntu 12.04 has 5.3, Ubuntu 13.10 has 5.5, Debian 7 has 5.4 I need this script, when run on a distro that has an old version of PHP, to update the repo to point to a package for 5.4, and if the distro has too new of a version, can downgrade to 5.4 appropriately. Im still not entirely comprehensive of Shell/Terminals technical limit of what you can do with it, but ill be perfectly frank that im still not totally used to existing tools The best I can think at the moment is: php -v | grep "PHP 5" but that returns a bunch of potentially changeable granular characters (PHP 5.4.4-14+deb7u5 (cli) (built: Oct 3 2013 09:24:58) ). Im not sure what to pipe to after this to extract out the characters im interested in Im not sure if im being totally clear, im not sure how to ask this.. Basically, in an automated shell script for Linux distros, how do I extract the PHP version (and just the PHP version number preferably) and make a decision based on that output EDIT This line ended up doing pretty dang good php -v | grep "PHP 5" | sed 's/.*PHP \([^-]*\).*/\1/' | cut -c 1-3 Bit long in the tooth, but gives me "5.3", "5.4", and "5.5" which is exactly what I need to work with

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• Using wildcard domains to serve images without http blocking

  - by iopener

  I read that browsers sometimes block waiting for multiple images from the same host, and I'm trying to do everything I can to speed up page load times. One caveat: I need to serve files over HTTPS. Any opinions about whether this is feasible: Setup a wildcard cert for *.domain.com. Whenever I need an image, generate an number based on a hash mod 5 of the filename, and append it to an 'img' subdomain (eg img1.domain.com, img4.domain.com, img3.domain.com, etc.); the hash will make any filename always use the same subdomain, and therefore the browser should be able to cache the images Configure a dynamic virtualhost record to point all img#. subdomains to /var/www/img I am looking for feedback about this plan. My concerns are: Will I get warnings when my page has https:// links to multiple subdomains? Is the dynamic virtualhost record I'm talking about even possible? Considering the amount of processing this would require, is it likely to even produce any kind of overall benefit? I'm probably averaging a half-dozen images per page, with only half being changed on each page refresh. Thanks in advance for you feedback.

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• CPU temperatures high on new build after gaming

  - by Reznor

  My friend had a problem with his computer a while back. His games were crashing, even within the menus. He was stumped as to what the problem was, so I posted on here requesting help. He found out the day later, when his computer would start up but wouldn't display anything on the screen. His video card must have came screwed up. So, he got a replacement. Now, there's a new problem. His temperatures, which were acceptable before, are now insanely high. His GPU temperature runs 70-80c, which is understandable considering he's running his games maxed out, but the real problem here is his processor and motherboard temperatures. All four of his cores are running at 88-90c after coming out of a game. His motherboard temperature was also 70c at one point. In terms of cooling, his case should definitely be adequate. He has an Antec Twelve Hundred. He's using stock fans. The cable management in his case is very good; better than average. He's using the stock heatsink with the processor too, but note, it was fine before the replacement, so it isn't like there's some inherent problem. He has checked the case too. Everything's fine! No cables in the way. The heatsink is seated properly. He turned his case fans up to high, as well, but the temperatures are persisting. Could the processor be overheating due to running games maxed out? Any ideas?

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• ConfigMgr 2012 - How to automatically make updates available to computers without forcing them to be installed?

  - by Massimo

  I'm using System Center Configuration Manager 2012 with the Software Update Point feature; however, in this environment patching has to be strictly manual, because server reboots need to be approved and scheduled by different people; thus, I need to use ConfigMgr's SUP like I would use a plain WSUS server with auto-approval but with manual installation. I created some Automatic Deployment Rules to automatically download and deploy critical updates, and to have an installation dealine of "as soon as possible"; but then, I've also configured those rules to not do anything when the deadline is reached, and to not perform system restarts even if needed (see image). Also, I've configured the device collection to where those rules deploy updates to not have any valid maintencance window. However, I'm experiencing quite the opposite as what I was expecting: as soon as the new updates are processed by the ADRs, they get automatically installed on all systems by the Software Center, and the computers are subsequently restarted. Why is this happening? Am I getting something wrong or is just ConfigMgr 2012 not behaving like it should?

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• Execute encrypted files but don't let anybody read them.

  - by Stebi

  I want to provide a virtual machine image with an installed web application. The user should be able to boot the vm (don't login, just boot) and a webserver should start automatically. The point is I want to hide the (ruby) source code of the web application from everyone as there is no obfuscator for ruby. I thought I could use file system encryption to encrypt the directory with the sourcecode (or even a whole partition). But the webserver user must be able to read it automatically after booting. Nobody is allowed to login as the webserver user (or any other user) so no other can read the contents. My questions are now: Is this possible? Because I give away the whole vm everybody could mount its virtual discs and read them (except the encrypted one). Is it now possible to find the key the webserver user needs to decrypt the files and decrypt them manually? Or is it safe to give such a vm away? The problem is that everything needed to decrypt must be included somewhere in the vm else the webserver cannot start automatically. Maybe I'm completely wrong and you have another tip for me securing the source code.

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• Terratec Cinergy Hybrid T USB XS is not recognized anymore on Mac OS X

  - by Gabble

  I have used Terratec Cinergy Hybrid T USB XS for years now, alongside with Elgato EyeTV software. I am a happy and completely satisfied user! Since a couple of weeks the USB sitck stopped working on my MacPro1,1 (OS version 10.6.3): EyeTV does not see any device attached, and actually, the green led on the stick stays off. It is not a USB port fault: I have unplugged any other USB/Firewire device and tried with different USB ports, to no avail (any other USB devices work as expected on any port) I have completely uninstalled EyeTV software, including preferences and system daemons/extensions, rebooted and reinstalled the latest EyeTV. No way. Reset the PRAM. Nope. Checked the Apple System Profiler - USB: No device attached, The MacPro does not see it at all. I need to say that: a) The device worked as a charm even with the latest OS 10.6.x (so it's not a OS upgrade cause). b) I have plugged the Terratec Cinergy Hybrid T USB XS to my MacBook5,1 where EyeTV is not installed and was never installed: The green led on the stick turns on, the growl bubble pops up, and the device is perfectly recognized by the system. Apple System Profiler says (sorry, Italian language): Cinergy Hybrid T USB XS (2882): ID prodotto: 0x005e ID fornitore: 0x0ccd Versione: 1.10 Numero di serie: 061102005755 Velocità: Fino a 12 Mb/sec Produttore: TerraTec Electronic GmbH ID posizione: 0x04100000 Corrente disponibile (mA): 500 Corrente necessaria (mA): 500 At this point I am pretty sure the Terratec stick is not damaged and there is something wrong with my MacPro. I kindly ask you: Is there a way to force my MacPro recognize the USB device? What can I check? Is there something that caches USB connection that can be reset? A OS reinstall would be the very last resort for me. Thanks in advance for any help you will offer!

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• Installing Ubuntu guest crashes Hyper-V host

  - by Grant

  I have a weird problem that I don't even know where to begin diagnosing. Trying to install Ubuntu to a VM locks up the host system! My setup is: Dell R715 server, dual 16 core AMD opteron processors, 96GB RAM Dell MD3600f SAN Server 2008 R2 Datacenter System Center VMM 2012 There are 5 windows virtual machines running that have had no problems. This is the first linux VM I've tried to create. I setup a VM through virtual machine manager, set the CD drive to a Ubuntu 12.04 server x64 iso, and started it up. It boots up the normal ubuntu install menu, but the second I hit enter on "Install Ubuntu Server", I get disconnected. The HOST machine stops responding to pings. So do all virtual machines on it. It locks up entirely - keyboard on the host won't work, mouse won't move, numlock light won't change. There's no blue screen - the host is sitting at the login screen completely unresponsive. I can't find any relevant logs in event viewer after rebooting. What could cause the host machine to freeze like that? It's not a one time occurrence - it happens every time at the exact same point. Thank god this server isn't in production yet!

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• Can MySQL use multiple data directories on different physical storage devices

  - by sirlark

  I am running MySQL with its data dir on a 128Gb SSD. I am dealing with large datasets (~20Gb) that are loaded and processed weekly, each stored in a separate DB for the purposes of time point comparisons. Putting all the data into a single database in unfeasible because the performance on such large databases is already a problem. However, I cannot keep more than 6 datasets on the SSD at a time. Right now I am manually dumping the oldest to much larger 2Tb spinning disk every week, and dropping the database to make space for the new one. But if I need one of the 'archived' databases (a semi regular occurrence) I have to drop a current one (after dumping), reload it, do what I need to, then reverse the results. Is there a way to configure MySQL to use multiple data directories, say one on the SSD and one on the 2Tb spinning disk, and 'merge' them transparently? If I could do this, then archiving would no longer mean "moved out of the database entirely", but instead would mean "moved onto the slow physical device". The time taken to do my queries on a spinning disk would be less than that taken to completely dump, drop, load, drop, reload two entire databases, so this is a win. I thought of using something like unionfs but I can't think of a way to control which database gets stored on which physical drive, because it works by merging on a directory level (from what I understand) so I'm still stuck with using multiple directories. Any help appreciated, thanks in advance

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• Remove directory from URL IIS 7.5

  - by xalx

  I've tried to find a solution to this and found some guides out there but none seem to work. I have the following URL - http://www.mysite.com/aboutus.html However there are some other sites which link to my old hosted site and point to http://www.mysite.com/nw/aboutus.html. My issue here is trying to remove the 'nw' directory from the URL's. I have setup the following URL Rewrite in IIS but it does not seem to do anything, <?xml version="1.0" encoding="UTF-8"?> <configuration> <system.webServer> <rewrite> <rules> <rule name="Redirect all to root folder" enabled="true" stopProcessing="true"> <match url="^nw$|^/nw/(.*)$" /> <conditions> </conditions> <action type="Redirect" url="nw/{R:1}" /> </rule> <rule name="RewriteToFile"> <match url="^(?!nw/)(.*)" /> <conditions> <add input="{REQUEST_FILENAME}" matchType="IsFile" negate="true" /> <add input="{REQUEST_FILENAME}" matchType="IsDirectory" negate="true" /> </conditions> <action type="Rewrite" url="/{R:1}" /> </rule> </rules> </rewrite> </system.webServer> </configuration> Any insight would be appreciated.

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• CIFS Mounting Permissions

  - by malco

  I have an issue that I;m going round in circles with, I hope you can help. The Set up: Server 1 (CIFS Client) - CentOS 6.3 AD integrated uing Samba/Winbind & idmap_ad Server 2 (CIFS Server) - CentOS 6.3 AD integrated uing Samba/Winbind & idmap_ad All users (apart from root) are AD authenticated and this, including groups, etc works happily. What's working: I have created a share on Server 2: [share2] path = /srv/samba/share2 writeable = yes Permissions on the share: drwxrwx---. 2 root domain users 4096 Oct 12 09:21 share2 I can log into a Windows machine as user5 (member of domain users) and everything works as it should, for example: If I create a file it shows the correct permissions and attributes on both the MS and the Linux sides. Where I Fall Down: I mount the share on Server 1 using: # mount //server2/share2 /mnt/share2/ -o username=cifsmount,password=blah,domain=blah Or using fstab: //server2/share2 /mnt/share2 cifs credentials=/blah/.creds 0 0 This mounts fine, but.... If I log su, or log onto server 1 as a normal user (say user5) and try to create a file I get: #touch test touch test touch: cannot touch `test': Permission denied Then if I check the folder the file was created but as the cifsmount user: -rw-r--r--. 1 cifsmount domain users 0 Oct 12 09:21 test I can rename, delete, move or copy stuff around as user5, I just can't create anything, what am I doing wrong? I'm guessing it's something to do with the mount action as when I log onto server2 as user5 and access the folder locally it all works as it should. Can anyone point me in the right direction?

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• How to setup a hyper-v domain with internet access

  - by fynnbob

  First off let me say that I'm not a network admin or server guy, I know very little about that stuff. What I'm trying to do is setup a virtualized domain using hyper-V. Here is the configuration: Physical Server: 4Mb RAM Windows Server 2008 R2 running Hyper-V Virtual Environment: One Domain Controller running Windows Server 2008 R2 One Client running Windows Server 2008 R2 I have been successful in setting up a virtual domain controller and adding a virtual client to that domain controller but I'm stuck at trying to give the virtual Environment Internet access. I can give the client VM Internet access if I remove them from the virtual domain but once I add them back to the virtual domain, Internet access is gone. I've read articles describing many different ways this can be done (using RRAS with NAT, using a wireless connection, etc...) but all of those articles only cover a small piece of the setup and also seem to be geared towards people who know there way around networking and servers which I don't. I'd like to know more but my thing is software development and I have my hands full trying to keep up with everything in that realm. I simply want to setup a virtual domain with Internet access for testing. Can anyone point me to any "for Dummy's" type information on how to setup this type of environment or can anyone provide this kind of step-by-step help. Any help would be very much appreciated.

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• Things to check for an internet-facing email server.

  - by Shtééf

  I'm faced with the task of setting up a public-internet-facing email server, that will be relaying mail for all of our other servers in the network. While the software in itself is set up in few keystrokes, what little experience I have with managing an email server has thought me that there are tons of awkward filtering techniques employed by other email systems. Systems that my own server will inevitably interact with a some point. Hence, my questions: What things should be kept in mind and double checked when setting up an email server? What resources are available for checking if my email server is set-up correctly? I'm specifically NOT looking for instructions for any given mail server, such as Exchange or Postfix. But it's okay to say: “you should have X and Y in your set-up, because when talking to server software Z, it typically tries to weed out open relays by checking for these.” Some things I've discovered myself: Make sure forward and reverse DNS are set up. Mail servers tend to do a reverse lookup for the peer IP-address when receiving. Matching a reverse look up with a follow-up forward lookup is probably employed to weed out open relays run through malware on home networks. Make sure the user in the From-address exists. The From-address is easily spoofed. A receiving mail server may try to contact the mail server in the From-domain, and see if the From-user actually exists.

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• How can I get Pinch to Zoom back in Desktop mode?

  - by Ben Brocka

  Windows 7 had an old implimentation of Pinch to Zoom where bringing your fingers apart/together would act similar to ctrl + +/-, the standard zoom. It's not as nice as granular zoom (like iOS/Android use) but it worked. Most notably it doesn't work in Chrome (did before) but I haven't noticed it working in any other apps. In windows 8 desktop mode, pinch to zoom doesn't seem to work at all. It doesn't even work in One Note 2010, which, if I recall correctly, had granular zoom in Windows 7. I have an (older) 2 touch point multi-touch monitor, and I can see the visual feedback that the two touch points and coming closer/farther apart, but it doesn't zoom. Note I'm using the touchscreen, not a touchpad or the Arch mouse or other peripherals. Can I enable this somehow or is it gone from Desktop mode? It works fine in Metro apps. Additionally I get weird visual feedback when placing my second finger on the screen; a shrinking transparent square appears somewhere between the two fingers, visually similar to the Right Click visual queue when long-pressing. It's not a right click though, I can't tell what, if anything, it's doing.

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• Site Goes Offline Every Day At Midnight - No One Knows Why

  - by HollerTrain

  0 down vote favorite Seems today a website I manage has been going online and offline between 12a and 12:25a. I have no idea what is causing the issue so I am seeking guidance on where to start. It is a Wordpress based site. So here is what I DO know: I have a pingdom account which alerts me when the site goes offline so we can see every day, like clockwork, the site goes on/off. At the time of the ups/downs I see a lot of strain on the memory usage. Look at the load average when the site is going online/offline (http://screencast.com/t/BRlfXkqrbJII). Then I ran this command to restart http (http://screencast.com/t/usVtYWZ2Qi) and the memory usage then goes down to this (http://screencast.com/t/VdTIy3bgZiQB). An hour after I restarted http, the site then went offline/online so restarting the http didn't do much help. When the site is going offline/online, I ran the top command and get this (http://screencast.com/t/zEwr7YQj3). Here is a top command when the site is at it's lowest (http://screencast.com/t/eaMfha9lbT - so this would be dubbged "normal"). Here is a bandwidth report (http://screencast.com/t/AS0h2CH1Gypq). The traffic doesn't seem to be that much (http://screencast.com/t/s7hrWNNic1K), but looking at my times the site is going up/down this may be one of the reasons? I have the dvp Nitro package at Media Temple (http://mediatemple.net/webhosting/nitro/). So at this point I would request some help in trying to figure out what the cause of this is, and how I can go about pinpointing this issue. ANY HELP is greatly appreciated.

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• Set up Linux box as WAP for MyBookLive?

  - by AcidFlask

  I inherited an old Linux box as well as a MyBookLive and would like to make the MyBookLive available over my wireless, essentially using the Linux box as a wireless access point. I just wiped the Linux box (home) and installed Ubuntu 12.04 on it. My network setup currently looks like this: (192.168.0.1 netmask 255.255.255.0) ISP --- wireless router --- wlan0 on home (192.168.0.12) | eth0 on home --- MyBookLive MacBook (192.168.0.11) so that the MyBookLive is basically a glorified external hard drive. The router does have an Ethernet port, but it is being used by my roommate's computer so I can't plug the MyBookLive directly into it. Right now I can ping MyBookLive.local and MacBook.local from home, but I am having trouble understanding and figuring out what the correct iptables commands are to make my MacBook see my MyBookLive through the Bonjour network. Also, I'm not sure if I need to set up DNS to forward xxx.local Bonjour/Zeroconf addresses. I tried the following to forward my entire wired network (which has only my MyBookLive) to a single IP address: sysctl net.ipv4.ip_forward=1 iptables -A FORWARD -i wlan0 -o eth0 -j ACCEPT iptables -A FORWARD -i eth0 -o wlan0 -j ACCEPT iptables -t nat -A PREROUTING -i eth0 -p tcp -j DNAT --to 192.168.0.66 iptables -t nat -A PREROUTING -i eth0 -p udp -j DNAT --to 192.168.0.66 but I can't ping this address from my MacBook. This is probably horribly wrong, but I am a complete noob at setting up this kind of network and could use some expert help with setting this up properly.

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• Multiple servers vs 1 big server performace

  - by pistacchio

  Hi to all! My team of developers has suggested a server structure for an upcoming project we are developing. Our structure is "logical", meaning that the various logical components of the application (it is a distributed one) relies on different servers. Some components are more critical than others and will be subjected to more load. Our proposal was to have 1 server per component but the hardware guys suggested to replace the various machines with a single, bigger one with virtual servers. They're gonna use Blade Servers. Now, I'm not an expert at all, but my question to the guys was: so if we need, for example, 3 2GHz CPU / 2GB RAM machines and you give me 1 machine with 3 2GHz CPUs and 6 GB of RAM it is the same? They told me it is. Is this accurate? What are the advantages or disadvantages of both the solutions? What are the generally accepted best practices? Could you point out some URL reference dealing with the problem? Thank you in advance! EDIT: Some more info. The (internet / intranet) application is already layered. We have some servers on the DMZ that will expose pages to the internet and the databases are on their own machines. What we want to split (and they want to join) are some webservers that mainly expose webservices. One is a DAL that communicates with the database layer, one is our Single Sign On / User Profile application that gets called once per page and one is a clone of what seen on the Internet to be used on our lan.

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• Certificate revocation check fails for non-domain guest in spite of accessible CRL

  - by 0xFE

  When we try to use certificates on computers that are not part of the domain, Windows complains that The revocation function was unable to check revocation because the revocation server was offline. However, if I manually open the certificate and check the CRL Distribution Point property, I see an ldap:/// URL and an http:// URL that points to externally-accessible IIS site that hosts the CRLs. Of course, the non-domain-joined client cannot access the ldap:/// URL, but it can download the CRL from the http:// link (at least in a browser). I enabled CAPI logging and I see the event that corresponds to this failed revocation check. The RevocationInfo section is: RevocationInfo [ freshnessTime] PT11H27M4S RevocationResult The revocation function was unable to check revocation because the revocation server was offline. [ value] 80092013 CertificateRevocationList [ location] UrlCache [ url] http://the correct URL [fileRef] 6E463C2583E17C63EF9EAC4EFBF2AEAFA04794EB.crl [issuerName] the name of the CA Furthermore, I can see the HTTP request to the correct URL and the server's response (HTTP 304 Not Modified) with Microsoft Network Monitor. I ran certutil -verify -urlfetch, and it seems to show the same thing: the computer recognizes both URLs, tries both, and even though the http:// link succeeds, returns the same error. Is there a way to have non-domain-joined clients skip the ldap:/// link and only check the http:// one? Edit: The ldap:/// URL is ldap:///CN=<name of CA>,CN=<name of server that is running the CA>,CN=CDP,CN=Public Key Services,CN=Services,CN=Configuration,DC=<domain name>?certificateRevocationList?base?objectClass=cRLDistributionPoint The non-domain-joined clients may be on the domain network or on an external network. The http:// CDP is accessible from the public internet.

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• very slow internet with Linksys WRT54GL only in wireless mode (wired is OK)

  - by gojira

  I bought a new Cisco Linksys WRT54GL router to connect my laptop (running Windows 7) to the internet. I installed Tomato 1.28 firmware on the router. When I connect the laptop to the router via ethernet cable, everything is fine and I get extremely fast up- and download speeds. When I connect wirelesssly however, websites load extremely slow - it takes dozens of seconds to load a website! <-- This is my question, how can I fix the wireless speed issue? Gmail for example is unusable this way. I tried speedtest.net, but this always fails in the upload part of the test so I can't even test the bandwidth (could the fact that it fails in the upload part, not the download part, be an indication what the problem is?!). I have isolated the problem a bit, I am convinced it has to do either with the router itself, the router settings, or the settings of the wireless connection in Win 7. Because previously, I was using another router by Buffalo and I had no problems whatsoever. I have tried to reproduce the settings from the Bufallo router as closely as possible on the Linksys router (same channel, same encryption etc). The download speed problem only occurs with the Linksys router, and only in wireless mode! When I exchange the Linksys router with the Buffalo router I have here for testing, the wireless speed is up to normal again. Also, before I had installed the Tomato firmware I had exactly the same problem, so it has nothing to do with the firmware itself. Notes & things I already tried: Changing the channel: does not seem to affect anything, I am also on the same channel (10) which I was previously on when I had a Buffalo router. QoS is off. Ping to the router itself is OK, ~ 1 ms. Some current settings of the linksys router: WAN / Internet Type: DHCP Wirelesss Mode: Access Point B/G Mode: Mixed Broadcast: check Channel: 10 - 2.457 GHz Security: WPA2 Personal Encryption: AES

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• Problem with running a script at startup as root?

  - by Usman Ajmal

  Hi The main question: Is there a way I can run 'completely' one of my script when ubuntu's desktop appears no matter if root , administrator, desktop user or an unprivileged user logged in? What does the script do? The script mounts a partition, looks for a file in that partition and finally on the basis of that file a decision of copying a partition to another partition is made. That copying is done via dd if=/dev/sda2 of=/dev/sda5 When does the script run finely? Script runs smoothly when I run it from the terminal by sudo ./my_copying_script This command asks me for the password of currently logged in user. I enter the password and the script starts working. When does the script NOT run finely? I want to run the script at startup. I set it a startup program by using the Startup Applications utility of Ubuntu. Script ran at startup but exited at the dd command returing following error: dd: opening '/dev/sda2': Permission denied On edk's suggestion I set the owner of my_copying_script as root and set the SUID. Now the permissions of my_copying_script are (-rwsr-sr-x). edk's point of view was that once I set the suid, the startup program will run with the permissions of its owner. I did that but the same /dev/sda2 permission denied error came up. I then prefixed the dd with sudo as mentioned below sudo dd if=/dev/sda2 of=/dev/sda5 but this returned following error: sudo: no tty present and no askpass program specified In other words the mounting failed. If I run the script using sudo ./myProgram i don't face this problem and the drive gets mounted successfully.

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• How to migrate Outlook Express mail rules?

  - by ronwest

  I have a home computer that only had a 15Gb C: drive, and ran out of space with all the Microsoft Updates, etc, that keep coming down. So I fitted a 160Gb drive as a C: drive and altered the drive jumpers to make the old C: drive into a slave D: drive, to save migrating documents, etc. I've installed a clean copy of Windows XP SP3 and reassigned the new Outlook Express' mailstore path to point to the old mailstore folder that now has a D: drive letter - and it all works OK. However, my extensive list of mail rules have not been transferred to the new OE and I have not been able to identify how they are stored. To find it I added a new rule to the new OE, exited OE, then searched on the whole computer (including hidden/system files) for files altered around the time I added the rule. I hoped I could just overwrite a new empty file with an old one. But the only files that seem to be changed are Windows system-level files and some bits and pieces in the Windows\PreFetch sub-folder. None of them can be opened as XP has them locked, and none of them have names that are anything to do with email or rules. Does anyone know of any way of migrating OE rules, or do I have to re-enter them by hand? Thanks!

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• few basic questions on webhosting (namservers & dns records)

  - by claws

  I bought a domain name on name.com & I want to use free webhosting on 110mb.com By default name.com integrates services of Google apps. Name server entries are ns1.name.com ns2.name.com ns3.name.com ns4.name.com When I registered on 110mb.com it gave me two addresses ns1.110mb.com ns2.110mb.com This is where I'm lost. The concept is that "Domain name should point to an address of the server where the website is hosted" right? Then why are these 4 entires by default. How exactly is it working? should I remove these 4 and then add 110mb.com servers or just append 110mb.com server addresses to name.com ones. I would like to use google apps. If I change these name server addresses would that remove google apps? I especially want to use email service of google. And I really don't understand what is CNAME, MX, or something something. I want to learn about these stuff & how it exactly works. When I search for webhost tutorial. I'm unable to find any fruitful results.

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• Postgres pgpass windows - not working

  - by Scott

  DB: Postgres 9.0 Client: Windows 7 Server Windows 2008, 64bit I'm trying to connect remotely to a postgres instance for purposes of performing a pg_dump to my local machine. Everything works from my client machine, except that I need to provide a password at the password prompt, and I'd ultimately like to batch this with a script. I've followed the instructions here: http://www.postgresql.org/docs/current/static/libpq-pgpass.html but it's not working. To recap, I've created a file on the client (and tried the server as well): C:/Users/postgres/AppData/postgresql/pgpass.conf, where postgresql is the db user. The file has one line with the following data: *:5432:*postgres:[mypassword] (also tried explicit ip/dbname values, all asterisks, and every combination in between. (I've also tried replacing each '*' with [localhost|myip] and [mydatabasename] respectively. From my client machine, I connect using: pg_dump -h [myip] -U postgres -w [mydbname] [mylocaldumpfile] I'm presuming that I need to provide the '-w' switch in order to ignore password prompt, at which point it should look in the AppData directory on the server. It just comes back with "connection to database failed: fe_sendauth: no password supplied. Any insights are appreciated. As a hack workaround, if there was a way I could tell the windows batch file on my client machine to inject the password at the postgres prompt, that would work as well. Thanks.

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