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• Sendmail Alias for Nonlocal Email Account

  - by Mark Roddy

  I admin a server which is running a number of web applications for a software dev team (source control, bug tracking, etc). The server has sendmail running solely as a transport to the departmental email server over which I have no control. We have someone who is still in the department but no longer on the dev team so I need to configure the transport agent to redirect all outgoing email (which would be coming from these applications) to the person that has taken their place. I added an entry in /etc/aliases like such: [email protected]: [email protected] But when I run /etc/init.d/sendmail newaliases I get the following error: /etc/mail/aliases: line 32: [email protected]... cannot alias non-local names So clearly I'm doing something I shouldn't. Is there a way to get aliases to work with non-local names or alternatively is their a way to accomplish my goal of redirecting outgoing mail for this user to another one? Technical Specs if the matter: Ubuntu 6.06 sendmail 8.13 (ubuntu provided package)

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• Windows Server 2008 R2 backup includes volume with MSSQL data

  - by J F

  I'm using wbadmin to schedule image backup every night on a Windows Server 2008 R2 Standard server. Ever since installing MS-SQL 2008 Express R2, wbadmin wants to also backup the volume where the MS-SQL data files are located (L:). I'm using -allCritical to make sure bare metal restore will work. command-line: wbadmin start backup -backupTarget:\\myserver\backup$\myserver\%DATE% -include:C: -allCritical -quiet I don't want to do this, because I'm backing up MS-SQL manually elsewhere. It worked just fine only taking C: before I installed MS-SQL.

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• how to prevent log output from PostgreSQL stored procedure ?

  - by ssc

  I am running a number of PostgreSQL scripts that used to produce excessive log output. I managed to reduce most of the output to an acceptable amount by passing --quiet as parameter to the psql command line client and adding SET client_min_messages='warning'; to the beginning of my SQL scripts. This works fine for most basic statements like SELECT, INSERT, UPDATE, etc.) However, when I call a stored function in a script using e.g. SELECT my_func(my_args);, there is still log output similar to my_func (omitted a long with many '-' here because SF thinks that's a headline) (1 row) The output is useless; it only makes me having to scroll back up a long way after the script has run and also makes it much harder than necessary to spot any relevant error output. How can I get rid of it ?

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• How do I tell if my firewire connection is running as 400 or 800?

  - by Tom

  I have a MacBook Pro with FireWire 800 and a freecom external harddrive that has USB3, FireWire 400 and 800. I am using a Nikkai FireWire 800 cable that has 800 connector on one end and a 400 connector on the other end. The 800 connector is attached to the MacBook pro and the 400 connector is attached to the freecom drive. Is there any way to tell what connection has been established? I looked at disk utility and it simply said 'FireWire'. Is there a command-line tool that would give more information? If it's 400, I plan to swap the cable for 800 connector at both ends.

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• What is the simplest way to confirm or to disprove that Virtual Box virtual machines support GRE protocol

  - by mbaitoff

  It is stated in VirtualBox manual (chapter 6) that VM network interfaces in "NAT" mode do not support GRE protocol. I'm currently trying to setup a pair of VMs as pptp server and client which would communicate via VM's network interfaces in "INTERNAL NETWORK" mode. I set up modern Linux OSes with pptp software on both machines and made some basic pptp configuration. However, I fail to connect the client to the server - server reports a failure when writing to GRE socket. I now need a quick proof of principal ability to use the GRE protocol between VirtualBox VMs over a network in "INTERNAL" mode, such as a several-line .c program that would try to open/send/receive/close a GRE protocol connection, or like a specific lightweight tool to diagnose the GRE availability. Any suggestions?

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• Free Markdown JS viewer

  - by maaartinus

  I'd like to use Markdown for documents to be exchanged with a colleague of mine. The ideal workflow would be IMHO editing the source in any plaintext editor while simultaneously viewing it in a browser. The client viewer should be able to redraw the text after each save automatically, and ideally even always switch to the most recent source file (so I don't need to navigate there manually). It'd be nice if I could (was allowed) modify the viewer a bit, things like using trailing spaces for line breaks are really terrible (I don't see them, my editor strips them, git complains about them, etc.). I'm interested in a software capable of this and easy to modify, and also in your opinions on the described workflow.

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• Problems executing check_mysql plugin

  - by Brian

  I'm attempting to test out the check_mysql plugin for Nagios using the command line. It works great when I'm just checking localhost but when I try to specify a different server (using the -H argument) I keep getting the following error message: CRITICAL - Unable to connect to mysql://nagios_user@{remoteServerHostname}/ - Access denied for user 'nagios_user'@'{localServerHostName}' (using password: YES) It looks like it's trying to connect to the database using the localhost server even though I've specified a different host name. I've already set up this user on the remote database and they have correct permissions. I'm just trying to figure out why the script keeps inserting the localhost server name instead of the remote one.

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• Missing disk space in Windows XP

  - by Jørn Schou-Rode

  On my mother's Lenovo laptop, Windows XP claims that the hard drive is almost full. According to the properties window, 52.7 out of 55.2 GB is in use: By deleting temp files from Internet Explorer, System Restore, Recycle bin, Windows Update, System Cleanup, I managed to free up about one GB. That's still 50 GB in use, which still is a lot more than I expected. Hence, I gave good old WinDirStat a spin, and here's the output: It might be hard to read here, but the first line says that the total amount of disk space in use on drive C is 24.3 GB. So Windows claims usage of 52.7 GB and WinDirStat can only account for 24.3 GB. Where is the other half of that disk space being used? I hope someone has an answer, or some tricks or tips to do further research. UPDATE: The laptop in question has an SSD hard drive. I am aware that these disk (at least the earlier ones) have a limited life-time. Could the symptoms described be caused by wear and tear on the SSD?

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• Difficulty racking HP ProLiant Gen8 servers

  - by Systemspoet

  We're an all Proliant shop with around 50 servers, mostly DL360s and DL380, from G5's through G7's. We just got our first two G8's in and went to rack them. We were stunned to find out that the new cable management arms protrude almost 1 inch deeper into the rack then previous iterations of the Proliant line. Unfortunately that causes them to occupy the same space as the PDU's in our APC racks. In a non-densely populated section of rack that's no biggie, but in a densely populated section it's impossible to get the cable arm into place without dislodging another machine's power. Has anyone else run into this? Obviously racking machines without cable management arms is not an option. I supposed we could reconfigure our racks but that's a nightmare.

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• Solaris 11.1 smb share pam.conf

  - by websta

  I would like to enable an SMB share on Solaris 11.1 x64 My steps: pkg install service/filesystem/smb svcadm enable -r smb/server echo "other password required pam_smb_passwd.so.1 nowarn" >> /etc/pam.conf useradd public smbadm enable-user public zfs set share=name=fs1,path=/rpool/fs1,prot=smb rpool/fs1 zfs set sharesmb=on rpool/fs1 passwd -r files public Step 8 failes: It is not possible to enter a password, output is: solaris passwd -r files public Please try again Please try again Permission denied If I uncomment the new line in pam.conf, it is possible to change the password. Nevertheless, it is not possible to access the share from Windows 7. The Solaris machine is reachable with ping. Access with another SMB enabled user is denied too.

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• Trouble configuring sendmail to relay mail

  - by Warren Schubert

  I am trying to configure sendmail and ufw on an ubuntu server (ServerA) so that another server (ServerB) can send mail through it. In my /etc/mail/access file I have the following line (a.b.c.d is the IP of ServerB): Connect:a.b.c.d RELAY My ufw status shows the following rule I added: 25/tcp ALLOW a.b.c.d When I telnet from ServerA I get through: telnet localhost 25 When I telnet from ServerB I don't (w.x.y.z is the IP of ServerA): telnet w.x.y.z 25 telnet: Unable to connect to remote host: Connection refused I did restart the sendmail daemon after editing the access file. What could I be missing? Something in sendmail.mc? Edit: netstat -an|grep -w 25 tcp 0 0 127.0.0.1:25 0.0.0.0:* LISTEN

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• WesternDigital SmartWare - still problematic?

  - by FrustratedWithFormsDesigner

  I've seen a lot of bad press on WD SmartWare (I think it comes on most WD backup devices now, such as their MyBook product line), mostly related to how it's impossible to remove properly or replace. There are allegations (I couldn't tell how true they were) that it has/is a rootkit, as well. Most of the articles are a couple of years old, so I'm wondering if SmartWare is still just as problematic as it was. Does it still have a nasty rootkit reputation and should I just stick with the Windows 7 built-in backup system, or is the current SmartWare generation improved and better behaved?

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• Why is Nginx ignoring the access_log directive when post_action is specified?

  - by Chris

  Hi, in the location below nginx writes a custom download log. Everything works fine except when there is a post_action directive. I seems that nginx skips the access_log directive. Here is the config: location /download_intern/ { internal; if ($uri ~* ^/download_intern/([0-9]+)/) { set $transferID $1; set $server $arg_ip; set $url $arg_url; proxy_pass http://$server:80/$url; break; } log_format download '$remote_addr [$time_local] $upstream_cache_status "$scheme://$host$request_uri" $status [$transferID] $body_bytes_sent'; access_log /opt/nginx/logs/server.download_log download; # without this line the download log file is being written post_action /done; } location /done { internal; # log the transfer on the main server proxy_pass http://xxx.xxx.xxx.xxx:80/download_end/?tid=$transferID; }

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• Set custom mount point and mount options for USB stick

  - by kayahr

  Hello, I have an USB stick which contains private stuff like the SSH key. I want to mount this stick to my own home directory with 0700 permissions. Currently I do this with this line in /etc/fstab: LABEL=KAYSTICK /home/k/.kaystick auto rw,user,noauto,umask=077,fmask=177 0 0 This works great but there is one minor problem: In Nautilus (The Gnome file manager) the mount point ".kaystick" is displayed. I guess Nautilus simply scans the /etc/fstab file and displays everything it finds there. This mount point is pretty useless because it can't be clicked when the device is not present and it can't be clicked when the device is present (Because then it is already mounted). I know this is a really minor problem because I could simply ignore it but I'm a perfectionist and so I want to get rid of this useless mount point in Nautilus. Is there another way to customize the mount point and mount options for a specific USB device? Maybe it can be configured in udev? If yes, how?

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• How to query a DHCP server to get the local DNS servers

  - by Dan Berlyoung

  I have a ClarkConnect (CentOS based) box running as my home router on a RR connection. I had the DNS servers set up to use Google's DNS server. I want to change them back to the local DNS servers but I can't find an obvious/easy way to get those address short of a) reconfiguring the router's network to DHCP them (would rather not interrupt everyone) or b) calling their tech support (kill me now!). Is there a command line tool/command I can use to query the DHCP server on the external NIC to see what DNS servers it would set me up with w/o munging my existing setup?

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• ISPs with good upload speeds? [closed]

  - by Josh Comley

  I am a web developer, and I spend most of my time not waiting for downloads but waiting for my latest build of a website to publish to a test site. I use the excellent BeyondCompare to ensure I only upload what I need to upload. But still, if a 2MB C# DLL has changed, so be it. And I must wait. At work we host our own servers and have a dedicated line, so for 8.5 hours of my day I have blistering upload speeds across the web, which is nice. At home however, it's a different story. I am with Virgin Media on their XL internet package (I think). I think that means I get 256Kb upload and 20Mb download. So I have began to wonder - are there any ISPs in the UK with good upload speeds? If you know of any for other countries, do post for other's sake, but please specify which country your post is relevant to.

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• Calculating RAM Performance? Example: DDR3-2133 CL9-11-10-28 1.65V vs DDR3-1600 CL10-10-10-30 1.5V

  - by user1131467

  How do you calculate the relative performance of PC RAM? For example, what is the relative performance of the following: G.Skill Ripjaws Z 8 x 4GB Kit, DDR3-2133, [email protected] G.Skill Ripjaws Z 4 x 8GB Kit, DDR3-1600, [email protected] If it's relevant, when they are used in a top of the line ASUS Rampage IV Extreme motherboard and Intel i7 3960X? By performance, I mean relative: read latency write latency read bandwidth write bandwidth Please include working. (I mean how did you arrive at the figures based on timing and DDR3-speed)

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• Mac OS X 10.6.5 and link-local addresses (169.254.x.x)

  - by WMR

  Starting with the latest update of Mac OS X (10.6.5) all Apple applications (Safari, Mail, iChat, etc.) don't connect to the internet anymore, if the assigned IP address is from the 169.254.0.0./16 range. This is not a routing problem, I can still ping any server I want, even connecting via command line tools works. I know this problem could easily be fixed by changing the IP address to a more common RFC1918 address (e.g. 192.168.0.0./16), but this is what the ISP assigns via DHCP and I am not sure I can convince them (Xplornet) to change that. So I am wondering if there's a (hidden?) setting that would convince Apple applications, that they are in fact still online.

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• Enable live streaming on website

  - by Somebody

  I have a server colocated in a datacentre (dedicated 1Gbit line, SSDs, etc.) running CentOS 5.4 64-bit. I want to stream live video from a device (webcam, camcorder, whatever.) to my server which inturn can re-broadcast it on demand through a flash player (such as Flowplayer) so that more users will be able to watch the stream since the server is quite fast. Does a solution like this exist already (streaming software from live source to flash media server) or will I need to hire someone to code it? I see that VLC has an option to stream video.. will that be suitable in this case? Or is there a better way to do it? I don't want a browser based solution on my end. It'll be great if this can be done without running an X server but I don't mind either way. This will be running on a dedicated PC at home.

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• Win 2008 Server & IIS7: ASP installed but displays 'FILE DOWNLOAD - SECURITY WARNING"

  - by AzC

  Hi Dudes, Installed Win 2008 server and IIS7. Enabled ASP Classic and ASP.NET on it. Can't get any ASP scripts to run e.g. desperate.asp containing following line: <% Response.Write "Hello Love, Fancy a Date?" % It just comes up with a "FILE DOWNLOAD - SECURITY WARNING" panel asking em to download. When I select anything it keeps looping. Found lots fo stuff on internet but nothing working. Also same for other ASP scripts HTML works no problem e.g. a file called reply.html containing: Get lost little boy. We only serve French Fries in Macdonalds Any ideas?

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• win2008 R2 server core software RAID

  - by shimonyk

  I am trying to set up software raid on a win2008 R2 server core. I have the disks configured as dynamic. In the server manager gui, i can see the disks, but when i right click, the option to set up "new mirrored volume" is not listed. I tried it with the command line using diskpart, and it gives the error "Virtual Disk Service Error: The size of the extent is less than the minimum." The drive are a new pair of 1Tb disks. Is this not supported in server core, or am i missing something else? Thank you

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• Password for iis after installing

  - by zapping

  After installing IIS on my dev system, window xp professional, its asking for username and password while trying to access http://localhost. Can you please help me out. Tried googling and tried may things but could not resolve the issue. Anonymous access is enabled iusr_ is given full access to the wwwroot folder asp.net2.0 has been registered etc. But still not working. :( EDIT: Now the password issue has gone off and shows this: Error Type: Microsoft VBScript runtime (0x800A0046) Permission denied: 'GetObject' /localstart.asp, line 40 Browser Type: Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 5.1; Trident/4.0; Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1) ; .NET CLR 2.0.50727; .NET CLR 3.0.4506.2152; .NET CLR 3.5.30729) Page: GET /localstart.asp

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• Exporting a VM running as a Domain Controller

  - by AndyM

  There is a Microsoft KB article that talks about best practices for running a DC on a VM. One of the notes is "Do not use the Export feature on a virtual machine that is running a domain controller". In order to export a VM, the VM needs to be turned off. If you turn off a DC VM, export it, import it on another server and then power the VM back on, there should be no risk as long as the original (exported) VM is never powered back on. Can someone explain to me why this isn't supported? After doing some searching on Google, the sites I found just regurgitated this line from the KB article, but didn't offer any explanation as to why this isn't supported.

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• Can a switch consume bandwidth?

  - by aashiq

  I have a network with a router and a switch. At first my ISP's optical fiber is connected with media converter input port. Than Ethernet cable (output port of Media converter) is connected with the switch. Then an output Ethernet cable is connected with our inner Microtik router. Then this router is connected with another LAN switch. From this switch we have got every connection other switch. It is our total network structure. Our bandwidth is 2 Mbps. From the 11th of March our MRTG graph shows high all the time even when my all switch is switched off except LAN switch. That's why our line is breaking up (Voice call). How could be it possible? My all PC's bandwidth is limited but when connected PC with media converter directly then the graph shows normal. That's why I can't blame my ISP.

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• chdir warning when opening .tar file on OS X

  - by denonth

  I need to unarchive a file to the /Developer folder. Install Qt for iOS SDK The Qt for iOS SDK has been configured to be installed in the default Xcode installation location /Developer. It is not possible to install the SDK into another location without first rebuilding it, as the install location is contained within the qmake executable, and that is built as part of Qt. To install the Qt for iOS SDK, open ‘Terminal’ and type the following from the command­-line: tar –xf qt­-everywhere-­ios­-4.8.0­-xxx.tar.gz –C /Developer (where xxx is an identifier which can be used to determine the build of the iOS SDK eg. arm7-­-nossl) This will install the Qt for iOS SDK into the following path: /Developer/Platforms/iPhoneOS.platform/Developer/usr/share/qt­-everywhere­-ios­-4.8.0 When I perform the operation I get the information: Lions-Mac:Documents User$ tar -xf qt-everywhere-ios-4.8.0-arm7-nossl.tar.gz -C /Developer tar: could not chdir to '/Developer' Any idea what is wrong?

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