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• Linux web server shared hosting file errors

  - by dfilkovi

  I'm using a shared hosting to host my website and have some problems with files from time to time. First, one of my file (php) was missing a part of code (nothing to do with hackers just a random piece of code was missing), then after some time a value inside a mysql table was also missing a part, then a whole table column disappeared, after that a whole file on my site disappeared and lastly again some code from a file disappeared, my hosting service says it has nothing to do with them, but this is stupid, how can this happen, no hacker attack could do such a thing, I believe it's some kind of a disk corruption or bad backup. Anyone have any ideas?

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• Custom PC won't boot Windows 7 dvd but does with windows vista

  - by M_rk

  I ordered a custom build PC. (It was assembled by the store). This is the setup Motherboard: Asrock A75 PRO4-M DVD drive: LG GH24NS90 SSD: Samsung 830 series 128GB DDR3 SDRAM: 2× Corsair XMS3 CMX4GX3M1A1600C9 (2× 4GB) APU (CPU+GPU): AMD A8-3850 Boxed I got a installation DVD for Windows 7 Professional x64 English (including SP1), but it doesn't work. I got a new one from the store and it doesn't work either. However they work on a other PC. So the DVDs aren't bad. I tried an old installation DVD for Windows Vista. Both 32 bit and 64 bit work. So the boot order and such are right and working on the new PC. Is there something I'm missing here? Any ideas on how to make it work?

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• Can I create a DC without a DNS Server?

  - by onik

  So as the title says, I need to promote a standalone Win2008R2 server to a Domain Controller, and I don't a DNS Server (I think), as there will be no clients connected to the domain, it will be only used for Remote Desktop Services. Yes, I know, it's considered bad practice to install other roles on the DC, but in this case, it's necessary. Do I need to install the DNS Server, and if I do, how to make it as transparent as possible? EDIT: Seems that I need to install the DNS Server, so I can I configure it not to mess up my entire domain? For example: The server I need to promote is rdc.mydomain.com, and it has an A entry to it's IP in the current DNS, while other servers under mydomain.com are running Linux and don't need to know anything about this Windows box. The domain uses a third-party DNS and all edits and updates need to be done via a separate web page, our servers don't have write/update access.

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• How to solve ATI Radeon 7670M/ Intel HD Switchable Graphics recurring BSOD error?

  - by Ashin Mandal

  I recently bought a VAIO E Series laptop with an ATI Radeon 7670M and Intel HD Switchable Graphics. Around about one month ago, my computer started shutting down with atikmpag.sys blue screen error and the frequency of the errors kept on increasing with time. I am really worried about my VGA Adapter and whether or not it's gone bad. It's a 3 month old laptop! I searched on Google about atikmpag.sys BSOD and most of them suggested that my driver probably needs to be updated. I searched the Sony website and also the ATI website, I did have the latest drivers installed. Yet, I uninstalled the driver and installed it back again. But blue screens just keep coming back again and again. It generally happens more frequently when I have a video running and have paused it to do something else. I hope it's a driver issue!

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• How to make Chrome open bookmarks and URLs in new tabs?

  - by MBraedley

  I principally use Firefox both at home and at work, but on occasion I use Chrome. I have Firefox working the way I like it by having it open bookmarks in a new tab when left clicked, as well, URLs open in new tabs. Although having URLs open in a new tab can be annoying if I type a bad URL, I still prefer it, but that's neither here nor there. I would like to replicate this behaviour in Chrome, and can't seem to find anything relavent in the settings. Is there any way of doing this without an extension? If not, can you point me towards an appropriate extension (I've already done a search and can't find what I'm looking for)?

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• What are possible causes of keyboard lag on my desktop machine?

  - by Jer

  I am running Windows 7 and began experiencing keyboard lag in most applications, and it seems to be getting worse. Certain websites are the worst - on some, I can type a sentence, take my hands off the keyboard, and watch the characters continue to appear on the screen for several seconds. Others are not as bad, but still noticeable and annoying. I just started noticing it in non-browser applications (e.g. Outlook) as well. I've disabled all extensions in Firefox, rebooted my machine, and that did nothing. There is nothing using much memory or cpu cycles, even when the lag is occurring. This is a machine at work with very strict controls over what can be installed, so the chances of any kind of malware are very slim. I don't believe anything as been installed since before the problem started. What could be causing this, and/or what can I do to debug?

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• Please help to troubleshoot the issue with Inspiron 8600 laptop

  - by user34300

  Hello! I have a Dell Inspiron 8600 laptop which display stopped working all of the sudden. It started to show a purple fog pattern along with some color vertical lines. I talked to Dell support and they told me that is a screen gone bad and I should get a new one which I did. But surprisingly the new display won't work either! The pattern on the screen is different but still no picture. So I tried to connect the old display to another laptop (Lenovo Z61) and it turns out it works just fine with it! So please help me to identify the cause of the issue. I think it could be a video card but the external display works flawlessly. I appreciate your thoughts about it so I won't need to buy spares which I don't need. Thank you! P.S. Please do not suggest to contact Dell support again.

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• Problem with PPTP VPN and internet

  - by Enriquev

  Hello, I have an internet connection the following way : Internet Modem <- FireWall(not a router, a firewall) <- PC Everything is setup so my pc has an external ip address, and my firewall takes care of blocking bad stuff. I connect by VPN to an external network, so I added a new connection using Windows Xp's "New connection wizard" (the vpn client that comes with Windows XP), it's a PPTP connection so I used all default settings. I put the PPTP server's IP, my username and password and I succesfully connected. I was able to have access to the external VPN ressources. The only problem is everytime I connect to this VPN, my computer cannot connect to the web anymore, no msn, no ping, no web. Is there anything special I should be doing?

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• How do I improve picture quality while streaming live football (soccer) from my Dell D600 to an HDTV?

  - by Bob

  I have fibre broadband with speeds up to 38mbs, my Dell D600 has its max 2gb ram and has an ATI Mobility RADEON 9000 4xAGP 32mb card in it...Its TV support it says is NTSC or PAL in S-video and composite modes with a 7-pin mini-DIN connector (optional S-video to composite video adapter cable) and a vga port which i am using at the moment... The laptop runs Windows XP, an 80g HD with only windows + necessary updates and anti virus software on it..... There is HDMI on the TV, but not the laptop Fairly slow moving and close up pictures arent too bad, but when the movment is fast(a shot on goal) or in the distance, I cant see the ball and the images go out of focus.

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• Auto-scaling EC2 Servers and Updating Code

  - by jstats

  We've come to the point where we need to set up autoscaling for our web server and I'm unsure how to go about the process of scaling servers and updating the the existing code without remaking a new AMI and changing the autoscale config to use it. I've read a bit about people bundling the new code and uploading it to s3 and having new servers grab the bundle on boot up but that doesn't seem all that pleasant either. Currently the web app's files live in a git repo, and when we update the code, we push it to github, ssh into the web app and run a hook to bring down the latest code. So I was thinking that another option could be to just run that hook on an hourly or daily cron task. Unfortunately that doesn't cover everything type of update (for example new blog posts' images and such which aren't included in the git repo) but it's something. Could anyone provide some advice on what a common solution is or anything as to why my proposed solution is a bad idea? Thanks all

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• Ubuntu Server upgrade over SSH hang

  - by Chris

  I was upgrading an Ubuntu server (using the do-release-upgrade) command over SSH (I know it's a bad idea, but it was the only choice; I don't have physical access to the server). It seemed to go fine and was going thru the 'setting up package name' part when it froze on the line Installing new version of config file /etc/mysql/debian-start ... The SSH connection appears to be still active, as pressing the up arrow echoes back ^[[A, and so on. When I log in on another SSH connection I can log in fine, but the ** system needs restart ** message shows up. Is it safe to ^C the release-upgrade command, or try to reboot the server? Should I ^C the upgrade and try it again? Anything else I could try?

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• I need to somehow change my ip address

  - by tric

  hello. i`m in a lan using iptables/masquerade. what i want to do, is to login in a web application.i write my user and passwd and click login and everything is fine, but if i try to modify something in that aplication it tells me that i have a wrong ip address.i knwo for sure that this app only allows ip 10.3.x.x .how can i trick that application to think that i have an ip from class 10.3.x.x and not my wan ip? 10x sorry for my bad english!

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• Using iptables to block ALL outgoing traffic from one NIC?

  - by edanfalls

  Hi, I must pretty bad at Googling as this seems like a very basic question but I can't seem to find the answer anywhere... and man iptables is a very long read! I have two NICs - eth0 and eth1 - on a linux box and I want to block ALL outbound traffic (TCP and UDP across all ports) from one of the NICs, so that no traffic makes its way back up to the router. What is the command for this? I have only seen examples with specific ports. Thanks in advance.

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• Samba / smbd on Centos 6.5

  - by Satalink

  I've installed Samba4 and have the smb.conf file as follows: [global] workgroup = WORKGROUP server string = Samba Server realm = REXIALO.COM netbios name = REXIALO.COM security = user map to guest = Bad Password bind interfaces only = no interfaces = lo venet0 log file = /var/log/samba/samba.log max log size = 1000 [webroot] path = /usr/local/apache/htdocs comment = Example.com webroot directory read only = No I can connect from the same server with smbclient. Localhost: # smbclient -L localhost -U root Domain=[WORKGROUP] OS=[Unix] Server=[Samba 4.1.11] Sharename Type Comment --------- ---- ------- webroot Disk RexiAlo webroot directory IPC$ IPC IPC Service (RexiAlo Samba Server) Domain=[WORKGROUP] OS=[Unix] Server=[Samba 4.1.11] Server Comment --------- ------- Workgroup Master --------- -------Enter root's password: network: # smbclient -L rexialo.com -U Domain=[WORKGROUP] OS=[Unix] Server=[Samba 4.1.11] Sharename Type Comment --------- ---- ------- webroot Disk RexiAlo webroot directory IPC$ IPC IPC Service (RexiAlo Samba Server) Domain=[WORKGROUP] OS=[Unix] Server=[Samba 4.1.11] Server Comment --------- ------- Workgroup Master --------- ------- The problem is when I try to map to the smb webroot from Windows 7, it asks for user/pass but just times out and then prompts for credentials. The samba.log file does not show any activity other than the startup of the smbd process. Any help would be appreciated.

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• Running SQL 2008 on a VM

  - by chris.w.mclean

  We are pondering trying to set up a SQL 2008 instance inside a VM for a production environment. All our SQL instances use iSCSI over gigabit ethernet to talk to a NAS, as would this new instance. Any reason this is a bad idea or any considerations to make this work well? The VM would be running in Xen 5.5 or we could set it up in Hyper-V if there's a compelling case for that. And the VM's VHD would be stored on a different NAS then the SQL storage is on.

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• windows 7, slow keyboard

  - by dwight kelly

  I am using Windows 7. the keyboard requires appoximately 1 second of hold down before it sends the letter. the pc wil click once at the 1/2 second then at 1 second the letter will show up. I thought the keyboard was bad and I purchased a new one (usb) and the same thing happened. I pulled out an old ps/2 keyboard, and the same thing. I booted the pc up and went into bios. the keyboard works fine there. I tried unninstalling and reinstalling the drivers, no change please advise

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• How do you explain ethernet cable problems to non networking people?

  - by Bryan McLemore

  We've recently been doing a large network migration in our datacenter. We've had a few cables in this start to deliver really bad pings (in excess of 500ms on a LAN) before they could be replaced. The cables we were replacing weren't made the best. They where all hand made and the runs were so short on some of them that the bend radius was definitely too tight. Some of them ran in bundles right in front of the heat exhaust of the power supplies. The cables were running ok until we started pulling the ones surrounding them out. Then a few started having the problem I mentioned above degrading performance and causing reliability issues. I'm trying to figure out the best way to explain this to non networking people. Is there any documentation that people could recommend or other methods?

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• FTP Error 550 when trying to access a folder via symbolic link

  - by OrangeTux

  I'm configuring svftp on a linux machine. At the moment local users can login via ftp and they will see listened their home dir. They have write acces to it. No I want the users to write in de /var/www/ dir. Therefore I created an new group apache. Added users to the group and gave the group write access to /var/www. Via the terminal all users can write .var/www/. I created a link in the home directory to /var/www via ln -s /var/www/ /home/user/www ls gives: drwxr-xr-x 2 orangetux orangetux 4096 Jun 23 15:06 ftp lrwxrwxrwx 1 orangetux orangetux 21 Jun 23 15:00 www -> /var/www/ But when I use FTP I see the link but I cannot follow it. Error 550 which means file not found or bad access. How can I solve this, so that the users have access to /var/www via their home dir?

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• AWS RDS Mysql with benstalk Hibernate app: Character encoding issue

  - by TeraTon

  I'm running a webapp from amazon rds with tomcat 7 and spring, which uses hibernate as the persistence layer. The application and utf-8 encoding work properly on localhost, but for some reason when I deploy to amazon, the UTF-8 encoding breaks. I use mysql 5.5.27 on amazon rds and the table that we wish to update has collation set to utf8 - utf8_unicode_ci And in hibernate I have set: < prop key="hibernate.connection.charSet"UTF-8 UTF-8 characters get replaced by ??? and this is of course especially bad for passwords and usernames + email as it basically kills them. Anyone else encountered character encoding breaking when deploying to amazon?

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• Modify PATH variable for X11 during log-in

  - by user1028435

  I am working on some lab computers (read: no administrative rights) that, if I log in, I need to change the PATH variable as X11 starts. The reason is that I need to change the PATH variable at this time, as opposed to later, is that the Print Screen command seems to "bind" during login (forgive my bad explanation of this). Currently, I have a .bashrc script as a workaround: #!/bin/bash export PATH=/home/username/bin:$PATH I can make it work by starting a new X, but I was wondering if it is possible to change upon login. cat /etc/redhat-release tells me my distribution is: Red Hat Enterprise Linux Client release 5.8 (Tikanga)

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• Dealing with SMTP invalid command attack

  - by mark

  One of our semi-busy mail servers (sendmail) has had a lot of inbound connections over the past few days from hosts that are issuing garbage commands. In the past two days: incoming smtp connections with invalid commands from 39,000 unique IPs the IPs come from various ranges all over the world, not just a few networks that I can block the mail server serves users throughout north america, so I can't just block connections from unknown IPs sample bad commands: http://pastebin.com/4QUsaTXT I am not sure what someone is trying to accomplish with this attack, besides annoy me. any ideas what this is about, or how to effectively deal with it?

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• Cant access EC2 hosted website

  - by Himanshu Page

  For some reason, I am unable to access our website www.doccaster.com (Bad request nginx). We are hosted on amazon EC2 with elastic ip associated to it. The weird part is a) I can access it through the public dns url http://ec2-184-73-195-180.compute-1.amazonaws.com b) My co founder who is located in another city can access it via www.doccaster.com. I observed that my instance was failing reachability check, so I launched a new one and assigned it the the elastic ip. I tried to ping the ip address 184.73.195.180 from my machine but no success. Any help will be really appreciated. More details I ran the following command on my server netstat -lntp | grep -E 'apache|httpd' and it displays :::80 for httpd . Is this accurate ? Should it be 0:0:0:80 ? or doesnt matter?

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• Sound card doesn't work and yet does.

  - by Xeoncross

  I have a really weird one tonight. Today we had a LAN party and all of a sudden the sound on a couple PC's stopped working for programs like the games, windows media player, etc. However, when errors would popup (like trying to change the volume settings) you would here the default error chime. Restarting the computers you would here the logoff-login sounds and after a restart the sound would work for a bit in both games and apps and then suddenly stop. Restarting also didn't always fix the problem. I can't figure this out. If the sound card/driver didn't work then how could we hear sounds from the windows sound scheme? No sound with VLC, windows media player, youtube, games, nothing. The only thing I can figure out is that this is a bad game crashing the primary driver or some kind of weird virus these PC's might have picked up.

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• Outlook Registry Key Damaged; Tried "Fix It" and lost everything

  - by Ray

  My outlook 2007 (on Windows 7 64 bit) worked fine for two weeks. I then installed a printer/scanner/copier and the Outlook Window wouldn't open. I went to Microsoft's website and found a page that said my registry key was damaged. The page had a link to a Fix It program. I ran the program and it looks like all my Outlook data was wiped out. Can I get the data back? For future reference, how should I protect myself if the key goes bad again? Do you think I should unistall Outlook and re-install?

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• How to fix rogue Firefox window?

  - by Colonel Panic

  I have a rogue Firefox Window which has no tab bar, and no orange Firefox menu button. It has no back button either, nor no home or bookmarks buttons. My other Firefox windows are fine. How can I right the bad window? Sometimes in Google Chrome I encounter similar rogue windows. I tame them by right-clicking and choosing 'show as tab'. Edit: I want to keep the window open, I just want to reintegrate it into society.

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