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• Hardware VPN suddenly slow, even after replacement. Free software VPN speed is fast [closed]

  - by Andrew

  In our company we have two remote users, one in Northern California and one in Texas, that connect via VPN. We have a hardware SSL VPN unit, and suddenly this week they experienced massive slowdown, to the point of speedtesting at 0.5 mbps when it is normally 7-10mbps. We replaced the hardware sslvpn but that did not solve the problem. If I have them connect using a free VPN tool like TeamViewer, their speeds are back to normal. Does anyone have any idea why this could happen? We have not made any infrastructure changes so this was very out of the blue and I'm confused as to why even replacing the hardware vpn didn't fix it, if using free software works just fine.

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• PC3200 RAM in Older Computer?

  - by skaz

  Hello all, I am inheriting a Dell Dimension 8200, but it needs RAM to get up and running. I have PC3200 sticks lying around, but I am not sure how to go about figuring out if the RAM is compatible, as RAM has always confused me. Here is the Dell Dimension 8200 Tech Specs: http://support.dell.com/support/edocs/systems/dim8200/specs.htm For RAM, it says: Memory type PC800 (non-ECC) I don't know if that is just the kind that comes with it, and I can put in PC3200 (I think, if it worked, this would run at the lower rating? Is that true?), or if that means only PC800 is compatible. Any help would be appreciated.

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• A Service specific error occured:1 on trying to start apache 2.0 server.(Windows 7)

  - by user2297366

  I installed apache on my computer(localhost) and it worked fine. Then I went to download some other stuff and later noticed that the apache server stopped. So I went to command prompt(as administrator) and typed net start apache2. It says The Apache2 Service is starting. But before it finishes, I get the error A Service Specific Error Occurred: 1. It says that you can type in something for more info, but that doesn't help at all. Things I have tried: 1: Quit Google Drive Sync 2: Quit any and all programs using port 80(port my server is on) 3. I even tried changing the port of the server and got same error message, so I don't think it has anything to do with something else being in the port. None of those things have worked. I am confused at why it worked earlier, but now it won't work. Any help is greatly appreciated.

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• Windows 7 - Static DHCP server address with dynamic IP Address

  - by mkstreet

  Is this possible? On my LAN, I would like to setup the network properties such that the DHCP server's address is static. However, I want that server to hand out the IP Addresses and DNS addresses dynamically. The reason is that some devices on the LAN will try to behave like a DHCP server. For example, we use software to push images to computers on the LAN (our computer software configurations are centrally managed). When that imaging distribution software happens to be running, the machines being imaged will get confused as to which device is the DHCP -- the real one or the machine that is sending them the image. So, to remove the confusion, I would like to setup my Windows 7 images such that the DHCP server address is statically assigned. And then that server would assign the IP Addresses and the DNS addresses dynamically.

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• CentOS server. What does it mean when the total used RAM does not equal the sum of RES?

  - by Michael Green

  I'm having a problem with a virtual hosted server running CentOS. In the past month a process (java based) that had been running fine started having problems getting memory when the JVM was started. One strange thing I've noticed is that when I start the process, the PID says it is using 470mb of RAM while the 'used' memory immediately drops by over a 1GB. If I run 'top', the total RES used across all processes falls short of the 'used' listed at the top by almost 700mb. The support person says this means I have a memory leak with my process. I don't know what to believe because I would expect a memory leak to simply waste the memory the process is allocated not to consume additional memory that doesn't show up using 'top'. I'm a developer and not a server guy so I'm appealing to the experts. To me, if the total RES memory doesn't add up to the total 'used' it indicates that something is wrong with my virtual server set-up. Would you also suspect a memory leaking java process in this case? If I use free before: total used free shared buffers cached Mem: 2097152 149264 1947888 0 0 0 -/+ buffers/cache: 149264 1947888 Swap: 0 0 0 free after: total used free shared buffers cached Mem: 2097152 1094116 1003036 0 0 0 -/+ buffers/cache: 1094116 1003036 Swap: 0 0 0 So it looks as though the process is using (or causing to be used) nearly 1GB of RAM. Since the process (based on top is only using 452mb, does that mean that the kernal is all of a sudden using an additional 500mb?

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• how to properly edit hosts, hostname and resolf.conf?

  - by Firewall

  i,v been searching the internet for a real noop tutorial on the subject but could not found any direct info. on how to edit these files the proper way. i,v got a debian internet server that i use to host some personal domains and runs squid and rTorrent. the server is up and running with no problems but i am confused about a few things. lets say that i named my server (foo), my domain is (example.com) and my public IP is 95.211.133.200 now: should /etc/hostname contains: tango.example.com or tango <----- just the server name should /etc/hosts contains: 127.0.0.1 localhost.localdomain localhost 95.211.133.200 foo.example.com foo should /etc/resolf.conf contains (along with the nameservers) both: domain example.com search example.com or just the first one. are there any other files that i should edit in order to make things right? last thing, the command: domainname returns: (none) i believe it should return (example.com). what should i do to correct that?

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• What is the --daemon option?

  - by Pascal Dimassimo

  I was installing Solr with Jetty using these instructions. Basically, those instructions made you download the Jetty startup script and copy it to /etc/init.d/jetty. But it was not working. Each time I was starting Jetty, I had a "FAILED" message and nothing to understand why it was happening. I decided to open up the /etc/init.d/jetty script to understand what was happening. I saw that this script was using start-stop-daemon to launch jetty. After a couple of time of debugging, I discovered that removing the --daemon option at the end of the start-stop-daemon call was fixing my problem. I did a couple of research and discovered that this guy had the same problem and resolved it like I did: my removing the --daemon option. What is weird is that the switch does not seem to be specific to start-stop-daemon, because it is not documented in the man page. Also, I've seen it used for other commands. So what is that --daemon option doing? And why removing it resolved my problem? Note that I am working on Ubuntu 10.04.2 LTS.

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• Combine OS partion with data partition on NAS4Free/FreeNAS

  - by Pak

  I recently built a NAS4Free (formerly FreeNAS) machine using a 256MB (yes, MB) USB drive for the OS. When I did the original install, I had the bright idea of making the OS partition just big enough for the OS and a then creating a second partition using the remainder of the drive to store stuff pertaining to the OS. I never really found a use for the data partition and I ended up running out of space on the OS partition, so now I'd like to combine the partitions into a single partition. Is this something that is possible to do while everything is up and running? If it comes down to it, I can take down the machine and do a fresh install of the OS using the entire space of the USB drive, but I'd like to use this as an opportunity to better familiarize myself with FreeBSD/UNIX type systems. If this is possible, will it interfere with the NAS4Free things? The data partition shows up in the web interface under the disks section. If I end up manually changing the partitions, I'd be concerned with NAS4Free getting confused by the missing partition.

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• ssh can't connect after server ip changed

  - by Kery

  I have a server with ubuntu installed. After I change the network configuration and restart server, ssh client can't connect server any more. But in the server I can use ssh client to connect itself and the netstat command shows that sshd is listening port 22. And in my computer (win7) ping command is OK to server's new IP. The configuration in /etc/network/interfaces is: auto eth0 iface eth0 inet static address 10.80.x.x netmask 255.255.255.0 gateway 10.80.x.1 I'm very confused about this. Hope somebody can give me some idea. Thank you in advance!!!

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• MySQL Cluster transaction isolation level - READ_COMMITTED

  - by Doori Bar

  I'm learning by mostly reading the documentation. Unfortunately, http://dev.mysql.com/doc/refman/5.1/en/set-transaction.html#isolevel_read-committed doesn't say anything, while it says everything. Confused? Me too. ndb engine supports only "READ_COMMITTED" transaction isolation level. A. It starts by saying "sets and reads its own fresh snapshot", which I translate to: The transaction is having a separated 'zone' which whatever it stores there - is what it reads back. B. While out-side of the transaction, the old-values are unlocked. C. It continues with: "for locking reads" sentence - No idea what it means. Question: they claim only READ_COMMITTED transaction isolation level is supported, but while handling a BLOB or a TEXT, they say the isolation is now "locked for reading" too. So is it a contradiction? can a transaction LOCK for reading just as well while handling something other than BLOB/TEXT? (such as integers)

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• ssh asks for password despite ssh-copy-id

  - by Aliud Alius

  I've been using public key authentication on a remote server for some time now for remote shell use as well as for sshfs mounts. After forcing a umount of my sshfs directory, I noticed that ssh began to prompt me for a password. I tried purging the remote .ssh/authorized_keys from any mention the local machine, and I cleaned the local machine from references to the remote machine. I then repeated my ssh-copy-id, it prompted me for a password, and returned normally. But lo and behold, when I ssh to the remote server I am still prompted for a password. I'm a little confused as to what the issue could be, any suggestions?

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• Stream tar.gz file from FTP server

  - by linker

  Here is the situation: I have a tar.gz file on a FTP server which can contain an arbitrary number of files. Now what I'm trying to accomplish is have this file streamed and uploaded to HDFS through a Hadoop job. The fact that it's Hadoop is not important, in the end what I need to do is write some shell script that would take this file form ftp with wget and write the output to a stream. The reason why I really need to use streams is that there will be a large number of these files, and each file will be huge. It's fairly easy to do if I have a gzipped file and I'm doing something like this: wget -O - "ftp://${user}:${pass}@${host}/$file" | zcat But I'm not even sure if this is possible for a tar.gz file, especially since there are mutliple files in the archive. I'm a bit confused on what direction to take for this, any help would be greatly appreciated.

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• how to properly edit hosts, hostname and resolf.conf? [migrated]

  - by Firewall

  i,v been searching the internet for a real noop tutorial on the subject but could not found any direct info. on how to edit these files the proper way. i,v got a debian internet server that i use to host some personal domains and runs squid and rTorrent. the server is up and running with no problems but i am confused about a few things. lets say that i named my server (foo), my domain is (example.com) and my public IP is 95.211.133.200 now: should /etc/hostname contains: tango.example.com or tango <----- just the server name should /etc/hosts contains: 127.0.0.1 localhost.localdomain localhost 95.211.133.200 foo.example.com foo should /etc/resolf.conf contains (along with the nameservers) both: domain example.com search example.com or just the first one. are there any other files that i should edit in order to make things right? last thing, the command: domainname returns: (none) i believe it should return (example.com). what should i do to correct that?

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• Should the hostname of my VPS point to the dedi IP of my Domain or to to a shared one used for new account creation?

  - by thomas

  I leased a VPS which I want to use to sell shared hosting. 3 IPs - I call them A, B and C here for simplicity. Actual setup is: A=NS1.mydomain.com; host.mydomain.com and is used to set-up new accounts in shared environment B=NS2.mydomain.com C=dedicated IP for mydomain.com (SSL secured) The more I read about DNS, the more I get confused; thus my question: Is this configuration "Good Practice", especially the hostname pointing to A rather than to C? And what would be a better alternative?

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• itunes equalizer per track settings

  - by DA

  I'm a little confused about iTune's ability to set eq presets on a per-song basis. I have a song that I open, set to a given EQ preset, then close. When I play this song, however, the audio isn't being adjusted. If I open the EQ and turn it 'on', though, it then obeys the song's eq setting. Of course, if I leave the EQ on, then songs that do not have their own EQ setting default to whatever the EQ was originally set at. Not a HUGE deal, but it means that I would then normally have to have EQ always turned on, set to flat, so that any song that I HAVE given a EQ setting to will use it. Am I understanding how that works correctly? Is there a way to have individual songs use their EQ setting without having to turn on the EQ for everything?

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• Do old package versions in CentOS mean that they do not have security fixes?

  - by user1421332

  We asked our admin to update SVN on our CentOS 6.5 server. He did so and the result was SVN 1.6.11. However the current version of SVN is 1.8.9. I know the CentOS yum repository is not always up-to-date. But in that case I am confused: SVN 1.6.x is not officially supported anymore. This means it does not get any security fixes! How can the official CentOS repository provide such an old (and dangerous) version? Is there something we (or our admin) understood the wrong way?

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• Isn't ethernet used for LAN?

  - by Alraxite

  I'm not really knowledgeable about networking stuff, hence the stupid question. I read that ethernet was used for LAN connections but I'm pretty sure what I'm currently using to connect to the internet is 'ethernet'. The only knowledge that I have about networking is that there are two types of internet connections: Dial-up and broadband. And broadband can be either DSL or cable. So where does ethernet come from? The only thing I can tell is that I have a DSL model and there is an ethernet port at the back of it, a cable from which runs to a port in the back of my CPU. So, can ethernet be used to connect to the internet? Is it a subtype of DSL? I'm really confused about this, so I would really appreciate if someone could explain this to me. Also, I will apologize if this isn't the right place to ask.

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• Sharing files between centOS on virtualbox and windows 7 as the host

  - by Wasswa Samuel

  I have centOS 5.5 installed on virtual box it has no GUI so every thing is command based. I want to make a folder in centOS which i can share with my windows 7 host OS such that i can send files to and fro seamlessly. I am new to linux and i managed to install samba. I looked up some tips on net but i ended up getting confused and none of them worked. Can someone explain to me how i can do this in a straight forward way from how i can configure samba to how i can mount the folder such that it can be seen on the host operating system. I am completely lost.please help.

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• Good Choice of Memory for Asus K52F-BBR5

  - by Christopher Painter

  I recently purchased an Asus K52F-BBR5 notebook. It's a basic laptop with an Intel P6100 CPU and Mobile Intel® HM55 Express Chipset. It came with 3GB of DDR3 SODIMM memory and I'd like to expand it to 8GB. I'm a little confused by DDR3 nomenclature and not up to date on my knowledge of chipsets. I'd like to make a good choice when selecting memory for it. Crucial's database suggests using either a PC3-8500 with CAS 7 or a PC3-10600 with a CAS of 9. Is the 8500 better because of it's CAS 7 or will my chipset run the memory async at a higher speed and get better performance? Which would be a better choice for my chipset and CPU? Price difference is negligble.

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• Folder Permissions in Windows 7

  - by gameshints

  I'm trying to securely share a folder across two computers on a relatively public network. However, I'm a bit confused on how permissions work and was hoping for some clarification between the following so I don't accidentally make something public I don't want. When you right-click a folder and go to properties, what is the difference between Sharing Tab - 'Share...' button - List of users and permissions there Sharing Tab - 'Advanced Sharing...' button - 'Permissions' button - List of users and permissions there Security Tab - List of users and permissions there Thanks!

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• Certificates compartments (certmgr.msc)?

  - by Royi Namir

  After reading a while , Im trying to understand what kind of certificates will be found at : Personal Other People Trusted Root Certicfiation Authorities will personal will contains only private keys ? I'm a bit confused. What about certificates which arent trusted and I manually trust them , where will they be ? Also , Why do I only have the CurrentUser Tab in my computer ? where is the local computer tab ? here is a picture from the internet. I only have the "current user" Node.... Thanks.

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• Does anyone know the touchpad disabling driver for Dell xps 14?

  - by rkar

  I accidentally deleted my Dell xps 14 touch pad disabling driver and I don't know where to find it and reinstall it. I have already tried Dell support and without luck (I don't want to install something that I don't know). Would anyone please send me the link to that driver To clarify: There is this Fn shortcut key used to disable/enable touch pad in Dell xps14 and when press it orange light on touch pad will lit and touch pad will stop working. But after deleting the driver that responsible for that function,it stopped working. My service center is almost 600 miles away and he said that he forgot to add it last time he fix my laptop. Since the internet connection at his place is slow,he can't send me from mail either.So can anyone send me the link for that driver. Since I don't really know about drivers it would be really nice if some one show me the driver name or link. Sorry,here is my laptop service tag "C37KWL1".I don't know how to find the specific driver for that function key.My dell has a short cut for disabling touchpad with picture on it along with the other multimedia short cut key with picture. since xps 15 and 17 have seperated touch key instead of on function keys mine have to choose function key or multimedia key through setting.To be honest my service center tech guy forgot to install it when he repair it and can't send me the file(which is about over 20mb or something according to him)for some reason.All i need is that particular file.

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• Mix content warning on ASPX page

  - by Amit

  Hi, We have started receiving the mixed content warning on ASPX pages on our secured site. We do not have any mix content, we load all our JS, Images, CSS and ASPX files using HTTPS. I dont know why we have started receiving these warnings now. The latest thing which we have added is the third party control for Dialog boxes from Essential Object. We are previously using their Menu control but added dialog box recently. Also we have made our application browser compatible. I feel the reason is something between these two points. Can anyone suggest any solution or any workaround if they know any or have used Essential Object controls and faced simililar issue? Essential object is saying it is not their problem. The mix content warning appears any time and not specifically when the Essential Control dialog box popsup, thats why I am bit confused. Any help is highly appriciated. Thanks.

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• Economical way to get many harddrives into rack mount?

  - by Industrial

  Hi everyone, Please bear with me as being a bit of a newcomer at 19" rack-mounted equipment. I've thought a fair bit lately about the best way of getting 4x or 6x of 2.5" hard drives into my rack and are right now currently slightly confused about would be the best (economical) solution. After scouting the market, I've found this type of disk array units that offers built in RAID and a lot of drive slots and a truckload of geek cred, but at a price that just isn't going to fit in my budget. I've also found these type of cute adapters that takes two 2.5" drives in one 3.5" slot, but I will obviously need a chassie with a lot of 3.5" spaces in order to make it work. So what is the most economical way to house my harddrives in my rack?

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• Installed Windows 7 without formatting disk? Possible?

  - by ile

  I've just installed Win7 but I'm little confused. When booting from XP cd, there is an option to format hard drive. After choosing which partition to format, format process takes usually not less than hour (depends on size of partition), but when I clicked on Format when in Windows 7 installation interface, I received some message (I cant remember what was it, but it was not any error message or something like that) and that was it. After that I choose to install Windows 7 and installation began. "Expanding Windows Files" was the longest process of installation. Was that the part when the hard drive was formatted? I don't understand what happened? Is it possible that my hard drive was not formatted but still installation was successful?

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