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• Dell XPS m1530 system cannot boot need 130w or greater

  - by KPS

  I have a Dell XPS M1530 and I lost my old AC adapter but ordered a new one. For the longest time it always had a battery charge so I was able to boot into the OS but now it is completely dead. I have a generic charger that slowly charged the laptop when it was in the OS but does not when the computer is off. When I boot up I get the following error: The AC power adapter type cannot be determined. The system can only boot with a 130 W power adapter or greater. Strike F1 key to shutdown. I cannot even enter the BIOs setup screen or boot menu, is there a way around this? I heard from the local tech that Dell has a special feature to boot from thumb drive before getting past the initial logo. I am doing my best to avoid purchasing a new charger since it worked just fine when the OS was running, I am hoping to get this thing going. Is there a way to charge the battery externally? Thanks in advance for any help!

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• Synchronization of volume snapshots when doing whole system backups

  - by intuited

  Is there a way to guarantee consistency across volumes when doing backups from LVM snapshots? Consider this scenario: Some system upgrade is in progress. It will write some files to the /usr volume, and once completed, will record success in the /var volume. As the upgrade is just about complete, I run a backup script that creates snapshots of the /usr and /var volumes, along with the rest of the system's volumes, and proceeds to create backups from those snapshots. Just before the upgrade's last write/flush on the /usr volume completes, the backup script takes its snapshot of /usr. That write completes, and the upgrade operation's success is quickly recorded in the nebulous depths of /var. The backup script takes a snapshot of /var. The backup script creates backups from the snapshots it has, er, snapshotted. So the result of all of this tomfoolery is that the resulting /usr backup contains a file which is missing a few bits, and the /var backup contains metadata indicating that that file is complete and approved for use. Without delving into the details of which operating systems' system upgrade systems would be unfazed by such trifles, is there a way to avoid such problems? At the least this seems like it could cause some application to fail unexpectedly after restoration of such a backup.

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• Identifying and Resolving Oracle ITL Deadlock

  - by Allan

  I have an Oracle DB package that is routinely causing what I believe is an ITL (Interested Transaction List) deadlock. The relevant portion of a trace file is below. Deadlock graph: ---------Blocker(s)-------- ---------Waiter(s)--------- Resource Name process session holds waits process session holds waits TM-0000cb52-00000000 22 131 S 23 143 SS TM-0000ceec-00000000 23 143 SX 32 138 SX SSX TM-0000cb52-00000000 30 138 SX 22 131 S session 131: DID 0001-0016-00000D1C session 143: DID 0001-0017-000055D5 session 143: DID 0001-0017-000055D5 session 138: DID 0001-001E-000067A0 session 138: DID 0001-001E-000067A0 session 131: DID 0001-0016-00000D1C Rows waited on: Session 143: no row Session 138: no row Session 131: no row There are no bit-map indexes on this table, so that's not the cause. As far as I can tell, the lack of "Rows waited on" plus the "S" in the Waiter waits column likely indicates that this is an ITL deadlock. Also, the table is written to quite often (roughly 8 insert or updates concurrently, as often as 240 times a minute), so and ITL deadlock seems like a strong possibility. I've increased the INITRANS parameter of the table and it's indexes to 100 and increased the PCT_FREE on the table from 10 to 20 (then rebuilt the indexes), but the deadlocks are still occurring. The deadlock seems to happen most often during an update, but that could just be a coincidence, as I've only traced it a couple of times. My questions are two-fold: 1) Is this actually an ITL deadlock? 2) If it is an ITL deadlock, what else can be done to avoid it? Cross-posted from Stack Overflow. Deadlocks are normally a programming problem, but ITL deadlocks relate directly to how Oracle writes to disk, so this may be an area where DBAs have more experience.

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• Recommended partitions to migrate from Windows XP to Windows 7 and Ubuntu

  - by Juanillo

  Hello, I have a system with Windows XP. My hard disk has 189 GB NTFS. I want to change the operative system to windows 7, but I want to add Ubuntu as well. As the change might take several days (because I don't have much time) I want to install one system (or Windows 7 or Ubuntu) keeping my windows XP installed in another partition so if something doesn't work in thebrand new operating system installed I can use my Windows XP installation. So I've thouht about doing something like this: Copy the data I want to keep to an external hard disk. Make partitions enough to install windows 7, keep data in another partition and another one to install Ubuntu. Copy the data I want to keep to the partition I've just created. Install Ubuntu in the partitions for Ubuntu. Check if Ubuntu works fine If it works OK install Windows 7 on the partition of Windows XP (Windows XP will be erased). Reinstall the programs in Windows 7. So my question is: How many partitions do you recommend me to have (and the size of each one and NTFS or FAT32)? The operative system I'm going to use more is Windows 7 (though I love Linux I use many programs which are windows dependant). Do you think I should do anything else / change something in the proccess to avoid any problem? I don't know if making the partitions can harm the data I have in the disk. Thanks.

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• If I scp a file through an intermediate server, is the file stored temporarily on the server?

  - by Blacklight Shining

  For the sake of simplicity (I find it easier to remember names than arbitrary letters), I will dispense with letters and use names to refer to the machines in this scenario. Say I have two machines, applejack and pinkie-pie, each on their own separate LANs and not in the same physical location. I also have a server, cadance, with a direct Internet-facing connection. I want to copy a file from applejack to pinkie-pie, so to avoid dealing with port forwarding and such, I set up an ssh tunnel from pinkie-pie to cadance (ssh -R etc cadance). Now I can connect to pinkie-pie from anywhere, by connecting to cadance and specifying an alternate port to use. I can also easily copy files to pinkie-pie with scp -P $that_port $some_file cadance:$some_path. My understanding of how it works is this: A secure connection is made from applejack to cadance I am authenticated to cadance A secure connection is made from applejack to pinkie-pie that spans the existing reverse tunnel and the new connection from step 1. I am authenticated to pinkie-pie Files are copied directly from applejack to pinkie-pie over this connection. Am I correct here? How secure is this approach? If I'm wrong…are files copied this way decrypted at cadance before being passed on to pinkie-pie? Is there a possibility that traces of unencrypted data could remain on cadance?

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• Why does just splitting an Ethernet cable not work?

  - by Sin Jeong-hun

  I thought the Ethernet is logically a one-line communication bus (for argument's sake, I am excluding hubs). All machines attached on the bus hears the same signals and the machines themselves try to avoid collisions by randomly backing off. http://computer.howstuffworks.com/ethernet6.htm If so, why would splitting one Ethernet line from my home router into two and connecting two computers not work? Why do I have to add a switch to it? *What the Internet said would not work. [4 port home router] ------[one Ethernet cable]-----[simple splitter]======[two computers] *What the Internet said I should do [4 port home router] ------[one Ethernet cable]-----[switch]======[two computers] Is this because of the signal degradation (reduced electric current)? Thank you for all the answers! The reason why I did not just use the two ports of my home router is... The 4-port gigabit router is in my room, and I had put a computer in another room (also my room, though). Since a wired network is far more reliable and secure, I had bought a long Ethernet cable and and connected the computer to the router. Now I was thinking about adding another computer to that room. I could buy another long Ethernet cable, but then there will be two cables between the rooms. The one line already is a minor annoyance, so I thought if I could share the one line between the two computers in that room. A switch would work, but it requires power and is a little bit pricey. That is why I wondered why it would not work to simply split the physical Ethernet cable. Apparently I do not completely understand how Ethernet and a switch work. I just have some bit of knowledge I heard in my college class.

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• Picking a linux compatible motherboard

  - by Chris

  Last time I bought a new computer (I build them myself) I got a motherboard that had really poor linux support for a long time. Specifically the audio. I had to wait months before the kernel supported the on board audio chipset. That is exactly the situation I'm trying to avoid this time around. I have some specific questions about "server motherboards" actually. I looked at a few models of server motherboards by intel, and some random models on newegg. I wasn't able to see much of a difference from regular desktop motherboard other than most had two sockets, and support for much more ram. These boards seem more popular with Linux users. Why? AMD and Intel both have server CPUs as well. Some question, what's the difference? To make this question more concrete, I was looking at this this motherboard. The main questions about it that I can't answer are: Can I get a motherboard without on board raid and audio? I wanted to get a hardware raid controller and a PCI audio card. I thought a server motherboard would be cheaper and not have these "extras", since who wants an audio card on a server? Where can I found out about Linux support for the components on this board? "Intel ICH10R", "Realtek ALC889", "Marvell 88E8056" I'm buying this computer to work as a Linux desktop for a lot of compiling, coding and audio/video work, but I don't want to rule out the possibility of installing windows and playing some games at one point. (even if the last game I got has been sitting in its box unopened for almost a year). Is it a good idea to buy a "server motherboard" and play games on it, or are desktop boards better value for this? The ultimate solution for me would be a motherboard that had GPL divers for onboard LAN, a single CPU socket, lots of PCI express and PCI. USB 3.0, and no fancy hard disk controllers since I'll be getting a separate one.

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• Windows, never "lose focus" of the current window

  - by Mazura

  I want the task bar to light up orange and never lose focus to anything. If I'm installing something and then go play a game at some point it will drop out to the finished instillation. Also, if installing multiple programs at once my 'next' button can all of sudden become "click here to install this crappy toolbar" of another program's install. Of course there are settings for some programs to not "lose focus" or "stay on top" but I really want windows to handle it. If its somehow an exe called say, Taskswtich.exe, I could possibly use Process Blocker however I'm assuming its part of a function call or some such. For XP I found this: How to disable auto focus of opened Windows applications? but what about Windows7? And this old post Preventing applications from stealing focus with a bunch of long answers that say "no". I'd appreciate this not being merged with a 4 year old question. I'd like to avoid 3rd party software. This is 2014, don't we know how to hack windows yet?

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• Sporadic crash of master-slave MySQL replication process

  - by obarshay

  Hello, I was wondering if someone has experienced this and can perhaps provide some insight into this issue. We have a plan-vanilla MySQL master-slave replication set up. The tables are MyISAM and the master can get quite read/write active. We use the slave instance to perform full daily backups in order to avoid bringing down the master server. The backup process does the following: STOP SLAVE SQL_THREAD mysqlhotcopy all tables START SLAVE SQL_THREAD Every once in a while (once a month or so) the replication breaks with varying error messages indicating a corrupt query or log file. Here's one that happened last night: mysql> show slave status \G *************************** 1. row *************************** Slave_IO_State: Waiting for master to send event Master_Host: server8.propreports.com Master_User: nexus8 Master_Port: 3306 Connect_Retry: 60 Master_Log_File: bin.000045 Read_Master_Log_Pos: 581644327 Relay_Log_File: relay.000086 Relay_Log_Pos: 94131 Relay_Master_Log_File: bin.000045 Slave_IO_Running: Yes Slave_SQL_Running: No Replicate_Do_DB: Replicate_Ignore_DB: Replicate_Do_Table: Replicate_Ignore_Table: Replicate_Wild_Do_Table: Replicate_Wild_Ignore_Table: Last_Errno: 1064 Last_Error: Error 'You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near '138070603'£' at line 1' on query. Default database: 'wtsdb'. Query: 'UPDATE fill SET clearing_fee='0.0E id='138070603'£' Skip_Counter: 0 Exec_Master_Log_Pos: 4164743 Relay_Log_Space: 577574251 Until_Condition: None Until_Log_File: Until_Log_Pos: 0 Master_SSL_Allowed: No Master_SSL_CA_File: Master_SSL_CA_Path: Master_SSL_Cert: Master_SSL_Cipher: Master_SSL_Key: Seconds_Behind_Master: NULL I follow the following procedure to recover from above error and resume replication: stop slave; change master to MASTER_LOG_POS = 4164743, MASTER_LOG_FILE = 'bin.000045'; start slave; We have multiple servers set up this way and they all sporadically stop replicating with a similar error. Any advice on how to resolve this would be greatly appreciated.

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• Advice needed: warm backup solution for SQL Server 2008 Express?

  - by Mikey Cee

  What are my options for achieving a warm backup server for a SQL Server Express instance running a single database? Sitting beside my production SQL Server 2008 Express box I have a second physical box currently doing nothing. I want to use this second box as a warm backup server by somehow replicating my production database in near real time (a little bit of data loss is acceptable). The database is very small and resources are utilized very lightly. In the case that the production server dies, I would manually reconfigure my application to point to the backup server instead. Although Express doesn't support log shipping natively, I am thinking that I could manually script a poor man's version of it, where I use batch files to take the logs and copy them across the network and apply them to the second server at 5 minute intervals. Does anyone have any advice on whether this is technically achievable, or if there is a better way to do what I am trying to do? Note that I want to avoid having to pay for the full version of SQL Server and configure mirroring as I think it is an overkill for this application. I understand that other DB platforms may present suitable options (eg. a MySQL Cluster), but for the purposes of this discussion, let's assume we have to stick to SQL Server.

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• Import exponetial fixed width format data into Excel

  - by Tom Daniel

  I've received a bunch of text data files consiting of Lots of records (30K/file) of 3 fields each of 5-place numbers in exponential format: s0.nnnnnEsee (where s is +/-, n is a digit and ee is the exponent (always 2 digit). When I open the file in Notepad, the format is perfectly uniform throughout each file, but when I import it to Excel using Data|Import|Fixed Width, many of the data values get messed up, no matter what format (text, exponential, various custom tries) I assign to the cells. Looking at the Notepad version, it appears that leading + signs were replaced with a space in the data file, but the sign of the exponential is always there. This means that some fields begin with a space, and this appears to confuse the Excel import routine. I get the same result in Excel 2003 and 2007. I'm sure there's a straightforward solution (hopefully without a messy VBA routine), but I can't figure out what to try next. :-) To clarify (hopefully), here are some input records and the corresponding text input to Excel: Notepad Excel -0.11311E+01 0.10431E-04 0.27018E-03 -0.11311E 1.0431E-05 2.7018E-04 0.19608E+00-0.81414E-02-0.89553E-02 0.19608E -8.1414E-03 8.9553E-03 etc. Whoopee! Solved my own problem - in the spirit of Jeopardy, now that I've begun the question, here's the answer - Use a different "File Origin" - several other than the default "Unicode UTF..." work fine! What a pain. Hope this helps somebody else avoid a few unpleasant hours! Aloha from Kona, Tom

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• Backup with Mercurial and Robocopy?

  - by Andrew Neely

  The Problem We would like to backup our critical files from several network shares to a removable hard drive. We want to automate the backup so we don't have to remember to run it. It needs to finish overnight. Furthermore, we want to be able to preserve multiple versions of each file so we can back out of our user's mistakes easier. Background Information I work in a large Windows-based enterprise with a centralized IT section who is responsible for all backups. Their backups are geared towards disaster recovery and not user error, and require upper-level management approval for any non-disaster recoveries. Several times we have noticed that our backups have failed, we weren't notified. I do not have administrative rights to the server or my desktop. We are trying to backup some 198,000 files spanning about 240 gigabytes. These files rarely change. Our backup drive is one terabyte. My Proposed Solution What I would like to do is to write a batch file using Robocopy with the /mir option along with Mercurial SCM to store all versions of the file. I would do an hg add followed by an hg commit before each execution of Robocopy to save the current state, and then make a mirrored copy of the file structures. The problem is the /mir will delete every folder not present in the source, and Mercurial stores the repository in a .hg folder in the destination folder. Does anybody know how I could either convince Mercurial to store the .hg folder elsewhere, or convince Robocopy not to delete it from the destination? I'm trying to avoid writing a custom program do to copying.

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• Adding License to VMware Server 2 via scripting command?

  - by andyt25

  Hi all, I recently discovered the vimsvc/license command in vmware-vim-cmd and was trying to use that to automatically add my license key to a fresh vmware installation. vmware-vim-cmd -H hostip -O portnumber vimsvc/license --source file '/path/to/plaintext-file-that-contains-my-license-key.txt' plaintext-file-that-contains-my-license-key.txt contains my key in XXXXX-XXXXX-XXXXX-XXXXX format, I've also tried it with an extra carriage return at the end. Adding the key that way doesn't work, however. I always get the following error message: [200] Reading local file: /path/to/plaintext-file-that-contains-my-license-key.txt [200] Size of file is 24 bytes. returned were XXXXX-XXXXX-XXXXX-XXXXX [200] Changing license source to: file:/path/to/plaintext-file-that-contains-my-license-key.txt [500] Caught unexpected exception Type: N5Vmomi5Fault17NotEnoughLicenses9ExceptionE what() =vmodl.fault.NotEnoughLicenses GetMsg() = There are not enough licenses installed to perform the operation. It's kinda silly to require a license to be able to add a license, don't you think? ;-) So how do I go about and add the key via script? I would like to avoid any interaction as I have the rest of the install fully scripted and non-interactive. Kind Regards, Stefan

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• A tiered approach to cloning linux partitons

  - by Djurdjura

  I'm looking at a strategy for cloning Linux (root) partitions without having to use a Live CD. Literature suggests rightly that the source and target partitions must be umounted to be able to get a clean clone. This assumes that you need to use a LiveCD. I was wondering if instead of requiring a LiveCD, if using a 3rd partition that would emulate the LiveCD functionality, if we can't achieve the same functionality. In other words, at a high level a system with 3 partitions (all bootable): Rescue Partition (LiveCD emulation) Running Partition (Source) Backup Partition (Destination) All 3 partitions are LVMS. When it's time to clone the source partition to the backup (destination) partition, we would boot to the rescue partition, unmount the other 2 partitions (is it required?), run disk check on the source, copy to the destination (dd or simple copy to avoid replicating the defragmentation from the source), run disk check on the destination partition, update Grub menu list to force boot from either partition, and reboot into that partition. My question, is it an approach that you'd recommend? MBR in all this? Any gotchas or extra checks required? Thanks, D. PS. On recommendation from members, posting here instead of stackoverflow.com.

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• Database types for customer analytics

  - by Drewdavid

  I am exploring a paid solution to start providing better embedded, dashboard-style analytics information to our website customers/account holders, but would like to also offer an in-house development option to our team. The more equipped I am with specifics (such as the subject of this question), the better the adoption rate from the team (or so I have found), regardless of the path we choose Would anyone care to summarize a couple of options for a fast and scalable database type through which we would provide the following: • Daily pageviews to a users account pages (users have between 1 and 1000 pages) • Some calculated/compounded metrics (such as conversion rate, i.e. certain page type viewed to contact form thank you page ratio) • We have about 1,500 members (will need room to grow); the number of concurrently logged in users will for the question's sake be 50 I ask because our developer has balked at providing this level of "over time" granularity (i.e. daily) due to the number of space it would take up in a MYSQL database To avoid a downvote I have asked specifically for more than one option, realizing that different people will have different solutions. I will make amendments to my question if so guided by answering parties Thank you for sharing your valued answers :)

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• Web hosting for multiple web sites providing system isolation

  - by Justin

  We have a small number of projects where we expect the client will not be maintaining the installed versions of applications we install to power the site (such as Drupal). Given that an important part of security is keeping things updated, we don't want to host these projects on our Plesk-powered dedicated servers that currently host lots of our other client's websites. Our goal is to find a host where we can deploy isolated instances (be these slices, virtual servers, grid servers, etc) for each individual (or groups of 2-3) web sites as we need them. These instances would be completely separate, so that if one web site were hacked it would not impact any other site. Typical hosting requirements: Linux Apache PHP 5 MySQL Supports Drupal Ability to setup a cron task (but we don't need SSH access) Daily backups Virtualized/cloud hosting (we want to avoid shared) Pricing per site is around $25/month OS is patched automatically Some options we have considered but won't work: MediaTemple: Two major data center-wide security incidents and recent downtime foster doubt about this host's technical ability. Slicehost: This would require us to manage the entire server, which we don't want to do. Rackspace Cloud Sites (formerly Mosso): No backup options. Do you have any recommended hosting options for given these requirements?

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• ajax.googleapis.com stopping my Firefox

  - by Oscar Reyes

  Today for some strange reason, Firefox stops working properly because it is trying to fetch something from ajax.googleapis.com. Is there something I can do to avoid this? Safari and Chrome work just fine. I tried uninstalling Firebug and clearing the cache. The only thing that worked was disabling the JavaScript altogether. This seems to be the culprit link: http://ajax.googleapis.com/ajax/libs/jquery/1.3.2/jquery.min.js What can I do? EDIT I think I have found where the problem is. My proxy is serving one byte at a time the file, so firefox consume it at that peace. What I don't understand is why Safari and Chrome takes it right away. What I did last night was, leave the FF open all the night to give him change to load the file, my hope was that I got cached and the next time there was no need to go for it. Today in the morning, the page load successfully but the page was not cached, because the next request failed the same. Here's a video showing the problem:

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• Uninstall IIS on Windows 7

  - by CJM

  I've just rebuilt my development machine and installed IIS. I then installed the Web Deployment tool and used this to restore my previously-backed-up websites to the clean machine. Unfortunately the restoration didn't work correctly/fully. I couldn't easily correct the problem, so I decided to uninstall/reinstall IIS and recreate the sites manually. I uninstalled IIS and rebooted, but there was still plenty of stuff left around such as various files in /windows/system32/inetsrv/ which I tried to delete manually (with limited success!). I rebooted again and tried to reinstall IIS - it reported an error (no meaningful message) and requested another reboot. The event log includes the following errors: The World Wide Web Publishing Service (WWW Service) did not register the URL prefix http://*:80/gallery for site 1. The site has been disabled. and Unable to bind to the underlying transport for [::]:80. The IP Listen-Only list may contain a reference to an interface which may not exist on this machine. I'd like to avoid another rebuild. Can I completely remove IIS, such that I can reinstall it from scratch? Or can I 'fix' the current setup so that IIS will reinstall over what is already there?

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• Poor SSL performance with vsftpd

  - by petrus

  I'm trying to tweak vsftpd to achieve maximum performance for my usage: I have only one or two clients that connect to the server. File size is between ~15MB and 1GB. Typical transfer batch represent between 1 and 2GB of data. For testing purposes, I'm using a tmpfs on both sides (thus eliminating any disks bottleneck) with a single 1GB file. When SSL is disabled, performance is good, with a transfer rate at ~120MB/s (reaching the limits of gigabit networking). With SSL enabled only for control traffic (and not data traffic), performance drops at about 112MB/s, which is still within the acceptable limits. However, when SSL is enabled for data flows, the transfer speed drops dramatically: 6.7MB/s using 3DES & SHA (ssl_ciphers=DES-CBC3-SHA in vsftpd.conf) 16MB/s using DES & SHA (ssl_ciphers=DES-CBC-SHA) I didn't tested other ciphers, but from what I can see from the CPU usage during the transfer, it seems that vsftpd is only using a single cpu/core per client. While this can fit for large ftp sites with hundreds of clients, I'd like to avoid this behavior and use more ressources on the server. On a side note, if you have any ideas regarding other openssl ciphers...

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• Firefox 29 - how do I delete history entries visited fewer than x times

  - by lousyuser

  Context: I've been using my Firefox profile for a couple of years now. My history file has become huge, naturally. I got Firefox Sync set up between my main desktop PC and my laptop. HW configs: PC: i5-3450, 8 GB DDR3 RAM, Crucial M4 128 GB SSD laptop: Pentium SU4100, 4 GB DDR3 RAM, WD 5400 rpm HDD Accessing history entries when typing into the Awesome Bar on my desktop takes quite a long time despite the decent config, the laptop is even slower. The experience is quite unresponsive. I figured if I cleared the history up a little bit, I might avoid creating a new profile to speed things up. The question itself: to illustrate: Is there a way to delete all history entries that have been visited fewer than x (let's say 5) times and at the same time the recent visit is fewer than y (let's say 120) days old? afaik the history file is some kind of SQL database, but I'm not really sure how the data is saved, if there's a "safe way" to edit it and what the query to do what I need would look like. Thanks in advance for any help. I kept browsing through previous SuperUser questions to see if I could find relevant information. "In my Firefox profile directory, there is a filed named places.sqlite. Opening it with sqlite reveals (amongst others) the tables moz_places and moz_historyvisits. It seems that moz_historyvisits uses the primary of moz_places to refer to the URLs." As I'm unfamiliar with databases, I don't really understand the way the two tables mentioned in the quote are related. screenshot of a part of the tables I've noticed the visit_count is in a standard format, making it easy to work with. The last_visit_date looks encrypted to my naked eye, but I can't see in which way. Hope that helps, I'm at my wits' end.

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• Question about domain name registration

  - by Obay

  I received the following email from a certain [email protected] YYY is a company name ZZZ is OUR company name Dear Manager, We are a professional intellectual property rights consultant organization, mainly deal with the global domain name registration and internet intellectual property rights protection. On March. 24th, 2010, we formally received an application from YYY, they applied to register the internet brand “ZZZ” and some relevant domain names with our organization. During our preliminary investigation, we found that these domain names' keyword is fully identical with your trademark. Therefore, we need to confirm with you, whether you consigned YYY to register these domain names with us or not? Or, is YYY your business partner or distributor? If you have no relationship with this company, we assume that they have other purposes to obtain these domain names. Currently, we have already suspended this company's application temporarily due to the seriousness of this isuue. In order to avoid the vicious domain name grabbing, please let the relevant person make a confirmation with me via telephone or email as soon as possible. Thank you for your support to our work! Best Regards XXX Tel: xxxxx-xxxx xxxx Fax: xxxxx-xxxx xxxx Email: [email protected] www.world-wtc.cn This seems legit, or is it? By the way, XXX is just a first name, not a complete name.

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• SSO "Portal"

  - by Clinton Blackmore

  Pursuant to my question on alleviating the password explosion, I've contacted some of the services to whom we are paying money to access their websites to ask if we could authenticate our own users, and some of them said yes and send me specs on how to do so. (One of the sites called such a system a page a "portal"; I've never heard the term used in quite that way.) It is simple enough that I am tempted to roll my own. The largest complication is that one site wants us to store a key for every user in our database (and I think the LDAP database makes sense) after their initial login. So, non-trivial, but doable. The nature of these sorts of tasks, I expect, is that if they start out small and simple, they don't end that way. There must be some software that addresses this that is readily extended, surely. In my searching, I've come across: SimpleSAMLphp JOSSO RubyCAS-Server Shibboleth Pubcookie OpenID [Wow, gee. I'd missed some of those in my previous searches! The wikipedia page on Central Authentication Services is useful, and the section on Alternatives to OpenID makes it look like there is a lot of choice.] Can anyone recommend any of these, or suggest ones to avoid? Internally, we are authenticating using Apple's Open Directory [ == OpenLDAP + Kerberos + Password Server (which, I believe, == SAML) ]. As far as extending/tweaking/advanced configuration of a system, I am able to program in Python, C++, can do some basic PHP, and may be able to remember some Java. Looks like I need to pick up Ruby at some point. Addendum: I would also like users to be able to change their passwords over the web (and for certain users to change passwords of other users).

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• How to send Content-Disposition headers in apache for files?

  - by Rory McCann

  I have a directory of text files that I'm serving out with apache 2. Normally when I (or any user) access the files they see them in their browser. I want to 'force'* the web browser to pop up a 'Save as' dialog box. I know this is possible to do with the Content-Disposition headers (more info). Is there some way to turn that on for each file? Ideally I'd like something like this: <Directory textfiles> AutoAddContentDispositionHeaders On </Directory> And then apache would set the correct content disposition header, including using the same filename. Something like this might be possible with the apache Header directive. Bonus points if it's included by standing in apache in debian. I could do a simple PHP wrapper script that takes in a filename argument, makes the call to header(...) and then prints the file, but then i have to validdate input etc. that's work I'm trying to avoid. * I know you can't actually force things when it comes to the web

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• How have I locked me out from my Ubuntu VPS?

  - by Sanoj

  I have a Ubuntu Server as VPS (OpenVZ), and yesterday I installed php-fpm, but I guess something went wrong with the installation. Because since then I cannot log in to my server over SSH with PuTTY or using WinSCP. The message I get when connecting is Network error: Connection timed out. Immediately after the installation I was not able to use emacs either, I had to re-install it with apt-get install emacs. I have tried with clearing the firewall and rebooting the server from my web-based "control panel", but it doesn't help. The commands I used for installation of the PHP-fpm was from Installing PHP 5.3, Nginx And PHP-fpm On Ubuntu/Debian. And I guess it has something to do with these commands: cd /tmp wget http://us.archive.ubuntu.com/ubuntu/pool/main/k/krb5/libkrb53_1.6.dfsg.4~beta1-5ubuntu2_i386.deb wget http://us.archive.ubuntu.com/ubuntu/pool/main/i/icu/libicu38_3.8-6ubuntu0.2_i386.deb sudo dpkg -i *.deb sudo echo "deb http://php53.dotdeb.org stable all" >> /etc/apt/sources.list sudo apt-get update sudo apt-get install php5-cli php5-common php5-suhosin sudo apt-get install php5-fpm php5-cgi The web-sites that are hosted from my server works fine. Anyone that have the same experience or know how this could happen? I guess that I have to re-install Ubuntu Server from my "control panel" now, but I would like to avoid this situation in the future. Finally, I have backup on everything so nothing is lost if I have to re-install the machine.

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• Windows XP can use a wired network port, but MacBook (OS X) fails on the same port

  - by Dean Hill

  I wired the Cat5 in my house seven years ago. The wired ports have worked fine with both my Windows XP laptop and MacBook. My wireless network also works fine, but I like to use wired occasionally. One of the Cat5 runs wasn't terminated with a jack, so I recently terminated this wire with a port/jack on the wall end and a standard Cat5 plug on the end that plugs into my router. This is the same setup as my other runs. Unfortunately, the MacBook isn't working well with the new wired port. The OS X Network System Preferences show the IP, Subnet, Router, etc., and everything looks fine. A "netstat -ibd" shows no errors or dropped packets. However, when I open a page in Safari, the status says "Contacting 'www.google.com'" and appears to hang. If I wait for a couple minutes, part of the Google page starts to display, but it is still not the full page load. When I use a Windows XP laptop on the same wired port, everything works fine. An internet speed test shows good results and all web pages load fine. A "netstat -e" under Windows shows no errors. I've used a Cat5 tester, and the cable tests fine (wires 1-8 light up in sequence). I've replaced both the port/jack and the connector twice to make sure I wired things correctly. I'd really like this Cat5 to work with the MacBook (and I'm trying to avoid running a new length of cable). Any ideas what the problem could be?

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