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• FTP Scripting Capabilities

  - by lmg

  I am looking for an FTP client that will allow me to do the following Include a GUI for setting up a number of FTP connections Support FTPS Run unattended on Windows Server 2008 Retry failed transactions Support email Support custom scripts I need to pull files from a few different servers and there are certain calculations that need to be done depending on which server the files come from. I've looked at SmartFTP and it looks like pretty much what I need except I can't get it to run as a Windows Scheduled Task (I currently have some support threads open in their forum). I've also looked at a few other FTP clients (Filezilla, RoboFTP, and AutoFTP (you can find the Windows 7 BSOD in this one!)) that haven't had the capabilities I'm looking for. Right now, I'm looking at WS_FTP and its scripting capabilities. It appears I can create a script to run as a scheduled task, but I can't add the script to a file transfer task. Does anyone have suggestions on how I can do post-transfer processing on the files or better yet how to integrate scripting into the file transfer task? I'm also open to other suggestions for FTP clients as well if you have them! If I can't find a suitable FTP client, custom scripting will just have to do the trick.

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• How can I diagnose what's causing Outlook 2007 when sending an attachment to fail with error 800CCC0F even though the message was sent?

  - by James

  As the title suggests, I've got an issue where outlook 2007 is reporting it failed to send email with error 800ccc0f (unexpectedly terminated connection) but only with attachments. The email is actually sent, but outlook keeps retrying (stays in the outbox), generating more emails to the original recipient (which do get delivered) I've got QMail on the server side supporting a half dozen domains. It doesn't appear to matter which account I send from. I can successfully send attachments via alternate mail clients (webmail, thunderbird) while outlook is failing, or send messages without attachments; so it's seemingly not the accounts themselves or serverside, which leaves outlook as the culprit. There doesn't appear to be any pattern to the failures, and it's not consistent (I successfully sent an attachment as recently as 3 weeks ago) so I'm at a loss as to where to look. Qmail logs don't look any different between successes and failures. Has anybody seen this before/have a solution? UPDATE : It appears it's only PDF files that this occurs with, so I'm even more stumped. I can send html/docx/txt and zip, UNLESS the zip file contains a pdf ... whiskey tango foxtrot

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• different user group can not upload file in the server

  - by Dallal

  I have a CentOS server running in Thailand, and I'm in Canada. The guy at the computer center who set up the server for me doesn't really understand much about linux and left me off an issue to solve myself. I just moved from Mac Server to Linux server, and the first thing I'm facing a problem now is `file name` has failed to upload due to an error The uploaded file could not be moved to `location name` So what happen is that I knew from my experiences of these problem is all about permissions. So I go ahead and checked on my whole folder and found that everything in the folder permission is like myusername mygroupname then I checked the httpd file in the server and it is default to apache apache. My question is that how can I make my user to be in the same group with apache group so that I don't have to have any problem about uploading, changing data in my file....? But without having to affect other user in the same server. I'm holding Administrator account, but not root account, but I can change stuff on the server root no problem. When I was with godaddy.com there never been any problem about the permission and I wish I know how they configure that :(

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• Troubleshooting DTCPing Errors

  - by JimmyP

  So I am running DTC ping between 2 machines on our network and am getting the following error ++++++++++++++++++++++++++++++++++++++++++++++ DTCping 1.9 Report for WEB2 ++++++++++++++++++++++++++++++++++++++++++++++ RPC server is ready ++++++++++++Validating Remote Computer Name++++++++++++ 03-03, 13:39:45.099-->Start DTC connection test Name Resolution: internal-->10.20.3.236-->internal.something 03-03, 13:39:45.114-->Start RPC test (WEB2-->internal) Problem:fail to invoke remote RPC method Error(0x6BA) at dtcping.cpp @303 -->RPC pinging exception -->1722(The RPC server is unavailable.) RPC test failed I have also run RPC ping where I get what I beleive is the same error: C:\Program Files\Windows Resource Kits\Tools>rpcping -s internal Exception 1722 (0x000006BA) Number of records is: 4 ProcessID is 5876 System Time is: 3/3/2011 2:44:12:822 Generating component is 8 Status is 1722 Detection location is 323 Flags is 0 NumberOfParameters is 0 ProcessID is 5876 System Time is: 3/3/2011 2:44:12:822 Generating component is 8 Status is 1237 Detection location is 313 Flags is 0 NumberOfParameters is 0 ProcessID is 5876 System Time is: 3/3/2011 2:44:12:822 Generating component is 8 Status is 10060 Detection location is 311 Flags is 0 NumberOfParameters is 3 Long val: 135 Pointer val: 0 Pointer val: 0 ProcessID is 5876 System Time is: 3/3/2011 2:44:12:822 Generating component is 8 Status is 10060 Detection location is 318 Flags is 0 NumberOfParameters is 0 I'm pretty sure that the exception number 1722 is the key but I can't find any info about it. There may be a firewall with ports that need opening between the machines which I am checking with our sys admins now. But I can do a regular ping between the machines. Other than that I am reading a lot of articles talking about OS services and components I know nothing about and am having trouble finding any info on. Can anyone shed any light on this? FYI the machine is running Windows Server 2003 RS SP2.

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• Unable to delete a file or take ownership on Win7x64

  - by Basic

  I'm a developer and as part of the build process, a Microsoft dll is copied to a certain folder. That file copy is now failing as the target can't be overwritten. I decided to delete it by hand (using an admin account but a non-elevated explorer) so browsed to the folder and attempted a delete. This failed (Require permission from the Administrator). The same applies when using an elevated explorer. So I tried Properties-Security-Advanced-Ownership The current owner is showing as Unable to display current owner. I can't take ownership (a simple Access Denied message with no elaboration). Elevated Command Prompt/PowerShell don't help either (both give an Access Denied in their own way). Process explorer shows no open handles on the file. Eventually, I booted to linux and deleted the file but what I'd like to know is what caused it? Security Essentials had no issues with the file. It's digitally signed by MS and the signatures match.

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• My server cant resolve domains?

  - by Nuker

  I am on a VPS that is pretty much unmanaged so it means im on my own. I did my best to configure it so i can host my own site for other people to see it online but seems like i have network problems because in the last days many of my users report they cant enter my site from my domain and seems like Google and Facebook cant either (this never happened before). Its weird because i can enter my site without problems and so many other people as well. But then i tried to make a php include and i get this error: Warning: include(): php_network_getaddresses: getaddrinfo failed: Name or service not known in I was told that seems like my server cant resolve domains. The includes work if i use IPs instead of domains. So it means i have a DNS problem or something? What can i do to fix it? Im on a Linux 2.6.32-431.11.2.el6.x86_64 on x86_64 CentOS Linux 6.5 Thank you. EDIT: i have this on my resolv.conf # Generated by NetworkManager # No nameservers found; try putting DNS servers into your # ifcfg files in /etc/sysconfig/network-scripts like so: # # DNS1=xxx.xxx.xxx.xxx # DNS2=xxx.xxx.xxx.xxx # DOMAIN=lab.foo.com bar.foo.com nameserver 8.8.8.8 nameserver 8.8.4.4

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• NginxHttpAuthBasicModule with Sinatra & Passenger

  - by scainey

  Hi, I'm serving static pages from a Sinatra application using Nginx. I've implemented Basic Authentication for one page on the site using NginxHttpAuthBasicModule, the authentication succeeds but Nginx doesn't resolve the link. Error log gives - 2010/03/22 12:15:19 [error] 7143#0: *2902 open() "/home/me/live/mysite_home/public /mypage" failed (2: No such file or directory), client: 82.71.18.122, server: mysite.com, request: "GET /mypage HTTP/1.1", host: "mysite.com" The actual file is found at: /home/me/live/mysite_home/live/mypage.erb The configuration file is: server { listen 80; server_name mysite.com; root /home/me/live/mysite_home/public; passenger_enabled on; location /mypage { auth_basic "Restricted"; auth_basic_user_file htpasswd; } } server { listen 443; server_name mysite.com; root /home/me/live/mysite_home/public; passenger_enabled on; ssl on; ssl_certificate /etc/nginx/conf/certs/server.crt; ssl_certificate_key /etc/nginx/conf/certs/server.key; keepalive_timeout 70; location /mypage { auth_basic "Restricted"; auth_basic_user_file htpasswd; } } Not sure if this is a Sinatra, Passenger or Nginx thing, or if I'm just missing something.

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• TGT validation fails, but only for one user

  - by wzzrd

  I'm seeing the weirdest thing here. I have a couple of RHEL3, 4 and 5 machines that validate user credentials through Kerberos with an Active Directoy domain controller as their KDC. This works for all of my users, save one. There is one account that is unable to log into RHEL3 Linux machines and generates the following errors there: May 31 13:53:19 mybox sshd(pam_unix)[7186]: authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=10.0.0.1 user=user May 31 13:53:20 mybox sshd[7186]: pam_krb5: TGT verification failed for `user' May 31 13:53:20 mybox sshd[7186]: pam_krb5: authentication fails for `user' Other accounts, like my own, are fine: May 31 17:25:30 mybox sshd(pam_unix)[12913]: authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=10.0.0.1 user=myuser May 31 17:25:31 mybox sshd[12913]: pam_krb5: TGT for myuser successfully verified May 31 17:25:31 mybox sshd[12913]: pam_krb5: authentication succeeds for `myuser' May 31 17:25:31 mybox sshd(pam_unix)[12915]: session opened for user myuser by (uid=0) As you can see, TGT validation fails. This only happens for this specific account, not for any other. The failing useraccount's password has been reset, I inspected both user objects in Active Directory, but I see nothing out of the ordinary. If I have the failing useraccount log into a RHEL4 or 5 box, there is not problem, so it must be RHEL3 specific, but the fact that only one account suffers from this, alludes me. Maybe someone has seen this before?

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• Cheated!! Please help

  - by Rohit K

  I was experiencing some hard disk problem with my HP laptop. It showed at bootup as system diagnostics are run -- Smart Drive attribute failed. Also i repeatedly got a warning for imminent hard drive failure and thus to back up my data. So i gave my laptop to authorized HP service center for repair. They formatted my hard disk and installed a pirated copy of Win 7 Ultimate (i earlier had genuine Win 7 Home Premium running on my laptop) and they told me they cover out-of-warranty issues and even charged me for it. What's worse is that the hard drive problem is still present and all i am left with is an illegal copy of windows which i think also voids my warranty. What should i do? I mean i did purchase a genuine Windows with my laptop, so there must be some way to reinstall it even when i don't have a genuine copy now on my machine. Can't i get legit keys to reinstall Win 7 from Microsoft because i did pay for the software when i purchased my machine. And if that's not possible, how can i claim warranty and get my hard disk replaced by HP?

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• Windows 7 : access denied to ONE server from ONE computer

  - by Gregory MOUSSAT

  We have a domain served by some Windows 2003 servers. We have several Windows 7 Pro clients. ONE client computer can't acces ONE member Windows 2003 server. The other computers can acces every servers. And the same computer can access other servers. With explorer, the message says the account is no activated. With the command line, the message says the account is locked. With commande line : net use X: \\server\share --> several seconds delay, then error (says the account is locked) net use X: \\server\share /USER:current_username --> okay net use X: \\server\share /USER:domain_name\current_username --> okay From the same computer, the user can access other servers. From another computer, the same user can access any server, including the one denied from the original computer. Aleady done : unjoin then join the cilent from the domain. check the logs on the server : nothing about the failed attempts (?!) Is their any user mapping I'm not aware of ?

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• USB Diskdrive cannot be formatted nor accessed

  - by Dmolish

  So I have just recently bought and 8GB USB stick(Kingston DT 100 G2) on which I had installed Linux. However I needed to reinstall said Linux so I formatted the stick to "default" settings which includes FAT32 filesystem. Later when the install process kept getting errors, I got advice that the problem might be with the FAT filesystem. I decided to try and format the stick to NTSF (format G:/fs:ntsf) but the formatting failed and the drive broke down. And with breaking down I mean you cannot access the drive anymore and when you plug it in Windows asks if I want to format the drive but despite my will the format always fails. To fix this I tried changing it back to FAT32 (format G:/fs:fat32), but i get "Error in IOCTL-call". Second thing I tried was trying to reset the filesystem with some 3rd party application like HP USB Disk Storage Format Tool. But the programs didn´t regocnize any media on the drive. So now I´m in the situation that I haven´t got any idea on what to do next. Is the drive recoverable or did I just create a piece of waste metal.

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• Burning Linux ISO to DVD and making it bootable.

  - by toc777

  Hi everyone, I just downloaded the Fedora 14 Live-Desktop ISO and used CDBurnerXP to burn the image to a DVD. For some reason the first time I burned the image nothing showed up on the DVD when I accessed it even though CDBurnerXP said it had successfully burned to the disk. I did it again and the ISO shows up on the disk (I don't think this is right, should it be the files inside the image that show up on disk or the image file??). The problem now is my dell PC can't find the ISO when I try to boot from it. I get an error saying it can't boot from the CD. I have verified the ISO image as directed from the Fedora website. My question is how do I make a bootable CD from a Fedora Live-Desktop ISO? How can I verify that the ISO was written to the CD correctly and has anyone had any issues booting from a CD using a Dell desktop (I'm not at home at the moment so I can't check what model it is but its old enough, I've had it for about 5 years). EDIT: All that needed to be done was to burn the image to CD as an image and not a data file. The first three times failed, I'm not sure if this was because of faulty DVD's or if the write speed was too high (16x). I put in a new DVD and changed the write speed to 8x, the image was then properly burned to the disk without any errors. Thanks.

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• vmware server 64 bit on ubuntu 9.10 64 bit with P2V windows 2003 SBS poor network speed

  - by RobertHC

  configuration is ubuntu 2.6.31-21 64 bit vmware 2.0.2 64 bit last release hardware is core 2 quad with 8GB ram guest is win 2003 server SBS 32 bit Dear friends, we have a converted physical to virtual windows sbs 2003, converted with last converter available nowadays http://www.vmware.com/products/converter/ vCenter converter. Running the P2V 2K3 SBS on vmware server, it does boot fine, but we do note an abnormal CPU activity and a poor lan speed. As attempts we did what follow. We removed all unneeded peripherals, we removed one NIC (phisycal server was 2 nics), we changed the vmx to ged the nic recognized as intel instead than amd, we removed 1 cpu (physical was 2 cpu), we removed anything was reported as failed driver from system events monitor. Nothing to do, no way and funny results. Let's read some tests results. All are made with the same file copied in different source folders. Copying from client side (both directions copy, to/from server) results are i.e. 10 seconds, copying the same files from server side (again from and to server) results are different... from client to server, speed is round about (bit more) 10 seconds, but from server to client direction is slower: double the time. Beeing very fast and launching a simultaneous copy "from server to client"+"from client to server", this made from the server side, results in a stuck traffic... 45 seconds to do the copy. vmware tools are installed and e1000 driver has been updated. With one processor CPU activity is still going up and down but much less than with two. Because of test, we installed win 2k8 STD 64 bit. We repeated all the above tests with exactly the same file result is just one: always 5 seconds (this matches the lan speed) Any idea about this issue is welcome and thank you if any. Kind regards R.

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• ZFS Data Loss Scenarios

  - by Obtuse

  I'm looking toward building a largish ZFS Pool (150TB+), and I'd like to hear people experiences about data loss scenarios due to failed hardware, in particular, distinguishing between instances where just some data is lost vs. the whole filesystem (of if there even is such a distinction in ZFS). For example: let's say a vdev is lost due to a failure like an external drive enclosure losing power, or a controller card failing. From what I've read the pool should go into a faulted mode, but if the vdev is returned the pool should recover? or not? or if the vdev is partially damaged, does one lose the whole pool, some files, etc.? What happens if a ZIL device fails? Or just one of several ZILs? Truly any and all anecdotes or hypothetical scenarios backed by deep technical knowledge are appreciated! Thanks! Update: We're doing this on the cheap since we are a small business (9 people or so) but we generate a fair amount of imaging data. The data is mostly smallish files, by my count about 500k files per TB. The data is important but not uber-critical. We are planning to use the ZFS pool to mirror 48TB "live" data array (in use for 3 years or so), and use the the rest of the storage for 'archived' data. The pool will be shared using NFS. The rack is supposedly on a building backup generator line, and we have two APC UPSes capable of powering the rack at full load for 5 mins or so.

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• Can you explain how to understand what the 'iwconfig' command displays in Ubuntu-9.04?

  - by Shawn

  I'm having trouble making my wireless connection work, and I realized I don't really know how to use the tools I have, in this case, the iwconfig command in Ubuntu-9.04. Here is what I get: ***iwconfig*** - lo no wireless extensions. eth0 no wireless extensions. wmaster0 no wireless extensions. wlan0 IEEE 802.11bgn ESSID:"Network" Mode:Managed Frequency:2.412 GHz Access Point: Not-Associated Tx-Power=20 dBm Retry min limit:7 RTS thr:off Fragment thr=2352 B Power Management:off Link Quality:0 Signal level:0 Noise level:0 Rx invalid nwid:0 Rx invalid crypt:0 Rx invalid frag:0 Tx excessive retries:0 Invalid misc:0 Missed beacon:0 vboxnet0 no wireless extensions. pan0 no wireless extensions. "Network" is the name of my wireless network, btw. But what does this all mean? How can this information help me aquire a working wireless connection? When I try associating a key using sudo iwconfig wlan0 key s:my_key I get the following error message: Error for wireless request "Set Encode" (8B2A) : SET failed on device wlan0 ; Invalid argument. I do have the right key though, so what's the problem?

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• Users Password does not reset after successful login at the console but works fine with SSH

  - by jnbbender

  The title says it all. I have my unsuccessful login attempts set to three. I purposefully fail logging in 2x, then when I SSH into the box successfully the 3rd time my count drops back to zero; exactly what should happen. But at the console I get failed login attempts EVEN for my successful login attempts. I am using RHEL 5.6 and no I am not able to upgrade. Here is my system-auth file: auth required pam_env.so auth required pam_tally.so onerr=fail deny=3 per_user auth sufficient pam_unix.so nullok try_first_pass auth requisite pam_succeed_if.so uid >= 500 quiet auth required pam_deny.so account required pam_unix.so account required pam_tally.so account sufficient pam_succeed_if.so uid < 500 quiet account required pam_permit.so password requisite pam_cracklib.so try_first_pass retry=3 password sufficient pam_unix.so md5 shadow nullok try_first_pass use_authtok password required pam_deny.so session optional pam_keyinit.co revoke session required pam_limits.so session [success=1 default=ignore] pam_succeed_if.so service in crond quiet use_uid session required pam_unix.so I have tried adding reset after and in place of per_user in the auth required pam_tally.so field. Nothing seems to work and I don't know why SSH is working just fine. Any ideas?

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• "Permission denied" & 500 Internal Server error serving PHP in Mac OS X

  - by Abhic

  I just set up Web Sharing in Mac OS X 10.6.2 Snow Leopard. My httpd.conf allows for ExecCGI and all the folders and files are readable by everybody and even writable by me. I put a simple Hello World in index.php in my base site and yet my apache error log shows this: [Thu Mar 18 00:17:18 2010] [error] [client 192.168.11.135] (13)Permission denied: exec of '/Users/abhic/Sites/index.php' failed [Thu Mar 18 00:17:18 2010] [error] [client 192.168.11.135] Premature end of script headers: index.php <html> <head> <title> Hello </title> </head> <body> <?php echo "Hello"; ?> </body> </html> is what my index.php looks like placed in /Users/abhic/Sites My browser shows a 500 Internal Server Error Any help would do me good in the middle of the night. I have been trying to solve this for way too long. Thank you.

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• Computer makes odd noise. Replace almost every component. Computer still makes odd noise.

  - by ShimmerGeek

  My PC was getting pretty old, 5 years or so, and over the course of it's life I replaced the graphics card, HDD and a couple of sticks of RAM; but the PSU, processor, motherboard, fans etc. were all original. A few weeks ago, I started hearing an odd noise. I struggle to describe it, it sounded sortof like the 'click of death' you hear when a HDD may fail, but not quite... (And it was far less irregular) Also, I was sure I heard it once or twice a minute or two after I shut down the PC. This was going on very irregularly for a couple weeks. Some days I would hear no noise at all, others I would hear it often, maybe once every 30 seconds or so. I could find no common denominator - i.e. it did not happen more during gaming or any other intensive use. Anyway, I need my PC to sit some classes over the summer, so I put it in for them to run a HDD stress test and to replace a bunch of the components. I ended up replacing almost everything - the only elements I still have are my blu-ray drive and graphics card. They said when they started to run the HDD stress test it failed instantly (They started the test and it immediately said 'Test Complete' so they assumed it was at fault, and put a new HDD in since I was still under warranty with them.) I took it home a few hours ago, and I am still hearing the noise!!! Do you guys have any theories? I'm getting a little worried, I can't afford for my PC to suddenly fail during the next month - I have a lot of coursework to do. Any thoughts? Is it possible it could be the fan on the graphics card? I'm confused because it's so irregular. Any help would be much appreciated.

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• How to configure SVN server for my own project

  - by user1729952

  I work with a team on an Android project using Eclipse IDE, we need to use a version control and we need to access the repo remotely, I have no experience using or installing servers, a little experience using SVN on Windows, but I still have problems connecting to it remotely. I need to use no-ip.com to change my IP, however; I failed to make VisualSVN server to work with no-ip. What options do I have? The best thing is to get it work with Windows if not, I have another computer that is running Ubuntu 12.4.1, I have installed apache2svn on it trying to get it work, the svn is installed, I went through tutorials to configure accessing protocols, but I can't figure out how to access it remotely from another computer? Can someone tell me the steps I need to get this job done and I can do my search for each step? (Please explain each step as some keywords or phrases I may not be familiar with) EDIT: Also worth noting, that my company has a website hosted on a remote server, can we use it as a repo? and how? It's running Linux

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• Transferring files from ftp to local system

  - by Ramkrishnan

  I want to copy a file from FTP and save it to my local system. I want to run this through batch file. I am trying this for a week. But I couldn't find the solution. Anyone help me please.... This is my actual work Want to copy a file named "Friday.bat" from ftp://172.16.3.132 (with username and password) So i use the below codings: @echo off @ftp -i -s:"%~f0"&GOTO:EOF open 172.16.3.132 mmftp ((((pasword entered here))))) binary get Friday.bat pause Result: ftp> @echo off ftp> @ftp -i -s:"%~f0"&GOTO:EOF Invalid command. ftp> open 172.16.3.132 Connected to 172.16.3.132. 220 Welcome to ABL FTP service. User (172.16.3.132:(none)): 331 Please specify the password. 230 Login successful. ftp> binary 200 Switching to Binary mode. ftp> get Friday.bat 200 PORT command successful. Consider using PASV. 550 Failed to open file. ftp> pause Finally, a file named Friday.bat is copied to my local system with 0 bytes and I am not able to open it

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• How to copy a large LVM volume (14TB) from one server to another?

  - by bruce

  I have to copy a very large LVM volume from server A to server B. Below is the filesystem of server A and server B Server A [root@AVDVD-Filer ~]# df -h Filesystem Size Used Avail Use% Mounted on /dev/mapper/vg_avdvdfiler-lv_root 16T 14T 1.5T 91% / tmpfs 3.0G 0 3.0G 0% /dev/shm /dev/cciss/c0d0p1 194M 23M 162M 13% /boot /dev/mapper/vg_avdvdfiler-test 2.3T 201M 2.1T 1% /test /dev/sr0 3.3G 3.3G 0 100% /mnt server B [root@localhost ~]# df -h Filesystem Size Used Avail Use% Mounted on /dev/mapper/VolGroup-LogVol00 20G 2.5G 16G 14% / tmpfs 3.0G 0 3.0G 0% /dev/shm /dev/cciss/c0d0p1 194M 23M 162M 13% /boot /dev/mapper/VolGroup00-LogVol00 16T 133M 15T 1% /xiangao/lv1 /dev/mapper/VolGroup00-LogVol01 4.7T 190M 4.5T 1% /xiangao/lv2 I want to copy the LVM volume /dev/mapper/vg_avdvdfiler-lv_root on server A to LVM volume /dev/mapper/VolGroup00-LogVol00 on server B. Server A and server B are in the same IP segment. In the LVM volume on server A, there is all average 500M avi wmv mp4 etc. I tried mounting /dev/mapper/vg_avdvdfiler-lv_root on server A to server B through NFS, then use cp to copy. It is clear I failed. Because the LVM volume is too big, I do not have good idea why. I hope a good solution here.

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• using virtual machine like mySql server

  - by ffmm

  i'm developing a java program and i need a database. Now i'm using MAMP and it's pretty easy but i would have a virtual machine (ubuntu server) and i need to connect my java program with this virtual machine using vitualBox. the situation: I installed VirtualBox on my mac and I installed an ubuntu-server machine set "bridge adapter" in the network settings of VB I installed mysql on ubuntu-server and i created a simple database (all work well by ubuntu) doing ifconfig by ubuntu I get the ip: 192.168.1.217 so in the java program i made this function: public static Connection connect(String host, int port, String dbName, String user, String passwd) { Connection dbConnection = null; try { String dbString = null; Class.forName("com.mysql.jdbc.Driver").newInstance(); dbString = "jdbc:mysql://" + host + ":" + port + "/" + dbName; dbConnection = DriverManager.getConnection(dbString, user, passwd); } catch (Exception e) { System.err.println("Failed to connect with the DB"); e.printStackTrace(); } return dbConnection; } and in the main() i use: Connection con = connect(1, "192.168.1.217", 3306, "Ciao", "root", "cocacola"); 3306 was a default value. I don't know if is correct, it works on mamp, but…. how I can find the correct port that I have to use with VB? when I ran the program I get the catch excepion… what's wrong? ps: i have to install apache o something else?

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• How to diagnose computer freezing problem

  - by reinierpost

  I have a laptop (a Medion from Aldi) that tends to hang quite often - so often, in fact, that several attempts to install Windows XP or Ubuntu on it have all failed. However, I am able to boot and run Ubuntu as found on the standard Ubuntu 10.10 installation image. I have done this two times thus far. The first time everything was running smoothly, until at some point the GUI (i.e. X) became unresponsive. The cursor kept moving with the mouse, but menus would no longer show and clicking things no longer produced any response. So I switched to the consoles (Ctrl-F1, Ctrl-F2, etc., which in this setup automatically run shells. The shells were still responsive, and the cd command would still work, but any command that invoked an executable (e.g. /bin/ls or cd /bin; ./find caused the shell to hang up uninterruptibly. My hypothesis was that all attempts at disk access were hanging up, but I didn't actually try a command like echo /proc/$$ or while read line; do echo $line; done < /var/log/syslog to verify this. Another possibility is that an essential system library is cached in memory and somehow failing to function properly. The second time I left the system running overnight and it didn't hang itself spontaneously. I'm not sure I have the patience to just twiddle with the running system until the condition reappears, and I'm, not sure what to do once it does. Clearly we can rule out a software cause. It seems disk access related, but clearly it's not permanent hard disk failure because the system will reboot just fine. What kind of hardware problem might produce these symptoms? Can it be a memory problem?

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• NginxHttpAuthBasicModule with Sinatra & Passenger

  - by scainey

  I'm serving static pages from a Sinatra application using Nginx. I've implemented Basic Authentication for one page on the site using NginxHttpAuthBasicModule, the authentication succeeds but Nginx doesn't resolve the link. Error log gives - 2010/03/22 12:15:19 [error] 7143#0: *2902 open() "/home/me/live/mysite_home/public /mypage" failed (2: No such file or directory), client: 82.71.18.122, server: mysite.com, request: "GET /mypage HTTP/1.1", host: "mysite.com" The actual file is found at: /home/me/live/mysite_home/live/mypage.erb The configuration file is: server { listen 80; server_name mysite.com; root /home/me/live/mysite_home/public; passenger_enabled on; location /mypage { auth_basic "Restricted"; auth_basic_user_file htpasswd; } } server { listen 443; server_name mysite.com; root /home/me/live/mysite_home/public; passenger_enabled on; ssl on; ssl_certificate /etc/nginx/conf/certs/server.crt; ssl_certificate_key /etc/nginx/conf/certs/server.key; keepalive_timeout 70; location /mypage { auth_basic "Restricted"; auth_basic_user_file htpasswd; } } Not sure if this is a Sinatra, Passenger or Nginx thing, or if I'm just missing something.

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• Can you explain how to understand what the 'iwconfig' command displays in Ubuntu-9.04?

  - by Shawn

  I'm having trouble making my wireless connection work, and I realized I don't really know how to use the tools I have, in this case, the iwconfig command in Ubuntu-9.04. Here is what I get: ***iwconfig*** - lo no wireless extensions. eth0 no wireless extensions. wmaster0 no wireless extensions. wlan0 IEEE 802.11bgn ESSID:"Network" Mode:Managed Frequency:2.412 GHz Access Point: Not-Associated Tx-Power=20 dBm Retry min limit:7 RTS thr:off Fragment thr=2352 B Power Management:off Link Quality:0 Signal level:0 Noise level:0 Rx invalid nwid:0 Rx invalid crypt:0 Rx invalid frag:0 Tx excessive retries:0 Invalid misc:0 Missed beacon:0 vboxnet0 no wireless extensions. pan0 no wireless extensions. "Network" is the name of my wireless network, btw. But what does this all mean? How can this information help me aquire a working wireless connection? When I try associating a key using sudo iwconfig wlan0 key s:my_key I get the following error message: Error for wireless request "Set Encode" (8B2A) : SET failed on device wlan0 ; Invalid argument. I do have the right key though, so what's the problem?

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