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• Debian, Apache2, CGI: paths issue

  - by Bubnoff

  I have a perl form email script on the servers cgi-bin directory ( /usr/lib/cgi-bin ). /etc/apache2/sites-enabled/000-default ScriptAlias /cgi-bin/ /usr/lib/cgi-bin/ <Directory "/usr/lib/cgi-bin"> AllowOverride None Options +ExecCGI -MultiViews +SymLinksIfOwnerMatch AddHandler cgi-script cgi pl Order allow,deny Allow from all </Directory> The issue is with paths. html calls script here: <form name="Request" method="post" action="http://server-test.local/cgi-bin/formprocessorpro.pl" onsubmit="return checkWholeForm49874(this)"> The directory with the templates and configs is passed here: <input type="hidden" name="base_path" value="../contact" /> The path to this form is: http://server-test.local/formstest/contact.htm No matter what variation I try for the base_path I get an error from the formprocessor script that it can't find the directory: An error occurred when opening the Form Configuration File (../contact/form.cfg): No such file or directory. I need to move this script from an old server, configured by a previous sysadmin, to a new server. Since cgi-bin is automatically linked to /usr/lib/cgi-bin and linked such that the script resides: http://server-test.local/cgi-bin/formprocessorpro.pl I would imagine that, given that the templates are in the webroot in a directory called contact, the correct path would be: ../contact Any ideas? It's been awhile since I've messed with CGI. Bubnoff

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• Thumbnail generation with imagemagick doesn't render the correct colors

  - by Bastien

  Generating thumbnails of PDFs with imagemagick sometimes renders incorrect colors. We're using an old version of imagemagick (6.5.7-8, that's the version installed on the heroku servers). Here is the command we're currently using: convert -size "725x1200>" -colorspace RGB -flatten -density 300 -quality 100 input.pdf output.jpg I've tried using different colorspaces like sRGB,YIQ,.. but none of them are rendering the color correctly. Using imagemagick-6.7.7-6 locally works so I've tried to bundle the 'convert' command within my application /bin directory, the command works but the result is still wrong, so it seems that the problem comes either from another imagemagick command used by 'convert' or from another library. Here's an example of the outputs: Correct output: http://i.stack.imgur.com/gf9eG.jpg Wrong output: http://i.stack.imgur.com/imUeD.jpg Strangely, with some pages of the same pdf the output is always correct. Any idea which library or command could be the issue, or if there is a proper set of options to pass to imagemagick to always get it right? Thanks in advance for your help.

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• Proper Imaging Procedures to Restore and Deploy Image with Separate System Reserved Partition

  - by alharaka

  UPDATE: As per my experience here, no one responded. If I do not hear back from TechNet forum members about it, I will post a bounty here, if it makes a difference. I have banged my head against a wall for what seems like all week. I am going to explain my simple procedure, and how none of it, absolutely none, seems to work afterword despite few alternatives and everyone on the internet telling assuming this is how to do it. Diskpart Commands to Create FS Structure REM Select the disk targeted for deployment. REM REM NOTE: Usually disk 0, but drive failure can make it external USB REM media. This will erase the drive regardless! select disk 0 REM Remove previous formatting. clean REM Create System Reserved partition bootloader and files. create partition primary size=100 REM Format the volume format fs=ntfs label="System Reserved" quick override noerr REM Assign the System Reserved partition the D: mount for now assign letter=C REM The main system partition, size not specified to occupy whole drive. create partition primary REM Format the volume format fs=ntfs quick override noerr REM Assign the OS partition the D: mount for now assign letter=D REM Make this the active/bootable partition. sel disk 0 sel partition 1 active REM Close out the diskpart session. exit Now, I thought this was madness, but it turns out the System Reserved partition and standard "System Partition" (C:, commonly both the boot and system volumes where you find the Windows directory AND the bootmgr/ntldr hardware files, this is where Windows 7 diverges) as mounted in the Windows PE session where I run these commands do not matter. See reference here. Since this needs to be BitLocker-ready, enter this crappy System Reserved partition that is separate 100MB of awesome that goes before the regular boot volume. I do this, then I proceed to the next step. Deploy System Reserved and Normal System Images REM C is still the "System Reserved Partition", and the image is just like it sounds. imagex /apply G:\images\systemreserved.wim 1 C: REM D is now what will be the C: system partition on reboot, supposedly. imagex /apply G:\images\testimage.wim 1 D: Reboot the system Now, the images I just captured should look good. This is not even sysprepped, but reapplying the same fscking image I prepared on the same reference workstation hours before. Problem is I get 0xc000000e could not detect the accessible boot device \Windows\system32\winload.exe or different kinds of nonsense revolving around being able to find the boot volume with all the right files. I try different variations of things, now none of them work. I tried repairs with bcdboot, with a fresh System Reserved partition or not, bootrec, and maually editing the damn BCD store with bcdedit. I tried finalizing the above process with and without bootsect /nt60 C: /force. I need to wrap up and automate this procedure. What am I doing wrong that does not make the image happy, but really just miserable.

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• Recovering a damaged microSDHC

  - by djechelon

  I just bought from eBay a Kingston 32GB microSDHC that was advertised as defective. The seller said that there could be formatting problems or with transfer of large files. Unfortunately, when I got it, it was a total mess. My Nikon camera doesn't read it at all (OK, maybe it doesn't support 32GB) My Linux laptop doesn't mount it: can't read superblock The same laptop refuses to mkfs.msdos because it failed whilst writing reserved sector The same laptop, under Windows, doesn't read nor format the card HTC HD2 mounts the MMC, allows me to write via USB, but is unable to open the just written files OK, folks, now you would say I would have to go through Paypal complaint... that's not that easy. I consciously bought a half-price card that was known to show some defects, and Paypal complaints take time. Obviously, I can't accept somebody sold me a completely use-less computer decoration. So I'll keep it as last option. My question is Do you know a way, under either Linux or Windows, to thoroughly scan, test and possibly repair memory cards, even if I have to lose some percentage of space because of bad sectors? If I can keep at least half of the card intact it would certainly be fine. I used to do broken sector marking with hard disks in the past. I almost forgot: MONSTR:/home/djechelon # fsck /dev/mmcblk0p1 fsck from util-linux-ng 2.17.2 dosfsck 3.0.9, 31 Jan 2010, FAT32, LFN Read 512 bytes at 0:Input/output error

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• Rebuild Fedora 19 ISO adding Kickstart for USB install

  - by dooffas

  I am attempting to edit a Fedora 19 DVD ISO to add a kickstart file. I then need this ISO burnt to a USB stick for instillation. The error I get when booting is Warning: Could not boot. Warning: /dev/root does not exist To try and determine which part of the process is failing I have broken the process down in to separate stages. Step 1: Burn the original ISO "Fedora-19-x86_64-DVD.iso" (Available - here) to a pendrive and see if that will install. dd if=/path/to/iso of=/dev/sdc Burning this image was successful and it installed without issue. Step 2: Exctract the ISO, repackage it and burn it to a pendrive and see if that will install. PLEASE NOTE: The final command in this section has been broken down in to multiple lines for ease of reading, in fact it was run as a single command on one line. mkdir -p /mnt/linux mount -o loop /tmp/linux-install.iso /mnt/linux cd /mnt/ tar -cvf - linux | (cd /var/tmp/ && tar -xf - ) cd /var/tmp/linux xorriso -as mkisofs -R -J -V "NewFedoraImage" -o ouput/file.iso -b isolinux/isolinux.bin -c isolinux/boot.cat -no-emul-boot -boot-load-size 4 -boot-info-table -isohybrid-mbr /usr/share/syslinux/isohdpfx.bin . This iso was then burnt to a pendrive as before. dd if=/path/to/iso of=/dev/sdc This ISO burnt to the pen drive with no problem and will boot. I then see the fedora options screen. After choosing either "Install Fedora 19" or "Test this media & install Fedora 19" I then receive the errors highlighted above. This means the kickstart file is not to blame, but repackaging the ISO. Is there something I am missing in the repackaging process? Any input would be great! NOTE: If it is of any help, I attempted Step 2 with an Ubuntu server ISO and the process was successful.

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• 550 Requested action not taken: mailbox unavailable

  - by Porch

  I setup a small box with Server 2003 64bit to be used as a webserver and email server for a small school. Real simple stuff for a few users. A simple website and a handful of emails. rDNS and spf records setup and pass every test I found including test at dnsstuff.com. Email sending to almost every email address (google, hotmail, aol, whatever) works. However, with one domain, I get an bounce back with the error. 550 Requested action not taken: mailbox unavailable It's another school running Exchange judging from some packet sniffing with WireShark. Every email on this domain I have tried sending to gives this error. The email address is valid as I can send to it from my personal, and gmail account without a problem. Does anyone know of some anti-spam software that gives an 550 error like the above? What else could this be? Thanks for any suggestions. Packet capture of the two servers communicating look like this. 220 <server snip> Microsoft ESMTP MAIL Service, Version: 6.0.3790.3959 ready at Sat, 2 Oct 2010 12:48:17 -0700 EHLO <email snip> 250-<server snip> Hello [<ip snip>] 250-TURN 250-SIZE 250-ETRN 250-XXXXXXXXXX 250-DSN 250-ENHANCEDSTATUSCODES 250-8bitmime 250-BINARYMIME 250-XXXXXXXX 250-VRFY 250-X-EXPS GSSAPI NTLM LOGIN 250-X-EXPS=LOGIN 250-AUTH GSSAPI NTLM LOGIN 250-AUTH=LOGIN 250-X-LINK2STATE 250-XXXXXXX 250 OK MAIL FROM: <email snip> 250 2.1.0 <email snip>....Sender OK RCPT TO:<email snip> 250 2.1.5 <email snip> DATA 354 Start mail input; end with <CRLF>.<CRLF> <email body here> . 550 Requested action not taken: mailbox unavailable QUIT 221 Goodbye

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• Cannot get Windows snipping tool to auto run with AutoHotKey

  - by jasondavis

  I am trying to get Windows 7 sniping tool to run when I hit my PRINTSCREEN keyboard button with AUTOHOTKEY. I have been unsuccessful so far though. Here is what I have for the AutoHotKey script. I have tried this PRINTSCREEN::Run, c:\windows\system32\SnippingTool.exe and this PRINTSCREEN::Run, SnippingTool.exe and this PRINTSCREEN::Run, SnippingTool And all those give me this error when I hit the PRINTSCREEN button... It basicly says it cannot find the file, however the file path seems to be correct, I can copy paste it into a window and it opens the snipping tool, any ideas why it will not work? Here is the full code to my AHK file... ; ; AutoHotkey Version: 1.x ; Language: English ; Platform: Win7 ; Author: Jason Davis <friendproject@> ; ; Script Function: ; Template script (you can customize this template by editing "ShellNew\Template.ahk" in your Windows folder) ; #NoEnv ; Recommended for performance and compatibility with future AutoHotkey releases. SendMode Input ; Recommended for new scripts due to its superior speed and reliability. SetWorkingDir %A_ScriptDir% ; Ensures a consistent starting directory. /* PRINTSCREEN = Will run Windows 7 snipping tool */ PRINTSCREEN::Run, c:\windows\system32\SnippingTool.exe return

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• Iptables: "-p udp --state ESTABLISHED"

  - by chris_l

  Hi, let's look at these two iptables rules which are often used to allow outgoing DNS: iptables -A OUTPUT -p udp --sport 1024:65535 --dport 53 -m state --state NEW,ESTABLISHED -j ACCEPT iptables -A INPUT -p udp --sport 53 --dport 1024:65535 -m state --state ESTABLISHED -j ACCEPT My question is: How exactly should I understand the ESTABLISHED state in UDP? UDP is stateless. Here is my intuition - I'd like to know, if or where this is incorrect: The man page tells me this: state This module, when combined with connection tracking, allows access to the connection tracking state for this packet. --state ... So, iptables basically remembers the port number that was used for the outgoing packet (what else could it remember for a UDP packet?), and then allows the first incoming packet that is sent back within a short timeframe? An attacker would have to guess the port number (would that really be too hard?) About avoiding conflicts: The kernel keeps track of which ports are blocked (either by other services, or by previous outgoing UDP packets), so that these ports will not be used for new outgoing DNS packets within the timeframe? (What would happen, if I accidentally tried to start a service on that port within the timeframe - would that attempt be denied/blocked?) Please find all errors in the above text :-) Thanks, Chris

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• postfix smtpd rejecting mail from outside network match_list_match: no match

  - by Loopo

  My postfix (V: 2.5.5-1.1) running on ubuntu server (9.04) started to reject mail arriving in from outside about 2 weeks ago. Doing a "manual" session via telnet shows that the connection is always closed after the MAIL FROM: [email protected] line is input, with the message "Connection closed by foreign host." Doing the same from another client inside the LAN works fine. In the log files I get the line "lost connection after MAIL from xxxxx.tld[xxx.xxx.xxx.xxx]" This is after some lines like: match_hostaddr: XXX.XXX.XXX.XXX ~? [::1]/128 match_hostname: XXXX.tld ~? 192.168.1.0/24 ... match_list_match: xxx.xxx.xxx.xxx: no match which seem to suggest some kind of filter which checks for allowed addresses. I have been unable to locate where this filter lives, or how to turn it off. I'm not even sure if that's what's causing my problem. Connections from inside the LAN don't get disconnected even though they also show a "match_list_match: ... no match" line. I didn't change any configuration files recently, below is my main.cf as it currently stands. I don't really know what all the parameters do and how they interact. I just set it up initially and it worked fine (up to recently). smtpd_banner = $myhostname ESMTP $mail_name (GNU) biff = no readme_directory = no # TLS parameters smtpd_tls_cert_file=/etc/ssl/certs/server.crt smtpd_tls_key_file=/etc/ssl/private/server.key #smtpd_use_tls=yes smtpd_tls_session_cache_database = btree:${data_directory}/smtpd_scache smtp_tls_session_cache_database = btree:${data_directory}/smtp_scache smtp_sasl_auth_enable = no smtp_use_tls=no smtp_sasl_password_maps = hash:/etc/postfix/smtp_auth myhostname = XXXXXXX.com alias_maps = hash:/etc/aliases alias_database = hash:/etc/aliases myorigin = /etc/mailname mydestination = XXXX.XXXX.com, XXXX.com, localhost.XXXXX.com, localhost relayhost = XXX.XXX.XXX.XXX mynetworks = 127.0.0.0/8 [::ffff:127.0.0.0]/104 [::1]/128 192.168.1.0/24 mailbox_command = procmail -a "$EXTENSION" mailbox_size_limit = 0 recipient_delimiter = + inet_interfaces = all smtpd_sasl_local_domain = #smtpd_sasl_auth_enable = yes smtpd_sasl_security_options = noanonymous smtpd_sasl_authenticated_header = yes broken_sasl_auth_clients = yes smtpd_recipient_restrictions = permit_mynetworks,permit_sasl_authenticated,reject_unauth_ when checking the process list, postfix/smtpd runs as smtpd -n smtp -t inet -u -c -o stress -v -v Any clues?

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• Is ffmpeg incorrectly interpreting .aif files?

  - by marue

  Being on an Ubuntu 10.04 server i installed the ffmpeg packages with apt. ffmpeg is working afterwards, and doing as it should. Almost. For testing purposes i uploaded a few audiofiles. One of them, an aif file, is not being correctly interpreted. While on my workhorse (Mac SnowLeopard) ffmpeg tells the format as Stream #0.0: Audio: pcm_s24be, 44100 Hz, 2 channels, s32, 2116 kb/s my Ubuntu server says it is: Stream #0.0: Audio: pcm_s24be, 44100 Hz, stereo, s16, 2116 kb/s which is the wrong bitdepth. Ubuntu then fails to convert the file with the error message [pcm_s24be @ 0xcd4b580]invalid PCM packet Error while decoding stream #0.0 which certainly is not true. The file is perfectly valid. Are there any know issues for ffmpeg interpreting the aif format? How can i find out which version of the aif-codec ffmpeg is using? Any ideas how to approach this issue? ffprobe output: FFprobe version SVN-r20090707, Copyright (c) 2007-2009 Stefano Sabatini libavutil 49.15. 0 / 49.15. 0 libavcodec 52.20. 0 / 52.20. 1 libavformat 52.31. 0 / 52.31. 0 built on Jan 20 2010 00:13:01, gcc: 4.4.3 20100116 (prerelease) Input #0, aiff, from 'testfile.aif': Duration: 00:00:04.00, start: 0.000000, bitrate: 2117 kb/s Stream #0.0: Audio: pcm_s24be, 44100 Hz, stereo, s16, 2116 kb/s update 2: Forcing the conversion with -sample_fmt s32 doesn't change anything. Strange thing is: Even without using -sample_fmt s32 i just realized that the conversion is working and creates valid audiofiles. There just is the error message from above.

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• Batch file to create many files with special characters

  - by MollyO

  Essential info: I have a file "DB_OUTPUT.TXT" with 304 lines that I need to turn into 304 files (one per line). Each line contains many special characters and may be up to tens of thousands of characters long. For these reasons, I'm having difficulty using a cmd.exe batch file (which limits the amount of input) and the echo command (which would try to execute each special character, short of me having to escape them all). I also have a file "DB_OUTPUT_FILENAMES.TXT" containing a distinct filename for each line-soon-to-be-file from "db_output.txt". So line 1 of DB_OUTPUT.TXT needs to be the body of a new file with a name equal to line 1 of DB_OUTPUT_FILENAMES.TXT. Extra info: As you may have guessed, DB_OUTPUT.TXT is output from a database; it contains 304 records with 6 or 7 columns at a fixed width with the last column being a SQL query. Each of these lines (db records) will be used as a script to create new database objects, which is why the special characters need to be preserved. Question: Is there a way to do this in a batch-like fashion? I'd be happy with either a Windows solution or a Linux one.

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• How to know the source of certain TCP traffic on AIX

  - by A.Rashad

  We have two AIX boxes, one for production system and another for testing. both systems are running ATM machine switches, where the ATM device is connected via TCP socket. we had an issue on production system where the machine would power off or get disconnected but the netstat -na | grep <IP of machine > would still mention that the socket is up when simulated that case on the UAT environment, the problem did not happen, where the socket would terminate in 3 to 5 minutes. when sniffed on the traffic between the machine and ATM we found that no traffic takes place on production while there is some sort of heartbeat on UAT. but it is not initiated by the application. $>tcpdump | grep -v "10.2.2.71" | grep -v "HSRP" | grep "10.3.1.30" tcpdump: verbose output suppressed, use -v or -vv for full protocol decode listening on en6, link-type 1, capture size 96 bytes 09:08:13.323421 IP server073.afs3-callback > 10.3.1.30.impera: . 278204201:278204202(1) ack 3307884029 win 164 09:08:13.335334 IP 10.3.1.30.impera > server073.afs3-callback: . ack 1 win 64180 09:08:23.425771 IP 10.3.1.30.impera > server073.afs3-callback: . 1:2(1) ack 1 win 64180 09:08:23.425789 IP server073.afs3-callback > 10.3.1.30.impera: . ack 2 win 65535 09:09:13.628985 IP server073.afs3-callback > 10.3.1.30.impera: . 0:1(1) ack 1 win 164 09:09:13.633900 IP 10.3.1.30.impera > server073.afs3-callback: . ack 1 win 64180 09:09:23.373634 IP 10.3.1.30.impera > server073.afs3-callback: . 1:2(1) ack 1 win 64180 09:09:23.373647 IP server073.afs3-callback > 10.3.1.30.impera: . ack 2 win 65535 while on production, that traffic is not there. we want to know where this traffic is initiated from to implement on production to sense disconnection our comms parameters are: tcp_keepcnt = 2 tcp_keepidle = 100 tcp_keepinit = 150 tcp_keepintvl = 150 tcp_finwait2 = 1200 can anyone help?

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• Connection refused after installing vsftp on Ubuntu 8.04 with fail2ban

  - by Patrick

  I have been using an Ubuntu 8.04 server with fail2ban for a while now (12+ months) and using ftp over SSH without any problems. I have a new user that needs to put files onto the server from an IP modem. I have installed vsftp (sudo apt-get install vsftp) and everything installed correctly. I have created an ftp user on the server following this guide. Whenever I try to connect to the server with my ftp program (filezilla) I get an immediate response of: Connection attempt failed with "ECONNREFUSED - Connection refused by server". I have looked into fail2ban and cannot find any problems. The iptables setup is: Chain INPUT (policy ACCEPT) target prot opt source destination fail2ban-ssh tcp -- anywhere anywhere multiport dports ssh Chain FORWARD (policy ACCEPT) target prot opt source destination Chain OUTPUT (policy ACCEPT) target prot opt source destination Chain fail2ban-ssh (1 references) target prot opt source destination RETURN all -- anywhere anywhere VSFTP config file (commented lines removed) listen=YES anonymous_enable=NO local_enable=YES write_enable=YES dirmessage_enable=YES xferlog_enable=YES connect_from_port_20=YES chown_uploads=YES chown_username=[username] secure_chroot_dir=/var/run/vsftpd pam_service_name=vsftpd rsa_cert_file=/etc/ssl/certs/ssl-cert-snakeoil.pem rsa_private_key_file=/etc/ssl/private/ssl-cert-snakeoil.key Any ideas on what is preventing access to the server?

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• Proper High-End Video Editing Software for Windows?

  - by Michael Stum

  I'm wondering if anyone here has experience with Prosumer/High-End Video Editing? So far I use Adobe Premiere CS4, but it is an unstable and buggy mess sadly. This could be partially caused by the fact that my input material isn't always pure HDV/AVCHD but sometimes it can be DivX or some already pre-processed video. The one thing I liked about Adobe is though that with After Effects and Encore, they have a good overall toolset, but if it's sub-par then it's no good. Luckily it is already paid for and was worth it's money overall, so It's not a complete waste of money. But are there alternatives? Especially After Effects is quite unique, and the closest thing I found is Apple's Final Cut Studio which includes Motion and DVD Studio. The two downsides is that it requires a Mac and that it doesn't support BluRay though. Any hints for Windows? Sony Vegas might be something I'll look at, but I'm guessing I have to keep using After Effects for some serious compositing/VFX?

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• smbclient timing out

  - by Sam Lee

  I am trying to set up a Samba share on a Centos machine. I want to connect to this server using smbclient on OS X. Here is what happens: > smbclient -L X.X.X.X timeout connecting to X.X.X.X:445 timeout connecting to X.X.X.X:139 Error connecting to X.X.X.X (Operation already in progress) Connection to X.X.X.X failed What could be going wrong? Here is my iptables dump on the Centos machine (the server): > iptables -L -n Chain INPUT (policy ACCEPT) target prot opt source destination ACCEPT all -- 0.0.0.0/0 0.0.0.0/0 REJECT all -- 0.0.0.0/0 127.0.0.0/8 reject-with icmp-port-unreachable ACCEPT all -- 0.0.0.0/0 0.0.0.0/0 state RELATED,ESTABLISHED ACCEPT tcp -- 0.0.0.0/0 0.0.0.0/0 tcp dpt:445 ACCEPT tcp -- 0.0.0.0/0 0.0.0.0/0 tcp dpt:3000 ACCEPT tcp -- 0.0.0.0/0 0.0.0.0/0 tcp dpt:80 ACCEPT tcp -- 0.0.0.0/0 0.0.0.0/0 tcp dpt:443 ACCEPT tcp -- 0.0.0.0/0 0.0.0.0/0 state NEW tcp dpt:22 ACCEPT icmp -- 0.0.0.0/0 0.0.0.0/0 icmp type 8 REJECT all -- 0.0.0.0/0 0.0.0.0/0 reject-with icmp-port-unreachable ACCEPT tcp -- 0.0.0.0/0 0.0.0.0/0 tcp dpt:3000 And finally, my smb.conf: [global] workgroup = workgroup security = SHARE load printers = No default service = global path = /home available = No encrypt passwords = yes [share] writeable = yes admin users = myusername path = /home/myhome/ force user = root valid users = myusername public = yes available = yes

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• Troubleshooting an NFS server hanging after authenticated mount request

  - by Christoph

  I need some advice on troubleshooting an NFS server problem on Scientific Linux (RHEL) 6.1. The log on the server shows that an authenticated mount request was made: Jan 13 16:30:02 ??? rpc.mountd[3996]: authenticated mount request from ????:784 for /shared-storage/cm/shared (/shared-storage/cm/shared) But after that, it does not continue. On the client, it is also hanging. The interesting thing now is that I have two NFS servers, which should be identical, and the one is working perfectly, but the other exhibits the above mentioned behaviour. The problem is also not completely persistent, i. e. sometimes the mount request succeeds. I assume that the problem must be related to the server rather than to the client, because it is working perfectly on the other server. My question is where I should search the problem. I have already re-created the exports using exportfs -r, I have restarted the NFS server, I have compared the rpcinfo outputs of both server - no success. The problem even survives a reboot. Any other ideas are appreciated. As answer to Tim's question: I have sporadically the following in dmesg, but do not know whether it is related e1000e 0000:0c:00.0: eth4: Detected Hardware Unit Hang: TDH <24> TDT <25> next_to_use <25> next_to_clean <24> buffer_info[next_to_clean]: time_stamp <1c3d12940> next_to_watch <24> jiffies <1c3d12940> next_to_watch.status <0> MAC Status <80383> PHY Status <792d> PHY 1000BASE-T Status <7800> PHY Extended Status <3000> PCI Status <10> Further edit: The problem above does not occur on the machine that is working, so it probably is related. Again an edit: The error is not on the (software) device that is used for NFS, but on another one. The NFS mount also does not trigger the message.

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• Hardware issue: computer plays beep sounds at startup, and then turns off

  - by Darkkurama

  Turns out that after moving, my computer got damaged somehow. I installed my computer 2 days ago. I didn't check the state of the hardware parts and turned the pc on recklessly, not realizing that the cpu fan was dettached from the cpu. After this I reattached the fan. The computer worked kind of faulty after that, because at the time of startup, it would play a long beep (different from the normal beep) and won't display anything. I tried restarting after this incident and it got fixed (don't know how, but it did), and I was even able to play some videogames for some hours (more than 5). This morning I tried to get this issue sorted out by checking again the cpu and in general, the connections, and for my surprise, at the time of turning it on again, the computer wouldn't boot at all. I reapplied some thermal paste to the cpu and fan, but got no results (I did this because the old paste was very badly distributted along the surface of both cpu and fan). Now every time I turn it on, the computer acts randomly: sometimes at startup, it plays a long continous beep and then turns off. one time it played a long continous beep and got to the windows password input screen, but then it turned off More frequently, I turn it on and after some seconds, it turns off without any sound. You can check this video I recorded, which features how the computer behaves most of the time Another one I tried troubleshoting it myself by disconnecting my graphic card, rams, HDD and even the cpu and its fan with no result. Computer specs: Intel Core 2 Quad Q6600 processor, Nvidia xfx gtx 260 black edition, 4 GB ram, 500 GB hard drive, Windows 7 64 bit

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• can't connect to vsftpd from outside network

  - by rick

  i know this has been asked many times before, but nothing seems to resolve my issue. i have vsftpd running on ubuntu 10.04. i can connect with ftp localhost on the machine. i can connect from another machine in my network. i just cannot connect from outside. the machine is behind an airport extreme managed by airport utility on a mac. 21 is open as per nmap: macmini:~$ nmap localhost Starting Nmap 5.21 ( http://nmap.org ) at 2011-04-10 23:49 EDT Nmap scan report for localhost (127.0.0.1) Host is up (0.00045s latency). Hostname localhost resolves to 2 IPs. Only scanned 127.0.0.1 rDNS record for 127.0.0.1: localhost.localdomain Not shown: 997 closed ports PORT STATE SERVICE 21/tcp open ftp 22/tcp open ssh 631/tcp open ipp netstat says 21 is listening: macmini:~$ netstat -lep --tcp | grep ftp (Not all processes could be identified, non-owned process info will not be shown, you would have to be root to see it all.) tcp 0 0 *:ftp *:* LISTEN iptables: macmini:~$ sudo iptables -L Chain INPUT (policy ACCEPT) target prot opt source destination Chain FORWARD (policy ACCEPT) target prot opt source destination Chain OUTPUT (policy ACCEPT) target prot opt source destination when i try to connect from my external IP (or a dyndns name which resolves there) it times out. ("control connection timed out") as i know very little about networking, i feel like something may jump out as clearly wrong?

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• .NET not processing an XML file in IIS

  - by Stuart McIntosh

  We have 2 servers, 1 already configured with .net which works fine and a new one which appears to be configured the same but when I open an xml page in Internet Explorer it complains about the <% tag. We have IIS on win srvr 2003 SP2. The website is configured with .NET 1.1.4322. In ISAPI extensions have set the .XML extension to use c:\windows\microsoft.net\framework\v1.1.4322\aspnet_isapi.dll But the page: <property name="documentmaxage" value="0"/> <property name="documentmaxstale" value="0"/> <var name="m_Prompt_Path" /> <form id="InitVoiceXmlDoc"> <block> <assign name="m_Prompt_Path" expr="&quot;<% Response.Write(Request.QueryString["m_Prompt_Path"]); %>&quot;"/> </block> </form> gives the error: The XML page cannot be displayed Cannot view XML input using XSL style sheet. Please correct the error and then click the Refresh button, or try again later. The character '<' cannot be used in an attribute value. Error processing resource 'http://localhost:11119/fails.xml'. Lin... &quo... We have the same config on another server which works fine. So are there other options apart from the ISAPI extensions that I need to look at. If I suffix the page .aspx, of course it works fine.

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• Experiences in Upgrading from Exchange 2003 to Exchange 2010

  - by gWaldo

  I'm currently running Exchange 2003 SP2 Cluster on a Server 2003 AD Forest (in native 2003 mode), and we beginning to plan the upgrade to Server 2008 AD and Exchange 2010. We have two main sites, one middle-sized office, and a couple of smaller sites which have DCs (which may be RODCs after the upgrade). Currently all of our Exchange cluster is in my main site, but we are considering using the new datastore paradigm for load-balance/failover at the other large site, but this is not set in stone. Right now we are in the information-gathering and planning phases. I am looking for input of any gotchas experienced while performing either upgrade, but especially the Exchange upgrade. Gotchas? What surprised you? What wasn't documented? What said one thing but was misleading? (Confusing either in content or severity.) What is great or horrible about the new system? What worked well? What worked poorly? If you were to do it over again...? (I know that this isn't so much a question that can be definitively answered, but I'm happy to reward insight and useful resources (not the Microsoft documentation, but Blogposts are welcome) with upvotes.) UPDATE A couple items of note: -We are not currently using OWA (currently only the admins), but it may become more of a consideration with iOS devices. -We do have a small number of Blackberries in the environment (< 10%). -In addition to the standard Exchange connectors, we have a third-party connector for Captaris RightFax integration.

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• System freezes during boot process

  - by slugster

  Hi everyone, i have a machine running Win7 Ultimate. It was running fine, then it just froze - all the stuff i was doing was still on the screen, but mouse and keyboard input was ignored, any animation that was happening on the screen stopped, the machine literally just froze. So i rebooted (power off button), from then on the machine will reboot, but it ultimately freezes again. The instance when this happens will vary - i have made it as far as the Windows login screen, but mostly it will do the POST, then give me the option to press F1 to continue or Del to enter BIOS settings (but of course pressing a key has no effect - it's frozen!). I have disconnected everything not necessary for the boot process, the only peripheral that remains attached is the keyboard. (even the network cable is disconnected). Prior to this the machine was operating fine. The install of Win7 is only 2 days old, and it was a fresh reinstall (i.e. not an upgrade or repair). Can anyone give me an indication of what may be wrong here? I'm not sure if this question should be here or on SuperUser, please migrate it if i have chosen the wrong board.

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• System freezes during boot process

  - by slugster

  Hi everyone, i have a machine running Win7 Ultimate. It was running fine, then it just froze - all the stuff i was doing was still on the screen, but mouse and keyboard input was ignored, any animation that was happening on the screen stopped, the machine literally just froze. So i rebooted (power off button), from then on the machine will reboot, but it ultimately freezes again. The instance when this happens will vary - i have made it as far as the Windows login screen, but mostly it will do the POST, then give me the option to press F1 to continue or Del to enter BIOS settings (but of course pressing a key has no effect - it's frozen!). I have disconnected everything not necessary for the boot process, the only peripheral that remains attached is the keyboard. (even the network cable is disconnected). Prior to this the machine was operating fine. The install of Win7 is only 2 days old, and it was a fresh reinstall (i.e. not an upgrade or repair). Can anyone give me an indication of what may be wrong here? I'm not sure if this question should be here or on SuperUser, please migrate it if i have chosen the wrong board.

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• Ubuntu Server attack? how to solve?

  - by saky

  Hello, Something (Someone) is sending out UDP packets sent from our whole ip range. This seems to be multicast DNS. Our server host provided this (Our IP Address is masked with XX): Jun 3 11:02:13 webserver kernel: Firewall: *UDP_IN Blocked* IN=eth0 OUT= MAC=01:00:5e:00:00:fb:00:30:48:94:46:c4:08:00 SRC=193.23X.21X.XX DST=224.0.0.251 LEN=73 TOS=0x00 PREC=0x00 TTL=255 ID=0 DF PROTO=UDP SPT=5353 DPT=5353 LEN=53 Jun 3 11:02:23 webserver kernel: Firewall: *UDP_IN Blocked* IN=eth0 OUT= MAC=01:00:5e:00:00:fb:00:30:48:94:46:c4:08:00 SRC=193.23X.21X.XX DST=224.0.0.251 LEN=73 TOS=0x00 PREC=0x00 TTL=255 ID=0 DF PROTO=UDP SPT=5353 DPT=5353 LEN=53 Jun 3 11:02:32 webserver kernel: Firewall: *UDP_IN Blocked* IN=eth0 OUT= MAC=01:00:5e:00:00:fb:00:30:48:94:46:c4:08:00 SRC=193.23X.21X.XX DST=224.0.0.251 LEN=73 TOS=0x00 PREC=0x00 TTL=255 ID=0 DF PROTO=UDP SPT=5353 DPT=5353 LEN=53 Jun 3 11:02:35 webserver kernel: Firewall: *UDP_IN Blocked* IN=eth0 OUT= MAC=01:00:5e:00:00:fb:00:30:48:94:46:c4:08:00 SRC=193.23X.21X.XX DST=224.0.0.251 LEN=73 TOS=0x00 PREC=0x00 TTL=255 ID=0 DF PROTO=UDP SPT=5353 DPT=5353 LEN=53 I checked my /var/log/auth.log file and found out that someone from China (Using ip-locator) was trying to get in to the server using ssh. ... Jun 3 11:32:00 server2 sshd[28511]: Failed password for root from 202.100.108.25 port 39047 ssh2 Jun 3 11:32:08 server2 sshd[28514]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=202.100.108.25 user=root Jun 3 11:32:09 server2 sshd[28514]: Failed password for root from 202.100.108.25 port 39756 ssh2 Jun 3 11:32:16 server2 sshd[28516]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=202.100.108.25 user=root ... I have blocked that IP address using this command: sudo iptables -A INPUT -s 202.100.108.25 -j DROP However, I have no clue about the UDP multicasting, what is doing this? who is doing it? and how I can stop it? Anyone know?

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• OpenWRT + OpenVPN client forwarding from lan to vpn not working

  - by Dariusz Górecki

  I've OpenWRT router with Backfire 10.03.1-rc3 (arch:brcm 2.6 kernel) I've set up an OpenVPN client connecting my router with workplace lan, and it works nicely, I can connect from router to networks (several) in workplace. My OpenVPN client uci-config looks like: config 'openvpn' 'stream_client' option 'nobind' '1' option 'float' '1' option 'client' '1' option 'reneg_sec' '0' option 'management' '127.0.0.1 31194' option 'explicit_exit_notify' '1' option 'verb' '3' option 'persist_tun' '1' option 'persist_key' '1' list 'remote' 'remote.address.cutted' option 'ca' '/lib/uci/upload/cbid.openvpn.stream_client.ca' option 'key' '/lib/uci/upload/cbid.openvpn.stream_client.key' option 'cert' '/lib/uci/upload/cbid.openvpn.stream_client.cert' option 'enable' '1' option 'dev' 'tun1' I've set the 'STREAM_VPN' Zone to allow in/out traffic, and I've added rules for zone-to-zone lan<-vpn and vpn<-lan config 'zone' option 'name' 'stream_vpn' option 'network' 'stream_vpn' option 'input' 'ACCEPT' option 'output' 'ACCEPT' option 'forward' 'REJECT' config 'forwarding' option 'src' 'lan' option 'dest' 'stream_vpn' config 'forwarding' option 'src' 'stream_vpn' option 'dest' 'lan' And interface config: config 'interface' 'stream_vpn' option 'proto' 'none' option 'ifname' 'tun1' option 'defaultroute' '0' option 'peerdns' '0' Now, from my router everything works nicely, the problem is that I cannot connect from computer inside a lan to hosts in networks provided by vpn connection :/ What I've missed, or what I'm doing wrong? And how can I force using specified DNS when connected to vpn? (I know that sever should use PUSH DNS option, but is PUSHes only routes)

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• windows server 2008 r2 remote desktop issue with roaming clients

  - by Patrick D'Haese

  I have the following situation : a Dell windows server 2008 R2 computer, with remote desktop services installed. I have installed a java application making use of a PostgreSql database, and made this application available for clients using RDP. Clients are standard Win XP pc's and Psion Neo handheld devices running Windows CE 5 Pro. The application works fine for clients on standard XP pc's connected directly via cat 5E Ethernet cable to a Dell Powerconnect 2816 switch. The Psion Neo clients connect wireless to the network via Motorola AP6532 access points. These access points are connected via a POE adapter to the same switch as the XP pc's. The Psion devices can connect without any problem and very quickly to the server and to the application using RDP. So far, so good. When the Psion devices move around in the warehouse, and they roam from one access point to the other, the RDP session on the client freezes for approx 1 minute, and then it automatically resumes the session. This freezing is very annoying for the users. Can anyone help in solving this issue? Update (August 9) : After re-installing the access points we have a working situation, but only when connecting to the RDP host : * via a Win Xp SP3 laptop * via a Symbol MC9190 Win CE 6 mobile device When roaming we notice a small hick-up less then 1 second, what is very acceptable. With the Psion NEO it's still not working, when roaming the screen freezes from 2 to 30 seconds. The RDP client on the win xp sp3 laptop and the symbol mc9190 is version 6.0. The RDP client on the neo is version 5.2. I have changed the security layer on the RDP host to RDP security layer (based on forums on the internet), because older RDP clients seem to have issues with the RDP 7.1 protocol on the Win server 2088 R2. Psion adviced us to do some network logging activity on the different devices. We made this logging via wireshark, and based on this the conclusion of Psion is that the server fails in handling tcp-requests. Can anyone give me a second opinion by analysing the wireshark loggings. Thanks in advance. Regards Patrick

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