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• Help debugging Sendmail/Mailman configuration issue

  - by inxilpro

  Hi folks, I'm trying to configure a server with Sendmail and Mailman. I've been getting "Broken pipe" errors for a while, and have slowly been debugging. I fixed some permission issues, and changed the user that Mailman expects to be called from, among other things. Finally, I'd gone through everything I could think of, so I added a new test to see if it's the Mailman script or Sendmail that's causing the problem. Here's the error I'm getting now (stripped of timestamps and identifying information): <-- MAIL FROM:[email protected] Authentication-Warning: xxxxx.org: xxxxxxxxxxxxxx.net [xx.xx.xxx.xxx] didn't use HELO protocol --- 250 2.1.0 [email protected]... Sender ok <-- RCPT TO: [email protected] --- 250 2.1.5 [email protected]... Recipient ok <-- DATA --- 354 Enter mail, end with "." on a line by itself [email protected], size=20, class=0, nrcpts=1, msgid=<[email protected]>, proto=SMTP, relay=xxxxxxxxxxxxxx.net [xx.xx.xxx.xxx] --- 250 2.0.0 o6KMg2xZ025804 Message accepted for delivery alias [email protected] => "|/bin/echo foo" SYSERR(root): putbody: write error: Broken pipe 0: fl=0x0, mode=20660: CHR: dev=0/15, ino=776, nlink=1, u/gid=0/0, size=0 1: fl=0x1, mode=20660: CHR: dev=0/15, ino=776, nlink=1, u/gid=0/0, size=0 2: fl=0x1, mode=20660: CHR: dev=0/15, ino=776, nlink=1, u/gid=0/0, size=0 3: fl=0x2, mode=140777: SOCK localhost->[[UNIX: /dev/log]] 5: fl=0x0, mode=100600: dev=8/3, ino=486765, nlink=1, u/gid=0/51, size=5 6: fl=0x8000, mode=100640: dev=8/3, ino=65501, nlink=1, u/gid=0/0, size=12288 7: fl=0x8000, mode=100640: dev=8/3, ino=65501, nlink=1, u/gid=0/0, size=12288 8: fl=0x8000, mode=100640: dev=8/3, ino=65510, nlink=1, u/gid=0/0, size=12288 9: fl=0x8000, mode=100640: dev=8/3, ino=65510, nlink=1, u/gid=0/0, size=12288 10: fl=0x8000, mode=100640: dev=8/3, ino=64814, nlink=1, u/gid=0/51, size=12288 11: fl=0x8000, mode=100640: dev=8/3, ino=64814, nlink=1, u/gid=0/51, size=12288 12: fl=0x1, mode=100600: dev=8/3, ino=486767, nlink=1, u/gid=0/51, size=754 13: fl=0x1, mode=10600: FIFO: dev=0/5, ino=7649785, nlink=1, u/gid=0/51, size=0 14: fl=0x0, mode=10600: FIFO: dev=0/5, ino=7649786, nlink=1, u/gid=0/51, size=0 MCI@0x0: NULL MCI@0x0: NULL to="|/bin/echo foo", [email protected] (8/0), delay=00:00:08, xdelay=00:00:00, mailer=prog, pri=30476, dsn=5.0.0, stat=Service unavailable o6KMsnxX025948: DSN: Service unavailable done; delay=00:00:08, ntries=1 The alias in /etc/aliases is: cmtest: "|/bin/echo foo" As you can see, even when trying to pipe to /bin/echo I still get the same error. But I can't for the life of me figure out what else to check. Normal aliases work fine. Any ideas? Thanks!

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• SSL connection error during handshake on Windows Server 2008 R2

  - by Thomas

  I have a Windows 2008 R2 Server that runs a HTTPS Tunneling service. The software uses a certificate that is provided via the Windows certificate store. The certificate is located in the local computer private certificates. It supports server and client authentication with signing and keyencipherment. Cert chain The certificate chain looks fine. It's a Thawte SSL123 certificate. Thawte Premium Server CA (SHA1) [?e0 ab 05 94 20 72 54 93 05 60 62 02 36 70 f7 cd 2e fc 66 66] thawte Primary Root CA [?1f a4 90 d1 d4 95 79 42 cd 23 54 5f 6e 82 3d 00 00 79 6e a2] Thawte DV SSL CA [3c a9 58 f3 e7 d6 83 7e 1c 1a cf 8b 0f 6a 2e 6d 48 7d 67 62] Server certificate Issues Most browsers accept the certificate without any warning. But IE 7 on Windows XP SP3 and Opera 12 on OSX just report an connection error. Opera complains: Secure connection: fatal error (552) https://www.example.com/ Opera was not able to connect to the server, because the server does not communicate via any secure protocol known to Opera. A connection test using openssl s_client -connect www.example.com:443 -state says: CONNECTED(00000003) SSL_connect:before/connect initialization SSL_connect:SSLv2/v3 write client hello A 52471:error:140790E5:SSL routines:SSL23_WRITE:ssl handshake failure:/SourceCache/OpenSSL098/OpenSSL098-35.1/src/ssl/s23_lib.c:182: ssldump -aAHd host www.example.com during curl https://www.example.com/ reports: New TCP connection #1: localhost(53302) <-> www.example.com(443) 1 1 0.0235 (0.0235) C>SV3.1(117) Handshake ClientHello Version 3.1 random[32]= 50 77 56 29 e8 23 82 3b 7f e0 ae 2d c1 31 cb ac 38 01 31 85 4f 91 39 c1 04 32 a6 68 25 cd a0 c1 cipher suites Unknown value 0x39 Unknown value 0x38 Unknown value 0x35 TLS_DHE_RSA_WITH_3DES_EDE_CBC_SHA TLS_DHE_DSS_WITH_3DES_EDE_CBC_SHA TLS_RSA_WITH_3DES_EDE_CBC_SHA Unknown value 0x33 Unknown value 0x32 Unknown value 0x2f Unknown value 0x9a Unknown value 0x99 Unknown value 0x96 TLS_RSA_WITH_RC4_128_SHA TLS_RSA_WITH_RC4_128_MD5 TLS_DHE_RSA_WITH_DES_CBC_SHA TLS_DHE_DSS_WITH_DES_CBC_SHA TLS_RSA_WITH_DES_CBC_SHA TLS_DHE_RSA_EXPORT_WITH_DES40_CBC_SHA TLS_DHE_DSS_EXPORT_WITH_DES40_CBC_SHA TLS_RSA_EXPORT_WITH_DES40_CBC_SHA TLS_RSA_EXPORT_WITH_RC2_CBC_40_MD5 TLS_RSA_EXPORT_WITH_RC4_40_MD5 Unknown value 0xff compression methods unknown value NULL 1 0.0479 (0.0243) S>C TCP FIN 1 0.0481 (0.0002) C>S TCP FIN Thawte provides two Java based SSL Checkers. The Legacy Thawte SSL Certificate Installation Checker and the sslToolBox. Both validate the certificate under Windows XP but report connection errors under OSX and Windows 2008 R2.

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• Android Broadcast Address

  - by Eef

  Hey, I am making a Client Server application for my Android phone. I have created a UDP Server in Python which sits and listens for connections. I can put either the server IP address in directly like 192.169.0.100 and it sends data fine. I can also put in 192.168.0.255 and it find the server on 192.169.0.100. Is it possible to get the broadcast address of the network my Android phone is connected to? I am only ever going to use this application on my Wifi network or other Wifi networks. Cheers

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• making certain cells of an ExtJS GridPanel un-editable

  - by synchronicity

  I currently have a GridPanel with the Ext.ux.RowEditor plugin. Four fields exist in the row editor: port, ip address, subnet and DHCP. If the DHCP field (checkbox) of the selected row is checked, I need to make the other three fields un-editable. I've been trying to perform this code when the beforeedit event is triggered, but to no avail... I've only found ways to make the entire column un-editable. My code so far: this.rowEditor.on({ scope: this, beforeedit: this.checkIfEditable }); checkIfEditable:function(rowEditor, rowIndex) { if(this.getStore().getAt(rowIndex).get('dhcp')) { // this function makes the entire column un-editable: this.getColumnModel().setEditable(2, false); // I want to make only the other three fields of the current row // uneditable. } } Please let me know if any clarification is needed. Any help potentially extending RowEditor to accomplish the target functionality would be greatly appreciated as well!

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• How do you detect a website visitor's country (Specifically, US or not)?

  - by BigDave

  I need to show different links for US and non-US visitors to my site. This is for convenience only, so I am not looking for a super-high degree of accuracy, and security or spoofing are not a concern. I know there are geotargeting services and lists, but this seems like overkill since I only need to determine (roughly) if the person is in the US or not. I was thinking about using JavaScript to get the user's timezone, but this appears to only give the offset, so users in Canada, Mexico, and South America would have the same value as people in the US. Are there any other bits of information available either in JavaScript, or PHP, short of grabbing the IP address and doing a lookup, to determine this?

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• Cygwin's RSYNC for large data transfer

  - by Tim Brigham

  I'm using rsync from Cygwin to do a large scale data transfer from an aging HP MSA 1000 to a new DAS attached to a different server. I have a daemon running on the remote server in read only mode and a local copy writing the files to disk. One of my servers is an image repository with over a million files spread across about 300 directories. Each file averages only a couple hundred kilobytes. More so than any other box this one is proving problematic. The rsync process will work for a while - some times 20 minutes, some times an hour - and then it simply quits and sits idle at a given file name. I have verified that the file isn't corrupt on the remote server and that the file is successfully created on the local drive. I ran the rsync client in -vv mode, which returns nothing. I checked out the logs created by the daemon. I looked at the network utilization on the interface, which is sitting idle. I looked at the AV settings to see if anything could pose a problem there. I even updated to the latest release of Cygwin. What do I need to in order to keep this connection up? EDIT: The client system is using the command rsync.exe server::Drives/f/Repo/ /cygdrive/T/Repo --archive -P -vv The server is using the command rsync.exe --daemon --no-detach --config "rsyncd.conf" The contents of rsyncd.conf: use chroot = false strict modes = false hosts allow = 192.168.100.9 log file = c:/rsyncd.log uid=0 gid=0 [Drives] path = /cygdrive read only = yes EDIT: The file server is 2003, the disk type on the array is GPT and the size is of the array is about 4 TB. EDIT: Stranger.. It looks like the process is reliably erroring out at about 175,000 files. Rsync runs fine when I pick the same directory it has problems with one at a time. EDIT: rsync version 3.0.9 protocol version 30 Copyright (C) 1996-2011 by Andrew Tridgell, Wayne Davison, and others. Web site: http://rsync.samba.org/ Capabilities: 64-bit files, 64-bit inums, 32-bit timestamps, 64-bit long ints, no socketpairs, hardlinks, symlinks, IPv6, batchfiles, inplace, append, ACLs, xattrs, iconv, symtimes A similar failure occurred when going from the same set of files with Cygwin to a Linux install. It didn't happen until several hours later than normal however.

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• Delphi - COM/OLE starting example needed

  - by durumdara

  Hi! 10 years have ellapsed since I used COM/OLE, and I forget 90% of them. Now we need to make a COM object to access some data from PHP/Python (this is specific thing, the php ODBC don't access the output params of a DataBase - like stored proc output), and my idea the I realize a minimal object with one method, and PHP/Python can call this to get the output... procedure ExecSQL(Config, IP, Port, DBName, SQL, IDFieldName : variant) : output output is [IDValue, ErrorMsg, HResult] Please help me a very little example, how to start it? I need only this, but I'm confused by many ActiveX/COM in the palette. What I need to use to make a simple COM DLL, and how to register my COM object with this DLL? Thanks: dd

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• Are all languages used within .net Equally performant?

  - by WeNeedAnswers

  I know the "Sales pitch" answer is yes to this question, but is it technically true. The Common Language Runtime (CLR) is designed as an intermediate language based on Imperative Programming (IP), but this has obvious implications when dealing with Declarative Programming (DP). So how efficient is a language based on a different paradigm than the Imperative Style when implemented in the CLR? I also get the feeling that the step to DP would incur an extra level of abstraction that might not model at all performant, would this be a fair comment? I have done some simple tests using F# and it all looks great, but am I missing something if the programs get more complex?

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• jQuery: 'async: false' Not Working With IE7 / IE6

  - by Norbert

  I created a simple tracking script which adds the users info to a database when the page is unloaded. It works on all browsers except IE7 and IE6. IE7 gives me errors, but I can't open the "debugger" because I'm using the standalone version (or at least that's what I think the problems is). I removed the async: false, from the script below and I didn't get any errors, but I need async set to false in order for the script to work. Any ideas? $(window).unload(function() { $.ajax({ type: "POST", async: false, url: "add.php", data: "ip=" + jIp + "&date=" + jDate + "&time=" + jTime, }); }); Update: I got IE7 to display the error, kinda. When I click OK on the dialog on top, it closes both dialogs. Ugh!

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• Ad-Hoc mode and Cell (how does it work)?

  - by Ori Cohen

  hello, I am setting up a wireless Ad-Hoc network manually in linux using iwconfig and ifconfig. I have gotten everything working, and I think I understand it all except access point. The part that confused me is this: If I have essid='some_id', channel=11, Mode=Ad-Hoc and appropriate routing/ip on both laptops, why do I need to make sure the Cell is the same? I was under the impression that Ad-Hoc worked independently of the access point. I can easily get around this, I just use iwconfig wlan0 ap 00:00:00:00:00:01 Why is this necessary? I've been unable to find a good tutorial on this. If anyone can clear this up I'd appreciate it. Thanks

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• Penalty clause on programming contract

  - by Everyone

  I am considering the move to the other side of development, as a contract programmer. SO has given me a good few hints on the kind of figures to quote ( and why ), and a few points to bear in mind such as Non-competition and [IP Protection] Having worked as a programmer for a while, I know that a few reasons for deadline delays may be - Estimates can be all over the place both from the Contractor, and the Job provider Things like bandwidth bottlenecks, merge for high-impact code etc Clarification time on provided requirements... etc If you have worked as a contract programmer then How frequently do you encounter a penalty/forfeit clause in your agreement? What do you deem unacceptable in the penalty/forfeit clause?

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• Create a SOCKS Proxy that does nothing special

  - by rwired

  I am trying to create a SOCKS proxy in C++ that runs as a background process on localhost. If the user's browser is configured to use the proxy, I want all HTTP requests to be passed along through the normal TCP/IP stack. i.e. The browser will behave exactly as it normally would. Eventually I will add another layer which will check to see if the requested resource matches certain criteria, and if so will handle the request differently. But for now I'm just trying to solve the basic problem... how to create a SOCKS proxy that doesn't change anything?

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• Async Socket Listener on separate thread - VB.net

  - by TheHockeyGeek

  I am trying to use the code from Microsoft for an Async Socket connection. It appears the listener runs in the main thread locking the GUI. I am new at both socket connections and multi-threading all at the same time. Having a hard time getting my mind wrapped around this all at once. The code used is at http://msdn.microsoft.com/en-us/library/fx6588te.aspx Using this example, how can I move the listener to its own thread? Public Shared Sub Main() ' Data buffer for incoming data. Dim bytes() As Byte = New [Byte](1023) {} ' Establish the local endpoint for the socket. Dim ipHostInfo As IPHostEntry = Dns.GetHostEntry(Dns.GetHostName()) Dim ipAddress As IPAddress = ipHostInfo.AddressList(1) Dim localEndPoint As New IPEndPoint(ipAddress, 11000) ' Create a TCP/IP socket. Dim listener As New Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp) ' Bind the socket to the local endpoint and listen for incoming connections. listener.Bind(localEndPoint) listener.Listen(100)

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• Source control on internet i.e. no private networks.

  - by Kavitesh Singh

  Me and my friend are in the process of starting a small project and want to implement a source control. Now both are located in different cities and can communicate using internet for file sharing etc. I need an online hosting solution or any way where i can maintain the source code repository for both of us to check in/out. As of now we want to maintain it as private project. Does sourceforge allow hosting projects which would not be opensource? One option i was thinking, to obtain a static IP form ISP and host the repository.But that mean my system needs to be online when my friend wants to checkin/out or do some diff with old version code. Secondly, would SVN or git be a better choice in such a situation. I have no experience in git/mercurial as of now.

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• How to deploy RESTful Web Service onto IIS

  - by Chris Lee

  Hi all, I'm new to .Net and IIS. I've created a simple RESTful Web Service in VS2008 and .net 3.5 framework using WCF. I've tested it well with F5 debugging in VS(seems it is auto deployed on Windows Service). Now I want to deploy it on my IIS server so that I can use it remotely. But I cannot find any guide for this. I manually deployed my service folder just as an ASP.net site. But seems it does not work(keep showing 401 error). Can anyone tell me how to deploy it to IIS? It contains a simple GET method and I hope it can be accessed by anomynous clients (because the host IP is 192.168..). I have a web.config file, a .dll and .pdb under /bin folder, a Global.asax and .svc file for my service. The IIS server is on the same machine. Thanks a million.

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• How to keep group-writeable shares on Samba with OSX clients?

  - by Oliver Salzburg

  I have a FreeNAS server on a network with OSX and Windows clients. When the OSX clients interact with SMB/CIFS shares on the server, they are causing permission problems for all other clients. Update: I can no longer verify any answers because we abandoned the project, but feel free to post any help for future visitors. The details of this behavior seem to also be dependent on the version of OSX the client is running. For this question, let's assume a client running 10.8.2. When I mount the CIFS share on an OSX client and create a new directory on it, the directory will be created with drwxr-x-rx permissions. This is undesirable because it will not allow anyone but me to write to the directory. There are other users in my group which should have write permissions as well. This behavior happens even though the following settings are present in smb.conf on the server: [global] create mask= 0666 directory mask= 0777 [share] force directory mode= 0775 force create mode= 0660 I was under the impression that these settings should make sure that directories are at least created with rwxrwxr-x permissions. But, I guess, that doesn't stop the client from changing the permissions after creating the directory. When I create a folder on the same share from a Windows client, the new folder will have the desired access permissions (rwxrwxrwx), so I'm currently assuming that the problem lies with the OSX client. I guess this wouldn't be such an issue if you could easily change the permissions of the directories you've created, but you can't. When opening the directory info in Finder, I get the old "You have custom access" notice with no ability to make any changes. I'm assuming that this is caused because we're using Windows ACLs on the share, but that's just a wild guess. Changing the write permissions for the group through the terminal works fine, but this is unpractical for the deployment and unreasonable to expect from anyone to do. This is the complete smb.conf: [global] encrypt passwords = yes dns proxy = no strict locking = no read raw = yes write raw = yes oplocks = yes max xmit = 65535 deadtime = 15 display charset = LOCALE max log size = 10 syslog only = yes syslog = 1 load printers = no printing = bsd printcap name = /dev/null disable spoolss = yes smb passwd file = /var/etc/private/smbpasswd private dir = /var/etc/private getwd cache = yes guest account = nobody map to guest = Bad Password obey pam restrictions = Yes # NOTE: read smb.conf. directory name cache size = 0 max protocol = SMB2 netbios name = freenas workgroup = COMPANY server string = FreeNAS Server store dos attributes = yes hostname lookups = yes security = user passdb backend = ldapsam:ldap://ldap.company.local ldap admin dn = cn=admin,dc=company,dc=local ldap suffix = dc=company,dc=local ldap user suffix = ou=Users ldap group suffix = ou=Groups ldap machine suffix = ou=Computers ldap ssl = off ldap replication sleep = 1000 ldap passwd sync = yes #ldap debug level = 1 #ldap debug threshold = 1 ldapsam:trusted = yes idmap uid = 10000-39999 idmap gid = 10000-39999 create mask = 0666 directory mask = 0777 client ntlmv2 auth = yes dos charset = CP437 unix charset = UTF-8 log level = 1 [share] path = /mnt/zfs0 printable = no veto files = /.snap/.windows/.zfs/ writeable = yes browseable = yes inherit owner = no inherit permissions = no vfs objects = zfsacl guest ok = no inherit acls = Yes map archive = No map readonly = no nfs4:mode = special nfs4:acedup = merge nfs4:chown = yes hide dot files force directory mode = 0775 force create mode = 0660

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• How to update the original InfoPath form from within Workflow?

  - by Allen.Zhang

  Hi All, I have created an InfoPath form (e.g. Form_ExpenseReport) for collect data from end users, and a number of task forms (also InfoPath form, e.g. TaskForm_1, TaskForm_2) for my state machine workflow use. The users want to see all the comments of Task forms (TaskForm_1 & TaskForm_2) in the original IP form (Form_ExpenseReport). How can I update the first form from within workflow? Can anybody give me some tips? My environment: MOSS 2007 Enterprise license VS 2008

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• How to gain greater control of network packets on Android

  - by mauvehead

  I'm looking to design an application that will require some deep control over IP packets. Looking over the reference guide on the developers site at Android I see very limited control over packets from java.net:SocketOptions and java.net:DatagramPacket. Specifically I'm looking to control the individual bits within the packet to set TCP Flags, SYN/ACK/RST, and so forth. Based on the docs I am assuming I cannot do this within the Java API provided by Android and I'm guessing I'll have to do it some other way? Anyone have any insight on this?

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• TypeError: Python thinks that I passed a function 2 arguments but I only passed it 1

  - by slhck

  I work on something in Seattle Repy which is a restricted subset of Python. Anyway, I wanted to implement my own Queue that derives from a list: class Queue(list): job_count = 0 def __init__(self): list.__init__(self) def appendleft(item): item.creation_time = getruntime() item.current_count = self.job_count self.insert(0, item) def pop(): item = self.pop() item.pop_time = getruntime() return item Now I call this in my main server, where I use my own Job class to pass Jobs to the Queue: mycontext['queue'] = Queue() # ... job = Job(str(ip), message) mycontext['queue'].appendleft(job) The last line raises the following exception: Exception (with type 'exceptions.TypeError'): appendleft() takes exactly 1 argument (2 given) I'm relatively new to Python, so could anyone explain to me why it would think that I gave appendleft() two arguments when there obviously was only one?

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• Database indexes - what should they be

  - by WebweaverD

  Most of my database tables have a clear unique index through which lookups are done 90% of the time but I am a bit unsure on this one - I have a table which keeps track of user rating totals for items in my database, I now want to add another table, to track individual ratings with an ip address column to make sure no one can rate something twice. Since I can see this becoming a big, high use table it is important to optimize it correctly. (MYSQL table) This table will have the following fields: rating_id(always - unique), item_id (always - not unique), user_id (optional - not unique), ip_address (always - not unique), rating_value(always - not unique), has_review(bool) Now I envisions 90% the queries going something like this: When a user rates something - select where item_id = x and ip_address = y, (if rows = 0) insert rating When in user account pages - select where ip_address = x or username = y Now none of the fields searched on are unique, can I still use them as indexes (for example item _id and ip_address), can I have two indexes and will this still improve performance over a non indexed table?

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• C, Linux: Receiving data from multiple multicast address on same port - how to distinguish them?

  - by Gigi

  2 vote down star I have an application that is receiving data from multiple multicast sources on the same port. I am able to receive the data. However, I am trying to account for statistics of each group (i.e. msgs received, bytes received) and all the data is getting mixed up. Does anyone know how to solved this problem? If I try to look at the sender's address, it is not the multicast address, but rather the IP of the sending machine. I am using the following socket options: struct ip_mreq mreq; mreq.imr_multiaddr.s_addr = inet_addr("224.1.2.3"); mreq.imr_interface.s_addr = INADDR_ANY; setsockopt(s, IPPROTO_IP, IP_ADD_MEMBERSHIP, &mreq, sizeof(mreq)); and also: setsockopt(s, SOL_SOCKET, SO_REUSEPORT, &reuse, sizeof(reuse)); I appreciate any help!!!

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• Asterisk in eregi

  - by Mihai

  //URL START $urlregex = "^(https?|ftp)\:\/\/"; // USER AND PASS $urlregex .= "([a-z0-9+!*(),;?&=\$_.-]+(\:[a-z0-9+!*(),;?&=\$.-]+)?@)?"; // HOSTNAME OR IP $urlregex .= "[a-z0-9+\$-]+(.[a-z0-9+\$_-]+)*"; // PORT $urlregex .= "(\:[0-9]{2,5})?"; // PATH $urlregex .= "(\/([a-z0-9+\$_-].?)+)*\/?"; // GET Query $urlregex .= "(\?[a-z+&\$.-][a-z0-9;:@/&%=+\$.-]*)?"; // ANCHOR $urlregex .= "(#[a-z_.-][a-z0-9+\$_.-]*)?\$"; // check if (eregi($urlregex, $url)) {echo "good";} else {echo "bad";} but what if I have http://www.example.com/about-me/my-4*-hotel/ That eregi check isn't valid because of the asterisk. What should I do?

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• php writing array in a text file fails, why?

  - by Tarique Imam

  trying to write an array to a text file, but it is failed, can anybody say, WHY? $filename= 't12a'; for ($pnum = 1; $pnum <= 15; $pnum++){ $bbal = 3; $ipmnt = 14 * 5; $ppmnt = 26 - 7; $ebal = 48 - 4; $ccint = 54 + 45; $cpmnt = 25 + 54; $db_data_txt[] = array('pn' => $pnum, 'bb' => sprintf("%01.2f",$bbal),'ip'=>sprintf("%01.2f",$ipmnt),'pp'=>sprintf("%01.2f",$ppmnt),'eb'=>sprintf("%01.2f",$ebal),'ci'=>sprintf("%01.2f",$ccint),'cp'=>sprintf("%01.2f",$cpmnt)); } $con= $db_data_txt; if ( ! write_file("./files/{$filename}.doc", $con)) { echo 'Unable to write the file'; } else { echo 'File written!'; }

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• Image manipulation with JQuery and PHP

  - by robertdd

  I want to do some kind of image editor, after I upload more images I want to make a list with all the thumbnails! After, I want to be able to click on one thumb and rotate, duplicate, drag and drop (to change positions of the images), and delete the image. I want all the images to be in a php array. If an image is deleted I want to delete the row from array too. If a image is drag-and-dropped I want to change the position in the array too. Ok, after the user uploads all the images and modifies some of them, how can I make a DONE button to save the positions of the images? For this small project how do you suggest I save the images? (to make a table in mysql and store the names of the images in the database depending on the session id? depending on the IP?) Any suggestions are welcome!

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• Sendmail Tuning For Batch Mail Jobs

  - by Kyle Brandt

  I have a webservers that send out emails to a sendmail relay server as a batch job. The emails need to be accepted by the relay sendmail server as fast as possible, however, they do not need to go out (be relayed) very quickly. I am seeing a couple timeouts once and a while from the webserver trying to connect to the relay server. The load currently is about 30 emails a second for a couple minutes. There are quite a few tuning options for sendmail in the sendmail tuning guide. What I am focusing on now is the Delivery Mode: Delivery Mode There are a number of delivery modes that sendmail can operate in, set by the DeliveryMode ( d) configuration option. These modes specify how quickly mail will be delivered. Legal modes are: i deliver interactively (synchronously) b deliver in background (asynchronously) q queue only (don't deliver) d defer delivery attempts (don't deliver) There are tradeoffs. Mode i gives the sender the quickest feedback, but may slow down some mailers and is hardly ever necessary. Mode b delivers promptly but can cause large numbers of processes if you have a mailer that takes a long time to deliver a message. Mode q minimizes the load on your machine, but means that delivery may be delayed for up to the queue interval. Mode d is identical to mode q except that it also prevents lookups in maps including the -D flag from working during the initial queue phase; it is intended for ``dial on demand'' sites where DNS lookups might cost real money. Some simple error messages (e.g., host unknown during the SMTP protocol) will be delayed using this mode. Mode b is the usual default. If you run in mode q (queue only), d (defer), or b (deliver in background) sendmail will not expand aliases and follow .forward files upon initial receipt of the mail. This speeds up the response to RCPT commands. Mode i should not be used by the SMTP server. I currently have the CentOS default modes: Sendmail.cf: DeliveryMode=background Submit.cf: DeliveryMode=i Is sendmail.cf/mc for outgoing email from relay (to the intertubes) and sumbit.cf/mc for incoming eamil (from my webservers). Would it make sense to change the outgoing delivery mode to queue? If I did, what would the outbound email flow behave like? If this is the right thing to do, can anyone show me example mc configurations for this change? If it isn't, what recommendations are there for these constraints?

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