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• Windows7 IIS7: zips don't have php5isapi.dll Can I use php.dll instead?

  - by Pete Alvin

  The page: How to Install PHP 5.2 on IIS 7and Windows Vista (and a few others) reference a mysterious php5isapi.dll which is not in the Windows install, or the zip files: php-5.3.2-Win32-VC9-x86.zip - VC9 x86 Thread Safe php-5.3.2-nts-Win32-VC9-x86.zip - VC9 x86 Non Thread Safe There was another post on stackoverflow that said it's obsolete and replaced by "fastapi" but no instructions mention this. I did find a php.dll in the zip file. Can I use that instead of php5isapi.dll? It's very frustrating trying to install basic PHP5 on Windows with MySQL.

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• Setup git repository on gentoo server using gitosis & ssh

  - by ikso

  I installed git and gitosis as described here in this guide Here are the steps I took: Server: Gentoo Client: MAC OS X 1) git install emerge dev-util/git 2) gitosis install cd ~/src git clone git://eagain.net/gitosis.git cd gitosis python setup.py install 3) added git user adduser --system --shell /bin/sh --comment 'git version control' --no-user-group --home-dir /home/git git In /etc/shadow now: git:!:14665:::::: 4) On local computer (Mac OS X) (local login is ipx, server login is expert) ssh-keygen -t dsa got 2 files: ~/.ssh/id_dsa.pub ~/.ssh/id_dsa 5) Copied id_dsa.pub onto server ~/.ssh/id_dsa.pub Added content from file ~/.ssh/id_dsa.pub into file ~/.ssh/authorized_keys cp ~/.ssh/id_dsa.pub /tmp/id_dsa.pub sudo -H -u git gitosis-init < /tmp/id_rsa.pub sudo chmod 755 /home/git/repositories/gitosis-admin.git/hooks/post-update 6) Added 2 params to /etc/ssh/sshd_config RSAAuthentication yes PubkeyAuthentication yes Full sshd_config: Protocol 2 RSAAuthentication yes PubkeyAuthentication yes PasswordAuthentication no UsePAM yes PrintMotd no PrintLastLog no Subsystem sftp /usr/lib64/misc/sftp-server 7) Local settings in file ~/.ssh/config: Host myserver.com.ua User expert Port 22 IdentityFile ~/.ssh/id_dsa 8) Tested: ssh [email protected] Done! 9) Next step. There I have problem git clone [email protected]:gitosis-admin.git cd gitosis-admin SSH asked password for user git. Why ssh should allow me to login as user git? The git user doesn't have a password. The ssh key I created is for the user expert. How this should work? Do I have to add some params to sshd_config?

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• How do I configure custom URL handlers on OS X?

  - by cwd

  I've been reading a lot online about custom URL handlers / custom protocol handlers such as: Launching External Applications using Custom Protocols under OSX OS X URL handler to open links to local files I get that you can tell the system that a particular program is able to handle a certain scheme / protocol with the Info.plist file: <key>CFBundleURLTypes</key> <array> <dict> <key>CFBundleURLName</key> <string>Local File</string> <key>CFBundleURLSchemes</key> <array> <string>local</string> </array> </dict> </array> <key>NSUIElement</key> <true/> But if there are multiple applications that are capable of opening the same URL handler, such as mailto: how do you specify which one you want the system to use? There were some references to utilities like the More Internet preference pane which no longer seems to be available from the author's site. I did find it online by Googling but it seems a bit shaky - like it was written for an older OSX - perhaps Tiger. I haven't been able to find information on how to set the URL handler for protocols and custom protocols. I'm assuming there is a plist file somewhere that I can edit - or maybe there is a newer, better utility that works well with Mountain Lion?

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• Some Mac applications crash frequently, with "__THE_SYSTEM_HAS_NO_PORT_SETS_AVAILABLE__" in backtrace

  - by smokris

  Recently I'm finding that some Mac OS X applications are crashing frequently with backtraces like the following: Process: Mail [39226] Path: /Applications/Mail.app/Contents/MacOS/Mail Identifier: com.apple.mail Version: 4.4 (1082) Build Info: Mail-10820000~1 Code Type: X86-64 (Native) Parent Process: launchd [338] Date/Time: 2011-01-12 21:59:48.383 -0500 OS Version: Mac OS X 10.6.6 (10J567) Report Version: 6 Exception Type: EXC_BREAKPOINT (SIGTRAP) Exception Codes: 0x0000000000000002, 0x0000000000000000 Crashed Thread: 12 Dispatch queue: com.apple.root.default-priority [...] Thread 12 Crashed: Dispatch queue: com.apple.root.default-priority 0 com.apple.CoreFoundation 0x00007fff81653975 __THE_SYSTEM_HAS_NO_PORT_SETS_AVAILABLE__ + 5 1 com.apple.CoreFoundation 0x00007fff815a1f69 __CFRunLoopFindMode + 553 2 com.apple.CoreFoundation 0x00007fff815a1c5d __CFRunLoopCreate + 317 3 com.apple.CoreFoundation 0x00007fff815a1a78 _CFRunLoopGet0 + 744 4 com.apple.CoreFoundation 0x00007fff815dc90a CFRunLoopRunInMode + 58 5 com.apple.MessageFramework 0x00007fff81d01183 +[NSRunLoop(MessageExtensions) _flushQueuedEventsAddingSource:] + 120 6 com.apple.MessageFramework 0x00007fff81d010d2 +[NSRunLoop(MessageExtensions) flushQueuedEvents] + 36 7 com.apple.MessageFramework 0x00007fff81ce6515 -[_MFInvocationOperation main] + 275 8 com.apple.Foundation 0x00007fff83921de4 -[__NSOperationInternal start] + 681 9 com.apple.Foundation 0x00007fff83a00beb __doStart2 + 97 10 libSystem.B.dylib 0x00007fff801402c4 _dispatch_call_block_and_release + 15 11 libSystem.B.dylib 0x00007fff8011e831 _dispatch_worker_thread2 + 239 12 libSystem.B.dylib 0x00007fff8011e168 _pthread_wqthread + 353 13 libSystem.B.dylib 0x00007fff8011e005 start_wqthread + 13 [...] Any ideas about what might be causing this and/or how to remedy it?

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• check_snmp warning & critical thresholds with negative values

  - by Oesor

  I'm querying some signal level values measured in dBm, and the SNMP host on the remove device reports the values as negative values, ie, -90 dBm. However, check-snmp seems to be incapable of dealing with negative numbers as part of its threshold values. If I specify the values as part of a collection of OIDs, it accepts the syntax but converts the snmp value to positive, thus always generating a WARNING/CRITICAL result: root@ops-00:/usr/local/nagios/libexec# ./check_snmp -H 192.168.1.100 -o DEVICE-MIB::AverageReceiveSNR.0,DEVICE-MIB::CurrentNoiseFloor.0 -w 10:,~:-85 -c 15:,~:-80 -vvvv /usr/bin/snmpget -t 1 -r 5 -m ALL -v 1 [authpriv] 192.168.1.100:161 DEVICE-MIB::AverageReceiveSNR.0 DEVICE-MIB::CurrentNoiseFloor.0 DEVICE-MIB::AverageReceiveSNR.0 = INTEGER: 25 DEVICE-MIB::CurrentNoiseFloor.0 = INTEGER: -97 Processing line 1 oidname: DEVICE-MIB::AverageReceiveSNR.0 response: = INTEGER: 25 Processing line 2 oidname: DEVICE-MIB::CurrentNoiseFloor.0 response: = INTEGER: -97 SNMP CRITICAL - 25 *97* | DEVICE-MIB::AverageReceiveSNR.0=25 DEVICE-MIB::CurrentNoiseFloor.0=97 If I run it with a single OID, it gives me an error that the format is incorrect: root@ops-00:/usr/local/nagios/libexec# ./check_snmp -H 192.168.1.100 -o DEVICE-MIB::CurrentNoiseFloor.0 -w ~:-85 -c ~:-80 -vvvv Range format incorrect And if I run it with no thresholds defined, it works properly and returns the right value. This makes the graphs correct, however it'll never generate a notification when out of range: root@ops-00:/usr/local/nagios/libexec# ./check_snmp -H 192.168.1.100 -o DEVICE-MIB::CurrentNoiseFloor.0 -vvvv /usr/bin/snmpget -t 1 -r 5 -m ALL -v 1 [authpriv] 192.168.1.100:161 DEVICE-MIB::CurrentNoiseFloor.0 DEVICE-MIB::CurrentNoiseFloor.0 = INTEGER: -97 Processing line 1 oidname: DEVICE-MIB::CurrentNoiseFloor.0 response: = INTEGER: -97 SNMP OK - -97 | DEVICE-MIB::CurrentNoiseFloor.0=-97 What am I doing wrong here? How would I, for example, generate a CRITICAL when the noise floor is -80 dBm or higher, a WARNING when it's -85 to -80 dBm, and an OK when -85 dBm or lower? Do I have to write my own SNMP plugins when dealing with negative values?

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• Windows Service with Logon a user

  - by David.Chu.ca

  I have a service running in a box with Windows XP and a box of Server (2003). There is one service running in autmactic mode. If I set the log on with a local user, the service will stop running if the user logs off the account from the Windows? In other words, in order to keep the service running, have I to keep the user as login mode? I understand that the service can be set as local system which will not need any one to login as long as the box is powered on. However, the service I need to run has to be running as a local user with the required permissions. The problem I have right now is that the box may reboot itself. If that happens, no one is logged in yet until some one has to log in as the required user. I want to make sure if the required user has to be as a log on user first. If that's the case, any suggestion to deal with unexpected reboot issue?

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• Can't install MailParse on cpanel server

  - by Tom

  Hi, I've got a linux vps running CentOs 5.5 (cpanel/whm), I've installed MailParse via Module Installers section on whm, and it did install it, the end of setup log: running: make INSTALL_ROOT="/root/tmp/pear-build-root/install-mailparse-2.1.5" install Installing shared extensions: /root/tmp/pear-build-root/install-mailparse-2.1.5/usr/lib/php/extensions/no-debug-non-zts-20090626/ running: find "/root/tmp/pear-build-root/install-mailparse-2.1.5" | xargs ls -dils 508718 4 drwxr-xr-x 3 root root 4096 Feb 6 21:08 /root/tmp/pear-build-root/install-mailparse-2.1.5 508745 4 drwxr-xr-x 3 root root 4096 Feb 6 21:08 /root/tmp/pear-build-root/install-mailparse-2.1.5/usr 508746 4 drwxr-xr-x 3 root root 4096 Feb 6 21:08 /root/tmp/pear-build-root/install-mailparse-2.1.5/usr/lib 508747 4 drwxr-xr-x 3 root root 4096 Feb 6 21:08 /root/tmp/pear-build-root/install-mailparse-2.1.5/usr/lib/php 508748 4 drwxr-xr-x 3 root root 4096 Feb 6 21:08 /root/tmp/pear-build-root/install-mailparse-2.1.5/usr/lib/php/extensions 508749 4 drwxr-xr-x 2 root root 4096 Feb 6 21:08 /root/tmp/pear-build-root/install-mailparse-2.1.5/usr/lib/php/extensions/no-debug-non-zts-20090626 508744 196 -rwxr-xr-x 1 root root 193502 Feb 6 21:08 /root/tmp/pear-build-root/install-mailparse-2.1.5/usr/lib/php/extensions/no-debug-non-zts-20090626/mailparse.so Build process completed successfully Installing '/usr/lib/php/extensions/no-debug-non-zts-20090626/mailparse.so' install ok: channel://pecl.php.net/mailparse-2.1.5 Extension mailparse enabled in php.ini The mailparse.so object is not in /usr/local/lib/php/extensions/no-debug-non-zts-20090626 Now, when i try to use mailparse functions using php i get the following error: PHP Warning: PHP Startup: Unable to load dynamic library '/usr/local/lib/php/extensions/no-debug-non-zts-20090626/mailparse.so' - /usr/local/lib/php/extensions/no-debug-non-zts-20090626/mailparse.so: cannot open shared object file: No such file or directory in Unknown on line 0 What should i do?

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• Exchange 2010 Hub cannot deliver to Exchange 2007 Hub - "451 5.7.3 Cannot achieve Exchange Server authentication"

  - by Graeme Donaldson

  We have an existing Exchange 2007 server in Site A (exch07). I've installed an Exchange 2010 server in Site B (exch10). Both servers have the CAS, Mailbox and Hub roles. Messages sent via SMTP on exch10 which are destined for mailboxes on exch07 are queued with the "Last Error" reported in Queue Viewer as '451 4.4.0 Primary target IP address responded with: "451 5.7.3 Cannot achieve Exchange Server authentication." Attempted failover to alternate host, but that did not succeed. Either there are no alternate hosts, or delivery failed to all alternate hosts.' I've found that some people have resolved this by creating new Receive Connectors which are scoped specifically to apply to connections from the remote hub/s, but I have had no luck doing this. Specifically I created new receive connectors on both servers with the following settings: Remote IP = IP/s of remote server Authentication = "Transport Layer Security (TLS)" and "Exchange Server authentication" Permission Groups = "Exchange servers" and "Legacy Exchange Servers" This made no difference, I see the same error message. What am I missing? Update: We noticed that the Application log had this error message from MSExchangeTransportService: Microsoft Exchange could not find a certificate that contains the domain name exch07.domain.local in the personal store on the local computer. Therefore, it is unable to support the STARTTLS SMTP verb for the connector exch10 with a FQDN parameter of exch07.domain.local. If the connector's FQDN is not specified, the computer's FQDN is used. Verify the connector configuration and the installed certificates to make sure that there is a certificate with a domain name for that FQDN. If this certificate exists, run Enable-ExchangeCertificate -Services SMTP to make sure that the Microsoft Exchange Transport service has access to the certificate key. It turns out that the default self-signed certificate was no longer enabled for the SMTP service for some reason. After enabling the self-signed certificate for SMTP, we no longer get the error in the event logs, but delivery is still failing with the same error message. Update 2: I put a mailbox on exch10 and attempted to deliver a message via SMTP on exch07 and I get the same error.

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• Unable to Access Certain Websites

  - by codejoust

  Through a local network, all computers except one ubuntu machine can access 1. Adobe.com 2. Icann.org 3. Apache.org 4. Example.com. The ubuntu machine returns (in firefox): "Though the site seems valid, the browser was unable to establish a connection." Furthermore, when I traceroute those websites using the ubuntu machine, they all return ubuntu.local, and it ends there: (traceroute to icann.org (192.0.32.7), 30 hops max, 40 byte packets 1 ubuntu.local (192.168.1.105) 3000.791 ms !H 3000.808 ms !H 3000.814 ms !H I've checked the hosts file, and there isn't anything in there, and I have an apache server there so if it was redirected to localhost, I'd probably see the localhost webroot page. Thanks in advance! user@ubuntu:~$ netstat -nr Kernel IP routing table Destination Gateway Genmask Flags MSS Window irtt Iface 169.254.0.0 0.0.0.0 255.255.0.0 U 0 0 0 eth1 192.0.0.0 0.0.0.0 255.0.0.0 U 0 0 0 eth1 0.0.0.0 192.168.1.1 0.0.0.0 UG 0 0 0 eth1 The Ubuntu Machine is one of six on the network. I'm using opendns for dns, so I do think that should be a problem.

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• Installing Ruby 1.9.3 OSX 10.7.4 breaks after altering PATH

  - by R V

  I was having trouble installing ruby 1.9.3-p194 from ruby 1.8.7 on my mac osx 10.7.4. I have was trying to fix my homebrew after running "brew doctor" and got the message of "/usr/bin occurs before /usr/local/bin This means that system-provided programs will be used instead of those provided by Homebrew. The following tools exist at both paths: c++-4.2 cpp-4.2 erb g++-4.2 gcc-4.2 gcov-4.2 gem i686-apple-darwin11-cpp-4.2.1 i686-apple-darwin11-g++-4.2.1 i686-apple-darwin11-gcc-4.2.1 irb rake rdoc ri ruby testrb" I fixed it by entering the following, which I found on another stackoverflow answer: export PATH="/usr/local/bin:/usr/local/sbin:~/bin$PATH" Lo and behold! when I typed that ruby updates to 1.9.3-p194. Ruby files seem to compile and run just fine. However, afterward, my navigation around terminal is messed up severely. For instance I can't do the command "open example_file.html" and have the file pop up in Chrome, instead I get the error: "-bash: open: command not found" Also, when I change directory, I get an error, inputting "$ cd desktop" yields the output, "-bash: dirname: command not found" but the directory does then changes... strange. When I exit out of a terminal window all this resets. I'm back to Ruby 1.8.7, have to use the PATH command again to update to 1.9.3, command line navigation gets broken again. Any guidance on how to remedy so I can use 1.9.3-p194 and also have normal terminal navigation would be greatly appreciated.

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• pptpd-logwtmp.so config wrong ip address

  - by rgc

  i have setup a pptp vpn on ubuntu 10.04, and i config local ip address , remote ip address as following: local IP address 10.0.30.100 remote IP address 192.168.13.100 after i use windows to connect to vpn server in windows , i only could send packets, can not receive any packets. i also check the pptp log in ubuntu server, and find this strange thing rcvd [IPCP ConfAck id=0x1 <compress VJ 0f 01> <addr 10.0.30.100>] rcvd [IPCP ConfReq id=0x2 <compress VJ 0f 01> <addr 192.168.13.100> <ms-dns1 202.119.32.6> <ms-dns2 202.119.32.12>] sent [IPCP ConfAck id=0x2 <compress VJ 0f 01> <addr 192.168.13.100> <ms-dns1 202.119.32.6> <ms-dns2 202.119.32.12>] Cannot determine ethernet address for proxy ARP local IP address 10.0.30.100 remote IP address 192.168.13.100 pptpd-logwtmp.so ip-up ppp0 **172.25.146.174** i did not set 172.25.146.174, it should be 192.168.13.100, can anyone tell me what should i do to fix this problem?

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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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• Mercurial internal Setup on Windows 7 - Exception happened during processing of request from ...

  - by Sad0w1nL1ght

  Hy, i have 1 central repository and many locals. On my machine i have local and a central repository too. I can make clone/commit/update/push/pull very easy between the local and central repository on my local machine. but when i want to make a clone from another machine it gets an error. listening at http://MyLocalMachine:8000/ (bound to *:8000) ---------------------------------------- Exception happened during processing of request from ('192.168.0.194', 49319) Traceback (most recent call last): File "SocketServer.pyc", line 558, in process_request_thread File "SocketServer.pyc", line 320, in finish_request File "mercurial\hgweb\server.pyc", line 47, in __init__ File "SocketServer.pyc", line 615, in __init__ File "BaseHTTPServer.pyc", line 329, in handle File "BaseHTTPServer.pyc", line 323, in handle_one_request File "mercurial\hgweb\server.pyc", line 79, in do_GET File "mercurial\hgweb\server.pyc", line 70, in do_POST File "mercurial\hgweb\server.pyc", line 63, in do_write File "mercurial\hgweb\server.pyc", line 127, in do_hgweb File "mercurial\hgweb\hgweb_mod.pyc", line 86, in __call__ File "mercurial\hgweb\hgweb_mod.pyc", line 118, in run_wsgi ErrorResponse ---------------------------------------- The command line wich started the central repo: hg serve -R TT -n TTZoli The command from remote machine for cloning: hg clone --pull http://MyLocalMachine:8000/TT Config for the central repo: [ui] username = MyLocalUserName username = test <[email protected]> with this user i'm trying to acces the central repo [web] push_ssl = false Config for the remote repo: [ui] username = test <[email protected]> [web] push_ssl = false I'm not sure if it's relevant,my firewall is turned off on both machines, and the files in /hg folder are not versioned on the server, except hgignore. Could you please suggest some ideas? What could be the problem? Thanks in advance!

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• Authenticate VNC session with ConsolKit?

  - by lori

  I have a linux machine running Fedora 16 in a cupboard. It has no screen or keyboard. I connect to it using a combination of vnc and ssh. Recently, after an update, I have had issues with authentication on the machine. If I vnc to it, the kde desktop pops up an error dialog every few minutes saying Authorization failed. Failed to obtain authentication. If I plug in a USB drive it fails to mount, Dolphin reports an authentication issue again. I have had limited success finding the solution. AFAICT, it is an issue with ConsoleKit deeming me to be a non-local user so it prevents authentication. This is the output from ck-list-sessions: $ ck-list-sessions Session5: unix-user = '1000' realname = 'steve' seat = 'Seat6' session-type = '' active = FALSE x11-display = ':1' x11-display-device = '' display-device = '' remote-host-name = '' is-local = FALSE on-since = '2012-09-16T08:07:03.137011Z' login-session-id = '1' I have tried to update my .vnc/xstartup script to include ck-launch-session as follows: $ cat ~/.vnc/xstartup #!/bin/sh exec ck-launch-session vncconfig -iconic & unset SESSION_MANAGER unset DBUS_SESSION_BUS_ADDRESS export XKL_XMODMAP_DISABLE=1 OS=`uname -s` if [ $OS = 'Linux' ]; then case "$WINDOWMANAGER" in *gnome*) if [ -e /etc/SuSE-release ]; then PATH=$PATH:/opt/gnome/bin export PATH fi ;; esac fi if [ -x /etc/X11/xinit/xinitrc ]; then exec ck-launch-session /etc/X11/xinit/xinitrc fi if [ -f /etc/X11/xinit/xinitrc ]; then exec ck-launch-session sh /etc/X11/xinit/xinitrc fi [ -r $HOME/.Xresources ] && xrdb $HOME/.Xresources exec ck-launch-session xsetroot -solid grey exec ck-launch-session xterm -geometry 80x24+10+10 -ls -title "$VNCDESKTOP Desktop" & exec ck-launch-session twm & This has not helped. How can I either authenticate myself to ConsoleKit, or trick it into believing I am a local user?

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• Managing multiple IMAP accounts in Thunderbird

  - by baritoneuk

  I've been using Thunderbird for years without issues with 20+ pop3 accounts. I'm moving over to imap which will enable me to keep copies of the emails locally and on the server whilst keeping everthing synchronised. However I'm looking for the best way to manage multiple imap accounts on Thunderbird. Currently I have a filter that copies all the emails into a central inbox and into seperate local folders. The reason for this is I go through my inbox daily and delete all emails that don't require any action. I move any emails that require action to my "action" imap account folder. This way I can syncronise all the emails that require action across multiple computers (and mobile devices). This technique is my implemantion of the GTD or Getting things Done philosophy. I also copy over each email into seperate local folders. The reason I do this is just in case any emails on the imap accounts get deleted, or something drastic happens on the server which means I lose all the emails. My business partner has access to some of these emails and still uses pop3 (with "leave copy on server" checked), but I know sometimes Thunderbird can still delete emails off the server sometimes. The problem with the above is that thunderbird gives me the dreaded error dialogue saying that the emails cannot be filtered due to another process. I find the folder list in Thunderbird hard to manage. Here is a screenshot of part of my folder list- as you can see it's a bit of a complicated list and not easy to manage: What would be the best way of me managing multiple imap accounts whilst allowing me to have copies put in a central folder and emails in local folders? It would be useful if people think this is necessary, as perhaps there is a betterway? How do people manage multiple imap accounts in a way that allows them to keep on top of actionable emails? I'd be interested in how others manage this. I've never used the Thunderbird-based client "Postbox", does this handle multiple imaps better?

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• tcp msl timeout implementation in linux

  - by iamrohitbanga

  The following is given in the book TCP IP Illustrated by Stevens Quiet Time Concept The 2MSL wait provides protection against delayed segments from an earlier incarnation of a connection from being interpreted as part of a new connection that uses the same local and foreign IP addresses and port numbers. But this works only if a host with connections in the 2MSL wait does not crash. What if a host with ports in the 2MSL wait crashes, reboots within MSL seconds, and immediately establishes new connections using the same local and foreign IP addresses and port numbers corresponding to the local ports that were in the 2MSL wait before the crash? In this scenario, delayed segments from the connections that existed before the crash can be misinterpreted as belonging to the new connections created after the reboot. This can happen regardless of how the initial sequence number is chosen after the reboot. To protect against this scenario, RFC 793 states that TCP should not create any connections for MSL seconds after rebooting. This is called the quiet time Few implementations abide by this since most hosts take longer than MSL seconds to reboot after a crash. Do operating systems wait for 2MSL seconds now after a reboot before initiating a TCP connection. The boot times are also less these days. Although the ports and sequence numbers are random but is this wait implemented in Linux? Also RFC 793 says that this wait is not required if history is maintained. Does linux maintain any history of used sequence numbers for connections to handle this case?

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• Chrome browser completely messing with network?

  - by kiasecto

  I have a bizare problem with Google Chrome on a intel core i5 running windows 7 32bit. Whenever chrome is installed, access to other computers in the home group becomes really slow - such as opening shares. Its becomes really slow to resolve windows names. Something goes hay-wire with the local network - pining local machines which is usually 0mS pings I get random timeouts and random successes. Whenever I try to load a local address inside of chrome (including localhost, 192.168.0.1 etc) - it always says something in the status bar about resolving proxy and times out after about 5 seconds, then seems to work fine. If I go to settings inside of chrome, it just brings up the internet explorer connection settings, where I have not set any proxy settings. One I uninstall chrome, all these problems go away. Network shares and name resolvings work instantly, pings to any machines never have a problem. Localhost and other network IP address work fine in all other browsers. Anyone heard of this problem before and know what it might be? I even tried re-installing winodws 7 and the problem came straight back when chrome was loaded on again.

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• Installing PHP APC in Fedora - Unable to initialize module ?

  - by sri

  I have been trying to install APC on my Fedora Apache Server for showing progress bar while uploading files. But I am getting the following PHP Warning while starting XAMPP. Starting XAMPP for Linux 1.7.1... PHP Warning: PHP Startup: apc: Unable to initialize module Module compiled with module API=20090626, debug=0, thread-safety=0 PHP compiled with module API=20060613, debug=0, thread-safety=0 These options need to matchin Unknown on line 0 XAMPP: Starting Apache with SSL (and PHP5)... XAMPP: Starting MySQL... XAMPP: Another FTP daemon is already running. XAMPP for Linux started. My Server Details : OS : Fedora-12 XAMPP version : 1.7.1 PHP Version : 5.2.9 APC Version : 3.1.9 I have tried the process as is mentioned in here : 1)http://2bits.com/articles/installing-php-apc-gnulinux-centos-5.html 2)http://stevejenkins.com/blog/2011/08/how-to-install-apc-alternative-php-cache-on-centos-5-6/

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• How do I correctly SSH port forward using LiveReload on Redhat?

  - by program247365

  Referencing this page: http://feedback.livereload.com/knowledgebase/articles/86280-if-you-edit-files-directly-on-your-server It says you can remotely port forward the LiveReload specific port of 35729, using this command: ssh -L 35729:127.0.0.1:35729 mylogin@myremoteserverIP When I run the -v option, I get: debug1: Local connections to LOCALHOST:35729 forwarded to remote address 127.0.0.1:35729 debug1: Local forwarding listening on ::1 port 35729. debug1: channel 0: new [port listener] debug1: Local forwarding listening on 127.0.0.1 port 35729. debug1: channel 1: new [port listener] debug1: channel 2: new [client-session] debug1: Entering interactive session. debug1: Sending environment. debug1: client_input_channel_req: channel 2 rtype [email protected] reply 1 debug1: Connection to port 35729 forwarding to 127.0.0.1 port 35729 requested. debug1: channel 3: new [direct-tcpip] channel 3: open failed: connect failed: Connection refused debug1: channel 3: free: direct-tcpip: listening port 35729 for 127.0.0.1 port 35729, connect from 127.0.0.1 port 63673, nchannels 4 I thought editing my /etc/services with this line, would work, but it doesn't: livereload 35729/tcp # livereload usage with guard-livereload Every time I attempt to connect with the browser extension, I believe It's getting blocked by my server. What am I missing here? Do I need to edit /etc/services for this to work?

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• Postfix with relayhost - relay access denied for bounces

  - by Alex

  I have set up a Postfix Mailserver, outgoing mail is being sent through a smarthost/relayhost which requires authentification. That works great, internal clients can send to foreign recipients though this relayhost. However, when an external mail for a local, non-existent user arrives at the server, postfix tries to send a non-delivery notification to the sender. This mail is also sent through the relayhost obviously, but it fails with error 554 5.7.1 : Relay access denied This gets logged to the mail.log: Nov 9 10:26:42 mail postfix/local[5051]: 6568CC1383: to=<[email protected]>, relay=local, delay=0.13, delays=0.02/0.02/0/0.09, dsn=5.1.1, status=bounced (unknown user: "test") Nov 9 10:26:42 mail postfix/cleanup[5045]: 85DF9BFECD: message-id=<[email protected]> Nov 9 10:26:42 mail postfix/qmgr[4912]: 85DF9BFECD: from=<>, size=3066, nrcpt=1 (queue active) Nov 9 10:26:42 mail postfix/bounce[5052]: 6568CC1383: sender non-delivery notification: 85DF9BFECD Nov 9 10:26:42 mail postfix/qmgr[4912]: 6568CC1383: removed Nov 9 10:26:43 mail postfix/smtp[5053]: 85DF9BFECD: to=<[email protected]>, relay=mail.provider.com[168.84.25.111]:587, delay=0.48, delays=0.02/0.01/0.26/0.18, dsn=5.7.1, status=bounced (host mail.provider.com[168.84.25.111] said: 554 5.7.1 <[email protected]>: Relay access denied (in reply to RCPT TO command)) Nov 9 10:26:43 mail postfix/qmgr[4912]: 85DF9BFECD: removed According to this error, I suppose that postfix does not login at the relayhost when sending those bounces. Why? Normal outgoing mail works just fine. This is how my main.cf looks like: http://pastebin.com/Uu1Dryxy And of course /etc/postfix/sasl_password contains the correct credentials for the relayhost. Thanks in advance!

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• Can not access SQLServer database

  - by btrey

  I'm trying to convert an Access database to use a SQLServer backend. I've upsized the database and everything works on the server, but I'm unable to access it remotely. I'm running SQLServer Express 2005 on Windows Server 2003. The server is not configured as a domain controller, nor connected to a domain. The computers I'm trying to access the server from are part of a domain, but there are no local domain controllers. I'm at a remote location and the computers are configured and connected to the domain at the home office, then shipped to us. We normally log in with cached credentials and VPN into the home office when we need to access the domain. I can use Remote Desktop Connection to access the 2k3 server which is running SQLServer. If I log into the server with my username, I can bring up the database, access it via the Trusted Connection, and the database works. If I try to run the database locally, however, I get the Server Login dialog box. I can not use a Trusted Connection because my local login is to the home office domain and is not recognized by the SQLServer machine. If I try to use the username/password that is local to the SQLServer, I get a login failed error. I've tried entering the username as "username", "workgroup/username" (where "workgroup" is the name of the workgroup on the SQLServer), "sqlservername/username" and "[email protected]" where "1.2.3.4" is the IP of the SQLServer. In all cases, I get a login failed error. As I said, I can login to the server via Remote Desktop Connection with the same username and password and use the database, so permissions for the username appear to be correct for both a remote connection and for database access. Not sure where to go from here and any assistance would be appreciated.

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• How to tell statd to use portmap on a non-localhost ipadress?

  - by jneves

  How can I make statd connect to other IP address other than 127.0.0.1? I have a server that is connected to 2 different networks (one is public, another a private). I want it to provide a NFS share for only the private network. The host in an ubuntu 8.04. The private ip address is 192.168.1.202 I changed /etc/default/portmap to add: OPTIONS="-i 192.168.1.202" The command lsof -n | grep portmap returns: portmap 10252 daemon cwd DIR 202,0 4096 2 / portmap 10252 daemon rtd DIR 202,0 4096 2 / portmap 10252 daemon txt REG 202,0 15248 13461 /sbin/portmap portmap 10252 daemon mem REG 202,0 83708 32823 /lib/tls/i686/cmov/libnsl-2.7.so portmap 10252 daemon mem REG 202,0 1364388 32817 /lib/tls/i686/cmov/libc-2.7.so portmap 10252 daemon mem REG 202,0 31304 16588 /lib/libwrap.so.0.7.6 portmap 10252 daemon mem REG 202,0 109152 16955 /lib/ld-2.7.so portmap 10252 daemon 0u CHR 1,3 960 /dev/null portmap 10252 daemon 1u CHR 1,3 960 /dev/null portmap 10252 daemon 2u CHR 1,3 960 /dev/null portmap 10252 daemon 3u unix 0xecc8c3c0 4332992 socket portmap 10252 daemon 4u IPv4 4332993 UDP 192.168.1.202:sunrpc portmap 10252 daemon 5u IPv4 4332994 TCP 192.168.1.202:sunrpc (LISTEN) portmap 10252 daemon 6u REG 0,12 289 3821511 /var/run/portmap_mapping I defined in /etc/hosts the following: 192.168.1.202 server.local In /etc/default/nfs-common I changed STATDOPTS to: STATDOPTS="--name server.local" Yet when I run /etc/init.d/nfs-common start if fails to start. The log shows: Jun 8 06:37:44 cookwork-web1 rpc.statd[9723]: Version 1.1.2 Starting Jun 8 06:37:44 cookwork-web1 rpc.statd[9723]: Flags: Jun 8 06:37:44 cookwork-web1 rpc.statd[9723]: unable to register (statd, 1, udp). An strace -f rpc.statd -n server.local results in a lot of lines, including this one: sendto(9, "\200]3\362\0\0\0\0\0\0\0\2\0\1\206\240\0\0\0\2\0\0\0\1"..., 56, 0, {sa_family=AF_INET, sin_port=htons(111), sin_addr=inet_addr("127.0.0.1")}, 16) = 56

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• Core i7 c1e and speedstepping - BSOD on shutdown

  - by DeaconDesperado

  I'm having an interesting problem with my recent Core i7 Digital Audio workstation build that I am curious to see if others have encountered. First, here are the specs on the machine. ASUS P6TD Deluxe Intel X58 Socket LGA1366 MB Intel Core i7-950 3.06Ghz 8M LGA1366 CPU CORSAIR DOMINATOR 6GB (3 x 2GB) 240-Pin DDR3 SDRAM DDR3 1600 Western Digital Caviar Black WD5001AALS 500GB Plus a couple ASUS optical drives and a 750W Corsair PSU. Running Windows 7 x64. All this is connected to the nefarious Digi 002 firewire audio interface for use with Pro Tools. I following mostly the specs posted by many other I7 users in the digidesign community who pooled their collective knowledge in this thread. Now after completing my build, I fell victim to the "UD5 squeal" described at that forum thread. So taking the advice posted, I disabled c1e advanced halt state and Intel speed stepping (I would likely have done this anyway to maintain a stable clock, power consumption isn't really a relevant concern on this machine.) I enabled XMP to set the ram timings properly as well. What I am experiencing is a BSOD upon shutdown, but only immediately after windows fully exits and ends all processes. The error is a MACHINE_CHECK_EXCEPTION 0x000000. The funny thing is that it is extremely intermitent and only occurs if the shutdown immediately followed a period of relative idleness. It does not a generate a minidump, I suspect because windows monitoring has terminated by the time this error occurs. No damage is evident and one can simply turn off manually and the system will act as though a proper shutdown had occurred. If anything it is a annoyance, I just want to be certain it is not affecting my long term stability. I have read that the i7 950 does not like DRAM voltages past 1.65, but that they are acceptable if they are within .5 of the BLCK setting. I have tried disabling XMP and setting all timings to auto and the problem still manifests in an identical way. It is suspect that the cpu idleness preceding shutdown is the determining factor, as both c1e and speedstepping are both settings intended to modify handling of this state. Any suggestions or prior experiences would be greatly appreciated. EDIT: The behavior very closely resembles what's described in this thread: http://www.tomshardware.com/forum/12003-63-shut-problem-windows The benign nature of it of is identical. I can't seem to download the hotfix cited there however.

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• PDF printer which correctly embeds EPS into PDF

  - by Alexey Popkov

  I need to convert to PDF a Word document containing embedded vector EPS images (by printing to PDF printer - I use Word 2003). Several years ago I tested some of commercial and free PDF printers and found none, with except to Acrobat Distiller, which embeds in the generated PDF file real PostScript content of the EPS image instead of the preview showed by Word. Has the situation changed from that time? Do you know any free or commercial PDF printer which handles embedded EPS correctly? UPDATE Good thread about EPS handling in different versions of Word: http://forums.adobe.com/thread/439881

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• Compiling zip component for PHP 5.2.11 in MAMP PRO

  - by Zlatoroh

  I installed MAMP PRO on my Macbook Pro (10.6) some time ago. Now I would like to use zip functions in php. I found that I must add zip.so to my extension folder and edited php.ini. On my computer I have two different versions of PHP one in MAMP folder and other in user/lib which was pre-installed on my system. Now I wish to compile my zip library for MAMP version. I got zip sources for my version of PHP then in terminal called function /Applications/MAMP/bin/php5/bin/phpize so it uses mamp php version ./configure make then I moved compile zip.so to extensions/no-debug-non-zts-20060613. When MAMP is launched it returns this error [11-Apr-2010 16:33:27] PHP Warning: PHP Startup: zip: Unable to initialize module Module compiled with module API=20090626, debug=0, thread-safety=0 PHP compiled with module API=20060613, debug=0, thread-safety=0 These options need to match in Unknown on line 0 Can somebody explain to me how to do this the right way.

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