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• OpenLDAP replication fails, "syncrepl_entry: rid=666 be_modify failed (20)"

  - by Pavel

  I've configured a second host to replicate the main LDAP server via syncrepl in the slapd.conf: syncrepl rid=666 provider=ldaps://my-main-server.com type=refreshAndPersist searchBase="dc=Staff,dc=my-main-server,dc=com" filter="(objectClass=*)" scope=sub schemachecking=off bindmethod=simple binddn="cn=repadmin,dc=my-main-server,dc=com" credentials=mypassword When I restart slapd, it writes to /var/log/debug Jun 11 15:48:33 cluster-mn-04 slapd[29441]: @(#) $OpenLDAP: slapd 2.4.9 (Mar 31 2009 07:18:37) $ ^Ibuildd@yellow:/build/buildd/openldap2.3-2.4.9/debian/build/servers/slapd Jun 11 15:48:34 cluster-mn-04 slapd[29442]: slapd starting Jun 11 15:48:34 cluster-mn-04 slapd[29442]: null_callback : error code 0x14 Jun 11 15:48:34 cluster-mn-04 slapd[29442]: syncrepl_entry: rid=666 be_modify failed (20) Jun 11 15:48:34 cluster-mn-04 slapd[29442]: do_syncrepl: rid=666 quitting I've looked into the sources for the return code and found only #define LDAP_TYPE_OR_VALUE_EXISTS 0x14 in include/ldap.h. Anyway, I don't quite get what the error message means. Can you help me debugging this problem and figure out why the LDAP replication doesn't work? I've managed to put a "manual" copy via slapcat and slapadd into the database, but I'd like to sync automatically. UPDATE: "Solved" by removing /var/lib/ldap/* and re-importing the database with slapadd.

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• Unattended Kickstart Install

  - by Eric

  I've looked around quite a bit and have seen similar setup and questions, but none seem to work for me. I'm using the following command to create a custom ISO: /usr/bin/livecd-creator --config=/usr/share/livecd-tools/test.ks --fslabel=TestAppliance --cache=/var/cache/live This works great and it creates the ISO with all of the packages and configs I want on it. My issue is that I want the install to be unattended. However, every time I start the CD, it asks for all of the info such as keyboard, time zone, root password, etc. These are my basic settings I have in my kickstart script prior to the packages section. cdrom install autopart autostep xconfig --startxonboot rootpw testpassword lang en_US.UTF-8 keyboard us timezone --utc America/New_York auth --useshadow --enablemd5 selinux --disabled services --enabled=iptables,rsyslog,sshd,ntpd,NetworkManager,network --disabled=sendmail,cups,firstboot,ip6tables clearpart --all So after looking around, I was told that I need to modify my isolinux.cfg file to either do "ks=http://X.X.X.X/location/to/test.ks" or "ks=cdrom:/test.ks". I've tried both methods and it still forces me to go through the install process. When I tail the apache logs on the server, I see that the ISO never even tries to get the file. Below are the exact syntax I'm trying on my isolinux.cfg file. label http menu label HTTP kernel vmlinuz0 append initrd=initrd0.img ks=http://192.168.56.101/files/test.ks ksdevice=eth0 label localks menu label LocalKS kernel vmlinuz0 append initrd=initrd0.img ks=cdrom:/test.ks label install0 menu label Install kernel vmlinuz0 append initrd=initrd0.img root=live:CDLABEL=PerimeterAppliance rootfstype=auto ro liveimg liveinst noswap rd_NO_LUKS rd_NO_MD rd_NO_DM menu default EOF_boot_menu The first 2 give me a "dracut: fatal: no or empty root=" error until I give it a root= option and then it just skips the kickstart completely. The last one is my default option that works fine, but just requires a lot of user input. Any help would be greatly appreciated.

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• What is a good WordPress theme for long Objective-C code samples [closed]

  - by willc2

  As some of you iPhone developers know, Objective-C can be a verbose language. Long, descriptive variable and method names are the norm. I'm not complaining, it makes code easier to read and code completion makes it easy to type. But damn! Check out this method name for getting a cell in a table view: -(UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath; I have a WordPress blog where I publish my code samples as I'm learning the language. One thing I hate on other blogs is how the code won't fit in a column without that scroll bar or without wrapping around. It really made it hard for me to read and comprehend method names back when I was a super-noob (six months ago). Right now I use the clean-looking Fazyvo 1.0 theme by noonnoo. I love the look of it but the columns are just too narrow and it doesn't have support for wider ones. I could hand-modify it but then I'd have to maintain/redo those changes every time I updated it. Instead, I'm looking for a nice theme that has width control built-in and looks good at larger font sizes. Can anyone help? Note: I use WP-CodeBox for code syntax highlighting.

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• Prevent nginx from redirecting traffic from https to http when used as a reverse proxy

  - by Chris Pratt

  Here's my abbreviated nginx vhost conf: upstream gunicorn { server 127.0.0.1:8080 fail_timeout=0; } server { listen 80; listen 443 ssl; server_name domain.com ~^.+\.domain\.com$; location / { try_files $uri @proxy; } location @proxy { proxy_pass_header Server; proxy_redirect off; proxy_set_header Host $http_host; proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for; proxy_set_header X-Forwarded-Proto https; proxy_set_header X-Real-IP $remote_addr; proxy_set_header X-Scheme $scheme; proxy_connect_timeout 10; proxy_read_timeout 120; proxy_pass http://gunicorn; } } The same server needs to serve both HTTP and HTTPS, however, when the upstream issues a redirect (for instance, after a form is processed), all HTTPS requests are redirected to HTTP. The only thing I have found that will correct this issue is changing proxy_redirect to the following: proxy_redirect http:// https://; That works wonderfully for requests coming from HTTPS, but if a redirect is issued over HTTP it also redirects that to HTTPS, which is a problem. Out of desperation, I tried: if ($scheme = 'https') { proxy_redirect http:// https://; } But nginx complains that proxy_redirect isn't allowed here. The only other option I can think of is to define the two servers separately and set proxy_redirect only on the SSL one, but then I would have duplicate the rest of the conf (there's a lot in the server directive that I omitted for simplicity sake). I know I could also use an include directive to factor out the redundancy, but I really want to keep just one conf file without any dependencies. So, first, is there something I'm missing that will negate the problem entirely? Or, second, if not, is there any other way (besides including an external file) to factor out the redundant config information so that I can separate out the HTTP and HTTPS versions of the server config?

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• Error related to pkg-config when installing frei0r as part of another package

  - by Anentropic

  I am trying to build https://github.com/mltframework/shotcut on OS X Lion (using their script in scripts/build_shotcut.sh) and after numerous hurdles I'm stuck on this error: ./configure: line 16062: syntax error near unexpected token `OPENCV,' ./configure: line 16062: `PKG_CHECK_MODULES(OPENCV, opencv >= 1.0.0, HAVE_OPENCV=true, true)' ERROR: Unable to configure frei0r From what I already googled this means that the PKG_CHECK_MODULES macro hasn't been defined, which probably means there's something wrong with my pkg-config, which I installed via Homebrew. Sounds like the pkg.m4 file isn't found. When I brew install pkg-config I get the following warning: Warning: m4 macros were installed to "share/aclocal". Homebrew does not append "/usr/local/share/aclocal" to "/usr/share/aclocal/dirlist". If an autoconf script you use requires these m4 macros, you'll need to add this path manually. Well I've appended that line to the dirlist file and it doesn't fix the problem above. Can anyone suggest a way forward here? I have briefly tried building my own pkg-config from source but (bizarrely) when I tried to ./configure I got the following error: checking for pkg-config... no ./configure: line 13540: --exists: command not found configure: error: pkg-config and glib-2.0 not found, please set GLIB_CFLAGS and GLIB_LIBS to the correct values if building pkg-config needs pkg-config it seems like a weird catch 22 situation... I think this is probably an unnecessary sidetrack anyway.

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• Backup script to FTP with timed subfolders

  - by Frederik Nielsen

  I want to make a backup script, that makes a .tar.gz of a folder I define, say fx /root/tekkit/world This .tar.gz file should then be uploaded to a FTP server, named by the time it was uploaded, for example: 07-10-2012-13-00.tar.gz How should such backup script be written? I already figured out the .tar.gz part - just need the naming and the uploading to FTP. I know that FTP is not the most secure way to do it, but as it is non-sensitive data, and FTP is the only option I have, it will do. Edit: I ended up with this script: #!/bin/bash # have some path predefined for backup unless one is provided as first argument BACKUP_DIR="/root/tekkit/world/" TMP_DIR="/tmp/tekkitbackup/" FINISH_DIR="/tmp/tekkitfinished/" # construct name for our archive TIME=$(date +%d-%m-%Y-%H-%M) if [ $1 ]; then BACKUP_DIR="$1" fi echo "Backing up dir ... $BACKUP_DIR" mkdir $TMP_DIR cp -R $BACKUP_DIR $TMP_DIR cd $FINISH_DIR tar czvfp tekkit-$TIME.tar.gz -C $TMP_DIR . # create upload script for lftp cat <<EOF> lftp.upload.script open server user user password lcd $FINISH_DIR mput tekkit-$TIME.tar.gz exit EOF # start backup using lftp and script we created; if all went well print simple message and clean up lftp -f lftp.upload.script && ( echo Upload successfull ; rm lftp.upload.script )

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• What steps to take when CPAN installation fails?

  - by pythonic metaphor

  I have used CPAN to install perl modules on quite a few occasions, but I've been lucky enough to just have it work. Unfortunately, I was trying to install Thread::Pool today and one of the required dependencies, Thread::Converyor::Monitored failed the test: Test Summary Report ------------------- t/Conveyor-Monitored02.t (Wstat: 65280 Tests: 89 Failed: 0) Non-zero exit status: 255 Parse errors: Tests out of sequence. Found (2) but expected (4) Tests out of sequence. Found (4) but expected (5) Tests out of sequence. Found (5) but expected (6) Tests out of sequence. Found (3) but expected (7) Tests out of sequence. Found (6) but expected (8) Displayed the first 5 of 86 TAP syntax errors. Re-run prove with the -p option to see them all. Files=3, Tests=258, 6 wallclock secs ( 0.07 usr 0.03 sys + 4.04 cusr 1.25 csys = 5.39 CPU) Result: FAIL Failed 1/3 test programs. 0/258 subtests failed. make: *** [test_dynamic] Error 255 ELIZABETH/Thread-Conveyor-Monitored-0.12.tar.gz /usr/bin/make test -- NOT OK //hint// to see the cpan-testers results for installing this module, try: reports ELIZABETH/Thread-Conveyor-Monitored-0.12.tar.gz Running make install make test had returned bad status, won't install without force Failed during this command: ELIZABETH/Thread-Conveyor-Monitored-0.12.tar.gz: make_test NO What steps do you take to start seeing why an installation failed? I'm not even sure how to begin tracking down what's wrong.

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• Are there any Graphical PowerShell tools?

  - by Dai

  As a developer for the .NET platform, I like to "explore" a platform, framework or API by browsing through the API documentation which explains what everything is - everything is covered and when I use tools like Reflector or Object Browser then I get to know for certain what I'm working with. When I'm writing my own software I can use tools like the Object Test Bench to explore and work with my classes directly. I'm looking for something similar, but for PowerShell - and ones that avoid text-mode. PowerShell is nice, and there are a lot of cool "discoverability"-things it has, such as the "Verb-Noun" syntax, however when I'm working with Exchange Server, for example, I wanted to get a list of AD Permissions on a Receive Connector and I got this list: [PS] C:\Windows\system32>Get-ADPermission "Client SVR6" -User "NT AUTHORITY\Authenticated Users" | fl User : NT AUTHORITY\Authenticated Users Identity : SVR6\Client SVR6 Deny : False AccessRights : {ExtendedRight} IsInherited : False Properties : ChildObjectTypes : InheritedObjectType : InheritanceType : All User : NT AUTHORITY\Authenticated Users Identity : SVR6\Client SVR6 Deny : False AccessRights : {ExtendedRight} IsInherited : False Properties : ChildObjectTypes : InheritedObjectType : InheritanceType : All User : NT AUTHORITY\Authenticated Users Identity : SVR6\Client SVR6 Deny : False AccessRights : {ExtendedRight} IsInherited : False Properties : ChildObjectTypes : InheritedObjectType : InheritanceType : All User : NT AUTHORITY\Authenticated Users Identity : SVR6\Client SVR6 Deny : False AccessRights : {ExtendedRight} IsInherited : False Properties : ChildObjectTypes : InheritedObjectType : InheritanceType : All User : NT AUTHORITY\Authenticated Users Identity : SVR6\Client SVR6 Deny : False AccessRights : {ExtendedRight} IsInherited : False Properties : ChildObjectTypes : InheritedObjectType : InheritanceType : All User : NT AUTHORITY\Authenticated Users Identity : SVR6\Client SVR6 Deny : True AccessRights : {ReadProperty} IsInherited : True Properties : {ms-Exch-Availability-User-Password} ChildObjectTypes : InheritedObjectType : ms-Exch-Availability-Address-Space InheritanceType : Descendents [PS] C:\Windows\system32> Note how the first few entries contain identical text - there's no way to tell them apart easily. But if there was a GUI presumably it would let me drill-down into the differences better. Are there any tools that do this?

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• Making one of the folders default in Apache

  - by OmerO

  Hello, The file & directory structure of my website is as follows: /Library/WebServer/mysite/joomla .. /Library/WebServer/mysite/wiki .. /Library/WebServer/mysite/forum .. /Library/WebServer/mysite/index.php As you see, there are various applications each residing in separate folders. Now, in order to define this structure, I have made this entry in Apache http-vhosts.config file: ServerName mysite.com DocumentRoot "/Library/WebServer/mysite" ** And I already have the DirectoryIndex defined: DirectoryIndex index.html index.php, and so on. So far so good but I want this specific functionality: When someone visits mysite, he/she should automatically directed to: /Library/WebServer/mysite/joomla (and therefore /Library/WebServer/mysite/joomla/index.php) I don't want to achieve that functionality by putting a redirection code inside /Library/WebServer/mysite/index.php or /Library/WebServer/mysite/index.htm because that causes time delays (because of the redirection, of course) But in this case, the only proper way of achieving it seems to set DocumentRoot this way: DocumentRoot "/Library/WebServer/mysite/joomla" But when I set it that way, then the other folders (/wiki, /forum, etc.) are simply not served by Apache. To work around it, I put directives like: Alias /wiki /Library/WebServer/mysite/wiki .. Alias /forum /library/WebServer/mysite/forum and it did work actually the way I wanted. But... I still cannot use it that way because in this case I just couldn't manage to make the wiki use Short URLs (as described in link text) So, I have to set the DocumentRoot back to /Library/WebServer/mysite and shoud be able to assign /Library/WebServer/mysite/joomla as the "default directory" (my own terminology :) Can I do it in Apache? Is there any other way you might suggest? Thanks.

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• Host Primary Domain from a subfolder

  - by TandemAdam

  I am having a problem making a sub directory act as the public_html for my main domain, and getting a solution that works with that domains sub directories too. My hosting allows me to host multiple sites, which are all working great. I have set up a subfolder under my ~/public_html/ directory called /domains/, where I create a folder for each separate website. e.g. public_html domains websiteone websitetwo websitethree ... This keeps my sites nice and tidy. The only issue was getting my "main domain" to fit into this system. It seems my main domain, is somehow tied to my account (or to Apache, or something), so I can't change the "document root" of this domain. I can define the document roots for any other domains ("Addon Domains") that I add in cPanel no problem. But the main domain is different. I was told to edit the .htaccess file, to redirect the main domain to a subdirectory. This seemed to work great, and my site works fine on it's home/index page. The problem I'm having is that if I try to navigate my browser to say the images folder (just for example) of my main site, like this: www.yourmaindomain.com/images/ then it seems to ignore the redirect and shows the entire server directory in the url, like this: www.yourmaindomain.com/domains/yourmaindomain/images/ It still actually shows the correct "Index of /images" page, and show the list of all my images. Here is an example of my .htaccess file that I am using: RewriteEngine on RewriteCond %{HTTP_HOST} ^(www.)?yourmaindomain.com$ RewriteCond %{REQUEST_URI} !^/domains/yourmaindomain/ RewriteCond %{REQUEST_FILENAME} !-f RewriteCond %{REQUEST_FILENAME} !-d RewriteRule ^(.*)$ /domains/yourmaindomain/$1 RewriteCond %{HTTP_HOST} ^(www.)?yourmaindomain.com$ RewriteRule ^(/)?$ domains/yourmaindomain/index.html [L] Does this htaccess file look correct? I just need to make it so my main domain behaves like an addon domain, and it's subdirectories adhere to the redirect rules.

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• Python not Working in Vim

  - by jdg

  I have a new install of VIM from the automatic windows installer: gvim73_46.exe I have Python 2.7 (32 bit) installed. If I open gvim, and type: :set python? I get E518: Unknown option. If I try typing: :python 'hello' Vim crashes. What could be wrong? Here are the contents of :version in case they are helpful, although python is installed, and it is using Python 2.7. I also checked, and C:\Windows\System32\python27.dll is where it should be... I am really lost here. Does anyone have any ideas as to what is going wrong? VIM - Vi IMproved 7.3 (2010 Aug 15, compiled Oct 27 2010 17:59:02) MS-Windows 32-bit GUI version with OLE support Included patches: 1-46 Compiled by Bram@KIBAALE Big version with GUI. Features included (+) or not (-): +arabic +autocmd +balloon_eval +browse ++builtin_terms +byte_offset +cindent +clientserver +clipboard +cmdline_compl +cmdline_hist +cmdline_info +comments +conceal +cryptv +cscope +cursorbind +cursorshape +dialog_con_gui +diff +digraphs -dnd -ebcdic +emacs_tags +eval +ex_extra +extra_search +farsi +file_in_path +find_in_path +float +folding -footer +gettext/dyn -hangul_input +iconv/dyn +insert_expand +jumplist +keymap +langmap +libcall +linebreak +lispindent +listcmds +localmap -lua +menu +mksession +modify_fname +mouse +mouseshape +multi_byte_ime/dyn +multi_lang -mzscheme +netbeans_intg +ole -osfiletype +path_extra +perl/dyn +persistent_undo -postscript +printer -profile +python/dyn +python3/dyn +quickfix +reltime +rightleft +ruby/dyn +scrollbind +signs +smartindent -sniff +startuptime +statusline -sun_workshop +syntax +tag_binary +tag_old_static -tag_any_white +tcl/dyn -tgetent -termresponse +textobjects +title +toolbar +user_commands +vertsplit +virtualedit +visual +visualextra +viminfo +vreplace +wildignore +wildmenu +windows +writebackup -xfontset -xim -xterm_save +xpm_w32 system vimrc file: "$VIM\vimrc" user vimrc file: "$HOME_vimrc" 2nd user vimrc file: "$VIM_vimrc" user exrc file: "$HOME_exrc" 2nd user exrc file: "$VIM_exrc" system gvimrc file: "$VIM\gvimrc" user gvimrc file: "$HOME_gvimrc" 2nd user gvimrc file: "$VIM_gvimrc" system menu file: "$VIMRUNTIME\menu.vim" Compilation: cl -c /W3 /nologo -I. -Iproto -DHAVE_PATHDEF -DWIN32 -DFEAT_CSCOPE -DFEAT_NETBEANS_INTG -DFEAT_XPM_W32 -DWINVER=0x0400 -D_WIN32_WINNT=0x0400 /Fo.\ObjGOLYHTR/ /Ox /GL -DNDEBUG /Zl /MT -DFEAT_OLE -DFEAT_MBYTE_IME -DDYNAMIC_IME -DFEAT_GUI_W32 -DDYNAMIC_ICONV -DDYNAMIC_GETTEXT -DFEAT_TCL -DDYNAMIC_TCL -DDYNAMIC_TCL_DLL=\"tcl83.dll\" -DDYNAMIC_TCL_VER=\"8.3\" -DFEAT_PYTHON -DDYNAMIC_PYTHON -DDYNAMIC_PYTHON_DLL=\"python27.dll\" -DFEAT_PYTHON3 -DDYNAMIC_PYTHON3 -DDYNAMIC_PYTHON3_DLL=\"python31.dll\" -DFEAT_PERL -DDYNAMIC_PERL -DDYNAMIC_PERL_DLL=\"perl512.dll\" -DFEAT_RUBY -DDYNAMIC_RUBY -DDYNAMIC_RUBY_VER=191 -DDYNAMIC_RUBY_DLL=\"msvcrt-ruby191.dll\" -DFEAT_BIG /Fd.\ObjGOLYHTR/ /Zi Linking: link /RELEASE /nologo /subsystem:windows /LTCG:STATUS oldnames.lib kernel32.lib advapi32.lib shell32.lib gdi32.lib comdlg32.lib ole32.lib uuid.lib /machine:i386 /nodefaultlib gdi32.lib version.lib winspool.lib comctl32.lib advapi32.lib shell32.lib /machine:i386 /nodefaultlib libcmt.lib oleaut32.lib user32.lib /nodefaultlib:python27.lib /nodefaultlib:python31.lib e:\tcl\lib\tclstub83.lib WSock32.lib e:\xpm\lib\libXpm.lib /PDB:gvim.pdb -debug

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• How do I install mod_dav_svn module on an Apache / MAMP server?

  - by fettereddingoskidney

  How do I install additional modules into my server configuration? Currently all of the other modules are installed in /Applications/MAMP/Library/modules...and I see that they are mod_*.so source files, but I cannot seem to get mine to end up here... :? I am trying to set up an SVN repository and use my Apache (MAMP) server to serve the repository. I am using the subversion installation that came (pre-installed?) on Mac OS X 10.5. The repository is working, but I cannot access it remotely through my MAMP server using a client program (Dreamweaver CS5). When I try, I get an error from Dreamweaver, saying: Cannot connect to host xxx: Connection refused. This, I believe, is because I have not properly configured my Apache server to serve the svn repository. So, I added the following lines to my httpd.conf file: <Location /subversion> DAV svn SVNPath /Applications/MAMP/htdocs/svn/ AuthType Basic AuthName "Subversion repository" AuthUserFile /applications/mamp/htdocs/.htpasswd Require ServerAdmin </Location> Restarted the server with the command $ /Applications/MAMP/Library/bin/apachectl -k restart I used this path because otherwise the default apachectl path is set to /usr/sbin/apachectl, which is the location of the pre-installed command on Mac OS X, since the OS comes packaged with a built-in Apache server. And I get the error: Syntax error on line 1153 of /Applications/MAMP/conf/apache/httpd.conf: Unknown DAV provider: svn I checked the upper portion of httpd.conf and see that dav_module (mod_dav.so) is loaded and is in fact in my the modules directory of my server. However, mod_dav_svn is not installed in that directory nor is it in the LoadModule portion of httpd.conf. So I need to install it, right? I have tried installing modules into my MAMP server before but was never successful...because I don't know how to do it. Can someone please walk me through how to install that module? Thanks for your time!

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• Suddenly can't send E-Mails with Apple Mail to Gmail SMTP

  - by slhck

  Hi all, I have a weird problem that started just today. I am using Apple Mail on a Leopard machine, connecting to Gmail. Fetching e-mail works just fine. My SMTP settings are also correct. Still, I can't send mail, it will display a pop up saying that "transferring the content to the mail server" failed (translation from German, could be different in English OS X versions). I have verified the following: My SMTP settings are definitely correct. I have not changed them and the issue appeared today. Also, I went through the Apple online configuration for Gmail accounts and did not have to adjust any setting. I can run network diagnosis and it will connect to both POP and SMTP servers without a problem (all green lights) The Telnet details will show me the HELO message from the Gmail servers, so there's no authentication failure. Console.app will not show any messages related to "mail" when I try to send the mail, so there's no specific error message The mail I'm trying to send does not have an attachment, it is plaintext only I can login to gmail.com and send mails without a problem The recipient address exists and contains no syntax errors I can also not send mails to myself When using another IP and ISP (through VPN), it still doesn't work As for my settings: I connect to smtp.gmail.com and for advanced settings I choose password-based authentication with user: [email protected] and my password. I let Apple Mail try the default ports (for SSL and TLS, respectively). Again: I have not changed a thing between yesterday and today. What is causing that strange behavior? Any help would be much appreciated.

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• What steps should I take to debug this non-starting hvm virtual machine?

  - by Ophidian

  I have a dom0 machine running CentOS 5.4 with all the latest updates using Xen as my hypervisor. I am using Xen in part because this machine was set up prior to KVM being included in RHEL, and in part because KVM's network bridging configuration is not nearly as simple as Xen's. The dom0 machine is headless and I do all of my VM management via virsh from the command line. I have two hvm domU's: A web server running CentOS 5.4 A mail server running Gentoo Both VM's are backed by LV's on the dom0 but do not use LVM in the domU. Both have virtually identical libvirt configurations (differing by expected things like name, UUID, NIC MAC, VNC port, etc). The web server domU (WSdomU hereafter) does not start since applying the most recent kernel update (kernel-xen-2.6.18-164.15.1.el5.x86_64 and kernel-2.6.18-164.15.1.el5.x86_64 for the dom0 and WSdomU respectively). By 'not start' I mean it appears to be running but it does not use an CPU cycles, does not bring up a graphical console, and does not respond on the network. The WSdomU is listed as no state rather than the normal running or blocked in xentop. The mail server domU starts fine and functions normally. Here are the steps I have taken so far that did not solve the problem: Reboot the dom0 to see if things come up on their own Check xen dmesg on dom0 Check xend logs (a cursory viewing did not show anything blatant; specific suggestions of things to look for would be appreciated) Attempted to connect to the WSdomU's graphical (VNC) console from the dom0 Shutdown the mail server domU and attempt to start the WSdomU Check the SELinux labels on backing LV's (they're the same) Set SELinux to permissive and attempt to start the WSdomU Use virsh edit to try tweaking the WSdomU config virsh undefine, reboot, virsh define the WSdomU config dd the WSdomU LV to an .img file, copy it to my Fedora desktop and run it under KVM (works fine) What steps should I take next to debug this? I will edit in any additional configuration's requested in the comments.

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• 2010 cgi script failure

  - by Barry F

  Hi. I hope you can help, I'm just a beginner! I have listed a few extra details which may not be relevant. I upload cgi scripts onto local/personal directory on a Apache/2.2.10 server, using FTP95Pro in ASCII. The scripts execute correctly using perl on my web-server in a terminal session. Thus my code has no fatal syntax errors. Webpages 'action' each cgi script at /cgi-bin/. There are symbolic links which link system directory files to my local directory files. FollowSymLinks is enabled (unsure how). Permissions are correct (755). This set-up hasnt changed, apparently. The scripts have excuted perfectly for years, up to 2010. But now, in 2010, I have replaced working scripts with new script/files, now with exactly the same text, filename and permissions. Only the date (last modified) has changed. But now I receive a 500 Internal Server Error, and cannot determine why. My server administator assumes I have code errors. But code is unchanged since last year, and it runs fine (albeit no arguments) on web-server console using perl myscript.cgi Is there anything you can think of which may have changed ? I'm suspicious of the new decade. I think the server swapped from Linux to Windows OS last year, but my server administrator got it all working OK. Is there something unusual he may have missed, related to 2010 ? Thank you in advance

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• How to install Predis

  - by user782860

  I am trying to install Predis, but keep getting a 500 Server errror. Here is what I have done. 1.) Have apache and php installed on Ubuntu Natty. 2.) Used the instructions on this page http://redis.io/download to download Redis. 3.) Ran the following example to confirm that Redis is working: $ src/redis-cli redis> set foo bar OK redis> get foo "bar" 4.) Have a local website at /home/user/Dropbox/documents/www/mywebsite.com/index.php and have confirmed that php is working. 5.) Downloaded the .zip version of Predis ( https://github.com/nrk/predis Version: v0.6.6-PHP5.2 ), and unzipped the contents to /home/user/Dropbox/documents/www/mywebsite.com/. So now Predis is here: /home/user/Dropbox/documents/www/mywebsite.com/nrk-predis-3bf1230/ 6.) Opened the /home/user/Dropbox/documents/www/mywebsite.com/index.php page. Here is its contents: <? define("PREDIS_BASE_PATH", "nrk-predis-3bf1230/lib/"); spl_autoload_register(function($class) { $file = PREDIS_BASE_PATH.strtr($class, '\\', '/').'.php'; if (file_exists($file)) { require $file; return true; } }); $redis = new Predis_Client(); $redis->set('foo', 'bar'); $value = $redis->get('foo'); ?> I have tried changing: $redis = new Predis_Client(); to: $redis = new Predis\Client(); Have tried changing the the PREDIS_BASE_PATH to: /nrk-predis-3bf1230/lib /home/user/Dropbox/documents/www/mywebsite.com/nrk-predis-3bf1230/lib/ /home/user/Dropbox/documents/www/mywebsite.com/nrk-predis-3bf1230/lib Have done a chmod +x on both: /home/user/Dropbox/documents/www/mywebsite.com/nrk-predis-3bf1230/ /home/user/Dropbox/documents/www/mywebsite.com And doing all of the above always results in a 500 server error. What am I doing wrong?

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• How to handle sh: fetch: command not found

  - by Tyler Johnson

  Okay, I'm a noobie. I know how to build and compose a website, but I have no idea what I'm doing when it comes to servers and server commands, etc. I've recently had a problem with all of my sites on our servers going down all at once and then I have to go in and reboot the server for them to come up again. At first this was annoying, but now it is becoming agonizing as it now takes 3-4 reboots for the websites to come back up. I contacted support for my hosting, but they are not being very helpful. They just keep telling me what the issue might be and basically telling me that I'm going to have to look into it and figure it out, which really isn't possible since I know nothing. Anyway, here are the things they said were possible reasons: They said I have "strange logs" in my Apache webserver log, error: sh: fetch: command not found. My php.ini memory limit is: 256M which is very high. It should be 32M or 64M. Server is reaching Max Clients, meaning we have more than 150 visitors at a time. (They supposedly "fixed" this, but the sites/server are still going down) I have some Wordpress sites with plugins getting errors like: PHP Warning: pack(): Type H: illegal hex digit G in... PHP Fatal error: Cannot use object of type stdClass as array in... PHP Fatal error: Maximum execution time of 30 seconds exceeded in... PHP Fatal error: Call to undefined function file_exists() in... PHP Parse error: syntax error, unexpected '<' I know that's a lot, but I really am at wits end and have no idea what to do now. If anyone could maybe give me some advice or point me in the right direction I would greatly appreciate it! Thanks! Oh, and here are the specs for my server: RAM: 2048MB CPU Shares: 40 Primary Disk: 50GB Data Transfer: 75GB Port Speed: 5Mbps

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• Why am I getting this error in the logs?

  - by Matt

  Ok so I just started a new ubuntu server 11.10 and i added the vhost and all seems ok ...I also restarted apache but when i visit the browser i get a blank page the server ip is http://23.21.197.126/ but when i tail the log tail -f /var/log/apache2/error.log [Wed Feb 01 02:19:20 2012] [error] [client 208.104.53.51] File does not exist: /etc/apache2/htdocs [Wed Feb 01 02:19:24 2012] [error] [client 208.104.53.51] File does not exist: /etc/apache2/htdocs but my only file in sites-enabled is this <VirtualHost 23.21.197.126:80> ServerAdmin [email protected] ServerName logicxl.com # ServerAlias DocumentRoot /srv/crm/current/public ErrorLog /srv/crm/logs/error.log <Directory "/srv/crm/current/public"> Order allow,deny Allow from all </Directory> </VirtualHost> is there something i am missing .....the document root should be /srv/crm/current/public and not /etc/apache2/htdocs as the error suggests Any ideas on how to fix this UPDATE sudo apache2ctl -S VirtualHost configuration: 23.21.197.126:80 is a NameVirtualHost default server logicxl.com (/etc/apache2/sites-enabled/crm:1) port 80 namevhost logicxl.com (/etc/apache2/sites-enabled/crm:1) Syntax OK UPDATE <VirtualHost *:80> ServerAdmin [email protected] ServerName logicxl.com DocumentRoot /srv/crm/current/public <Directory /> Options FollowSymLinks AllowOverride None </Directory> <Directory /srv/crm/current/public/> Options Indexes FollowSymLinks MultiViews AllowOverride None Order allow,deny allow from all </Directory> ErrorLog ${APACHE_LOG_DIR}/error.log # Possible values include: debug, info, notice, warn, error, crit, # alert, emerg. LogLevel warn CustomLog ${APACHE_LOG_DIR}/access.log combined </VirtualHost>

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• vim coloring for git

  - by kelloti

  I'm on Windows and my vim loads with a terrible colorscheme with vim. The message is blue on black (so I can't see what I'm typing). I need to change the colorscheme, but :colorscheme slate doesn't do anything. :version vim - vi improved 7.3 (2010 aug 15, compiled oct 27 2010 17:51:38) ms-windows 32-bit console version included patches: 1-46 compiled by bram@kibaale big version without gui. features included (+) or not (-): +arabic +autocmd -balloon_eval -browse ++builtin_terms +byte_offset +cindent +clientserver +clipboard +cmdline_compl +cmdline_hist +cmdline_info +comments +conceal +cryptv +cscope +cursorbind +cursorshape +dialog_con +diff +digraphs -dnd -ebcdic +emacs_tags +eval +ex_extra +extra_search +farsi +file_in_path +find_in_path +float +folding -footer +gettext/dyn -hangul_input +iconv/dyn +insert_expand +jumplist +keymap +langmap +libcall +linebreak +lispindent +listcmds +localmap -lua +menu +mksession +modify_fname +mouse -mouseshape +multi_byte +multi_lang -mzscheme -netbeans_intg -osfiletype +path_extra -perl +persistent_undo -postscript +printer -profile -python -python3 +quickfix +reltime +rightleft -ruby +scrollbind +signs +smartindent -sniff +startuptime +statusline -sun_workshop +syntax +tag_binary +tag_old_static -tag_any_white -tcl -tgetent -termresponse +textobjects +title -toolbar +user_commands +vertsplit +virtualedit +visual +visualextra +viminfo +vreplace +wildignore +wildmenu +windows +writebackup -xfontset -xim -xterm_save -xpm_w32 system vimrc file: "$vim\vimrc" user vimrc file: "$home\_vimrc" 2nd user vimrc file: "$vim\_vimrc" user exrc file: "$home\_exrc" 2nd user exrc file: "$vim\_exrc" compilation: cl -c /w3 /nologo -i. -iproto -dhave_pathdef -dwin32 -dfeat_cscope -dwinver=0x0400 -d_win32_winnt=0x0400 /fo.\objc/ /ox /gl -dndebug /zl /mt -ddynamic_iconv -ddynamic_gettext -dfeat_big /fd.\objc/ /zi linking: link /release /nologo /subsystem:console /ltcg:status oldnames.lib kernel32.lib advapi32.lib shell32.lib gdi32.lib comdlg32.lib ole32.lib uuid.lib /machine:i386 /nodefaultlib libcmt.lib user32.lib /pdb:vim.pdb -debug My $HOME\_vimrc looks like colorscheme slate syn on set shiftwidth=2 set tabstop=2 and my $VIM\vimrc is the stock vimrc that comes with the Windows Vim distribution. How do I change my console Vim colorscheme? Especially for Git commits.

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• Removing/modifying LDAP objectclasses/attributes using olc

  - by Foezjie

  I'm having trouble using openldap's olc to modify a schema without shutting down the server. To test some things out, I made the following schema: objectIdentifier tests orgUlyssisOID:4 objectIdentifier testAttribute tests:1 objectIdentifier testObjectClass tests:2 attributeType ( testAttribute:1 NAME 'attr1' DESC 'attribuut 1' SYNTAX '1.3.6.1.4.1.1466.115.121.1.40' ) attributeType ( testAttribute:2 NAME 'attr2' DESC 'attribuut 2' SUP userPassword SINGLE-VALUE ) objectclass ( testObjectClass:1 NAME 'class1' DESC 'objectclass 1' SUP top STRUCTURAL MUST (attr1 $ attr2 ) ) And added it to a new schema called test. (cn={9}test.ldif in cn=schema). Now I can't seem to figure out how to delete class1 from that schema. I use the following LDIF (and tried lots of variations too, to no avail) dn : cn={9}test,cn=schema,cn=config changetype: modify delete: olcObjectClasses olcObjectClasses: ( testObjectClass:1 NAME 'class1' DESC 'objectclass 1' SUP top STRUCTURAL MUST ( attr1 $ attr2 ) ) Running ldapmodify -x -W -D cn=admin,cn=config -f test.ldif -d 0 gives no output. -d 1 gives this: ldap_create ldap_sasl_bind ldap_send_initial_request ldap_new_connection 1 1 0 ldap_int_open_connection ldap_connect_to_host: TCP localhost:389 ldap_new_socket: 4 ldap_prepare_socket: 4 ldap_connect_to_host: Trying 127.0.0.1:389 ldap_pvt_connect: fd: 4 tm: -1 async: 0 ldap_open_defconn: successful ldap_send_server_request ber_scanf fmt ({it) ber: ber_scanf fmt ({i) ber: ber_flush2: 38 bytes to sd 4 ldap_result ld 0x7f2a8ccf3430 msgid 1 wait4msg ld 0x7f2a8ccf3430 msgid 1 (infinite timeout) wait4msg continue ld 0x7f2a8ccf3430 msgid 1 all 1 ** ld 0x7f2a8ccf3430 Connections: * host: localhost port: 389 (default) refcnt: 2 status: Connected last used: Mon Sep 10 11:29:57 2012 ** ld 0x7f2a8ccf3430 Outstanding Requests: * msgid 1, origid 1, status InProgress outstanding referrals 0, parent count 0 ld 0x7f2a8ccf3430 request count 1 (abandoned 0) ** ld 0x7f2a8ccf3430 Response Queue: Empty ld 0x7f2a8ccf3430 response count 0 ldap_chkResponseList ld 0x7f2a8ccf3430 msgid 1 all 1 ldap_chkResponseList returns ld 0x7f2a8ccf3430 NULL ldap_int_select read1msg: ld 0x7f2a8ccf3430 msgid 1 all 1 ber_get_next ber_get_next: tag 0x30 len 12 contents: read1msg: ld 0x7f2a8ccf3430 msgid 1 message type bind ber_scanf fmt ({eAA) ber: read1msg: ld 0x7f2a8ccf3430 0 new referrals read1msg: mark request completed, ld 0x7f2a8ccf3430 msgid 1 request done: ld 0x7f2a8ccf3430 msgid 1 res_errno: 0, res_error: <>, res_matched: <> ldap_free_request (origid 1, msgid 1) ldap_parse_result ber_scanf fmt ({iAA) ber: ber_scanf fmt (}) ber: ldap_msgfree ldap_free_connection 1 1 ldap_send_unbind ber_flush2: 7 bytes to sd 4 ldap_free_connection: actually freed So no real indication of an error. Where am I doing it wrong? Bonus question: If I have some entries of a certain objectclass, can I modify it (add/remove attributeTypes) without removing the entries? Thanks in advance for all help.

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• How to convert Markdown files to Dokuwiki, on a PC

  - by Clare Macrae

  I'm looking for a tool or script to convert Markdown files to Dokuwiki format, that will run on a PC. This is so that I can use MarkdownPad on a PC to create initial drafts of documents, and then convert them to Dokuwiki format, to upload to a Dokuwiki installation that I have no control over. (This means that the Markdown plugin is no use to me.) I could spend time writing a Python script to do the conversion myself, but I'd like to avoid spending time on this, if such a thing exists already. The Markdown tags I'd like to have supported/converted are: Heading levels 1 - 5 Bold, italic, underline, fixed width font Numbered and unnumbered lists Hyperlinks Horizontal rules Does such a tool exist, or is there a good starting point available? Things I've found and considered I initially thought that txt2tags would be helpful, but although it can write both markdown and Dokuwiki, it is very tied to its own specific input format I've also seen Markdown2Dokuwiki, and although I'd certainly be willing to use a sed script, even on a PC, this only supports a tiny, tiny part of Markdown's syntax. python-markdown2 also sounded promising, but it only writes out HTML. pandoc - but it doesn't support Dokuwiki output MultiMarkdown - does not appear to support Dokuwiki output

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• how to setup a bridge with 2 NICs and few virtual machines

  - by Bond

  Here is my situation. I have a server with 2 NICs. I have installed virtual box and I have created a few Guest Operating Systems on it. I want these Virtual Machines to be using a bridge.NIC2 would be used to setup this bridge and NIC1 would be connected to corporate network.I am not clear with how should I go on doing this. /etc/network/interfaces is the file which I am trying to modify etc. My approach is following 1) Define a configuration file /etc/network/interfaces 2) Create IPTABLES as how NIC1 will forward the packets to Bridge on NIC2 Now comes the problem I do not understand what is the meaning of following lines in the configuration file auto lo iface lo inet loopback # The primary network interface auto eth2 iface eth2 inet manual auto br0 iface br0 inet static address 192.168.1.14 netmask 255.255.255.0 network 192.168.1.0 broadcast 192.168.1.255 gateway 192.168.1.10 # dns-* options are implemented by the resolvconf package, if installed dns-nameservers 192.168.13.2 dns-search myserver.net bridge_ports eth2 bridge_fd 9 bridge_hello 2 bridge_maxage 12 bridge_stp off So any pointers to what should be the entries of /etc/network/interfaces file. So that I understand which parameter is to be used when and where that would help me.

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• ACDSee alternatives for batch editing images

  - by Oxwivi

  I am looking for free, preferably open, alternatives to ACDSee for batch editing work. While I can do much of the work well on ACDSee, it's not entirely satisfactory despite having to pay for it. I need at least the following batch editing functions: Resize using either height or width and maintain aspect ration Auto contrast text overlays and occasionally, cropping oh, I make extensive use of renaming features as well Couple of issues with ACDSee are: I always need to highlight the Exposure section or auto contrast will not be done despite it being saved in the preset; and I can't define, move around the cropping box, forcing me to manually crop tons of images. I'm not an advanced, or "power photo-editor". I only require the basic stuff I described to be automated. My personal feature wish list (I'm pretty sure something so niche doesn't exist) would be text overlay based on the image names (images are named as image-1_1, image-1_2 or image-2_c1_1, image-2_c1_2, and text overlay would Image-1 and Image-2 C1 and Image-2 C2). I tried digiKam, but damn that thing is huge. It runs very slowly on my Pentium 4 and 1.5 GB RAM. On top of being a program with over 1 GB of files, the KDE library it uses is always slow regardless of it running on either Windows or Linux.

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• Why is crontab giving "No such file or directory" error when the file DOES exist?

  - by fettereddingoskidney

  I am getting the following three lines in an error message in /var/mail/username after the following job runs in crontab... 15 * * * * /Applications/MAMP/htdocs/iconimageryidx/includes/insertPropertyRESI.php Errors: /applications/mamp/htdocs/iconimageryidx/includes/insertpropertyRESI.php: line 1: ?php: No such file or directory /applications/mamp/htdocs/iconimageryidx/includes/insertpropertyRESI.php: line 3: syntax error near unexpected token `'initialize.php'' /applications/mamp/htdocs/iconimageryidx/includes/insertpropertyRESI.php: line 3: `require_once('initialize.php'); The PHP script I am trying to execute DOES in fact exist, and I have made absolutely sure the spelling is correct several times. I ran a crontab on another script before and it worked just fine...any ideas?? The 2nd & 3rd Errors are from line 3 in the following script (the one I am trying to run with the crontab): <?php require_once('initialize.php'); require_once('insertPropertyTypes.php'); $sDate; if(isset($_GET['startDate'])) { $sDate = $_GET['startDate']; } else { $sDate = ''; } $insertResi = new InsertPropertyTypes('Listing', $sDate, 'RESI'); ?> When I run my script insertPropertyRESI.php in the browser, it runs just fine???? Also, initialize.php and insertPropertyTypes.php are in the same directory as insertPropertyRESI.php I am using MAMP with PHP 5.3.5 thakns for the help :?

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• Mod_rewrite to eliminate query strings

  - by Greg Frommer

  Hi everyone, I have been working on this for a while but I'm not finding exactly what I am looking for. I am writing a webapp to let my users create and publish pieces of HTML content in a domain and URL folder structure of their choosing. All of the content and requested URL structures are stored in a database. I have all of the code in my index.php (in the root folder) to access the database content, and based on the server name (and hopefully folder structure) will pick out the proper content from the DB and display it to the end-users browser. So my situation looks like this: www.test.com/index.php?id=123234345 ... will display the proper page, but I want my users to be able to define a unique "page name" instead of using the numeric index (also I want to hide the /index.php part) so what I would like the end-user to see is: www.test.com/arbitrary-unique-keyword/keyword2/keyword3 which will invoke the index.php page in the root folder. Then I will use the PHP $_SERVER['PATH_INFO'] variable to match the requested folder structure up with the proper content in my database and display that. All the material I have found so far expects me to hard code parts of the folder structure into the rules.... but I think I want something simpler (perhaps). So the question in a nutshell: How do I use mod_rewrite to allow all "non-existent" folder paths be passed through to a main index.php residing in the root folder? (For all paths that DO exist, like for calls to images... I want those to succeed and not be directed to the index.php obviously) Thanks everyone, please let me know if I can clear anything up.

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