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• Back / Forward mouse buttons do not work in VMWare Workstation 6.5 Guest OS

  - by Tim Lara

  I am using a Logitech G9 mouse and running VMWare Workstation 6.5.3 on Vista x64. The guest OS is Win XP, and has the most current version of VMWare Tools installed. Left / right buttons and mouse wheel scrolling work fine in the guest OS, but the back / forward buttons are apparently not recognized. I have tried installing the Logitech software inside the guest OS as well, but it still did not recognize the back / forward buttons. (I didn't really expect this to work since the guest OS doesn't actually see the mouse hardware as a Logitech G9 directly anyway.) I vaguely remember seeing something a while back about editing the virtual machine config file to specify a 5-button mouse rather than the default 3-button setup, but I can't seem to find any specifics on how to do so in the VMWare documentation. Does anyone know if such a workaround exists, or is 5-button mouse functionality just not supported?

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• LDAP System Authentication in Ubuntu

  - by andrew

  Hi, I'm having a bit of an issue with system authentication against LDAP in Ubuntu. The LDAP server is OpenLDAP on Ubuntu 10.10, and the client is Ubuntu 10.10 also. I've set up the client by following the "LDAP Authentication" steps at https://help.ubuntu.com/10.10/serverguide/C/openldap-server.html apt-get install libnss-ldap; auth-client-config -t nss -p lac_ldap; pam-auth-update I've done these steps on the server and been able to see LDAP users when running getent passwd. Doing the same steps on the client, getent passwd does not return any LDAP users. Any ideas?

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• Roundcube can't connect to PostgreSQL database

  - by kenny.r

  I'm trying to install Roundcube on a CentOS 5.5 server, with a PostgreSQL 8.1.22 database. The first page of the installer script, that checks for the presence of php libraries and such, gives me green OKs across the board. I even went out of my way to install the optional ones. Page two generates me two configuration files (main.inc.php and db.inc.php) which I put into place. Page three is where things go wrong: Check DB config DSN (write): NOT OK(MDB2 Error: connect failed) Make sure that the configured database exists and that the user has write privileges DSN: pgsql://roundcube:password@localhost/roundcubemail The info you see there (user roundcube, password password, server localhost and database roundcubemail) is all correct. The database roundcubemail belongs to the user roundcube and it has write permissions. I have no clue why it can't connect to that database. I'm managing it with phpPgAdmin, which is running on the very same Apache, on the same server!

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• Can't get bridged networking to work between linux guest virtual machine and Mac host

  - by tgoneil

  I'm trying to establish bridged networking from linux mint vsn 12 in virtualbox to a Mac Lion host. Mac config: Network setting: en3 configured by DHCP Sharing setting: Internet Sharing selected, Share connection from en3 to computers using en3 Virtualbox Linux setting: Network setting: Bridged Adapter, Name: en3 I can ping from host (192.168.2.1) to guest (192.168.2.2) and guest to host, but I Cannot ping from the Linux guest to the outside world. Connection in host is up, because I can ping from the Mac host to the outside world. Something else that's seems weird to me, in the Mac Network setting, the IP Address generated by DHCP says 169.254.243.185. What the heck is that?? When I open a terminal up in the Mac, however, ifconfig shows its en3 inet address as 192.168.2.1.

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• OpenVPN Push DNS Not Working Correctly On Windows

  - by woodsbw

  I currently have OpenVPN server setup on an Ubuntu machine, as well as DNSMasq. I am wanting to push DNS to the client (road warrior setup.) I had the push "dhcp-option DNS x.x.x.x" where x.x.x.x was an open OpenDNS server, for testing, and everything was working when I connected from my Windows client But now that I have DNSMasq setup, and I changed the "dhcp-option DNS x.x.x.x" to the DNSMasq server, but when they client connects it still receives the old, OpenDNS DNS server IP. I'm at a bit of a loss here, I have tried flushing DNS on the client, rebooting the server, and I even grep'd the entire server to see if the OpenDNS IP was in some other config I was missing...it wasn't. One other note, when connect to the VPN and explicitly run nslookup against against the DNSMasq IP, the addresses resolve correctly, so it isn't a DNSMasq issue.

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• How can I suppress /etc/issue without losing error messages?

  - by Andy

  Is it possible to tell the ssh client to not print the connects of /etc/issue to stdout when connecting to a remote host, but to print out any other diagnostic (e.g. error) messages? Either using ssh -q or having LogLevel quiet in ~/.ssh/config suppresses the /etc/issue printing, but also turn off error messages. I've tried touching ~/.hushlogin as well - that stops /etc/motd being printed, but doesn't affect /etc/issue. The most obvious solution is just to remove /etc/issue, but company policy dictates the file be there with dire warnings about unauthorised access. This is non-negotiable. Unfortunately, I've got a bunch of scripts that run across quite a few hosts via ssh, and the log files are a) very large and b) full of legalese. Since quite a lot of stuff runs unattended, I don't want to lose any error messages that are printed.

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• DNS PTR record when domain on shared IP address

  - by Marco Demaio

  Hello, I own a typical shared IP hosting plan and domain. I can modify the DNS of the domain from the control panel. The mailserver shares the same IP address, so my typical DNS config is: www.mydomain.com A -> IP mydomain.com A -> IP ftp.mydomain.com A -> IP mail.mydomain.com A -> IP mydomain.com MX(10) -> IP I read some Q&A on this site where they suggest to add PTR record mainly for mailserver. I would like to add PTR record to my domain, I have got two questions: 1) can PTR record be added even if the hosting/mailserver are on a shared IP address? Or do I need a dedicated IP. 2) How do I setup PTR record, I mean does it look like A record: mydomain.com (PTR) -> myip

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• Trouble installing php memcache extension

  - by user35346

  I'm trying to install memcache on MAMP but I get the warning below, and when I continue it seems to complete properly. I add the line extension=memcache.so to the php.ini and restart MAMP but phpinfo() doesn't list the memcache extension. $ ./pecl install memcache downloading memcache-2.2.5.tgz ... Starting to download memcache-2.2.5.tgz (35,981 bytes) ..........done: 35,981 bytes 11 source files, building WARNING: php_bin /Applications/MAMP/bin/php5/bin/php appears to have a suffix 5/bin/php, but config variable php_suffix does not match running: phpize Configuring for: PHP Api Version: 20041225 Zend Module Api No: 20060613 Zend Extension Api No: 220060519 Enable memcache session handler support? [yes] : yes ... Build process completed successfully Installing '/Applications/MAMP/bin/php5/lib/php/extensions/no-debug-non-zts-20060613/memcache.so' install ok: channel://pecl.php.net/memcache-2.2.5 configuration option "php_ini" is not set to php.ini location You should add "extension=memcache.so" to php.ini

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• GlusterFs - high load 90-107% CPU

  - by Sara

  I try and try and try to performance and fix problem with gluster, i try all. I served on gluster webpages, php files, images etc. I have problem after update from 3.3.0 to 3.3.1. I try 3.4 when i think maybe fix it but still the same problem. I temporarily have 1 brick, but before upgrade will be fine. Config: Volume Name: ... Type: Replicate Volume ID: ... Status: Started Number of Bricks: 0 x 2 = 1 Transport-type: tcp Bricks: Brick1: ...:/... Options Reconfigured: cluster.stripe-block-size: 128KB performance.cache-max-file-size: 100MB performance.flush-behind: on performance.io-thread-count: 16 performance.cache-size: 256MB auth.allow: ... performance.cache-refresh-timeout: 5 performance.write-behind-window-size: 1024MB I use fuse, hmm "Maybe the high load is due to the unavailable brick" i think about it, but i cant find information on how to safely change type of volume. Maybe u know how?

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• HP ProCurve Port Mode Configuration Question Mark 2

  - by SvrGuy

  We have a ProCurve Switch 2810-48G (J9022A). We need to disable auto negotiation on two ports and manually configure them to be full duplex gige ports. From the web GUI, Configuration Tab, Port Configuration sub tab, I am only presented with the option to configure the port as Auto - 1000. I take this to mean, auto negotiate duplex, manually configure the speed to be gige. From the CLI when I try to set 1000-full I get the following error: Value 1000-full is not applicable to port 39 (or whatever port I try) The exact commands I have entered are: config interface 39 speed-duplex 1000-full BTW: speed-duplex auto-1000 works ( I also tried full-1000 and that did not work either) How do I manually configure the port such that it is manually configured to use full duplex, 1000 mbs?

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• Setting up nginx on Ubuntu?

  - by Industrial

  Hi everyone, I've just setup a VPS running Ubuntu server 10.10 as a test environment to run with nginx. This far i've ran apt-get install nginx php5 php5-cgi and accessed the IP of the VPS with a browser which outputs It works, so it should be ready to run. Never having worked with nginx in the past, I have no idea on what to do next. How should I config my nginx install to run properly as a staging server in my LAN? Apparently, there's multiple configs for nginx including sites-default and nginx-default making me really confused.

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• SASL + postfixadmin - SMTP authentication with hashed password

  - by mateo

  Hi all, I'm trying to set up the mail server. I have problem with my SMTP authentication using sasl. I'm using postfixadmin to create my mailboxes, the password is in some kind of md5, postfixadmin config.inc.php: $CONF['encrypt'] = 'md5crypt'; $CONF['authlib_default_flavor'] = 'md5raw'; the sasl is configured like that (/etc/postfix/sasl/smtpd.conf): pwcheck_method: auxprop auxprop_plugin: sql sql_engine: mysql mech_list: plain login cram-md5 digest-md5 sql_hostnames: 127.0.0.1 sql_user: postfix sql_passwd: **** sql_database: postfix sql_select: SELECT password FROM mailbox WHERE username = '%u@%r' log_level: 7 If I want to authenticate (let's say from Thunderbird) with my password, I can't. If I use hashed password from MySQL I can authenticate and send an email. So I think the problem is with hash algorithm. Do you know how to set up the SASL (or postfixadmin) to work fine together. I don't want to store my passwords in plain text...

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• FreeBSD Ports: How can I see all dependencies, and all dependencies for those dependencies, for a port?

  - by Stefan Lasiewski

  I'm trying to build a port which depends on apache-ant. I thought I could run make build-depends-list to see all dependencies required by this port: # make build-depends-list /usr/ports/devel/apache-ant /usr/ports/java/jdk16 /usr/ports/math/gmp But after installing everything, the port had a dependency list which was a mile long: apache-ant-1.8.1 desktop-file-utils-0.15_2 gamin-0.1.10_4 gettext-0.18.1.1 gio-fam-backend-2.26.1 glib-2.26.1_1 gmp-5.0.1 inputproto-2.0 javavmwrapper-2.3.5 kbproto-1.0.4 libX11-1.3.3_1,1 libXau-1.0.5 libXdmcp-1.0.3 libXext-1.1.1,1 libXi-1.3,1 libXtst-1.1.0 libiconv-1.13.1_1 libpthread-stubs-0.3_3 libxcb-1.7 pcre-8.12 perl-5.10.1_3 pkg-config-0.25_1 python26-2.6.6 recordproto-1.14 unzip-6.0 xextproto-7.1.1 xproto How can I see all dependencies, and all subdependencies for a port?

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• PHP: Extensionless URLs in IIS7 (windows)? (for wordpress)

  - by smithym

  Hi there, I have recently installed wordpress but i would like to configure extensionless URLs .. I am using IIS7 but on a shared server. I presume i cna add something to web.config file?? I am little bit confused, in IIS7 and asp.net mvc it is done via code... but in PHP i don't think it is .... so the only alternative is to use a re-write module but i can't as I am on a shared server and can't install ISAPI stuff.. so I was wondering if there is a way to do the mapping i.e. when going to testme it would actually load testme.php Any advise really appreciated Thanks

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• NFS-Root not working when booting over PXE

  - by Randy

  I am desperately trying to get a diskless client running over PXE-Boot using a NFS-Share as a root file system. I did this before some years ago but for some reason I am stucked at this since days. The TFTP-Server itself is running fine and booting a netinstaller works also fine. The kernel and initrd are loaded also but the bootprocess stops with this (screenshot) kernel panic. I'm using the squeeze standard i386-Kernel and I have prepared the initrd with this config: MODULES=most BUSYBOX=y KEYMAP=n COMPRESS=gzip BOOT=nfs DEVICE= NFSROOT=auto I also tried MODULES=netboot with the same outcome. My PXE-configuration looks like this: LABEL linux KERNEL diskless/debian-default/vmlinuz-2.6.32-5-686 APPEND root=/dev/nfs initrd=diskless/debian-default/vmlinuz-2.6.32-5-686 nfsroot=192.168.140.2:/storage/nfs-boot-images/default-squeeze ip=dhcp rw Furthermore I have captured the network communication of the client via tcpdump and learned that the client isn't even trying to connect to the NFS-share. Does anybody has got an idea what is going wrong here?

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• How to symlink folders and exclude certain files

  - by Jarrod White

  Hey Guys, I'm not a server guru (unfortunately) but have a decent knowledge of linux & bsd. I'm trying to symlink multiple instances of HLDS (game server) but need to exclude certain folders & config files to achieve this properly. I need to do it this way as HLDS loads many mods automatically, and putting an exception to disable the mods doesnt work for all of them. so basically i want: /home/user/hlds-install (the base install) /home/user/server1 /home/user/server2 etc... and then be able to manually put any configs/mods ive excluded into the server dir's so that each server can be configured individually. Can anyone tell me how to do this, perhaps some sort of bash script so that I can just change the targets to run it each time i want to create a new one. I have quite a number to make so doing the whole thing manually for each one definately isn't an option and im all for working smarter, not harder! Thanks :)

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• How do I stop Firefox on Ubuntu from trying to load whatever is in my clipboard when I middle-click

  - by therefromhere

  In Firefox on Ubuntu, if I middle-click anywhere on a page that's not a link, it seems to treat whatever text is in the clipboard as a URL and tries to load it. This is annoying, since if I either accidentally click the middle button or (more often) miss a link when trying to middle-click it, I'll either go to whatever URL is in my clipboard or get an alert saying: The URL is invalid and cannot be loaded Is there any way of either: a) Disabling this functionality so that middle-click on a non-link does nothing (maybe an about:config setting?, or b) Making the functionality more intelligent, so that it will only try and open text if it looks like a URL (this seems like a job for a plugin).

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• pam_ecryptfs: Error getting passwd (ProFTPD)

  - by Olirav

  proftpd: pam_ecryptfs: Error getting passwd info for user [USERNAME] I am getting this error in the syslog nearly every time any user connects via FTP, the user is able to connect and the session seems to continue without a hitch. ProFTPD.log shows no error, this warning only show in the syslog. My VPS is running Ubuntu 11.10 and Proftpd 1.3.4rc2 from the Ubuntu Repo, I have made only a few changes to the config (no weird auth methods). This has been going on for quite a while but I can't quite find the cause. Anyone got any ideas? EDIT: been looking around but all I can find with this error is the source code for the program itself; it appears to be and error in ecryptfs-utils that only proftpd is triggering.

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• Apache2 Segfault - need help interpreting this coredump (suspect cause is memcache / php session related)

  - by WayneDV

  Three Apache2 web servers running a PHP 5.2.3 web site. We're using Memcache to cache rendered pages but also as the storage engine of the PHP Sessions. At peak traffic times we're getting Apache segmentation faults on all three web servers and all HTTPD child processes segfault. My gut tells me that the increased Memcache traffic is stopping PHP sessions from being created or cleaned up and thus the processes die. Is it possible for someone to confirm that from the following? : #0 _zend_mm_free_int (heap=0x7fb67a075820, p=0x7fb67a011538) at /usr/src/debug/php-5.3.3/Zend/zend_alloc.c:2018 #1 0x00007fb665d02e82 in mmc_buffer_free (request=0x7fb67a011548) at /usr/src/debug/php-pecl-memcache-3.0.4/memcache-3.0.4/memcache_pool.c:50 #2 mmc_request_free (request=0x7fb67a011548) at /usr/src/debug/php-pecl-memcache-3.0.4/memcache-3.0.4/memcache_pool.c:169 #3 0x00007fb665d031ea in mmc_pool_free (pool=0x7fb67a00e458) at /usr/src/debug/php-pecl-memcache-3.0.4/memcache-3.0.4/memcache_pool.c:917 #4 0x00007fb665d0a2f1 in ps_close_memcache (mod_data=0x7fb66d625440) at /usr/src/debug/php-pecl-memcache-3.0.4/memcache-3.0.4/memcache_session.c:185 #5 0x00007fb66d1b0935 in php_session_save_current_state () at /usr/src/debug/php-5.3.3/ext/session/session.c:625 #6 php_session_flush () at /usr/src/debug/php-5.3.3/ext/session/session.c:1517 #7 0x00007fb66d1b0c1b in zm_deactivate_session (type=<value optimized out>, module_number=<value optimized out>) at /usr/src/debug/php-5.3.3/ext/session/session.c:2171 #8 0x00007fb66d2a719c in module_registry_cleanup (module=<value optimized out>) at /usr/src/debug/php-5.3.3/Zend/zend_API.c:2150 #9 0x00007fb66d2b1994 in zend_hash_reverse_apply (ht=0x7fb66d629d60, apply_func=0x7fb66d2a7180 <module_registry_cleanup>) at /usr/src/debug/php-5.3.3/Zend/zend_hash.c:755 #10 0x00007fb66d2a5c0d in zend_deactivate_modules () at /usr/src/debug/php-5.3.3/Zend/zend.c:866 #11 0x00007fb66d2541b5 in php_request_shutdown (dummy=<value optimized out>) at /usr/src/debug/php-5.3.3/main/main.c:1607 #12 0x00007fb66d32e037 in php_apache_request_dtor (r=0x7fb67a229658) at /usr/src/debug/php-5.3.3/sapi/apache2handler/sapi_apache2.c:509 #13 php_handler (r=0x7fb67a229658) at /usr/src/debug/php-5.3.3/sapi/apache2handler/sapi_apache2.c:681 #14 0x00007fb6784166f0 in ap_run_handler (r=0x7fb67a229658) at /usr/src/debug/httpd-2.2.15/server/config.c:158 #15 0x00007fb678419f58 in ap_invoke_handler (r=0x7fb67a229658) at /usr/src/debug/httpd-2.2.15/server/config.c:372 #16 0x00007fb6784254f0 in ap_process_request (r=0x7fb67a229658) at /usr/src/debug/httpd-2.2.15/modules/http/http_request.c:282 #17 0x00007fb678422418 in ap_process_http_connection (c=0x7fb67a2193a8) at /usr/src/debug/httpd-2.2.15/modules/http/http_core.c:190 #18 0x00007fb67841e1b8 in ap_run_process_connection (c=0x7fb67a2193a8) at /usr/src/debug/httpd-2.2.15/server/connection.c:43 #19 0x00007fb678429f4b in child_main (child_num_arg=<value optimized out>) at /usr/src/debug/httpd-2.2.15/server/mpm/prefork/prefork.c:662 #20 0x00007fb67842a21a in make_child (s=0x7fb679cd7860, slot=153) at /usr/src/debug/httpd-2.2.15/server/mpm/prefork/prefork.c:758 #21 0x00007fb67842aea4 in perform_idle_server_maintenance (_pconf=<value optimized out>, plog=<value optimized out>, s=<value optimized out>) at /usr/src/debug/httpd-2.2.15/server/mpm/prefork/prefork.c:893 #22 ap_mpm_run (_pconf=<value optimized out>, plog=<value optimized out>, s=<value optimized out>) at /usr/src/debug/httpd-2.2.15/server/mpm/prefork/prefork.c:1097 #23 0x00007fb678402890 in main (argc=1, argv=0x7fff6fecacb8) at /usr/src/debug/httpd-2.2.15/server/main.c:740 PHP.INI Follows: [PHP] engine = On short_open_tag = On asp_tags = Off precision = 14 y2k_compliance = On output_buffering = 4096 zlib.output_compression = Off implicit_flush = Off unserialize_callback_func = serialize_precision = 100 allow_call_time_pass_reference = Off safe_mode = Off safe_mode_gid = Off safe_mode_include_dir = safe_mode_exec_dir = safe_mode_allowed_env_vars = PHP_ safe_mode_protected_env_vars = LD_LIBRARY_PATH disable_functions = disable_classes = expose_php = On max_execution_time = 30 max_input_time = 60 memory_limit = 128M error_reporting = E_ALL & ~E_DEPRECATED display_errors = Off display_startup_errors = Off log_errors = Off log_errors_max_len = 1024 ignore_repeated_errors = Off ignore_repeated_source = Off report_memleaks = On track_errors = Off html_errors = Off variables_order = "GPCS" request_order = "GP" register_globals = Off register_long_arrays = Off register_argc_argv = Off auto_globals_jit = On post_max_size = 8M magic_quotes_gpc = Off magic_quotes_runtime = Off magic_quotes_sybase = Off auto_prepend_file = auto_append_file = default_mimetype = "text/html" doc_root = user_dir = enable_dl = Off file_uploads = On upload_max_filesize = 2M allow_url_fopen = On allow_url_include = Off default_socket_timeout = 60 [Date] [filter] [iconv] [intl] [sqlite] [sqlite3] [Pcre] [Pdo] [Phar] [Syslog] define_syslog_variables = Off [mail function] SMTP = localhost smtp_port = 25 sendmail_path = /usr/sbin/sendmail -t -i mail.add_x_header = On [SQL] sql.safe_mode = Off [ODBC] odbc.allow_persistent = On odbc.check_persistent = On odbc.max_persistent = -1 odbc.max_links = -1 odbc.defaultlrl = 4096 odbc.defaultbinmode = 1 [MySQL] mysql.allow_persistent = On mysql.max_persistent = -1 mysql.max_links = -1 mysql.default_port = mysql.default_socket = mysql.default_host = mysql.default_user = mysql.default_password = mysql.connect_timeout = 60 mysql.trace_mode = Off [MySQLi] mysqli.max_links = -1 mysqli.default_port = 3306 mysqli.default_socket = mysqli.default_host = mysqli.default_user = mysqli.default_pw = mysqli.reconnect = Off [PostgresSQL] pgsql.allow_persistent = On pgsql.auto_reset_persistent = Off pgsql.max_persistent = -1 pgsql.max_links = -1 pgsql.ignore_notice = 0 pgsql.log_notice = 0 [Sybase-CT] sybct.allow_persistent = On sybct.max_persistent = -1 sybct.max_links = -1 sybct.min_server_severity = 10 sybct.min_client_severity = 10 [bcmath] bcmath.scale = 0 [browscap] [Session] session.save_handler = files session.save_path = "/var/lib/php/session" session.use_cookies = 1 session.use_only_cookies = 1 session.name = PHPSESSID session.auto_start = 1 session.cookie_lifetime = 0 session.cookie_path = / session.cookie_domain = session.cookie_httponly = session.serialize_handler = php session.gc_probability = 1 session.gc_divisor = 1000 session.gc_maxlifetime = 1440 session.bug_compat_42 = Off session.bug_compat_warn = Off session.referer_check = session.entropy_length = 0 session.entropy_file = session.cache_limiter = nocache session.cache_expire = 180 session.use_trans_sid = 0 session.hash_function = 0 session.hash_bits_per_character = 5 url_rewriter.tags = "a=href,area=href,frame=src,input=src,form=fakeentry" [MSSQL] mssql.allow_persistent = On mssql.max_persistent = -1 mssql.max_links = -1 mssql.min_error_severity = 10 mssql.min_message_severity = 10 mssql.compatability_mode = Off mssql.secure_connection = Off [Assertion] [COM] [mbstring] [gd] [exif] [Tidy] tidy.clean_output = Off [soap] soap.wsdl_cache_enabled=1 soap.wsdl_cache_dir="/tmp" soap.wsdl_cache_ttl=86400 /etc/php.d/memcached.ini : session.save_path="tcp://memcache1:11211?persistent=1&weight=1&timeout=3&retry_interval=15"

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• Enable fastcgi on SSL Virtualhost

  - by ggstevens

  Debian 7.5 My VirtualHost for port 80 works fine with the ifmodule for fastcgi. However, it does not work with the VirtualHost for port 443. SSL/https:// was working fine until I added the following: <IfModule mod_fastcgi.c> AddHandler php5-fcgi .php Action php5-fcgi /php5-fcgi Alias /php5-fcgi /usr/lib/cgi-bin/php5-fcgi FastCgiExternalServer /usr/lib/cgi-bin/php5-fcgi -socket /var/run/php5-fpm.sock -pass-header Authorization </IfModule> When I try to restart Apache I get an error: Reloading web server config: apache2 failed! However, if I remove the FastCgiExternalServer line, it works.

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• Nginx + Haproxy + Thin + Rails - 503 Service Unavailable -

  - by Luca G. Soave

  I don't know how troubleshoot this. I get "503 Service Unavailable" http error for all "nginx upstreams" proxy passing calls to haproxy fast_thin and slow_thin ( server 127.0.0.1:3100 and server 127.0.0.1:3200 ), which loadbalance on 6 Thin servers ( 127.0.0.1:3000 .. 3005 ). Static files like /blog are currently fine. The falldown is: nginx on port 80 - haproxy on 3100 and 3200 - thin on 3000 .. 3005 and then Rails. Here it is /etc/nginx/nginx.conf : user nginx; worker_processes 2; pid /var/run/nginx.pid; events { worker_connections 1024; } http { include /etc/nginx/mime.types; default_type application/octet-stream; log_format main '$remote_addr - $remote_user [$time_local] "$request" ' '$status $body_bytes_sent "$http_referer" ' '"$http_user_agent" "$http_x_forwarded_for"'; sendfile on; tcp_nopush on; keepalive_timeout 65; tcp_nodelay on; include /etc/nginx/conf.d/*.conf; } then /etc/nginx/conf.d/default.conf upstream fast_thin { server 127.0.0.1:3100; } upstream slow_thin { server 127.0.0.1:3200; } server { listen 80; server_name www.gitwatcher.com; rewrite ^/(.*) http://gitwatcher.com/$1 permanent; } server { listen 80; server_name gitwatcher.com; access_log /var/www/gitwatcher/log/access.log; error_log /var/www/gitwatcher/log/error.log; root /var/www/gitwatcher/public; # index index.html; location /about { proxy_pass http://fast_thin; break; } location /trends { proxy_pass http://slow_thin; break; } location /categories { proxy_pass http://slow_thin; break; } location /signout { proxy_pass http://slow_thin; break; } location /auth/github { proxy_pass http://slow_thin; break; } location / { proxy_set_header X-Real-IP $remote_addr; proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for; proxy_set_header Host $http_host; proxy_redirect off; if (-f $request_filename/index.html) { rewrite (.*) $1/index.html break; } if (-f $request_filename.html) { rewrite (.*) $1.html break; } if (!-f $request_filename) { proxy_pass http://slow_thin; break; } } } then haproxy config file /etc/haproxy/haproxy.cfg : global log 127.0.0.1 local0 log 127.0.0.1 local1 notice #log loghost local0 info maxconn 4096 #chroot /usr/share/haproxy user haproxy group haproxy daemon #debug #quiet nbproc 1 # number of processing cores defaults log global retries 3 maxconn 2000 contimeout 5000 mode http clitimeout 60000 # maximum inactivity time on the client side srvtimeout 30000 # maximum inactivity time on the server side timeout connect 4000 # maximum time to wait for a connection attempt to a server to succeed option httplog option dontlognull option redispatch option httpclose # disable keepalive (HAProxy does not yet support the HTTP keep-alive mode) option abortonclose # enable early dropping of aborted requests from pending queue option httpchk # enable HTTP protocol to check on servers health option forwardfor # enable insert of X-Forwarded-For headers balance roundrobin # each server is used in turns, according to assigned weight stats enable # enable web-stats at /haproxy?stats stats auth haproxy:pr0xystats # force HTTP Auth to view stats stats refresh 5s # refresh rate of stats page listen rails_proxy 127.0.0.1:3100 # - equal weights on all servers # - maxconn will queue requests at HAProxy if limit is reached # - minconn dynamically scales the connection concurrency (bound my maxconn) depending on size of HAProxy queue # - check health every 20000 microseconds server web1 127.0.0.1:3000 weight 1 minconn 3 maxconn 6 check inter 20000 server web1 127.0.0.1:3001 weight 1 minconn 3 maxconn 6 check inter 20000 server web1 127.0.0.1:3002 weight 1 minconn 3 maxconn 6 check inter 20000 listen slow_proxy 127.0.0.1:3200 # cluster for slow requests, lower the queues, check less frequently server slow1 127.0.0.1:3003 weight 1 minconn 1 maxconn 3 check inter 40000 server slow2 127.0.0.1:3004 weight 1 minconn 1 maxconn 3 check inter 40000 server slow3 127.0.0.1:3005 weight 1 minconn 1 maxconn 3 check inter 40000 and the Thin config file /etc/thin/gitwatcher.yml : --- chdir: /var/www/gitwatcher environment: production address: 0.0.0.0 port: 3000 timeout: 30 log: log/thin.log pid: tmp/pids/thin.pid max_conns: 1024 max_persistent_conns: 100 require: [] wait: 30 servers: 6 daemonize: true if I look into open listen ports, I got the following : root@fullness:/var/www/gitwatcher# lsof | grep TCP | egrep "nginx|haproxy|thin" nginx 834 root 8u IPv4 921 0t0 TCP *:http (LISTEN) nginx 835 nginx 8u IPv4 921 0t0 TCP *:http (LISTEN) nginx 837 nginx 8u IPv4 921 0t0 TCP *:http (LISTEN) haproxy 1908 haproxy 4u IPv4 11699 0t0 TCP localhost:3100 (LISTEN) haproxy 1908 haproxy 6u IPv4 11701 0t0 TCP localhost:3200 (LISTEN) root@fullness:/var/www/gitwatcher# iptables -L get me the following : Chain INPUT (policy DROP) target prot opt source destination ACCEPT all -- anywhere anywhere state RELATED,ESTABLISHED ACCEPT all -- anywhere anywhere state RELATED,ESTABLISHED ACCEPT tcp -- anywhere anywhere tcp dpt:22222 ACCEPT tcp -- anywhere anywhere tcp dpt:http ACCEPT tcp -- anywhere anywhere tcp dpt:https ACCEPT all -- anywhere anywhere DROP all -- anywhere anywhere Chain FORWARD (policy ACCEPT) target prot opt source destination Chain OUTPUT (policy ACCEPT) target prot opt source destination ACCEPT all -- anywhere anywhere Any help ?

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• 403 Forbidden

  - by demas

  Here is my Nginx config: user pass users; worker_processes 1; events { worker_connections 1024; } http { passenger_root /usr/lib64/ruby/gems/1.8/gems/passenger-3.0.7; passenger_ruby /usr/bin/ruby; include mime.types; default_type application/octet-stream; sendfile on; keepalive_timeout 65; server { listen 80; server_name some.another.ru; root /www/public/redmine; passenger_enabled on; rails_env development; } } Here is Nginx log: 2011/06/02 12:53:57 [error] 45986#0: *1 directory index of "/www/public/redmine/" is forbidden, client: **.*.**.***, server: some.another.ru, request: "GET / HTTP/1.1", host: "some.another.ru" 2011/06/02 12:53:59 [error] 45986#0: *1 open() "/www/public/redmine/favicon.ico" failed (2: No such file or directory), client: **.*.**.***, server: some.another.ru, request: "GET /favicon.ico HTTP/1.1", host: "some.another.ru" What is the reason of this error and how can I fix it?

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• ssh agent forwarding with many identities

  - by Eddified

  I have setup ssh agent forwarding, and I know it works. I also have many keys setup in the agent. The problem is there are so many keys that I get: Received disconnect from XXX.XXX.XXX.XXX: 2: Too many authentication failures for bob The way around this is to use IdentitiesOnly=yes so that ssh will only send the identity you want it to for the specified host. I've also gotten this implemented and I know it works, without agent forwarding. Now, I'm trying to combine the two features. That is, I want to use agent forwarding, but also be able to specify which identity to use when connecting. Problem is, I can't figure out how to do this. So, I want to connect from box A through box B to box C. Box A has all of the identity files and the ssh agent running. I want to edit box A or B's ssh config file(s) to use a specific identity that exists in box A's agent (which is being forwarded).

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• Xen 4.0.1 on Ubuntu 10.10 not booting

  - by Disco

  I'm trying to get Xen 4.0.1 run as dom0 on a fresh/clean install of 10.10 desktop (x64). Followed the step by step tutorial at http://wiki.xensource.com/xenwiki/Xen4.0 I have the pvops kernel in /boot, also included the ext4 fs support by recompiling the kernel by : make -j6 linux-2.6-pvops-config CONFIGMODE=menuconfig make -j6 linux-2.6-pvops-build make -j6 linux-2.6-pvops-install Here's my grub entry : menuentry 'Xen4' --class ubuntu --class gnu-linux --class gnu --class os { recordfail insmod part_msdos insmod ext2 insmod ext3 set root='(hd0,msdos1)' search --no-floppy --fs-uuid --set 2bf3177a-92fd-4196-901a-da8d810b04b4 multiboot /xen-4.0.gz dom0_mem=1024M loglvl=all guest_loglvl=all module /vmlinuz-2.6.32.27 root=UUID=2bf3177a-92fd-4196-901a-da8d810b04b4 ro module /initrd.img-2.6.32.27 } blkid /dev/sda1 gives the : /dev/sda1: UUID="2bf3177a-92fd-4196-901a-da8d810b04b4" TYPE="ext3" My partition shemes is : /boot (ext3) / (ext4) Whatever option i've tried i end up with : mounting none on /dev failed: no such file or directory And message complaining that it cannot find the device with uuid ... It's taking my hairs out, if somone has a clue ...

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• How do I get nginx to issue 301 requests to HTTPS location, when SSL handled by a load-balancer?

  - by growse

  I've noticed that there's functionality enabled in nginx by default, whereby a url request without a trailing slash for a directory which exists in the filesystem automatically has a slash added through a 301 redirect. E.g. if the directory css exists within my root, then requesting http://example.com/css will result in a 301 to http://example.com/css/. However, I have another site where the SSL is offloaded by a load-balancer. In this case, when I request https://example.com/css, nginx issues a 301 redirect to http://example.com/css/, despite the fact that the HTTP_X_FORWARDED_PROTO header is set to https by the load balancer. Is this an nginx bug? Or a config setting I've missed somewhere?

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