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• Blank Screen After Login on Windows 7

  - by Leigh Riffel

  When unlocking a Windows 7 computer the screen briefly (less than a second) goes blank before showing the screen. Abound once a month (but sometimes within a few days) when I unlock my computer the screen doesn't come back from this brief blackout and stays black. Sometimes after five minutes or so the display will come back. Other times it has been blank for over 20 minutes, so I give up and restart the computer. It seems to happen more often when the computer has been locked for a longer period of time - I lock my computer several times a day, but the problem most happens when I come in at the start of the day. I have updated my video card and monitor drivers. I have two monitors driven by the same graphics card. The computer is a Dell Optiplex 740. When the problem occurs both monitors have a green light on to indicate that they are receiving signal. I've tried unplugging the monitors from the video card and turning the monitors on and off. The screen saver is set to one that is not blank screen. The Windows power settings are set to never turn off the display. When the problem occurs there is no significant disk activity occurring. When the problem occurs I can connect over the network to the hard drive on my computer. When the problem occurs I can't connect over the network with a VNC connection. The VNC client doesn't give an error, but also won't show the screen. The task actually seems to hang as I can see the task, but there is no window for it. This problem occurred when I was running a pre-release version of Windows 7. The hard drive was formatted for release version and the problem still occurs. I've been stopping some of my always running programs to see if one of them may be the culprit, but given the span between failures that will take some time to find the problem if it will even help at all. Some programs I have always running include IE, Firefox, Outlook, Evernote, Kana Reminder, Ditto, Macro Express, Timesnapper, and DisplayFusion. Any ideas appreciated.

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• Django rewrites URL as IP address in browser - why?

  - by Mitch

  I am using django, nginx and apache. When I access my site with a URL (e.g., http://www.foo.com/) what appears in my browser address is the IP address with admin appended (e.g., http://123.45.67.890/admin/). When I access the site by IP, it is redirected as expected by django's urls.py (e.g., http://123.45.67.890/ - http://123.45.67.890/accounts/login/?next=/) I would like to have the name URL act the same way as the IP. That is, if the URL goes to a new view, the host in the browser address should remain the same and not change to the IP address. Where should I be looking to fix this? My files: ; cpa.com (apache) NameVirtualHost *:8080 <VirtualHost *:8080> AddOutputFilterByType DEFLATE text/html text/plain text/xml text/css text/javascript application/javascript application/x-javascript BrowserMatch ^Mozilla/4 gzip-only-text/html BrowserMatch ^Mozilla/4\.0[678] no-gzip BrowserMatch \bMSIE !no-gzip !gzip-only-text/htm DocumentRoot /path/to/root ServerName www.foo.com <IfModule mod_rpaf.c> RPAFenable On RPAFsethostname On RPAFproxy_ips 127.0.0.1 </IfModule> <Directory /public/static> AllowOverride None AddHandler mod_python .py PythonHandler mod_python.publisher </Directory> Alias / /dj <Location /> SetHandler python-program PythonPath "['/usr/lib/python2.5/site-packages/django', '/usr/lib/python2.5/site-packages/django/forms'] + sys.path" PythonHandler django.core.handlers.modpython SetEnv DJANGO_SETTINGS_MODULE dj.settings PythonDebug On </Location> </VirtualHost> ; ; ports.conf (apache) Listen 127.0.0.1:8080 ; ; cpa.conf (nginx) server { listen 80; server_name www.foo.com; location /static { root /var/public; index index.html; } location /cpa/js { root /var/public/js; } location /cpa/css { root /var/public/css; } location /djmedia { alias "/usr/lib/python2.5/site-packages/django/contrib/admin/media/"; } location / { include /etc/nginx/proxy.conf; proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for; proxy_pass http://127.0.0.1:8080; } } ; ; proxy.conf (nginx) proxy_redirect off; proxy_set_header Host $host; proxy_set_header X-Real-IP $remote_addr; proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for; client_max_body_size 10m; client_body_buffer_size 128k; proxy_connect_timeout 90; proxy_send_timeout 90; proxy_read_timeout 500; proxy_buffers 32 4k;

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• UNIX - mount: only root can do that

  - by Travesty3

  I need to allow a non-root user to mount/unmount a device. I am a total noob when it comes to UNIX, so please dumb it down for me. I've been looking all over teh interwebz to find an answer and it seems everyone is giving the same one, which is to modify /etc/fstab to include that device with the 'user' option (or 'users', tried both). Cool, well I did that and it still says "mount: only root can do that". Here are the contents of my fstab: # /etc/fstab: static file system information. # # Use 'vol_id --uuid' to print the universally unique identifier for a # device; this may be used with UUID= as a more robust way to name devices # that works even if disks are added and removed. See fstab(5). # # proc /proc proc defaults 0 0 # / was on /dev/mapper/minicc-root during installation UUID=1a69f02a-a049-4411-8c57-ff4ebd8bb933 / ext3 relatime,errors=remount-ro 0 1 # /boot was on /dev/sda5 during installation UUID=038498fe-1267-44c4-8788-e1354d71faf5 /boot ext2 relatime 0 2 # swap was on /dev/mapper/minicc-swap_1 during installation UUID=0bb583aa-84a8-43ef-98c4-c6cb25d20715 none swap sw 0 0 /dev/scd0 /media/cdrom0 udf,iso9660 user,noauto,exec,utf8 0 0 /dev/scd0 /media/floppy0 auto rw,user,noauto,exec,utf8 0 0 /dev/sdb1 /mnt/sdcard auto auto,user,rw,exec 0 0 My thumb drive partition shows up as /dev/sdb1. I'm pretty sure my fstab is set up OK, but everyone on the other posts seems to fail to mention how they actually call the 'mount' command once this entry is in the fstab file. I think this is where my problem may be. The command I use to mount the drive is: $ mount /dev/sdb1 /mnt/sdcard. /bin/mount is owned by root and is in the root group and has 4755 permissions. /bin/umount is owned by root and is in the root group and has 4755 permissions. /mnt/sdcard is owned by me and is in one of my groups and has 0755 permissions. My mount command works fine if I use sudo, but I need to be able to do this without sudo (need to be able to do it from a PHP script using shell_exec). Any suggestions? Sorry for making you read so much...just trying to get as much info in the initial post as possible to preemptively answer questions about configuration stuff. If I missed anything tho, ask away. Thanks! -Travis

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• Linux Mint Wireless doesn't connect

  - by guisantogui

  I'm having a great problem, I've installed Linux mint debian edition (LMDE), and following this tutorial http://community.linuxmint.com/tutorial/view/161 I did installed the network driver. The available connections appears to me, but when i try to connect to my connection at first time, I got this message: "(4) Did not receive a reply. Possible causes include: the remote application did not send a reply, the message bus security policy blocked the reply, the reply timeout expired, or the network connection was broken." And the following tries, I got this another message: "(32) Insufficient privileges." I'm accepting ideas. Thanks. EDIT: The last piece of the logs: Oct 5 00:22:38 gsouza-host ntpd[2116]: peers refreshed Oct 5 00:22:42 gsouza-host NetworkManager[2019]: <info> (wlan0): bringing up device. Oct 5 00:22:42 gsouza-host wpa_supplicant[2055]: nl80211: 'nl80211' generic netlink not found Oct 5 00:22:42 gsouza-host wpa_supplicant[2055]: Failed to initialize driver 'nl80211' Oct 5 00:22:42 gsouza-host wpa_supplicant[2055]: rfkill: WLAN soft blocked Oct 5 00:22:42 gsouza-host NetworkManager[2019]: <info> WiFi hardware radio set enabled Oct 5 00:22:42 gsouza-host NetworkManager[2019]: <info> WiFi now enabled by radio killswitch Oct 5 00:22:42 gsouza-host NetworkManager[2019]: <info> (wlan0): supplicant interface state: starting -> ready Oct 5 00:22:42 gsouza-host NetworkManager[2019]: <info> (wlan0): device state change: unavailable -> disconnected (reason 'supplicant-available') [20 30 42] Oct 5 00:22:42 gsouza-host NetworkManager[2019]: <info> (wlan0): supplicant interface state: ready -> inactive Oct 5 00:22:42 gsouza-host NetworkManager[2019]: <warn> Trying to remove a non-existant call id. Oct 5 00:22:42 gsouza-host wpa_supplicant[2055]: rfkill: WLAN unblocked Oct 5 00:22:44 gsouza-host avahi-daemon[1827]: Joining mDNS multicast group on interface wlan0.IPv6 with address fe80::7ae4:ff:fe4a:13a9. Oct 5 00:22:44 gsouza-host avahi-daemon[1827]: New relevant interface wlan0.IPv6 for mDNS. Oct 5 00:22:44 gsouza-host avahi-daemon[1827]: Registering new address record for fe80::7ae4:ff:fe4a:13a9 on wlan0.*. Oct 5 00:22:46 gsouza-host ntpd[2116]: Listen normally on 7 wlan0 fe80::7ae4:ff:fe4a:13a9 UDP 123 Oct 5 00:22:46 gsouza-host ntpd[2116]: peers refreshed

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• Nginx and PHP-FPM running out of connections

  - by E3pO

  I keep running into errors like these, [02-Jun-2012 01:52:04] WARNING: [pool www] seems busy (you may need to increase pm.start_servers, or pm.min/max_spare_servers), spawning 8 children, there are 19 idle, and 49 total children [02-Jun-2012 01:52:05] WARNING: [pool www] seems busy (you may need to increase pm.start_servers, or pm.min/max_spare_servers), spawning 16 children, there are 19 idle, and 50 total children [02-Jun-2012 01:52:06] WARNING: [pool www] seems busy (you may need to increase pm.start_servers, or pm.min/max_spare_servers), spawning 32 children, there are 19 idle, and 51 total children [02-Jun-2012 03:10:51] WARNING: [pool www] seems busy (you may need to increase pm.start_servers, or pm.min/max_spare_servers), spawning 8 children, there are 18 idle, and 91 total children I changed my settings for php-fpm to these, pm.max_children = 150 (It was at 100, i got a max_children reached and upped to 150) pm.start_servers = 75 pm.min_spare_servers = 20 pm.max_spare_servers = 150 Resulting in [02-Jun-2012 01:39:19] WARNING: [pool www] server reached pm.max_children setting (150), consider raising it I've just launched a new website that is getting a conciderable amount of traffic on it. This traffic is legitimate and users are getting 504 gateway timeouts when the limit is reached. I have limited connections to my server with IPTABLES and I'm running fail2ban and keeping track of nginx access logs. The traffic is all legitimate, i'm just running out of room for users. I'm currently running on a dual core box with ubuntu 64bit. free total used free shared buffers cached Mem: 6114284 5726984 387300 0 141612 4985384 -/+ buffers/cache: 599988 5514296 Swap: 524284 5804 518480 My php.ini max_input_time = 60 My nginx config is worker_processes 4; pid /var/run/nginx.pid; events { worker_connections 19000; # multi_accept on; } worker_rlimit_nofile 20000; #each connection needs a filehandle (or 2 if you are proxying) client_max_body_size 30M; client_body_timeout 10; client_header_timeout 10; keepalive_timeout 5 5; send_timeout 10; location ~ \.php$ { try_files $uri /er/error.php; fastcgi_split_path_info ^(.+\.php)(/.+)$; fastcgi_connect_timeout 60; fastcgi_send_timeout 180; fastcgi_read_timeout 180; fastcgi_buffer_size 128k; fastcgi_buffers 256 16k; fastcgi_busy_buffers_size 256k; fastcgi_temp_file_write_size 256k; fastcgi_max_temp_file_size 0; fastcgi_intercept_errors on; fastcgi_pass unix:/tmp/php5-fpm.sock; fastcgi_index index.php; include fastcgi_params; } What can I do to stop running out of connections? Why does this keep occurring? I'm monitoring my traffic on Google Analytics realtime and when the user count gets above about 120 my php-fpm.log is full of these warnings..

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• setting up a basic mod_proxy virtual host

  - by SevenProxies

  I'm trying to set up a basic virtual host to proxy all requests to test.local to a WEBrick server I have running on 127.0.0.1:8080 while keeping all requests to localhost going to my static files in /var/www. I'm running Ubuntu 10.04. I have libapache2-mod-proxy-html installed and I have the module enabled with a2enmod proxy. I also have my virtual host enabled. However, whenever I go to test.local I always get a cryptic 500 server error and all my logs are telling me is: [Thu Mar 03 01:43:10 2011] [warn] proxy: No protocol handler was valid for the URL /. If you are using a DSO version of mod_proxy, make sure the proxy submodules are included in the configuration using LoadModule. Here's my virtual host: <VirtualHost test.local:80> LoadModule proxy_module /usr/lib/apache2/modules/mod_proxy.so ServerAdmin webmaster@localhost ServerName test.local ProxyPreserveHost On # prevents this folder from being proxied ProxyPass /static ! DocumentRoot /var/www <Directory /> Options FollowSymLinks AllowOverride None </Directory> <Directory /var/www/> Options Indexes FollowSymLinks MultiViews AllowOverride None Order allow,deny allow from all </Directory> <Proxy *> Order allow,deny Allow from all </Proxy> ProxyPass / http://localhost:8080/ ProxyPassReverse / http://localhost:8080/ ErrorLog /var/log/apache2/error.log # Possible values include: debug, info, notice, warn, error, crit, # alert, emerg. LogLevel warn CustomLog /var/log/apache2/access.log combined and here's my settings for mod_proxy: <IfModule mod_proxy.c> #turning ProxyRequests on and allowing proxying from all may allow #spammers to use your proxy to send email. ProxyRequests Off <Proxy *> # default settings #AddDefaultCharset off #Order deny,allow #Deny from all ##Allow from .example.com AddDefaultCharset off Order allow,deny Allow from all </Proxy> # Enable/disable the handling of HTTP/1.1 "Via:" headers. # ("Full" adds the server version; "Block" removes all outgoing Via: headers) # Set to one of: Off | On | Full | Block ProxyVia On </IfModule> Does anybody know what I'm doing wrong? Thanks

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• Issues with Server 2012 using DFSR running on Hyper-V 2012

  - by Bryan

  We have a number of Server 2012 systems, all of which run virtualised on Hyper-V 2012 server. We are having problems with two such virtual instances, both of which are used as file servers, whereby they occasionally stop responding to requests to serve files to clients. After logging on to the server, attempts to shut it down gracefully fail (no error, it just fails to acknowledge a shutdown request). Recovery is a case of power cycling the server(s) from the Hyper-V console. These two servers don't server a large number of users (one serves no more than 6 users, and the other serves around 20 users), they are in the same domain, but on different physical hardware (and at different sites). They don't lock up at the same time. They both use DFSR to replicate a fairly large amount of data between themselves (200GB) over ADSL connections, this is working fine, and we have been using DFSR to do this on the previous two generations of server OS we have used (Server 2008 R2 and Server 2003 - both of which were physical installs however). Today, when one of the servers crashed, I noticed an entry in the event log, which looked similar to the following: Log Name: Application Source: ESENT Date: 27/11/2012 10:25:55 Event ID: 533 Task Category: General Level: Warning Keywords: Classic User: N/A Computer: HAL-FS-01.example.com Description: DFSRs (1500) \\.\E:\System Volume Information\DFSR\database_C8CC_101_CC00_EC0E\ dfsr.db: A request to write to the file "\\.\E:\System Volume Information\ DFSR\database_C8CC_101_CC00_EC0E\fsr.log" at offset 4423680 (0x0000000000438000) for 4096 (0x00001000) bytes has not completed for 36 second(s). This problem is likely due to faulty hardware. Please contact your hardware vendor for further assistance diagnosing the problem. When the server started up again, I went to find the event log entry to investigate further and found that the event log entry was no longer there (I assume it was in memory but failed to write to disk before the server was powered off, for the reason mentioned in the message). I found the above message by searching back further in the event log. Both of these virtual servers have their E: volumes fully allocated as opposed to dynamically expanding, and there are no other issues on any of the other virtual servers (which include server 2012, server 2008 R2 and Ubuntu 12.04 x64). There are no signs of IO, memory or CPU starvation on the host systems. I've used performance counters on the affected virtual servers to monitor memory usage (including non paged pool usage), as well as CPU and network utilisation, and none of these show any signs of trouble when the issue arises. I would have thought our configuration isn't that uncommon, so I'm wondering if anyone else has seen this, and managed to resolve the problem?

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• Why Does Wireless Gear Degrade Over Time?

  - by bahamat

  I saw this originally posted on slashdot, but their comment format is not conducive to actually getting a correct answer. Having directly experienced this phenomenon myself, I'm now asking here where I think I can actually get an educated answer. Here's the original question verbatim: Lately I have replaced several home wireless routers because the signal strength has been found to be degraded. These devices, when new (2+ years ago) would cover an entire house. Over the years, the strength seems to decrease to a point where it might only cover one or two rooms. Of the three that I have replaced for friends, I have not found a common brand, age, etc. It just seems that after time, the signal strength decreases. I know that routers are cheap and easy to replace but I'm curious what actually causes this. I would have assumed that the components would either work or not work; we would either have a full signal or have no signal. I am not an electrical engineer and I can't find the answer online so I'm reaching out to you. Can someone explain how a transmitter can slowly go bad? Common (incorrect, but repeated) answers from slashdot include: Back then your neighbors didn't have wifi, now they do. They drowning you out. I don't think this is likely because replacing the access point with a new one and using the same frequencies solves the problem. Older devices had low transmit power. Crank that baby. As mentioned by a FreeBSD wireless developer this violates regulations and can physically damage the equipment. It was also mentioned that higher power in one direction is not necessarily reciprocated. This shows higher bars, but not necessarily a better connection. Manufacturers make cheap crap designed to wear out. This one actually may be legitimate although it is overly broad. What specifically causes damage over time? Heat? Excessive power? So can anyone provide an informed answer on this? Is there any way to fix these older access points?

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• Supervisord appears to be running, but monitored programs aren't launched

  - by Brad Montgomery

  I've got supervisord 3.0a8 installed from the system package on ubuntu 10.04 (64bit). The supervisor service appears to be running, but it's not launching the configured programs. Interestingly enough, this exact configuration is running on another system, and is working as expected. The main config file looks like this: ; /etc/supervisor/supervisord.conf [unix_http_server] chmod=0700 file=/var/run/supervisor.sock [supervisord] logfile=/var/log/supervisor/supervisord.log childlogdir=/var/log/supervisor pidfile=/var/run/supervisord.pid [rpcinterface:supervisor] supervisor.rpcinterface_factory = supervisor.rpcinterface:make_main_rpcinterface [supervisorctl] serverurl=unix:///var/run/supervisor.sock [include] files = /etc/supervisor/conf.d/*.conf A sample program config looks like this: ; /etc/supervisor/conf.d/sample.conf [program:sample] directory=/opt/sample command=/opt/sample/run.sh Where, the /opt/sample/run.sh is: #!/bin/bash while true; do T=`date` echo "[$T] Running!" >> /var/log/sample.log sleep 1 done And, here's some additional information regarding the running instance of supervisord: root@myhost:~# supervisorctl version 3.0a8 root@myhost:~# which supervisorctl /usr/bin/supervisorctl root@myhost:~# which supervisord /usr/bin/supervisord root@myhost:~# supervisorctl status # NOTE that there's no output! root@myhost:~# supervisorctl avail root@myhost:~# service supervisor status is running root@myhost:~# ps aux | grep supervisor root 21740 0.1 0.4 40772 10056 ? Ss 11:28 0:00 /usr/bin/python /usr/bin/supervisord root 21749 0.0 0.0 7624 932 pts/2 S+ 11:28 0:00 grep --color=auto supervisor root@myhost:~# cat /var/log/supervisor/supervisord.log 2012-04-26 11:28:22,483 CRIT Supervisor running as root (no user in config file) 2012-04-26 11:28:22,536 INFO RPC interface 'supervisor' initialized 2012-04-26 11:28:22,536 WARN cElementTree not installed, using slower XML parser for XML-RPC 2012-04-26 11:28:22,536 CRIT Server 'unix_http_server' running without any HTTP authentication checking 2012-04-26 11:28:22,539 INFO daemonizing the supervisord process 2012-04-26 11:28:22,539 INFO supervisord started with pid 21740 root@myhost:~# ll /etc/supervisor/conf.d/ total 28 drwxr-xr-x 2 root root 4096 2012-04-26 11:31 ./ drwxr-xr-x 3 root root 4096 2012-04-25 18:38 ../ -rw-r--r-- 1 root root 66 2012-04-26 11:31 sample.conf root@myhost:~# ll /opt/sample/ total 12 drwxr-xr-x 2 root root 4096 2012-04-26 11:32 ./ drwxr-xr-x 4 root root 4096 2012-04-26 11:31 ../ -rwxr-xr-x 1 root root 97 2012-04-26 11:32 run.sh* root@myhost:~# python Python 2.6.5 (r265:79063, Apr 16 2010, 13:57:41) [GCC 4.4.3] on linux2 Type "help", "copyright", "credits" or "license" for more information. >>> Any help is greatly appreciated!

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• Apache2 & .htaccess : Apache ignoring AccessFile

  - by Elyx0

  Hi there here is my server configuration: DEBIAN 32Bits / PHP 5 / Apache Server version: Apache/2.2.3 - Server built: Mar 22 2008 09:29:10 The AccessFiles : grep -ni AccessFileName * apache2.conf:134:AccessFileName .htaccess apache2.conf:667:AccessFileName .httpdoverride All the AllowOverride statements in my apache2/ folder. mods-available/userdir.conf:6: AllowOverride Indexes AuthConfig Limit mods-available/userdir.conf:16: AllowOverride FileInfo AuthConfig Limit mods-enabled/userdir.conf:6: AllowOverride Indexes AuthConfig Limit mods-enabled/userdir.conf:16: AllowOverride FileInfo AuthConfig Limit sites-enabled/default:8: AllowOverride All sites-enabled/default:14: AllowOverride All sites-enabled/default:19: AllowOverride All sites-enabled/default:24: AllowOverride All sites-enabled/default:42: AllowOverride All The sites-enabled/default file : 1 <VirtualHost *> 2 ServerAdmin [email protected] 3 ServerName mysite.com 4 ServerAlias mysite.com 5 DocumentRoot /var/www/mysite.com/ 6 <Directory /> 7 Options FollowSymLinks 8 AllowOverride All 9 Order Deny,Allow 10 Deny from all 11 </Directory> 12 <Directory /var/www/mysite.com/> 13 Options Indexes FollowSymLinks MultiViews 14 AllowOverride All 15 Order allow,deny 16 allow from all 17 </Directory> 18 <Directory /var/www/mysite.com/test/> 19 AllowOverride All 20 </Directory> 21 22 ScriptAlias /cgi-bin/ /usr/lib/cgi-bin/ 23 <Directory "/usr/lib/cgi-bin"> 24 AllowOverride All 25 Options ExecCGI -MultiViews +SymLinksIfOwnerMatch 26 Order allow,deny 27 Allow from all 28 </Directory> 29 30 ErrorLog /var/log/apache2/error.log 31 32 # Possible values include: debug, info, notice, warn, error, crit, 33 # alert, emerg. 34 LogLevel warn 35 36 CustomLog /var/log/apache2/access.log combined 37 ServerSignature Off 38 39 Alias /doc/ "/usr/share/doc/" 40 <Directory "/usr/share/doc/"> 41 Options Indexes MultiViews FollowSymLinks 42 AllowOverride All 43 Order deny,allow 44 Deny from all 45 Allow from 127.0.0.0/255.0.0.0 ::1/128 46 </Directory> 47 48 49 50 51 52 53 54 </VirtualHost> If i change any Allow from all in Deny from all , it works whenever i put it. I've got one .htaccess at /mysite.com/.htaccess & one at /mysite.com/test/.htaccess with: Order Deny,Allow Deny from all Neither of them work i can still see my website. I've got mod_rewrite enabled but i don't think it does anything here. I've tried almost everything :/ It works on my local environnement (MAMP) but fails when on my Debian server.

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• Nginx Password Protect Directory Downloads Source Code

  - by Pamela

  I'm trying to password protect a WordPress login page on my Nginx server. When I navigate to http://www.example.com/wp-login.php, this brings up the "Authentication Required" prompt (not the WordPress login page) for a username and password. However, when I input the correct credentials, it downloads the PHP source code (wp-login.php) instead of showing the WordPress login page. Permission for my htpasswd file is set to 644. Here are the directives in question within the server block of my website's configuration file: location ^~ /wp-login.php { auth_basic "Restricted Area"; auth_basic_user_file htpasswd; } Alternately, here are the entire contents of my configuration file (including the above four lines): server { listen *:80; server_name domain.com www.domain.com; root /var/www/domain.com/web; index index.html index.htm index.php index.cgi index.pl index.xhtml; error_log /var/log/ispconfig/httpd/domain.com/error.log; access_log /var/log/ispconfig/httpd/domain.com/access.log combine$ location ~ /\. { deny all; access_log off; log_not_found off; } location = /favicon.ico { log_not_found off; access_log off; } location = /robots.txt { allow all; log_not_found off; access_log off; } location /stats/ { index index.html index.php; auth_basic "Members Only"; auth_basic_user_file /var/www/web/stats/.htp$ } location ^~ /awstats-icon { alias /usr/share/awstats/icon; } location ~ \.php$ { try_files /b371b8bbf0b595046a2ef9ac5309a1c0.htm @php; } location @php { try_files $uri =404; include /etc/nginx/fastcgi_params; fastcgi_pass unix:/var/lib/php5-fpm/web11.sock; fastcgi_index index.php; fastcgi_param SCRIPT_FILENAME $document_root$fastcgi_script_name; fastcgi_intercept_errors on; } location / { try_files $uri $uri/ /index.php?$args; client_max_body_size 64M; } location ^~ /wp-login.php { auth_basic "Restricted Area"; auth_basic_user_file htpasswd; } } If it makes any difference, I'm using Ubuntu 14.04.1 LTS with Nginx 1.4.6 and ISPConfig 3.0.5.4p3.

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• order of operations for environment variables

  - by alyda

  I want to understand how environment variables are set and reset (overridden). I'm running Apache/2.2.24 (Unix) PHP/5.4.14 on a mac . My theory is this: Environment vars can be set in bash, then they can be overwritten with httpd.conf preceding a VirtualHost directive that precedes php.ini, which can then be overwritten by .htaccess (if allowable) and finally by PHP I tried the following: setting environment variable in bash: I added export ENVIRONMENT='local' to my ~/.bashrc file, restarted apache and did not get any output from print_r($_ENV); (in a simple index.php file at the root of my webserver). I also tried putting ENVIRONMENT='local' into /etc/environment, and restarting apache, nothing, as well as /etc/bashrc, restart apache. still nothing. setting environment variable in httpd.conf: I added SetEnv ENVIRONMENT 'local-httpd to the end of my /etc/apache2/httpd.conf file (but before I load other conf files, such as virtual host [Include /private/etc/apache2/other/*.conf]). I now see the variable in the array print_r($_SERVER); but not print_r($_ENV);. setting environment variable in httpd-vhosts.conf: I added SetEnv ENVIRONMENT 'local-vhost to my /etc/apache2/extra/httpd-vhosts.conf file in my generic directive that points to my default document root. I now see the variable has been overwritten (to local-vhost from local-httpd, so I know where the variable is getting set). setting environment variable in php.ini: while searching for a proper place to put my environment variable, I noticed that variables_order = "GPCS" was set to the production value rather than EGPCS. I changed it, restarted my server and found that I was now getting output for print_r($_ENV); but not my expected custom variable. It also appears that I am not able to set a custom variable in this file. Please tell me if I am wrong setting environment variable in .htaccess: I added SetEnv ENVIRONMENT 'local-htaccess'. This worked as expected, overwriting all other values that were set. setting / overwriting environment variable in PHP: if (...) { putenv('ENVIRONMENT=local'); } I'm asking this question because I have a lot of local and remote testing servers, some of which may or may not allow me access to modify httpd, httpd-vhost, php.ini or environment variables. I want to understand what is best for those difference scenarios (shared hosting, heroku, local servers, etc) I obviously don't know how to properly set the environment variable in bash in a way that php can use it, I'd like to know how to do that (as I think Heroku does something similar with heroku config set...)

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• How to setup phpmyadmin with nginx and access it from http://vps-ip/phpmyadmin

  - by Danny

  The phpmyadmin files are located here /usr/share/phpmyadmin/ And I have this server block code that allows me to access phpmyadmin only from http://vps-ip/: server { listen 80; ## listen for ipv4; this line is default and implied #listen [::]:80 default ipv6only=on; ## listen for ipv6 root /usr/share/phpmyadmin/; index index.php index.html index.htm; server_name ein; location / { root /usr/share/phpmyadmin/; index index index.php; try_files $uri/ $uri /index.php?q=$uri&amp&$args; port_in_redirect off; } location ~* ^.+.(jpg|jpeg|gif|css|png|js|ico|xml)$ { access_log off; log_not_found off; expires max; root /usr/share/phpmyadmin/; } location ~ \.php$ { fastcgi_split_path_info ^(.+\.php)(/.+)$; #NOTE: You should have "cgi.fix_pathinfo = 0;" in php.ini fastcgi_pass php; fastcgi_index index.php; fastcgi_param SCRIPT_FILENAME /usr/share/phpmyadmin/$fastcgi_script_name; include fastcgi_params; fastcgi_param QUERY_STRING $query_string; fastcgi_param REQUEST_METHOD $request_method; fastcgi_param CONTENT_TYPE $content_type; fastcgi_param CONTENT_LENGTH $content_length; fastcgi_intercept_errors on; fastcgi_ignore_client_abort off; fastcgi_connect_timeout 60; fastcgi_send_timeout 360; fastcgi_read_timeout 360; fastcgi_buffer_size 128k; fastcgi_buffers 8 256k; fastcgi_busy_buffers_size 256k; fastcgi_temp_file_write_size 256k; } location ~ /.htaccess { deny all; log_not_found off; access_log off; } location ~ /.htpasswd { deny all; log_not_found off; access_log off; } location = /favicon.ico { allow all; log_not_found off; access_log off; } location = /robots.txt { allow all; log_not_found off; access_log off; } } What changes I need to do in order to access phpmyadmin from http://vps-ip/phpmyadmin ?

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• How to block subreddits with BIND9?

  - by user1391189

  Please help me block NSFW subreddits like this one (http://www.reddit.com/r/NSFW/) I would like to keep access to SFW subreddits, but block certain subreddits that are distracting or NSFW. I know how to filter domains. (see files below) But how do I apply the filter only to certain subreddits? So far I have set up the following files: blocklist.conf zone "adimages.go.com" { type master; file "dummy-block"; }; zone "admonitor.net" { type master; file "dummy-block"; }; zone "ads.specificpop.com" { type master; file "dummy-block"; }; ... named.conf options { allow-query { 127.0.0.1; }; allow-recursion { 127.0.0.1; }; directory "c:\bind\etc"; notify no; }; zone "." IN { type hint; file "c:\bind\etc\named.root"; }; zone "localhost" IN { allow-update { none; }; file "c:\bind\etc\localhost.zone"; type master; }; zone "0.0.127.in-addr.arpa" IN { allow-update { none; }; file "c:\bind\etc\named.local"; type master; }; key "rndc-key" { algorithm hmac-md5; secret "O5VdbBKKEMzuLYjM60CxwuLLURFA6peDYHCBvZCqjoa6KtL1ggD7OTLeLtnu2jR5I5cwA/MQ8UdHc+9tMJRSiw=="; }; controls { inet 127.0.0.1 port 953 allow { 127.0.0.1; } keys { "rndc-key"; }; }; //Blocklist include "c:\bind\etc\blocklist.conf"; dummy-block $TTL 604800 @ IN SOA localhost. root.localhost. ( 2 ; Serial 604800 ; Refresh 86400 ; Retry 2419200 ; Expire 604800 ) ; Negative Cache TTL ; @ IN NS localhost. @ IN A 127.0.0.1 * IN A 127.0.0.1

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• Completely remove user account and create another with same name in Windows 7

  - by TeaJay

  Here's my question simply and then the details in case they help to get me an appropriate answer. Question: How can I completely and permanently delete a user account in Windows 7 so that I can create another one with the same user name without the computer name extension added, eg Jane Smith not Jane Smith.computer name? The details: I just did a clean install of Windows 7 Professional 32 bit. (My laptop crashed, I reinstalled Vista and restored backup files but things weren't working so I decided to just get Windows 7 since I had to start over anyway). I used Windows Easy Transfer to save just about everything, even customizing to include a user's appdata from Windows.old which was created when I reinstalled Vista -- not knowing that another windows.old file would be created with the installation of Windows 7. After installing Windows 7, I used Windows Easy Transfer to transfer the user file, appdata, to the new user account which I gave the same name (Jane Smith) in case having a different name would cause problems with reading files or something. Afterwards, I realized that I did not want ALL of that junk. So, I thought no problem, I'll just delete the user account I just created, nothing lost, and create another one this time transferring only the files I wanted (using the customize option in windows easy transfer). I wanted to keep the same user name, e.g. Jane Smith, so after I deleted the user account I checked the files, and I didn't see. It was late so I went to bed and the next morning I created a new user with that same name (Jane Smith). The files looked fine if I remember correctly. Meanwhile, I updated the computer and it restarted a couple times. As I was moving files to the "Jane Smith" user account file, things weren't working as they should. I was actually moving files to the deleted user account and that the current user account was named "Jane Smith.computer name" and that's where the files needed to go. I don't like this. It's too confusing. I want just "Jane Smith". How can I do this without just changing the user name (which doesn't change it in the file path etc)? I want the first one GONE. If I can't do this, is it a problem to create an account with another name and still transfer files to it without path or other problems? I hope this question makes sense and that someone can help me. Thank you in advance!

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• Using Amazon S3 for multiple remote data site uploads, securely

  - by Aitch

  I've been playing about with Amazon S3 a little for the first time and like what I see for various reasons relating to my potential use case. We have multiple (online) remote server boxes harvesting sensor data that is regularly uploaded every hour or so (rsync'ed) to a VPS server. The number of remote server boxes is growing regularly and forecast to keep growing (hundreds). The servers are geographically dispersed. The servers are also automatically built, therefore generic with standard tools and not bespoke per location. The data is many hundreds of files per day. I want to avoid a situation where I need to provision more VPS storage, or additional servers every time we hit the VPS capacity limit, after every N server deployments, whatever N might be. The remote servers can never be considered fully secure due to us not knowing what might happen to them when we are not looking. Our current solution is a bit naive and simply restricts inbound rsync only over ssh to known mac address directories and a known public key. There are plenty of holes to pick in this, I know. Let's say I write or use a script like s3cmd/s3sync to potentially push up the files. Would I need to manage hundreds of access keys and have each server customized to include this (do-able, but key management becomes nightmarish?) Could I restrict inbound connections somehow (eg by mac address), or just allow write-only to any client that was running the script? ( i could deal with a flood of data if someone got into a system? ) having a bucket per remote machine does not seem feasible due to bucket limits? I don't think I want to use a single common key as if one machine is breached then potentially, a malicious hack could get access to the filestore key and start deleting for ll clients, correct? I hope my inexperience has not blinded me to some other solution that might be suggested! I've read lots of examples of people using S3 for backup, but can't really find anything about this sort of data collection, unless my google terminology is wrong... I've written more than I should here, perhaps it can be summarised thus: In a perfect world I just want to have one of our techs install a new remote server into a location and it automagically starts sending files home with little or no intervention, and minimises risk? Pipedream or feasible? TIA, Aitch

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• Setting up a very mixed Active Directory network to work with PowerShell Remote Administration

  - by erictheavg

  Summary: I want to be able to monitor the computers on my network, but don't need it to be automated. We're too small to purchase anything like MOM, but too big to do anything manually (~100 machines in two locations). I just keep running into issues, and was wondering if there's a master list of Group Policy settings I can distribute to my environment to get Remote Powershell working. Environment: Our AD network is pretty mixed. The end users have XP SP3, Win 7, and Win 7 x64. The servers include Win2k3 SP2, Win2k8, Win2k8 x64, Win2k8 R2, and Win2k8 R2 x64. Details: I'm trying to get it to work with Remote Powershell, but I run into errors like the following: Connecting to remote server failed with the following error message : The WinRM client cannot process the request. Default authentication may be used with an IP address under the following conditions: the transport is HTTPS or the destination is in the TrustedHosts list, and explicit credentials are provided. Use winrm.cmd to configure TrustedHosts. Note that computers in the TrustedHosts list might not be authenticated. For more information on how to set TrustedHosts run the following command: winrm help config. For more information, see the about_Remote_Troubleshooting Help topic. + CategoryInfo : OpenError: (:) [], PSRemotingTransportException + FullyQualifiedErrorId : PSSessionStateBroken Then I go to the computer (Win2k3 SP2 server) and run winrm quickconfig per the recommendations via google, and it says: Make these changes [y/n]? y WinRM has been updated to receive requests. WinRM service started. WSManFault Message = The client cannot connect to the destination specified in the request. Verify that the service on the destination is running and is accepting requests. Consult the logs and documentation for the WS-Management service running on the destination, most commonly IIS or WinRM. If the destination is the WinRM service, run the following command on the destination to analyze and configure the WinRM service: "winrm quickconfig". Error number: -2144108526 0x80338012 The client cannot connect to the destination specified in the request. Verify that the service on the destination is running and is accepting requests. Consult the logs and documentation for the WS-Management service running on the destination, most commonly IIS or WinRM. If the destination is the WinRM service, run the following command on the destination to analyze and configure the WinRM service: "winrm quickconfig". That's right. It tells me to remedy my winrm quickconfig failure by running winrm quickconfig. I don't want to band-aid this project one google search at a time. I'm sure there is a step-by-step tutorial out there on how to set up a network for powershell remote administration. Does anyone know of one? Books are acceptable. Thanks in advance! I didn't think my question would get this long.

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• nginx, php-fpm, and multiple roots - how to properly try_files?

  - by Carson C.

  I have a server context which is rooted in a login application. The login application handles, well, logins, and then returns a redirect to "/app" on the same server if a login is successful. The application is rooted elsewhere, which is handled by the location block shown here: location ^~ /app { alias /usr/share/nginx/www/website.com/content/public; location ~ \.php$ { try_files $uri =404; fastcgi_pass unix:/tmp/php5-fpm.sock; include fastcgi_params; } } This works just fine, however the $uri getting passed to PHP still contains /app, even though I am using alias rather than root. Because of this, the try_files directive fails to a 404 unless I link app -> ./ in /usr/share/nginx/www/website.com/content/public. It's obviously silly to have that link in there, and if that link ever gets lost, bam dead website without an obvious cause. The next thing I tried... Was to remove the try_files directive entirely. This allowed me to rm the app link in my /public folder, and PHP had no problem locating the file and executing it. I used that to dump my $_SERVER global from PHP, and found that "SCRIPT_FILENAME" => "/usr/share/nginx/www/website.com/content/public/index.php" when the browser URI is /app. This is exactly right. Based on my fastcgi_params below, this led me to beleive that try_files $request_filename =404; should work, but no dice. nginx still doesn't find the file, and returns 404. So for right now, it will only work without any try_files directive. PHP finds the file, whereas try_files could not. I understand this may be a PHP security risk. Can anyone indicate how to move forward? The nginx logs don't contain anything relating to the failed try_files attempt, as far as I can see. fastcgi_aparams fastcgi_param QUERY_STRING $query_string; fastcgi_param REQUEST_METHOD $request_method; fastcgi_param CONTENT_TYPE $content_type; fastcgi_param CONTENT_LENGTH $content_length; fastcgi_param SCRIPT_FILENAME $request_filename; fastcgi_param SCRIPT_NAME $fastcgi_script_name; fastcgi_param REQUEST_URI $request_uri; fastcgi_param DOCUMENT_URI $document_uri; fastcgi_param DOCUMENT_ROOT $document_root; fastcgi_param SERVER_PROTOCOL $server_protocol; fastcgi_param GATEWAY_INTERFACE CGI/1.1; fastcgi_param SERVER_SOFTWARE nginx/$nginx_version; fastcgi_param REMOTE_ADDR $remote_addr; fastcgi_param REMOTE_PORT $remote_port; fastcgi_param SERVER_ADDR $server_addr; fastcgi_param SERVER_PORT $server_port; fastcgi_param SERVER_NAME $server_name; fastcgi_param HTTPS $server_https;

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• PHP & MySQL on Mac OS X: Access denied for GUI user

  - by Eirik Lillebo

  Hey! This question was first posted to Stack Overflow, but as it is perhaps just as much a server issue I though it might be just as well to post it here also. I have just installed and configured Apache, MySQL, PHP and phpMyAdmin on my Macbook in order to have a local development environment. But after I moved one of my projects over to the local server I get a weird MySQL error from one of my calls to mysql_query(): Access denied for user '_securityagent'@'localhost' (using password: NO) First of all, the query I'm sending to MySQL is all valid, and I've even testet it through phpMyAdmin with perfect result. Secondly, the error message only happens here while I have at least 4 other mysql connections and queries per page. This call to mysql_query() happens at the end of a really long function that handles data for newly created or modified articles. This basically what it does: Collect all the data from article form (title, content, dates, etc..) Validate collected data Connect to database Dynamically build SQL query based on validated article data Send query to database before closing the connection Pretty basic, I know. I did not recognize the username "_securityagent" so after a quick search I came across this from and article at Apple's Developer Connection talking about some random bug: Mac OS X's security infrastructure gets around this problem by running its GUI code as a special user, "_securityagent". Then I tried put a var_dump() on all variables used in the mysql_connect() call, and every time it returns the correct values (where username is not "_securityagent" of course). Thus I'm wondering if anyone has any idea why 'securityagent' is trying to connect to my database - and how I can keep this error from occurring when I call mysql_query(). Update: Here is the exact code I'm using to connect to the database. But a little explanation must follow: The connection error happens at a call to mysql_query() in function X in class_1 class_1 uses class_2 to connect to database class_2 reads a config file with the database connection variables (host, user, pass, db) class_2 connect to the database through the following function: var $SYSTEM_DB_HOST = ""; function connect_db() { // Reads the config file include('system_config.php'); if (!($SYSTEM_DB_HOST == "")) { mysql_connect($SYSTEM_DB_HOST, $SYSTEM_DB_USER, $SYSTEM_DB_PASS); @mysql_select_db($SYSTEM_DB); return true; } else { return false; } }

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• How Do I Restrict Repository Access via WebSVN?

  - by kaybenleroll

  I have multiple subversion repositories which are served up through Apache 2.2 and WebDAV. They are all located in a central place, and I used this debian-administration.org article as the basis (I dropped the use of the database authentication for a simple htpasswd file though). Since then, I have also started using WebSVN. My issue is that not all users on the system should be able to access the different repositories, and the default setup of WebSVN is to allow anyone who can authenticate. According to the WebSVN documentation, the best way around this is to use subversion's path access system, so I looked to create this, using the AuthzSVNAccessFile directive. When I do this though, I keep getting "403 Forbidden" messages. My files look like the following: I have default policy settings in a file: <Location /svn/> DAV svn SVNParentPath /var/lib/svn/repository Order deny,allow Deny from all </Location> Each repository gets a policy file like below: <Location /svn/sysadmin/> Include /var/lib/svn/conf/default_auth.conf AuthName "Repository for sysadmin" require user joebloggs jimsmith mickmurphy </Location> The default_auth.conf file contains this: SVNParentPath /var/lib/svn/repository AuthType basic AuthUserFile /var/lib/svn/conf/.dav_svn.passwd AuthzSVNAccessFile /var/lib/svn/conf/svnaccess.conf I am not fully sure why I need the second SVNParentPath in default_auth.conf, but I just added that today as I was getting error messages as a result of adding the AuthzSVNAccessFile directive. With a totally permissive access file [/] joebloggs = rw the system worked fine (and was essentially unchanged), but as I soon as I start trying to add any kind of restrictions such as [sysadmin:/] joebloggs = rw instead, I get the 'Permission denied' errors again. The log file entries are: [Thu May 28 10:40:17 2009] [error] [client 89.100.219.180] Access denied: 'joebloggs' GET websvn:/ [Thu May 28 10:40:20 2009] [error] [client 89.100.219.180] Access denied: 'joebloggs' GET svn:/sysadmin What do I need to do to get this to work? Have configured apache wrong, or is my understanding of the svnaccess.conf file incorrect? If I am going about this the wrong way, I have no particular attachment to my overall approach, so feel free to offer alternatives as well. UPDATE (20090528-1600): I attempted to implement this answer, but I still cannot get it to work properly. I know most of the configuration is correct, as I have added [/] joebloggs = rw at the start and 'joebloggs' then has all the correct access. When I try to go repository-specific though, doing something like [/] joebloggs = rw [sysadmin:/] mickmurphy = rw then I got a permission denied error for mickmurphy (joebloggs still works), with an error similar to what I already had previously [Thu May 28 10:40:20 2009] [error] [client 89.100.219.180] Access denied: 'mickmurphy' GET svn:/sysadmin Also, I forgot to explain previously that all my repositories are underneath /var/lib/svn/repository UPDATE (20090529-1245): Still no luck getting this to work, but all the signs seem to be pointing to the issue being with path-access control in subversion not working properly. My assumption is that I have not conf

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• Why do I have multiple drives in my backup system image?

  - by bebop

  I have a drive which has 2 partitions. One is where the OS is installed, the other is a data (but not libraries) drive. When I try and create a backup using the built in tool, it wants to include both partitions in the system image. Why does it do this? If I move the os to a separate drive will I be able to back up just this data? Edit: To be more clear. I have 4 disks in the machine. 1 disc has 2 partitions. These are c: and e:, the other disks are d: f: and h:. The OS is installed on c: and libraries are stored on h:. The libraries are already backed up using crashplan, but I want to create a system image so I can easily restore the machine, if it either dies or if I get a SSD drive. When I choose backup (either through the wizard or if I open it through control panel) and check (or click) create a system image it automatically adds both c: and e: to the list of drives that will be backed up, and I cannot change this, the checkboxes to unselect are greyed out. I would like to know why it automatically adds e: to the list (but not h:, where the libraries are) and if I can change some setting so whatever files it has on e: that it thinks need to be backed up as part of the system image are moved to c:. How can I determine what they are? Is it because c: and e: are partitions of the same disk? If I move c: tro a different disk will that mean I only have to back up c:? Thanks Edit 2: I have viewed all files including hidden and system ones on both drives and it seems that I have a suspicous hidden e:\boot\ folder. I think that I might have installed the OS as a VHD at first then installed a seperate version straight on the disk, having dual boot for a while, then used EasyBCD to remove the VHD boot and file. Might this be what is causing my issue? How might I go about removing this? is it safe to just delete the boot folder?

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• Deploying Django App with Nginx, Apache, mod_wsgi

  - by JCWong

  I have a django app which can run locally using the standard development environment. I want to now move this to EC2 for production. The django documentation suggests running with apache and mod_wsgi, and using nginx for loading static files. I am running Ubuntu 12.04 on an Ec2 box. My Django app, "ddt", contains a subdirectory "apache" with ddt.wsgi import os, sys apache_configuration= os.path.dirname(__file__) project = os.path.dirname(apache_configuration) workspace = os.path.dirname(project) sys.path.append(workspace) sys.path.append('/usr/lib/python2.7/site-packages/django/') sys.path.append('/home/jeffrey/www/ddt/') os.environ['DJANGO_SETTINGS_MODULE'] = 'ddt.settings' import django.core.handlers.wsgi application = django.core.handlers.wsgi.WSGIHandler() I have mod_wsgi installed from apt. My apache/httpd.conf contains NameVirtualHost *:8080 WSGIScriptAlias / /home/jeffrey/www/ddt/apache/ddt.wsgi WSGIPythonPath /home/jeffrey/www/ddt <Directory /home/jeffrey/www/ddt/apache/> <Files ddt.wsgi> Order deny,allow Allow from all </Files> </Directory> Under apache2/sites-enabled <VirtualHost *:8080> ServerName www.mysite.com ServerAlias mysite.com <Directory /home/jeffrey/www/ddt/apache/> Order deny,allow Allow from all </Directory> LogLevel warn ErrorLog /home/jeffrey/www/ddt/logs/apache_error.log CustomLog /home/jeffrey/www/ddt/logs/apache_access.log combined WSGIDaemonProcess datadriventrading.com user=www-data group=www-data threads=25 WSGIProcessGroup datadriventrading.com WSGIScriptAlias / /home/jeffrey/www/ddt/apache/ddt.wsgi </VirtualHost> If I am correct, these 3 files above should correctly allow my django app to run on port 8080. I have the following nginx/proxy.conf file proxy_redirect off; proxy_set_header Host $host; proxy_set_header X-Real-IP $remote_addr; proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for; client_max_body_size 10m; client_body_buffer_size 128k; proxy_connect_timeout 90; proxy_send_timeout 90; proxy_read_timeout 90; proxy_buffer_size 4k; proxy_buffers 4 32k; proxy_busy_buffers_size 64k; proxy_temp_file_write_size 64k; Under nginx/sites-enabled server { listen 80; server_name www.mysite.com mysite.com; access_log /home/jeffrey/www/ddt/logs/nginx_access.log; error_log /home/jeffrey/www/ddt/logs/nginx_error.log; location / { proxy_pass http://127.0.0.1:8080; include /etc/nginx/proxy.conf; } location /media/ { root /home/jeffrey/www/ddt/; } } If I am correct these two files should setup nginx to take requests on the HTTP port 80, but then direct requests to apache which is running the django app on port 8080. If i go to mysite.com, all I see is Welcome to Nginx! Any advice for how to debug this?

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• Varnish + Plesk : vhost broken

  - by Raphaël

  I have an e-commerce site with 300,000 products and 20,000 categories. It is slow and currently in production. I decided to install Varnish to speed up. The trouble is that during installation, I got a Guru Meditation. Since the site is in production, I am not allowed to leave this error more than a second, thinking to have made an enormous stupidity. I followed the following tutorial: http://www.euperia.com/linux/setting-up-varnish-with-apache-tutorial I'm sure I followed all without error. I say that there may be a specific configuration with plesk. Has anyone already installed Varnish on a ubuntu 11.04 server with plesk 10? Does anyone have a better resource? I know it is "very vague" as an error, but maybe some of you have had this problem. edit 24/11/2011 I continued to work on Varnish + Plesk ... but it still does not work. 1) I changed the port for apache in plesk General # mysql -uadmin -p`cat /etc/psa/.psa.shadow` -D psa -e'replace into misc (param, val) values ("http_port", 8008)' 1.1) I rebuild the server conf # /usr/local/psa/admin/bin/httpdmng --reconfigure-all 2) I changed the apache conf files (if those were not taking full plesk top) vim /etc/apache2/ports.conf NameVirtualHost *:8008 Listen 8008 2.1) I do the same with /etc/apache2/sites-enables/000-default 3) I changed the port of my vhost (a single server) vim /var/www/vhosts/MYDOMAIN.COM/conf/XXXXXXXXX.http.include Replace the port 80 by this I want. Rebuild the vhost conf /usr/local/psa/admin/sbin/websrvmng --reconfigure-vhost --vhost-name=<domain_name> with without www (See my issue in serverfault: Edit vhost port in plesk 10.3 ) 4) I installed varnish by following this tutorial : http://www.euperia.com/linux/setting-up-varnish-with-apache-tutorial 5) I restart apache 2 + varnish service apache2 restart service varnish restart When I go to my site, I come across a page of apache It works! This is the default web page for this server. The web server software is running but no content has been added, yet. Can somebody help me ? This means that my vhost does not point to the right place. Why? What to do? How?

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• Nginx / uWsgi / Django site can handle more traffic with rewrite URL

  - by Ludo

  Hi there. I'm running a Django app, using uWsgi behind Nginx. I've been doing some performance tuning and load testing using ApacheBench and have discovered something unexpected which I wonder if someone could explain for me. In my Nginx config I have a rewrite directive which catches lots of different URL permutations and then forwards them to the canonical URL I wish to use, eg, it traps www.mysite.com/whatever, www.mysite.co.uk/whatever and forwards them all to http://mysite.com/whatever. If I load test against any of the URLs listed with a redirect (ie, NOT the canonical URL which it is eventually forwarded to), it can serve 15000 concurrent connections without breaking a sweat. If I load test against the canonical URL, which the above test I would have expected got forwarded to anyway, it can't handle nearly as much. It will drop about 4000 of the 15000 requests, and can only handle about 9000 reliably. This is the command line I'm using to test: ab -c15000 -n15000 http://www.mysite.com/somepath/ and ab -c15000 -n15000 http://mysite.com/somepath/ I've tried several different types - it makes no different which order I do them in. This doesn't make sense to me - I can understand why the requests involving a redirect may not handle quite so many concurrent connections, but it's happening the other way round. Can anyone explain? I'd really prefer it if the canonical URL was the one which could handle more traffic. I'll post my Nginx config below. Thanks loads for any help! server { server_name www.somesite.com somesite.net www.somesite.net somesite.co.uk www.somesite.co.uk; rewrite ^(.*) http://somesite.com$1 permanent; } server { root /home/django/domains/somesite.com/live/somesite/; server_name somesite.com somesite-live.myserver.somesite.com; access_log /home/django/domains/somesite.com/live/log/nginx.log; location / { uwsgi_pass unix:////tmp/somesite-live.sock; include uwsgi_params; } location /media { try_files $uri $uri/ /index.html; } location /site_media { try_files $uri $uri/ /index.html; } location = /favicon.ico { empty_gif; } }

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• how to notify a program of another program? dll? directory? path?

  - by Brady Trainor

  I am trying to experiment with GNUS email in Emacs, in Windows (EDIT: x64 bit). I've got it to work in Ubuntu, but struggling with it in Windows. From http://www.gnu.org/software/emacs/manual/html_mono/emacs-gnutls.html#Help-For-Users I read in second paragraph: This is a little bit trickier on the W32 (Windows) platform, but if you have the GnuTLS DLLs (available from http://sourceforge.net/projects/ezwinports/files/ thanks to Eli Zaretskii) in the same directory as Emacs, you should be OK. I have downloaded and unzipped the gnutls-3.0.9-w32-bin package, but am not sure what to do with it. I have tried putting it in Program Files (x86), which is "the same directory as Emacs". I have tried putting it in the emacs-24.3 folder. I consider merging all the folders in between the two, but am hesitant as that seems a difficult troubleshoot attempt compared to my knowledge on these matters. I think Emacs needs to somehow see the gnutls binaries and/or dlls. My knowledge is limited on this. I've also struggled to understand PATHs for sometime now, and am not sure if that approach is relevant here. FYI, the emacs directory contains folders labeled bin, etc, info, leim, lisp and site-lisp. The gnutls directory contains folder labeled bin, include, lib and share. Hmm, now I'm finding lots of links on adding paths. Still, I'm skeptical that I would only add gnutls.exe path, as it seems the dlls are needed. Some additional data for Ramhound's first comment I have been attempting the (require 'gnutls) route. This seems to be the most relevant parts in the log: Opening connection to imap.gmail.com via tls... gnutls.c: [1] (Emacs) GnuTLS library not found Opening TLS connection to `imap.gmail.com'... Opening TLS connection with `gnutls-cli --insecure -p 993 imap.gmail.com'...failed Opening TLS connection with `gnutls-cli --insecure -p 993 imap.gmail.com --protocols ssl3'...failed Opening TLS connection with `openssl s_client -connect imap.gmail.com:993 -no_ssl2 -ign_eof'...failed Opening TLS connection to `imap.gmail.com'...failed I am not sure what "in stallion" means. Emacs seems to have installed itself in program files (x86), so I assume it is 32 bit. I can try and figure out how to double check, but did not realize I would get such fast response time, and am headed out right now. I will try merging the files later tonight?

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