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• wget is working only when used with sudo

  - by Yusuf

  I'm having quite a strange behavior with wget since yesterday. I can download files by using sudo wget, but when I try the same file with only wget, I can get this error: yusufh@ubuntu-yuh:~$ wget http://www.kegel.com/wine/winetricks --2010-12-17 09:34:11-- http://www.kegel.com/wine/winetricks Resolving www.kegel.com... failed: Name or service not known. wget: unable to resolve host address `www.kegel.com' and with sudo wget: yusufh@ubuntu-yuh:~$ sudo wget http://www.kegel.com/wine/winetricks --2010-12-17 09:35:37-- http://www.kegel.com/wine/winetricks Connecting to 127.0.0.1:5865... connected. Proxy request sent, awaiting response... 200 OK Length: 190672 (186K) [text/plain] Saving to: `winetricks' 100%[==================================================================================================>] 190,672 --.-K/s in 0.03s 2010-12-17 09:35:37 (6.92 MB/s) - `winetricks' saved [190672/190672] After the comments below, here is an update: I can use Google Chrome or Firefox perfectly without running it as root. I use ntlmaps to connect to the office proxy. So I need to use 127.0.0.1:5865 as the proxy for clients. Result for env | grep -i proxy: NO_PROXY=localhost,127.0.0.0/8,*.local, http_proxy=127.0.0.1:5865 ftp_proxy=127.0.0.1:5865 all_proxy=socks://127.0.0.1:5865/ ALL_PROXY=socks://127.0.0.1:5865/ https_proxy=127.0.0.1:5865 no_proxy=localhost,127.0.0.0/8,*.local while sudo env | grep -i proxy is empty! HELP!

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• How to configure IIS 7.5 to allow special chars in Url for ASP.NET 3.5?

  - by Sebastian P.R. Gingter

  I'm trying to configure my IIS 7.5 to allow specials chars in the url for ASP.NET. This is important to support wide-spread legacy url's on a new system. Sample url: http://mydomain.com/FileWith%inTheName.html This would be encoded in the url and requested as http://mydomain.com/FileWith25%inTheName.html This simply works, when creating a new web in IIS 7.5, placing a file with the percentage sign in the file name in the web root and pointing the browser to it. This does not work, however, when the web site is an ASP.NET application. ASP.NET always returns a 400.0 - Bad Request error in the WindowsAuthentication module from the StaticFile handler, when pointing to that url. It however displays the requested url correctly and also resolves correctly to the correct physical file (the information from the field 'Physical Path' from the Server error page points to the physically available file). There are hints on how to enable this, so I followed the instructions on these websites step by step: http://dirk.net/2008/06/09/ampersand-the-request-url-in-iis7/ http://adorr.net/2010/01/configure-iis-to-accept-url-with-special-characters.html The second one actually sums up the information from the first post and adds some more information about x64 systems (we're running x64) and on an additional web.config change for this. I tried all that, and still can't get this running from an asp.net web application. And yes: I rebooted after applying the registry changes. So, what do I have to do in addition to the settings described in above posts, to support the legacy url's which contain percentage characters? Additional info: Application Pool mode is integrated. Push after some days. No idea anyone?

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• PHP crashing during oAuth scripts

  - by FunkyChicken

  I just installed Nginx 1.2.4 and PHP 5.4.0 (from svn) (php fpm). CentOs 5.8 64 The problem I have is that PHP crashes the moment I run any social oAuth scripts. I have tried to log into Facebook, Twitter and Google with various scripts that I know work on my other servers. When I load the scripts I get a 502 error from Nginx. And I find these errors in the log: in php-fpm log: WARNING: [pool www] child 23821 exited on signal 11 (SIGSEGV) after 1132.862984 seconds from start in nginx log: ERROR: recv() failed (104: Connection reset by peer) while reading response header from upstream From what I can see, it goes wrong when PHP tries to make a request to any of the oAuth servers. https://github.com/mahmudahsan/PHP-SDK-3.0---Graph-API-base-Facebook-Connect-Tutorial-Source for example is one of the scripts that works perfectly on my other machines, but causes PHP to crash. I found: http://stackoverflow.com/questions/3616191/nginx-php-fpm-502-bad-gateway which seems to be a similar problem, but I cannot find a way to solve it. +++ UPDATE +++ Now I have been doing some debugging in 1 of the scripts that is playing up. If you go to line 808 http://pastebin.com/gSnzRtXb it runs the curl_exec() command. When that is ran, it crashes. If i echo'test';exit; just above that line, it echo's correctly, if i do it below that line, php crashes. Which means it's that line 808 which causes the crash. So I made a very simple script to do some testing: http://pastebin.com/Rshnyhcm which also uses curl_exec, but that runs just fine. So I started to dig deeper into that query from the facebook script to see what values the $opts array contains from line 806. Output of that array is: http://pastebin.com/Cq9ffd3R What the problem is, I still have no clue :(

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• FastCGI Error when installing PHP on IIS7.5

  - by ytoledano

  I'm trying to install MediaWiki on a Win2008r2 server, but can't manage to install PHP. Here's what I did: Grabbed a Zip archive of PHP and unzipped it into C:\PHP. Created two subdirs: c:\PHP\sessiondata and c:\PHP\uploadtemp. Granted modify rights to the IUSR account for the subdirs. Copied php.ini-production as php.ini Edited php.ini and made the following changes: fastcgi.impersonate = 1 cgi.fix_pathinfo = 1 cgi.force_redirect = 0 open_basedir = "c:\inetpub\wwwroot;c:\PHP\uploadtemp;C:\PHP\sessiondata" extension = php_mysql.dll extension_dir = "./ext" upload_tmp_dir = C:\PHP\uploadtemp session.save_path = C:\php\sessiondata Install Web server role, selected CGI and HTTP Redirection options. In the Handler Mappings: Added Module Mapping. Entered the following values: Path = *.php, Module = FastCgiModule, Executable = c:\php\php-cgi.exe, Name = PHP via FastCGI. Created a test page into wwwroot directory: phpinfo.php and set the contents like this: < ?php phpinfo(); ? Browsed to http://localhost/phpinfo.php But then I get: HTTP Error 500.0 - Internal Server Error An unknown FastCGI error occured Detailed Error Information Module: FastCgiModule Notification: ExecuteRequestHandler Handler: PHP via FastCGI Error Code: 0x800736b1 Requested URL: http://localhost:80/phpinfo.php Physical Path: C:\inetpub\wwwroot\phpinfo.php Logon Method: Anonymous Logon User: Anonymous Does anyone know what I'm doing wrong here? Thanks.

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• configs for several sites in apache with ssl

  - by elCapitano

  i need to secure two different sites in apache. One of them should only be a proxy for a different server which is running on port 8069. Now one (which is natively included in apache) runs with SSL: <VirtualHost *:443> ServerName 192.168.1.20 SSLEngine on SSLCertificateFile /etc/ssl/erp/oeserver.crt SSLCertificateKeyFile /etc/ssl/erp/oeserver.key DocumentRoot /var/www/cloud ServerPath /cloud/ #CustomLog /var/www/logs/ssl-access_log combined #ErrorLog /var/www/logs/ssl-error_log </VirtualHost> The other one is not running and even not registered. When i try to access it, i get an exception (ssl_error_rx_record_too_long): <VirtualHost *:443> ServerName 192.168.1.20 ServerPath /erp/ SSLEngine on SSLCertificateFile /etc/ssl/erp/oeserver.crt SSLCertificateKeyFile /etc/ssl/erp/oeserver.key ProxyRequests Off ProxyPreserveHost On <Proxy *> Order deny,allow Allow from all </Proxy> ProxyVia On ProxyPass / http://127.0.0.1:8069/ ProxyPassReverse / http://127.0.0.1:8069 RewriteEngine on RewriteRule ^/(.*) http://127.0.0.1:8069/$1 [P] RequestHeader set "X-Forwarded-Proto" "https" SetEnv proxy-nokeepalive 1 </VirtualHost> My whish is the following configuration: 192.168.1.20 ->> unsecured local path to website 192.168.1.20/cloud/ ->> secured local documentpath from cloud 192.168.1.20/erp/ ->> secured proxy on port 80 for http://192.168.1.20:8069 how is this possible? is this even possible? perhaps cloud.192.168.1.20 and erp.192.168.1.20 is better?! Thank you

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• IIS 7 rewriting subdomain to point at a specific port.

  - by Tommy Jakobsen

  Having installed Team Foundation Server 2010 on Windows Server 2008, I need an easy URL for our developers to access their repositories. The default URL for the TFS repositories is http://localhost:8080/tfs Now I want the subdomain domain tfs.server.domain.com to point at http://localhost:8080/tfs. And when you write access tfs.server.domain.com/repos_name it should redirect to http://localhost:8080/tfs/repos_name. How can I do this in IIS 7? I already tried using the following rule, but it does not work. I get a 404. <rewrite> <globalRules> <rule name="TFS" stopProcessing="true"> <match url="^(?:tfs/)(.*)" /> <conditions> <add input="{HTTP_HOST}" pattern="^tfs.server.domain.com$" /> </conditions> <action type="Rewrite" url="http://localhost:8080/tfs/{R:1}" /> </rule> </globalRules> </rewrite>

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• apache using mod_auth_kerb always asks for the password twice

  - by DrStalker

  (Debian Squeeze) I'm trying to set apache up to use Kerberos authentication to allow AD users to log in. It is working, but prompts the user twice for a username and password, with the first time being ignored (no matter what is put it in.) Only the second prompt includes the AuthName string from the config (i.e.: the first windows is a generic username/password one, the second includes the title "Kerberos Login") I'm not worried about integrated windows authentication working at this stage, I just want users to be able to login with their AD account so we don't need to set up a second repository of user accounts. How do I fix this to eliminate that first useless prompt? The directives in the apache2.conf file: <Directory /var/www/kerberos> AuthType Kerberos AuthName "Kerberos Login" KrbMethodNegotiate On KrbMethodK5Passwd On KrbAuthRealms ONEVUE.COM.AU.LOCAL Krb5KeyTab /etc/krb5.keytab KrbServiceName HTTP/[email protected] require valid-user </Directory> krb5.conf: [libdefaults] default_realm = ONEVUE.COM.AU.LOCAL [realms] ONEVUE.COM.AU.LOCAL = { kdc = SYD01PWDC01.ONEVUE.COM.AU.LOCAL master_kdc = SYD01PWDC01.ONEVUE.COM.AU.LOCAL admin_server = SYD01PWDC01.ONEVUE.COM.AU.LOCAL default_domain = ONEVUE.COM.AU.LOCAL } [login] krb4_convert = true krb4_get_tickets = false The access log when accessing the secured directory (note the two seperate 401's) 192.168.10.115 - - [24/Aug/2012:15:52:01 +1000] "GET /kerberos/ HTTP/1.1" 401 710 "-" "Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.1 (KHTML, like Gecko) Chrome/21.0.1180.83 Safari/537.1" 192.168.10.115 - - [24/Aug/2012:15:52:06 +1000] "GET /kerberos/ HTTP/1.1" 401 680 "-" "Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.1 (KHTML, like Gecko) Chrome/21.0.1180.83 Safari/537.1" 192.168.10.115 - [email protected] [24/Aug/2012:15:52:10 +1000] "GET /kerberos/ HTTP/1.1" 200 375 "-" "Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.1 (KHTML, like Gecko) Chrome/21.0.1180.83 Safari/537.1" And one line in error.log [Fri Aug 24 15:52:06 2012] [error] [client 192.168.0.115] gss_accept_sec_context(2) failed: An unsupported mechanism was requested (, Unknown error)

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• Nginx + PHP-FPM Timeouts, almost zero load consumption?

  - by javipas

  I've got a server running on a Linode with Ubuntu 10.04 LTS, Nginx 0.7.65, MySQL 5.1.41 and PHP 5.3.2 with PHP-FPM. There is a WordPress blog on it, updated to WordPress 3.2.1 recently. I have made no changes to the server (except updating WordPress) and while it was running fine, a couple of days ago I started having downtimes. I tried to solve the problem, and checking the error_log I saw many timeouts and messages that seemed to be related to timeouts. The server is currently logging this kind of errors: 2011/07/14 10:37:35 [warn] 2539#0: *104 an upstream response is buffered to a temporary file /var/lib/nginx/fastcgi/2/00/0000000002 while reading upstream, client: 217.12.16.51, server: www.mydomain.com, request: "GET /page/2/ HTTP/1.0", upstream: "fastcgi://127.0.0.1:9000", host: "www.mydomain.com", referrer: "http://www.mydomain.com/" 2011/07/14 10:40:24 [error] 2539#0: *231 upstream timed out (110: Connection timed out) while reading response header from upstream, client: 46.24.245.181, server: www.mydomain.com, request: "GET / HTTP/1.1", upstream: "fastcgi://127.0.0.1:9000", host: "www.mydomain.com", referrer: "http://www.google.es/search?sourceid=chrome&ie=UTF-8&q=mydomain" and even saw this previous serverfault discussion with a possible solution: to edit /etc/php/etc/php-fpm.conf and change request_terminate_timeout=30s instead of ;request_terminate_timeout= 0 The server worked for some hours, and then broke again. I edited the file again to leave it as it was, and restarted again php-fpm (service php-fpm restart) but no luck: the server worked for a few minutes and back to the problem over and over. The strange thing is, although the services are running, htop shows there is no CPU load (see image) and I really don't know how to solve the problem. The config files are on pastebin The php-fpm.conf file is here The /etc/nginx/nginx.conf is here The /etc/nginx/sites-available/www.mydomain.com is here Please help :(

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• Unattended Kickstart Install

  - by Eric

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

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• Use Apache authentication + authorization to control access to Subversion subdirectories

  - by Stefan Lasiewski

  I have a single SVN repo at /var/svn/ with a few subdirectories. Staff must be able to access the top-level directory and all subdirectories within it, but I want to restrict access to subdirectories using alternate htpasswd files. This works for our Staff. <Location /> DAV svn SVNParentPath /var/svn AuthType Basic AuthBasicProvider ldap # mod_authnz_ldap AuthzLDAPAuthoritative off AuthLDAPURL "ldap.example.org:636/ou=people,ou=Unit,ou=Host,o=ldapsvc,dc=example,dc=org?uid?sub?(objectClass=PosixAccount)" AuthLDAPGroupAttribute memberUid AuthLDAPGroupAttributeIsDN off Require ldap-group cn=staff,ou=PosixGroup,ou=Unit,ou=Host,o=ldapsvc,dc=example,dc=org </Location> Now, I am trying to restrict access to a subdirectory with a separate htpasswd file, like this: <Location /customerA> DAV svn SVNParentPath /var/svn # mod_authn_file AuthType Basic AuthBasicProvider file AuthUserFile /usr/local/etc/apache22/htpasswd.customerA Require user customerA </Location> I can use Firefox and curl to browse to this folder fine: curl https://svn.example.org/customerA/ --user customerA:password But I cannot use check out this SVN repository: $ svn co https://svn.example.org/customerA/ svn: Repository moved permanently to 'https://svn.example.org/customerA/'; please relocate And on the server logs, I get this strange error: # httpd-access.log 192.168.19.13 - - [03/May/2010:16:40:00 -0700] "OPTIONS /customerA HTTP/1.1" 401 401 192.168.19.13 - customerA [03/May/2010:16:40:00 -0700] "OPTIONS /customerA HTTP/1.1" 301 244 # httpd-error.log [Mon May 03 16:40:00 2010] [error] [client 192.168.19.13] Could not fetch resource information. [301, #0] [Mon May 03 16:40:00 2010] [error] [client 192.168.19.13] Requests for a collection must have a trailing slash on the URI. [301, #0] My question: Can I restrict access to Subversion subdirectories using Apache access controls? DocumentRoot is commented out, so it's not clear that the FAQ at http://subversion.apache.org/faq.html#http-301-error applies.

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• Controlling clone access to multiple mercurial repos served via hgwebdir.cgi

  - by chrislawlor

  I'm trying to host multiple hg repositories to use for my clients. I need to control access to each repository individually - not just push access, but clone as well. I've got an .htaccess set which requires authentication globally: AuthUserFile /path/to/hgweb.passwd AuthGroupFile /dev/null AuthName "Chris Lawlor Client Mercurial Repositories" AuthType Basic <Limit GET POST PUT> Require valid-user </Limit> <FilesMatch "\.(htaccess|passwd|config|bak)$"> Order Allow,Deny Deny from all </FilesMatch> Then in each repository, I've got a .hg/hgrc file requiring a valid user [web] allow_push = <comma seperated user list> This almost does what I need. The problem is that I need to add ALL my clients to hgweb.passwd, which gives them clone access to ALL of the repositories. The only solution I can think of is to have another .htaccess and .passwd file in EACH repository. I don't really want to do that though, seems a little convoluted. I can already specify a list of authorized users for each repository in that repos' hgrc file with the allow_push setting. If only there were an allow_clone setting as well... All the documentation I've found for hgwebdir.cgi is incomplete. I've read: http://mercurial.selenic.com/wiki/HgWebDirStepByStep http://hgbook.red-bean.com/read/collaborating-with-other-people.html#sec:collab:cgi http://hgbook.red-bean.com/read/collaborating-with-other-people.html And others. I've yet to find a comprehensive list of hgrc settings. I guess this is as much an Apache question than a mercurial question. Unless I can find a better approach, I'll be going with a seperate .htaccess and .passwd file for each repo. This is a virtual host on Webfaction if it matters - set up roughly like this http://docs.webfaction.com/software/mercurial.html

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• Enabling JMX for proxool with tomcat

  - by dialt0ne

  I am trying to get proxool's MBeans available so that I can see/manipulate them with jconsole. I have jconsole working, but I don't see anything related to proxool. The system is using Sun Java 1.5.0_17 (I know, I know... I'm working with the developers to upgrade). JMX is enabled by modifying $JAVA_OPTS in my tomcat 5.5 startup script: SJO="$SJO -Dcom.sun.management.jmxremote" SJO="$SJO -Dcom.sun.management.jmxremote.port=4998" SJO="$SJO -Dcom.sun.management.jmxremote.authenticate=false" SJO="$SJO -Dcom.sun.management.jmxremote.ssl=false" JAVA_OPTS="$JAVA_OPTS $SJO" I have proxool configured with JNDI in server.xml: <GlobalNamingResources> <Resource name="jdbc/database" auth="Container" type="javax.sql.DataSource" factory="org.logicalcobwebs.proxool.ProxoolDataSource" user="username" password="password" proxool.driver-url="jdbc:oracle:thin:@fqdn.example.com:1521:MYSID" proxool.driver-class="oracle.jdbc.driver.OracleDriver" proxool.alias="mysid" proxool.maximum-connection-count="20" proxool.statistics="20s,5m,15m" proxool.statistics-log-level="INFO" proxool.jmx="true" proxool.verbose="true" /> </GlobalNamingResources> My test .jsp can run queries and I can see it using the connections with the proxool admin servlet, but I'm unsure if there's more I need to configure in tomcat or proxool to get JMX functioning. Advice? jmxproxy info edit: The jmxproxy servlet is working - when I go to the URL http://tomcatserver.example.com:4999/manager/jmxproxy/?qry=*:type%3DRequestProcessor,* the results are: OK - Number of results: 2 Name: Catalina:type=RequestProcessor,worker=http-8080,name=HttpRequest0 modelerType: org.apache.coyote.RequestInfo bytesSent: 0 requestBytesSent: 0 contentLength: -1 bytesReceived: 0 requestProcessingTime: 1297983483666 globalProcessor: org.apache.coyote.RequestGroupInfo@32dc51c8 requestBytesReceived: 0 serverPort: -1 stage: 0 requestCount: 0 maxTime: 0 processingTime: 0 errorCount: 0 Name: Catalina:type=RequestProcessor,worker=jk-127.0.0.1-8009,name=JkRequest794 modelerType: org.apache.coyote.RequestInfo virtualHost: tomcatserver.example.com bytesSent: 0 method: GET remoteAddr: 172.30.3.51 requestBytesSent: 0 contentLength: -1 workerThreadName: TP-Processor15 bytesReceived: 0 requestProcessingTime: 9 globalProcessor: org.apache.coyote.RequestGroupInfo@1e7d3b8e protocol: HTTP/1.1 currentQueryString: qry=*%3Atype%3DRequestProcessor%2C* requestBytesReceived: 0 serverPort: 4999 stage: 3 requestCount: 0 maxTime: 0 processingTime: 0 currentUri: /manager/jmxproxy/ errorCount: 0 And more to the point http://tomcatserver.example.com:4999/manager/jmxproxy/?qry=Catalina:type%3DEnvironment,resourcetype%3DGlobal,name%3DProxool yields: OK - Number of results: 0

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• mysqld crashes on any statement

  - by ??iu

  I restarted my slave to change configuration settings to skip reverse hostname lookup on connecting and to enable the slow query log. I edited /etc/my.cnf making only these changes, then restarted mysqld with /etc/init.d/mysql restart All appeared to be well but when I connect to msyqld remotely or locally though it connects okay a slight problem is that mysqld crashes whenever you try to issue any kind of statement. The client looks like: Reading table information for completion of table and column names You can turn off this feature to get a quicker startup with -A Welcome to the MySQL monitor. Commands end with ; or \g. Your MySQL connection id is 3 Server version: 5.1.31-1ubuntu2-log Type 'help;' or '\h' for help. Type '\c' to clear the buffer. mysql> show tables; ERROR 2006 (HY000): MySQL server has gone away No connection. Trying to reconnect... Connection id: 1 Current database: mydb ERROR 2006 (HY000): MySQL server has gone away No connection. Trying to reconnect... ERROR 2003 (HY000): Can't connect to MySQL server on 'xx.xx.xx.xx' (61) ERROR: Can't connect to the server ERROR 2006 (HY000): MySQL server has gone away No connection. Trying to reconnect... ERROR 2003 (HY000): Can't connect to MySQL server on 'xx.xx.xx.xx' (61) ERROR: Can't connect to the server ERROR 2006 (HY000): MySQL server has gone away Bus error The mysqld error log looks like: 101210 16:35:51 InnoDB: Error: (1500) Couldn't read the MAX(job_id) autoinc value from the index (PRIMARY). 101210 16:35:51 InnoDB: Assertion failure in thread 140245598570832 in file handler/ha_innodb.cc line 2595 InnoDB: Failing assertion: error == DB_SUCCESS InnoDB: We intentionally generate a memory trap. InnoDB: Submit a detailed bug report to http://bugs.mysql.com. InnoDB: If you get repeated assertion failures or crashes, even InnoDB: immediately after the mysqld startup, there may be InnoDB: corruption in the InnoDB tablespace. Please refer to InnoDB: http://dev.mysql.com/doc/refman/5.1/en/forcing-recovery.html InnoDB: about forcing recovery. 101210 16:35:51 - mysqld got signal 6 ; This could be because you hit a bug. It is also possible that this binary or one of the libraries it was linked against is corrupt, improperly built, or misconfigured. This error can also be caused by malfunctioning hardware. We will try our best to scrape up some info that will hopefully help diagnose the problem, but since we have already crashed, something is definitely wrong and this may fail. key_buffer_size=16777216 read_buffer_size=131072 max_used_connections=3 max_threads=600 threads_connected=3 It is possible that mysqld could use up to key_buffer_size + (read_buffer_size + sort_buffer_size)*max_threads = 1328077 K bytes of memory Hope that's ok; if not, decrease some variables in the equation. thd: 0x18209220 Attempting backtrace. You can use the following information to find out where mysqld died. If you see no messages after this, something went terribly wrong... stack_bottom = 0x7f8d791580d0 thread_stack 0x20000 /usr/sbin/mysqld(my_print_stacktrace+0x29) [0x8b4f89] /usr/sbin/mysqld(handle_segfault+0x383) [0x5f8f03] /lib/libpthread.so.0 [0x7f902a76a080] /lib/libc.so.6(gsignal+0x35) [0x7f90291f8fb5] /lib/libc.so.6(abort+0x183) [0x7f90291fabc3] /usr/sbin/mysqld(ha_innobase::open(char const*, int, unsigned int)+0x41b) [0x781f4b] /usr/sbin/mysqld(handler::ha_open(st_table*, char const*, int, int)+0x3f) [0x6db00f] /usr/sbin/mysqld(open_table_from_share(THD*, st_table_share*, char const*, unsigned int, unsigned int, unsigned int, st_table*, bool)+0x57a) [0x64760a] /usr/sbin/mysqld [0x63f281] /usr/sbin/mysqld(open_table(THD*, TABLE_LIST*, st_mem_root*, bool*, unsigned int)+0x626) [0x641e16] /usr/sbin/mysqld(open_tables(THD*, TABLE_LIST**, unsigned int*, unsigned int)+0x5db) [0x6429cb] /usr/sbin/mysqld(open_normal_and_derived_tables(THD*, TABLE_LIST*, unsigned int)+0x1e) [0x642b0e] /usr/sbin/mysqld(mysqld_list_fields(THD*, TABLE_LIST*, char const*)+0x22) [0x70b292] /usr/sbin/mysqld(dispatch_command(enum_server_command, THD*, char*, unsigned int)+0x146d) [0x60dc1d] /usr/sbin/mysqld(do_command(THD*)+0xe8) [0x60dda8] /usr/sbin/mysqld(handle_one_connection+0x226) [0x601426] /lib/libpthread.so.0 [0x7f902a7623ba] /lib/libc.so.6(clone+0x6d) [0x7f90292abfcd] Trying to get some variables. Some pointers may be invalid and cause the dump to abort... thd->query at 0x18213c70 = thd->thread_id=3 thd->killed=NOT_KILLED The manual page at http://dev.mysql.com/doc/mysql/en/crashing.html contains information that should help you find out what is causing the crash. 101210 16:35:51 mysqld_safe Number of processes running now: 0 101210 16:35:51 mysqld_safe mysqld restarted InnoDB: The log sequence number in ibdata files does not match InnoDB: the log sequence number in the ib_logfiles! 101210 16:35:54 InnoDB: Database was not shut down normally! InnoDB: Starting crash recovery. InnoDB: Reading tablespace information from the .ibd files... InnoDB: Restoring possible half-written data pages from the doublewrite InnoDB: buffer... 101210 16:35:56 InnoDB: Started; log sequence number 456 143528628 101210 16:35:56 [Warning] 'user' entry 'root@PSDB102' ignored in --skip-name-resolve mode. 101210 16:35:56 [Warning] Neither --relay-log nor --relay-log-index were used; so replication may break when this MySQL server acts as a slave and has his hostname changed!! Please use '--relay-log=mysqld-relay-bin' to avoid this problem. 101210 16:35:56 [Note] Event Scheduler: Loaded 0 events 101210 16:35:56 [Note] /usr/sbin/mysqld: ready for connections. Version: '5.1.31-1ubuntu2-log' socket: '/var/run/mysqld/mysqld.sock' port: 3306 (Ubuntu) 101210 16:36:11 InnoDB: Error: (1500) Couldn't read the MAX(job_id) autoinc value from the index (PRIMARY). 101210 16:36:11 InnoDB: Assertion failure in thread 139955151501648 in file handler/ha_innodb.cc line 2595 InnoDB: Failing assertion: error == DB_SUCCESS InnoDB: We intentionally generate a memory trap. InnoDB: Submit a detailed bug report to http://bugs.mysql.com. InnoDB: If you get repeated assertion failures or crashes, even InnoDB: immediately after the mysqld startup, there may be InnoDB: corruption in the InnoDB tablespace. Please refer to InnoDB: http://dev.mysql.com/doc/refman/5.1/en/forcing-recovery.html InnoDB: about forcing recovery. 101210 16:36:11 - mysqld got signal 6 ; This could be because you hit a bug. It is also possible that this binary or one of the libraries it was linked against is corrupt, improperly built, or misconfigured. This error can also be caused by malfunctioning hardware. We will try our best to scrape up some info that will hopefully help diagnose the problem, but since we have already crashed, something is definitely wrong and this may fail. key_buffer_size=16777216 read_buffer_size=131072 max_used_connections=1 max_threads=600 threads_connected=1 It is possible that mysqld could use up to key_buffer_size + (read_buffer_size + sort_buffer_size)*max_threads = 1328077 K bytes of memory Hope that's ok; if not, decrease some variables in the equation. thd: 0x18588720 Attempting backtrace. You can use the following information to find out where mysqld died. If you see no messages after this, something went terribly wrong... stack_bottom = 0x7f49d916f0d0 thread_stack 0x20000 /usr/sbin/mysqld(my_print_stacktrace+0x29) [0x8b4f89] /usr/sbin/mysqld(handle_segfault+0x383) [0x5f8f03] /lib/libpthread.so.0 [0x7f4c8a73f080] /lib/libc.so.6(gsignal+0x35) [0x7f4c891cdfb5] /lib/libc.so.6(abort+0x183) [0x7f4c891cfbc3] /usr/sbin/mysqld(ha_innobase::open(char const*, int, unsigned int)+0x41b) [0x781f4b] /usr/sbin/mysqld(handler::ha_open(st_table*, char const*, int, int)+0x3f) [0x6db00f] /usr/sbin/mysqld(open_table_from_share(THD*, st_table_share*, char const*, unsigned int, unsigned int, unsigned int, st_table*, bool)+0x57a) [0x64760a] /usr/sbin/mysqld [0x63f281] /usr/sbin/mysqld(open_table(THD*, TABLE_LIST*, st_mem_root*, bool*, unsigned int)+0x626) [0x641e16] /usr/sbin/mysqld(open_tables(THD*, TABLE_LIST**, unsigned int*, unsigned int)+0x5db) [0x6429cb] /usr/sbin/mysqld(open_normal_and_derived_tables(THD*, TABLE_LIST*, unsigned int)+0x1e) [0x642b0e] /usr/sbin/mysqld(mysqld_list_fields(THD*, TABLE_LIST*, char const*)+0x22) [0x70b292] /usr/sbin/mysqld(dispatch_command(enum_server_command, THD*, char*, unsigned int)+0x146d) [0x60dc1d] /usr/sbin/mysqld(do_command(THD*)+0xe8) [0x60dda8] /usr/sbin/mysqld(handle_one_connection+0x226) [0x601426] /lib/libpthread.so.0 [0x7f4c8a7373ba] /lib/libc.so.6(clone+0x6d) [0x7f4c89280fcd] Trying to get some variables. Some pointers may be invalid and cause the dump to abort... thd->query at 0x18599950 = thd->thread_id=1 thd->killed=NOT_KILLED The manual page at http://dev.mysql.com/doc/mysql/en/crashing.html contains information that should help you find out what is causing the crash. 101210 16:36:11 mysqld_safe Number of processes running now: 0 101210 16:36:11 mysqld_safe mysqld restarted The config is [mysqld_safe] socket = /var/run/mysqld/mysqld.sock nice = 0 [mysqld] innodb_file_per_table innodb_buffer_pool_size=10G innodb_log_buffer_size=4M innodb_flush_log_at_trx_commit=2 innodb_thread_concurrency=8 skip-slave-start server-id=3 # # * IMPORTANT # If you make changes to these settings and your system uses apparmor, you may # also need to also adjust /etc/apparmor.d/usr.sbin.mysqld. # user = mysql pid-file = /var/run/mysqld/mysqld.pid socket = /var/run/mysqld/mysqld.sock port = 3306 basedir = /usr datadir = /DB2/mysql tmpdir = /tmp skip-external-locking # # Instead of skip-networking the default is now to listen only on # localhost which is more compatible and is not less secure. #bind-address = 127.0.0.1 # # * Fine Tuning # key_buffer = 16M max_allowed_packet = 16M thread_stack = 128K thread_cache_size = 8 # This replaces the startup script and checks MyISAM tables if needed # the first time they are touched myisam-recover = BACKUP max_connections = 600 #table_cache = 64 #thread_concurrency = 10 # # * Query Cache Configuration # query_cache_limit = 1M query_cache_size = 32M # skip-federated slow-query-log skip-name-resolve Update: I followed the instructions as per http://dev.mysql.com/doc/refman/5.1/en/forcing-innodb-recovery.html and set innodb_force_recovery = 4 and the logs are showing a different error but the behavior is still the same: 101210 19:14:15 mysqld_safe mysqld restarted 101210 19:14:19 InnoDB: Started; log sequence number 456 143528628 InnoDB: !!! innodb_force_recovery is set to 4 !!! 101210 19:14:19 [Warning] 'user' entry 'root@PSDB102' ignored in --skip-name-resolve mode. 101210 19:14:19 [Warning] Neither --relay-log nor --relay-log-index were used; so replication may break when this MySQL server acts as a slave and has his hostname changed!! Please use '--relay-log=mysqld-relay-bin' to avoid this problem. 101210 19:14:19 [Note] Event Scheduler: Loaded 0 events 101210 19:14:19 [Note] /usr/sbin/mysqld: ready for connections. Version: '5.1.31-1ubuntu2-log' socket: '/var/run/mysqld/mysqld.sock' port: 3306 (Ubuntu) 101210 19:14:32 InnoDB: error: space object of table mydb/__twitter_friend, InnoDB: space id 1602 did not exist in memory. Retrying an open. 101210 19:14:32 InnoDB: error: space object of table mydb/access_request, InnoDB: space id 1318 did not exist in memory. Retrying an open. 101210 19:14:32 InnoDB: error: space object of table mydb/activity, InnoDB: space id 1595 did not exist in memory. Retrying an open. 101210 19:14:32 - mysqld got signal 11 ; This could be because you hit a bug. It is also possible that this binary or one of the libraries it was linked against is corrupt, improperly built, or misconfigured. This error can also be caused by malfunctioning hardware. We will try our best to scrape up some info that will hopefully help diagnose the problem, but since we have already crashed, something is definitely wrong and this may fail. key_buffer_size=16777216 read_buffer_size=131072 max_used_connections=1 max_threads=600 threads_connected=1 It is possible that mysqld could use up to key_buffer_size + (read_buffer_size + sort_buffer_size)*max_threads = 1328077 K bytes of memory Hope that's ok; if not, decrease some variables in the equation. thd: 0x1753c070 Attempting backtrace. You can use the following information to find out where mysqld died. If you see no messages after this, something went terribly wrong... stack_bottom = 0x7f7a0b5800d0 thread_stack 0x20000 /usr/sbin/mysqld(my_print_stacktrace+0x29) [0x8b4f89] /usr/sbin/mysqld(handle_segfault+0x383) [0x5f8f03] /lib/libpthread.so.0 [0x7f7cbc350080] /usr/sbin/mysqld(ha_innobase::innobase_get_index(unsigned int)+0x46) [0x77c516] /usr/sbin/mysqld(ha_innobase::innobase_initialize_autoinc()+0x40) [0x77c640] /usr/sbin/mysqld(ha_innobase::open(char const*, int, unsigned int)+0x3f3) [0x781f23] /usr/sbin/mysqld(handler::ha_open(st_table*, char const*, int, int)+0x3f) [0x6db00f] /usr/sbin/mysqld(open_table_from_share(THD*, st_table_share*, char const*, unsigned int, unsigned int, unsigned int, st_table*, bool)+0x57a) [0x64760a] /usr/sbin/mysqld [0x63f281] /usr/sbin/mysqld(open_table(THD*, TABLE_LIST*, st_mem_root*, bool*, unsigned int)+0x626) [0x641e16] /usr/sbin/mysqld(open_tables(THD*, TABLE_LIST**, unsigned int*, unsigned int)+0x5db) [0x6429cb] /usr/sbin/mysqld(open_normal_and_derived_tables(THD*, TABLE_LIST*, unsigned int)+0x1e) [0x642b0e] /usr/sbin/mysqld(mysqld_list_fields(THD*, TABLE_LIST*, char const*)+0x22) [0x70b292] /usr/sbin/mysqld(dispatch_command(enum_server_command, THD*, char*, unsigned int)+0x146d) [0x60dc1d] /usr/sbin/mysqld(do_command(THD*)+0xe8) [0x60dda8] /usr/sbin/mysqld(handle_one_connection+0x226) [0x601426] /lib/libpthread.so.0 [0x7f7cbc3483ba] /lib/libc.so.6(clone+0x6d) [0x7f7cbae91fcd] Trying to get some variables. Some pointers may be invalid and cause the dump to abort... thd->query at 0x1754d690 = thd->thread_id=1 thd->killed=NOT_KILLED The manual page at http://dev.mysql.com/doc/mysql/en/crashing.html contains information that should help you find out what is causing the crash.

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• fail2ban regex working but no action being taken

  - by fpghost

  I have the following snippet of fail2ban configuration on Ubuntu 13.10 server: #jail.conf [apache-getphp] enabled = true port = http,https filter = apache-getphp action = iptables-multiport[name=apache-getphp, port="http,https", protocol=tcp] mail-whois[name=apache-getphp, dest=root] logpath = /srv/apache/log/access.log maxretry = 1 #filter.d/apache-getphp.conf [Definition] failregex = ^<HOST> - - (?:\[[^]]*\] )+\"(GET|POST) /(?i)(PMA|phptest|phpmyadmin|myadmin|mysql|mysqladmin|sqladmin|mypma|admin|xampp|mysqldb|mydb|db|pmadb|phpmyadmin1|phpmyadmin2|cgi-bin) ignoreregex = I know the regex is good, because if I run the test command on my access.log: fail2ban-regex /srv/apache/log/access.log /etc/fail2ban/filter.d/apache-getphp.conf I get a SUCCESS result with multiple hits, and in my log I see entries like 187.192.89.147 - - [13/Apr/2014:11:36:03 +0100] "GET /phpTest/zologize/axa.php HTTP/1.1" 301 585 "-" "-" 187.192.89.147 - - [13/Apr/2014:11:36:03 +0100] "GET /phpMyAdmin/scripts/setup.php HTTP/1.1" 301 593 "-" "-" Secondly I know email is configured correctly, as each time I service fail2ban restart I get an email for each of the filters stopping/starting. However despite all this no action seems to be taken when one of these requests comes in. No email with whois, and no entries in iptables. What possibly could be preventing fail2ban from taking action? (everything looks in order in fail2ban-client -d and I can see the chains have loaded with iptables -L)

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• Free, simple, configurable SOCKS5 server

  - by Pooria Azimi

  I've been looking (for the past 6-7 hours) for a fast, free and configurable SOCKS5 server. I haven't found anything that matches my needs. They are either too complicated, too bare-bones or simply buggy as hell. This is (all) I need: I want it to run on Linux (and also OS X, preferably) I want it to listen on localhost:8888 When my app (say wget.. or curl --socks5=localhost:8888) requests http://www.google.com/search?q=asd (or any other url - both http and https), I want it to fetch the page not from google's servers, but from http://localhost:4444/cached?uri=http://www.google.com/search%3Fq%3Dasd. Nothing more! I don't need caching, or anything else. I just want a SOCKS5 server, running locally, which redirects all queries to my own (local) server. It could be written in C, C++, Python, PHP, Perl, Node.js or any other language. I don't care, as long as it supports my (very limited) needs, or I can easily change the source to make it so. Thanks a lot

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• SharePoint web services not protected?

  - by Philipp Schmid

  Using WSS 3.0, we have noticed that while users can be restricted to access only certain sub-sites of a site collection through permission settings, the same doesn't seem to be true for web services, such as /_vti_bin/Lists.asmx! Here's our experimental setup: http://formal/test : 'test' site collection - site1 : first site in test site collection, user1 is member - site2 : second site in test site collection, user2 is member With this setup, using a web browser user2 can: - access http://formal/test/site2/Default.aspx - cannot access http://formal/test/site1/Default.aspx That's what is expected. To our surprise however, using the code below, user2 can retrieve the names of the lists in site1, something he should not have access to! Is that by (unfortunate) design, or is there a configuration setting we've missed that would prevent user2 from retrieving the names of lists in site1? Is this going to be different in SharePoint 2010? Here's the web service code used in the experiment: class Program { static readonly string _url ="http://formal/sites/research/site2/_vti_bin/Lists.asmx"; static readonly string _user = "user2"; static readonly string _password = "password"; static readonly string _domain = "DOMAIN"; static void Main(string[] args) { try { ListsSoapClient service = GetServiceClient(_url, _user, _password, _domain); var result = service.GetListCollection(); Console.WriteLine(result.Value); } catch (Exception ex) { Console.WriteLine(ex.ToString()); } } private static ListsSoapClient GetServiceClient(string url, string userName, string password, string domain) { BasicHttpBinding binding = new BasicHttpBinding(BasicHttpSecurityMode.TransportCredentialOnly); binding.Security.Transport.ClientCredentialType = HttpClientCredentialType.Ntlm; ListsSoapClient service = new ListsSoapClient(binding, new System.ServiceModel.EndpointAddress(url)); service.ClientCredentials.UserName.Password = password; service.ClientCredentials.UserName.UserName = (!string.IsNullOrEmpty(domain)) ? domain + "\\" + userName : userName; return service; } }

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• Apache2 VirtualHosts 403 Oddity

  - by Carson C.

  I'm sure this is something I should already understand, but I'm finding myself confused. The configs in play add up to this: NameVirtualHost *:80 Listen 80 <VirtualHost *:80> <Directory /> Options FollowSymLinks AllowOverride None Order deny,allow Deny from all </Directory> </VirtualHost> <VirtualHost *:80> ServerAdmin [email protected] ServerName domain.tld ServerAlias *.domain.tld DocumentRoot /var/www/domain.tld <Directory /var/www/domain.tld> Options -Indexes FollowSymLinks MultiViews AllowOverride None Order allow,deny Allow from all </Directory> ErrorLog ${APACHE_LOG_DIR}/error.log LogLevel warn CustomLog ${APACHE_LOG_DIR}/access.log combined </VirtualHost> DNS is working correctly. The issue is, every variant of http://*.domain.tld/ (including http://domain.tld/) works correctly, except http://www.domain.tld/ which throws a 403. The logs state: client denied by server configuration: /etc/apache2/htdocs If I remove the first VirtualHost block from play, everything works as expected including http://www.domain.tld. This leads me to believe that for some reason, Apache is not considering www.domain.tld to match the second VirtualHost block, and is thereby falling back to deny all. This seems wrong. Shouldn't the second block match www.domain.tld? I've been able to resolve this, but I still don't understand why. In my original configs, I was using the real ip address of the server instead of *. Switching all instances to * as shown above made everything work as expected. Does this have something to do with the way browsers request resources?

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• CLOSE_WAIT sockets burst - perhaps because of iptables settings?

  - by Fabrizio Giudici

  I have an Ubuntu 12.04 server virtual box where basically the installed software and configuration are the default ones, plus the installation of a jetty 6 server which servers a few websites. To keep things simple I didn't install apache httpd and used iptables for exposing jetty (which runs on the 8080 port) to the port 80. These are the results of /sbin/iptables -t nat -L Chain PREROUTING (policy ACCEPT) target prot opt source destination REDIRECT tcp -- anywhere localhost tcp dpt:http redir ports 8080 REDIRECT tcp -- anywhere Ubuntu-1104-natty-64-minimal tcp dpt:http redir ports 8080 Chain INPUT (policy ACCEPT) target prot opt source destination Chain OUTPUT (policy ACCEPT) target prot opt source destination REDIRECT tcp -- anywhere localhost tcp dpt:http redir ports 8080 REDIRECT tcp -- anywhere Ubuntu-1104-natty-64-minimal tcp dpt:http redir ports 8080 Chain POSTROUTING (policy ACCEPT) target prot opt source destination I must confess I have a shallow comprehension of how iptables works, in particular for the different kind of chains. This thing works, but sometimes I have an explosion of sockets that stay permanently in CLOSE_WAIT state. I know about what this state means, but since I didn't write the code that manages servlets (they are handled by jetty) I can't fix the problem by patching my code. Eventually the amount of CLOSE_WAIT sockets builds up and makes the server not responsive, so I have to restart jetty. I've looked around for similar problems wth CLOSE_WAIT, and only found cases related to the programmer's code, or problems with Tomcat, not Jetty. I was wondering whether they could be related to a partially broken iptables configuration (the alternative is a bug in Jetty 6, but I first want to exclude other possible causes). Thanks.

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• How can I get Haproxy to not log local requests?

  - by coneybeare

  I am trying to clean out some of the log clutter from my machines and am starting by removing requests that are generated from the server themselves. I have cache warmers running around the clock and I don't want these polluting the logs. I was able to get apache to stop logging local requests by adding a dontlog for the local IP: SetEnvIf Remote_Addr "RE\.DA\.CT\.ED" dontlog CustomLog "|logger -p local3.info -t http" combined env=!dontlog and now I am looking for something similar to put in a configuration for the Haproxy log. How can I prevent 127.0.0.1 requests from writing to the Haproxy log? UPDATE: 2/15/11 I use the excellent loggly service to pull out logs in the cloud, but I am seeing tons of logs like this: 2011 Feb 15 06:09:42.000 ip-10-251-194-96 http: RE.DA.CT.ED - - [15/Feb/2011:06:09:42 -0500] "HEAD /search/Nevad/predictive/txt HTTP/1.0" 200 - "-" "Wget/1.10.2 (Red Hat modified)" 2011 Feb 15 06:09:42.000 127.0.0.1 haproxy[10390]: 127.0.0.1:58408 [15/Feb/2011:06:09:42] www i-5dd7a331.0 0/0/0/8/8 200 210 - - --NI 0/0/0 0/0 "HEAD /search/Nevad/predictive/txt HTTP/1.1" and I want them gone. This question focuses on how to remove that haproxy log line from writing to the server side log in the first place.

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• How to turn off Tomcat logging in Eclipse?

  - by kirdie

  I develop a Vaadin project in Eclipse that I start through Tomcat 6 which gets started directly by Eclipse. Tomcat prints an enormous amount of log messages though on each start which makes it hard to see the output of my own Application. I have already replaced all log levels in tomcat6/conf/logging.properties by WARNING (e.g. java.util.logging.ConsoleHandler.level = WARNING) but I still get many INFO messages. How can I turn this off or restrict the log messages to WARNING? An example of the messages Okt 26, 2012 12:16:36 PM org.apache.catalina.core.AprLifecycleListener init INFO: Loaded APR based Apache Tomcat Native library 1.1.24. Okt 26, 2012 12:16:36 PM org.apache.catalina.core.AprLifecycleListener init INFO: APR capabilities: IPv6 [true], sendfile [true], accept filters [false], random [true]. Okt 26, 2012 12:16:36 PM org.apache.tomcat.util.digester.SetPropertiesRule begin WARNING: [SetPropertiesRule]{Server/Service/Engine/Host/Context} Setting property 'source' to 'org.eclipse.jst.j2ee.server:saim' did not find a matching property. Okt 26, 2012 12:16:37 PM org.apache.coyote.http11.Http11AprProtocol init INFO: Initializing Coyote HTTP/1.1 on http-8080 Okt 26, 2012 12:16:37 PM org.apache.coyote.ajp.AjpAprProtocol init INFO: Initializing Coyote AJP/1.3 on ajp-8009 Okt 26, 2012 12:16:37 PM org.apache.catalina.startup.Catalina load INFO: Initialization processed in 879 ms Okt 26, 2012 12:16:37 PM org.apache.catalina.core.StandardService start INFO: Starting service Catalina Okt 26, 2012 12:16:37 PM org.apache.catalina.core.StandardEngine start INFO: Starting Servlet Engine: Apache Tomcat/6.0.32 Okt 26, 2012 12:16:37 PM org.apache.coyote.http11.Http11AprProtocol start INFO: Starting Coyote HTTP/1.1 on http-8080 Okt 26, 2012 12:16:37 PM org.apache.coyote.ajp.AjpAprProtocol start INFO: Starting Coyote AJP/1.3 on ajp-8009 Okt 26, 2012 12:16:37 PM org.apache.catalina.startup.Catalina start INFO: Server startup in 568 ms

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• Use subpath internal proxy for subdomains, but redirect external clients if they ask for that subpath?

  - by HostileFork

  I have a VirtualHost that I'd like to have several subdomains on. (For the sake of clarity, let's say my domain is example.com and I'm just trying to get started by making foo.example.com work, and build from there.) The simplest way I found for a subdomain to work non-invasively with the framework I have was to proxy to a sub-path via mod_rewrite. Thus paths would appear in the client's URL bar as http://foo.example.com/(whatever) while they'd actually be served http://foo.example.com/foo/(whatever) under the hood. I've managed to do that inside my VirtualHost config file like this: ServerAlias *.example.com RewriteEngine on RewriteCond %{HTTP_HOST} ^foo\.example\.com [NC] # <--- RewriteCond %{REQUEST_URI} !^/foo/.*$ [NC] # AND is implicit with above RewriteRule ^/(.*)$ /foo/$1 [PT] (Note: It was surprisingly hard to find that particular working combination. Specifically, the [PT] seemed to be necessary on the RewriteRule. I could not get it to work with examples I saw elsewhere like [L] or trying just [P]. It would either not show anything or get in loops. Also some browsers seemed to cache the response pages for the bad loops once they got one... a page reload after fixing it wouldn't show it was working! Feedback welcome—in any case—if this part can be done better.) Now I'd like to make what http://foo.example.com/foo/(whatever) provides depend on who asked. If the request came from outside, I'd like the client to be permanently redirected by Apache so they get the URL http://foo.example.com/(whatever) in their browser. If it came internally from the mod_rewrite, I want the request to be handled by the web framework...which is unaware of subdomains. Is something like that possible?

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• Varnish does not start properly (crashes after startup) with no error messages

  - by Matthew Savage

  I am running Varnish (2.0.4 from the Ubuntu unstable apt repository, though I have also used the standard repository) in a test environment (Virtual Machines) on Ubuntu 9.10, soon to be 10.04. When I have a working configuration and the server starts successfully it seems like everything is fine, however if, for whatever reason, I stop and then restart the varnish daemon it doesn't always startup properly, and there are no errors going into syslog or messages to indicate what might be wrong. If I run varnish in debug mode (-d) and issue start when prompted then 7 times out of time it will run, but occasionally it will just shut down 'silently'. My startup command is (the $1 allows for me to pass -d to the script this lives in): varnishd -a :80 $1 \ -T 127.0.0.1:6082 \ -s malloc,1GB \ -f /home/deploy/mysite.vcl \ -u deploy \ -g deploy \ -p obj_workspace=4096 \ -p sess_workspace=262144 \ -p listen_depth=2048 \ -p overflow_max=2000 \ -p ping_interval=2 \ -p log_hashstring=off \ -h classic,5000009 \ -p thread_pool_max=1000 \ -p lru_interval=60 \ -p esi_syntax=0x00000003 \ -p sess_timeout=10 \ -p thread_pools=1 \ -p thread_pool_min=100 \ -p shm_workspace=32768 \ -p thread_pool_add_delay=1 and the VCL looks like this: # nginx/passenger server, HTTP:81 backend default { .host = "127.0.0.1"; .port = "81"; } sub vcl_recv { # Don't cache the /useradmin or /admin path if (req.url ~ "^/(useradmin|admin|session|sessions|login|members|logout|forgot_password)") { pipe; } # If cache is 'regenerating' then allow for old cache to be served set req.grace = 2m; # Forward to cache lookup lookup; } # This should be obvious sub vcl_hit { deliver; } sub vcl_fetch { # See link #16, allow for old cache serving set obj.grace = 2m; if (req.url ~ "\.(png|gif|jpg|swf|css|js)$") { deliver; } remove obj.http.Set-Cookie; remove obj.http.Etag; set obj.http.Cache-Control = "no-cache"; set obj.ttl = 7d; deliver; } Any suggestions would be greatly appreciated, this is driving me absolutely crazy, especially because its such an inconsistent behaviour.

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• Nginx map module 301 redirecting

  - by Reinier Korth

  I've rebuild my website in Ruby on Rails and now I want to 301 redirect a lot of old urls using Nginx's http://wiki.nginx.org/HttpMapModule For some reason I can't get it to work. It works fine without the rewrite ^ $new permanent; line. Does anyone see what I'm missing? This my nginx.conf: server { server_name example.com; return 301 $scheme://www.example.com$request_uri; } # 301 redirect list map $uri $new { /test123 http://www.example.com/test123; /bla http://www.example.com/bladiebla; } server { server_name www.example.com; rewrite ^ $new permanent; root example/public; location ^~ /assets/ { gzip_static on; expires max; add_header Cache-Control public; } try_files $uri/index.html $uri @unicorn; location @unicorn { proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for; proxy_set_header Host $http_host; proxy_redirect off; proxy_pass http://unicorn-<%= application %>; } error_page 500 502 503 504 /500.html; client_max_body_size 4G; keepalive_timeout 10; }

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• Shell wrong encoding

  - by csch

  Somehow I managed to screw up my shell-encoding. An example: root§server:ç£ cat --help Usage: cat ¡OPTION¿... ¡FILE¿... Concatenate FILE(s), or standard input, to standard output. -A, --show-all equivalent to -vET -b, --number-nonblank number nonempty output lines -e equivalent to -vE -E, --show-ends display $ at end of each line -n, --number number all output lines -s, --squeeze-blank suppress repeated empty output lines -t equivalent to -vT -T, --show-tabs display TAB characters as ^I -u (ignored) -v, --show-nonprinting use ^ and M- notation, except for LFD and TAB --help display this help and exit --version output version information and exit With no FILE, or when FILE is -, read standard input. Examples: cat f - g Output f's contents, then standard input, then g's contents. cat Copy standard input to standard output. Report cat bugs to bug-coreutils§gnu.org GNU coreutils home page: <http://www.gnu.org/software/coreutils/> General help using GNU software: <http://www.gnu.org/gethelp/> For complete documentation, run: info coreutils 'cat invocation' root§server:ç£ It should look like: root@server:~# cat --help Usage: cat [OPTION]... [FILE]... Concatenate FILE(s), or standard input, to standard output. -A, --show-all equivalent to -vET -b, --number-nonblank number nonempty output lines -e equivalent to -vE -E, --show-ends display $ at end of each line -n, --number number all output lines -s, --squeeze-blank suppress repeated empty output lines -t equivalent to -vT -T, --show-tabs display TAB characters as ^I -u (ignored) -v, --show-nonprinting use ^ and M- notation, except for LFD and TAB --help display this help and exit --version output version information and exit With no FILE, or when FILE is -, read standard input. Examples: cat f - g Output f's contents, then standard input, then g's contents. cat Copy standard input to standard output. Report cat bugs to [email protected] GNU coreutils home page: <http://www.gnu.org/software/coreutils/> General help using GNU software: <http://www.gnu.org/gethelp/> For complete documentation, run: info coreutils 'cat invocation' root@server:~# I have no clue what went wrong, do you have any ideas?

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• How to change .htaccess file to work right in localhost?

  - by Manolo Salsas

  I have this snippet code in my .htaccess file to prevent users from hotlinking the server's images: RewriteEngine On RewriteCond %{HTTP_REFERER} ^$ [OR] RewriteCond %{HTTP_REFERER} !^http://(www.)?itransformer.es/.*$ [NC] RewriteRule \.(gif|jpe?g|png|wbmp)$ http://itransformer.es [R,L] Of course, it is not working in my localhost, but don't know how to achieve it. My guess is that I should change the domain name with any wildcard. Any idea? Update I've finally found out the answer thanks to @Chris solution: RewriteCond %{HTTP_REFERER} ^$ [OR] RewriteCond %{HTTP_REFERER} ^https?://%{HTTP_HOST}/.*/usuarios/.*$ [NC] RewriteRule \.(gif|jpe?g|png|wbmp)$ http://%{HTTP_HOST} [R=301,L] The /usuarios/ directory is because I only want to deny direct access to files inside this directory. Update2 For some reason, it doesn't work again. Finally I think that I found out a better solution: RewriteCond %{REQUEST_FILENAME} .*/usuarios/.*$ [NC] RewriteRule \.(gif|jpe?g|png|wbmp)$ http://%{HTTP_HOST} [R=301,L] I say better solution because what I want to deny is direct access to a file (image). Update3 Well, after a while I discovered above wasn't exactly what I wanted, so the next is definitive: RewriteCond %{HTTP_REFERER} ^$ [OR] RewriteCond %{HTTP_REFERER} !^https?://itransformer.*$ [NC] RewriteRule /usuarios/.*\.(gif|jpe?g|png|wbmp)$ - [R=404,L] Just two doubts: If I change the above to: RewriteCond %{HTTP_REFERER} ^$ [OR] RewriteCond %{HTTP_REFERER} !^https?://%{HTTP_HOST}.*$ [NC] RewriteRule /usuarios/.*\.(gif|jpe?g|png|wbmp)$ - [R=404,L] it doesn't work. I don't understand why, because %{HTTP_HOST} is equal to itransformer in my localhost, and it should work. The second doubt is why is shown the default 404 page and not my custom page (that is shown in all other 404 responses).

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