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• Low-cost, Flexible Log Aggregation [closed]

  - by Dan McClain

  I'm starting to have quite the collection of Ubuntu VMs that I must manage. I'm starting to investigate Puppet for managing the configuration of all of them, and apticron to let me know what's out of date. But the issue I feel I should deal with sooner than later is log aggregation. I'd like to stay in the free/open source realm for now, seeing that we don't have much budget for something like splunk yet. In addition to syslog, I would like to collect application specific logs (We are running different apps on different machines, from nginx+passenger for rails, to Apache+Tomcat for java, to PHP for expression engine, and mysql/postgresql database server), so that we can analyze the relavent data. For now, I'm just looking to get all the logs one place.

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• Secure PHP environments with PHP-FPM and SFTP

  - by pdd

  I'd like to set up secure environments for a small number of untrusted PHP websites on a Debian server. Right now everything runs on the same Apache2 with mod_php5 and vsftpd for administrative file access, so there is room for improvement. The idea is to use nginx instead of apache, SFTP through OpenSSH instead of vsftpd and chrooted (in sshd_config), individual users for each website with their own pool of PHP processes. All these users and nginx are part of the same group. Now in theory I can set 700 permissions on all PHP scripts and 750 on static files that nginx has to serve up. Theoretically, if a website is compromised all the other users' data is safe, right? Are there better solutions that require less setup time and memory per website? Cheers

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• Issue with CNAME and Virtual Hosts

  - by mrc0der

  I'm using Apache and I have a CNAME DNS record for sub2.sub1.domain1.com that points to sub1.domain1.com And I have an A DNS record for sub1.domain1.com that points to the IP. Then in my httpd.conf file I have: <VirtualHost *:80> ServerName www.domain1.com DocumentRoot /domain1/www </VirtualHost> <VirtualHost *:80> ServerName sub1.domain.com DocumentRoot /domain1/sub1/www </VirtualHost> Yet I appear to be missing something, as when you visit sub2.sub1.domain1.com, it shows you the page for domain1.com. When you visit the sub1.domain1.com, it shows the correct page for sub1.

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• CentOS running inside VMware as WebServer times out on outside connection

  - by Tom Hart

  I have a CentOS machine running inside VMware, and I have got PHP and Apache set up on it, so if I open a browser (on the VM) and go to either localhost, or 192.168.0.3, I get a phpinfo page I made in /var/www/html/index.php, but, if on the host (Windows 7), in my browser I go to 192.168.0.3, it times out. I can ping the IP address from Windows and get a response, I just can't through the browser. Does anyone have any ideas what I need to do to get this working? This is my first time using a VM and I'm getting lost in the network settings.

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• Password protect web directory with htpasswd on Cherokee

  - by wdkrnls

  I have a directory on my Cherokee webserver that I am trying to password protect so that when I try to enter it from a web browser, I get a pop up demanding username and password. Needless to say I am getting stuck. I have created the .htaccess file with: AuthUserFile /srv/http/protected AuthGroupFile /dev/null AuthName "Protected Stuff" AuthType Basic Require valid-user And I used the apache-tools' htpasswd command: htpasswd -c .htpasswd wdkrnls I configured Cherokee with a behavior rule on the /protected directory which requires htpasswd authentication and restarted. I get Error 405 Method Not Allowed whenever I navigate there in a directory. What more do I need to do? Thanks for your help.

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• Php.ini: Local Value vs Master Value (safe_mode, specifically)

  - by Philipp Lenssen

  I can change php.ini values on my Apache and restart to see them in effect via a script showing php_info(). However, one setting is causing problems: safe_mode. I set it to "off" in php.ini but php_info() still shows it as Local value: On Master value: Off How can I find out which local value is overriding the master value? There's no htaccess directive of that kind in the httpdocs folder in question... (I already downloaded all files php_info() claims to be additional .ini files parsed, but safe_mode is not set in them.)

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• What is this in error_log ? Invalid method in request \x16\x03\x01

  - by valter

  Hello. I found this line Invalid method in request \x16\x03\x01 on error_log file , and some other similiar lines like: [Wed Oct 27 23:16:37 2010] [error] [client 187.117.240.164] Invalid URI in request x\xb2\xa1:SMl\xcc{\xfd"\xd1\x91\x84!d\x0e~\xf6:\xfbVu\xdf\xc3\xdb[\xa9\xfe\xd3lpz\x92\xbf\x9f5\xa3\xbbvF\xbc\xee\x1a\xb1\xb0\xf8K\xecE\xbc\xe8r\xacx=\xc7>\xb5\xbd\xa3\xda\xe9\xf09\x95"fd\x1c\x05\x1c\xd5\xf3#:\x91\xe6WE\xdb\xadN;k14;\xdcr\xad\x9e\xa8\xde\x95\xc3\xebw\xa0\xb1N\x8c~\xf1\xcfSY\xd5zX\xd7\x0f\vH\xe4\xb5(\xcf,3\xc98\x19\xefYq@\xd2I\x96\xfb\xc7\xa9\xae._{S\xd1\x9c\xad\x17\xdci\x9b\xca\x93\xafSM\xb8\x99\xd9|\xc2\xd8\xc9\xe7\xe9O\x99\xad\x19\xc3V]\xcc\xddR\xf7$\xaa\xb8\x18\xe0f\xb8\xff Apache did a graceful restart a few seconds after the first error...

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• What ports to open in aws security group for aws?

  - by HarrisonJackson

  I am building the backend for a turn based gamed. My experience is mostly with a lamp stack; I've dabbled in nginx on a node side project. I just read Scaling PHP Applications by Stephen Corona of Twit Pic. He recommends an nginx server over apache. He says that his ubuntu machine has 32768-61000 ports open. On AWS do I need to modify my security to group to allow access to those ports? How do I ensure nginx is taking full advantage of this configuration?

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• ssl between balancer members?

  - by jemminger

  I have apache running on one machine as a load balancer: <VirtualHost *:443> ServerName ssl.example.com DocumentRoot /home/example/public SSLEngine on SSLCertificateFile /etc/pki/tls/certs/example.crt SSLCertificateKeyFile /etc/pki/tls/private/example.key <Proxy balancer://myappcluster> BalancerMember http://app1.example.com:12345 route=app1 BalancerMember http://app2.example.com:12345 route=app2 </Proxy> ProxyPass / balancer://myappcluster/ stickysession=_myapp_session ProxyPassReverse / balancer://myappcluster/ </VirtualHost> Note that the balancer takes requests under SSL port 443, but then communicates to the balancer members on a non-ssl port. Is it possible to have the forwarding to the balancer members be under SSL too? If so, is this the best/recommended way? If so, do I have to have another SSL cert for each balancer member? Does the SSLProxyEngine directive have anything to do with this?

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• Restoring WordPress EC2 instance from snapshot results in 403 Forbidden error

  - by Eric Matthew Turano

  This problem has been perplexing me for weeks now. Here's how the issue goes: Launch Amazon Linux 64-bit instance, successfully install WordPress, and site is active w/ no issues Create snapshot of the instance's root volume Shut down instance Create volume from snapshot, attach to instance, and reboot instance Associate Elastic IP with instance Once that's done and I try logging onto the site, I am redirected to myurl.com/wp-admin/install.php and greeted with this message: Forbidden: You don't have permission to access /wp-admin/install.php on this server. Apache/2.2.25 (Amazon) Server at www.myurl.com Port 80 Port 80 is open on the inbound security group settings, so that's not the issue. Keep in mind all I am doing is merely creating a new volume and attaching it to the same instance, and this issue comes up. What am I doing wrong, and how can I create a complete backup of my instance without this error occuring?

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• Squid not caching

  - by Abhishek Chanda

  I am trying to configure Squid as a caching server. I have a LAN where The webserver (apache) is at 192.168.122.11 squid is at 192.168.122.21 and my client is at 192.168.122.22. The problem is, when I look at Squid's access log, all I see are TCP_MISS messages. It seems Squid is not caching at all. I checked that the cache directory has all proper permissions. What else can go wrong here? Please let me know if I need to post the configuration

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• Handling range in CNAME

  - by Imran

  We have different set of CNAMEs pointing to different subdomains. These subdomains (a.domain.com, b.domain.com) are pointing to different IPs on different machines. # Server A a1.domain.com pointing to a.domain.com a2.domain.com pointing to a.domain.com .. aN.domain.com pointing to a.domain.com # Server B b1.domain.com pointing to b.domain.com b2.domain.com pointing to b.domain.com .. bN.domain.com pointing to b.domain.com Currently, we have to add individual CNAME entries (eg. a1... aN) against a single subdomain (a.dominan.com). We repeat the above process for every new server which is actually another subdomain (e.g. c.domain.com). Is there a way we can specify a range of CNAMEs (e.g. [a1..a25].domain.com point to a.domain.com) instead of adding separate CNAME etnries? Is there any possibility to handle this at DNS or webserver (apache or Nginx) level?

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• Installing and maintaining an email server

  - by Andrew

  I need to move hosting providers for four or five domains and for several reasons I'm considering a Linux VPS rather than staying with my current shared, managed hosting provider. The only thing that's stopping me is email. I have lots of experience running and maintaining Apache, but none with email servers. Based on some research, if I want to keep what I've using now, it looks like I'd be going with Postfix and Dovecot, and probably Exim and SpamAssassin. I have no problem performing regular maintenance and watching for security updates, but I don't want to bite off more than I can chew. For someone new to email services, how hard is it to set up an email server that is externally accessible (via SMTP and POP3, not IMAP), available over SSL/TLS and reasonably reliable for multiple domains? How much of a time commitment is it to maintain one?

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• Setting up Ubuntu Server on Amazon EC2 for hosting multiple domains with wildcard subdomains

  - by Ashish Kumar

  I'm trying to set up multiple domains on my Amazon EC2 micro instance running Ubuntu Server 12.04. I installed Apache correctly and set up virtual hosts but having problems with wildcard subdomains. This is what my httpd.conf file looks like NameVirtualHost *:80 <VirtualHost *:80> UseCanonicalName Off VirtualDocumentRoot /home/username/domains/%0/html/ </VirtualHost> My DNS records (on Amazon Route 53) are: domain.tld A 1.2.3.4 *.domain.tld A 1.2.3.4 If i create a test.domain.tld directory with the html subdirectory, it works fine. But what I want to do is to redirect *.domain.tld to domain.tld in case there is no directory for the sub-domain accessed. I would also like www.domain.tld to redirect to domain.tld. The system should also work if I decide to host another website, example.com, on the server. I tried Googling a lot but without any luck. Suggestions?

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• Building RPM containing passwords

  - by Kuf

  I need to be able to send an RPM to customers that will install the complete server, including Apache and MySQL. The customers will install it on a clean machine. After installation, the server should connect to our main DB, so I though of including the password in the RPM somehow, encrypted if possible. The reason I'm asking this is because I'm pretty sure that it's not wise to save the password in the rpm scripts. I was hoping that someone else had a similar problem and managed to solve that somehow. If anyone knows a way to do that, or have a better idea please share!

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• Folder permissions when using /etc/skel and pam

  - by rothgar

  I have a Red Hat 5.8 server that is bound to active directory and users are authenticated via active directory when they log in via sftp. User home folders are created during login using /etc/pam.d/system-auth. The specific line that creates the home folder is session optional pam_mkhomedir.so skel=/etc/skel/ umask=0066 This correctly gives home folders 711 permissions so no one else can read their directories. The problem is, the pam_mkhomedir.so also modifies permissions on all folders/files inside the /etc/skel folder which I don't want. There is a public_html folder (for apache) which needs to have 755 permissions so users can create web pages. Is there a way for me to either a) stop pam_mkhomedir.so from recursively changing all the file permissions or b) create a script that creates the public_html folder after skel is copied and to set the correct permissions?

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• zero-config CGI enabled web server

  - by halp

  To serve static content of a directory over http, one can simply navigate to that directory and type: python -m SimpleHTTPServer 11111 which will start a http server on port 11111. This hack is nice because it requires zero-config: no stand-alone web server, no config files at all. Is it possible to extend this example, or have an alternate way to achieve this goal, but also have CGI support? The final goal is to have a quick and lazy way of serving a web site from a certain directory. The site has static content (HTML pages, images), but also a CGI script. The CGI script must work properly when accessed via browser. Of course I could setup a virtual host in apache, allow CGI inside it etc. But that's not a zero-config approach.

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• Data transfer to my own computer from a website host by the same computer

  - by gunbuster363

  Hi all, I have a question about using a web site host in my computer, say Computer A, using any web server hosting application e.g : apache. I connect to my website in my very same computer A, and request to download a file of size 1Mb, in otherwords, I am connecting to my own computer and want to download a file in my computer. In addition, my internet access is bound by a proxy server in a way of gateway. The questions are - does the file transfer really exist? Or is it a local file copying between 2 location? Will my data packet go through the proxy, to the internet, and go back to the proxy and return to me? Thanks everyone who are watching this question.

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• Extract cert and private key from JKS keystore to use it in Apache2 httpd

  - by momo

  I tried to find this but no luck. I created a JKS keystore and generated a CSR, then imported the signed cert and intermediate and root CA certs. Used this keystore on Tomcat without problems. Now I want to use the same cert for Apache2 http server on the same machine. I actually want to set up mod_jk to redirect /*.jsp and servlets paths to Tomcat and serve the static content and PHP from Apache2. I tried to convert JKS to PKCS12 with keytool to afterwards handle it with openssl with a command like this: keytool -importkeystore -srckeystore foo.jks \ -destkeystore foo.p12 \ -srcstoretype jks \ -deststoretype pkcs12 The problem is only the cert is exported but not the rest of the chain. I actually used this keystore on Apache and it complained about key and cert don't matching (not sure if it's related to the chain or not). Can anyone point me on the right direction? I am not a server guy and I am kinda lost with all this things :-(

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• Shell Script Launching Child Processes

  - by Matt James

  Disclaimer: I'm totally new to shell scripting, but have quite a bit of experience in other languages like PHP and Obj-C. I'm writing my first daemon script. Here are the goals: I want it to run in the background I want it to be triggered by an init.d script that includes start/stop/restart commands I want each process in a loop to trigger its own subprocess. When the parent process kicked off by the init.d script is killed, I want the subprocesses to die as well. Essentially, I'm looking for the same kind of behavior that appears to be very common among software like apache, spamd, dovecot, etc. But, based on my research, I haven't found a single, simple answer as to how this kind of thing is achieved. Any help is greatly appreciated.

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• Can I set up a 'Deny from x' that overrides other confs for debugging?

  - by Nick T

  I'm currently working on developing/deploying a Django application on Apache and am often fiddling with the debug settings which alter how Django accepts connections, ignoring or using ALLOWED_HOSTS. If DEBUG is False, it uses them, which is handy to keep up some walls around my construction site. However, the useful info it spits out when True is quite nice. I'm currently just using an SSH tunnel and just allowing localhost when DEBUG is False, but how can I keep everyone out without relying on the aforementioned ALLOWED_HOSTS? Editing the httpd.conf file which is in source control is a bit irritating; I've accidentally committed a few botched configs.

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• Running Webapp on Mac in UTC (either changing MacBook timezone or tomcat timezone)

  - by Andy A

  To run my web app, I need to set my timezone to UTC on my MacBook. I can do this temporarily by opening a Konsole and entering sudo ln -sf /usr/share/zoneinfo/UTC /etc/localtime However, my timezone returns to normal when I restart my machine! Any advice? Edit : The response to this question by 'Celada' implies that I can just make my Server UTC. I am using Apache Tomcat 7. Adding to Celada's response, how can I make it UTC? Update - 3rd April : Following Celada's response, I have tried adding SetEnv TZ UTC at the top of startup.sh. This didn't seem to make a difference. After some research, I tried adding export JAVA_OPTS="-Duser.timezone=UTC" to startup.sh, but this too had no effect. Am I adding the correct command to the correct file?

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• Windows Server 2008 - unable to bind any TCP port

  - by Kalphiter

  OS: Win Server 2008 RC2 Windows firewall on (no effect when off) I have suddenly been plagued by an issue in which I cannot find any similar ones with a search. I am running about 20 game servers that bind to a UDP port, then bind to a TCP port 1 above the UDP port. Suddenly, a day ago, new TCP binds stopped functioning. Now, I have confirmed that other applications cannot listen on most ports. For example, I have a java program that I made a copy of, and tried the following ports: 33001, 23789, 89... completely random ports. As far as the applications already that have TCP bindings, such as HTTP and MySQL, only port 8080 was one port I discovered could work, and only for Apache. If applications would leave their default port they could not bind, however they returned to normal when the port was default. I've checked for listening applications through netstat and curports, also checked for any connections on these ports, and they're completely free.

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• How to "FTP jail" with Pure-FTPD?

  - by Nate

  I asked this a little bit ago, but instead of specifying Pure-FTPD I just said Apache. Per the answer to that question, I'm asking again with "Pure-FTPD" in the title this time. I need to allow someone access to my VPS via FTP, but there are a number of directories that the person must not be allowed to view or modify. For example, something like this: private_info_1 public_info_1 private_info_2 public_info_2 In this example, the FTP user would need to be allowed to do stuff in the public directories, but not the private ones. How do I go about doing this with Pure-FTPD? I have cPanel and SSH access.

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• PHP crashing on occasion - APC error?

  - by papanel

  Any thoughts on this? We've had this happen twice recently. Basically, every page throws a fatal error, fixed by an apache restart. Here's what's in the log, repeated over and over. [Tue Apr 13 15:18:12 2010] [error] [client 10.0.0.2] PHP Fatal error: Internal Zend error - Missing class information for in /www/sites/ep/vogoo/items.php on line 31 [Tue Apr 13 15:18:12 2010] [error] [client 10.0.0.2] PHP Fatal error: Internal Zend error - Missing class information for in /www/sites/ep/vogoo/items.php on line 31 [Tue Apr 13 15:18:13 2010] [error] [client 10.0.0.2] PHP Fatal error: Internal Zend error - Missing class information for in /www/sites/ep/vogoo/items.php on line 31 Looking around, this may be an issue with APC? http://pecl.php.net/bugs/bug.php?id=16120&edit=1 (We're running 3.0.19, which shows as latest stable on pecl.) Thoughts? I increased the amount of memory apc uses, but the problem just happened again.

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