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• 502: proxy: pass request body failed

  - by Andrei Serdeliuc

  Sometimes I get the following error (in apache's error.log) when viewing my site over https: (502)Unknown error 502: proxy: pass request body failed to xxx.xxx.xxx.xxx:443 I'm not entirely sure what this is and why it happens, it's also not consistent. The request route is: Browser Proxy server (apache with mod_proxy + mod_ssl) Load balancer (aws) Web server (apache with mod_ssl) The configuration on the proxy server is as follows: <VirtualHost *:443> ProxyRequests Off ProxyVia On ServerName www.xxx.co.uk ServerAlias xxx.co.uk <Directory proxy:*> Order deny,allow Allow from all </Directory> <Proxy *> AddDefaultCharset off Order deny,allow Allow from all </Proxy> ProxyPass / balancer://cluster:443/ lbmethod=byrequests ProxyPassReverse / balancer://cluster:443/ ProxyPreserveHost off SSLProxyEngine On SSLEngine on SSLCipherSuite ALL:!ADH:!EXPORT56:RC4+RSA:+HIGH:+MEDIUM:+LOW:+SSLv2:+EXP:+eNULL SSLCertificateFile /var/www/vhosts/xxx/ssl/www.xxx.co.uk.cert SSLCertificateKeyFile /var/www/vhosts/xxx/ssl/www.xxx.co.uk.key <Proxy balancer://cluster> BalancerMember https://xxx.eu-west-1.elb.amazonaws.com </Proxy> </VirtualHost> Any idea what the issue might be?

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• QNAP NAS 509 (LINUX) - how to unmout busy volume and find physical disk?

  - by Horst Walter

  On my NAS QNAP TS 509 I do have a technical issue. I need to run e2fsck. This works fine for me on md0 (see below), but how can I unmount the busy devices md9 and sda4 in order to do the same. Whenever I try, I fail because the device is busy. [This part is solved, see below] In order to further track down the issue, I'd need to sort out the physical disk to device relationship. How can I find out this, e.g. md0 is a stripped volume on 2 disk (but I need to find out on what physical disk). Remark: As you can easily derive from my questions, I am not a Linux expert, but manage to get along. /dev/ram0 124.0M 94.1M 29.8M 76% / tmpfs 32.0M 80.0k 31.9M 0% /tmp /dev/sda4 310.0M 103.9M 206.1M 34% /mnt/ext /dev/md9 509.5M 39.2M 470.2M 8% /mnt/HDA_ROOT /dev/md0 1.8T 1.4T 444.7G 76% /share/MD0_DATA tmpfs 32.0M 0 32.0M 0% /.eaccelerator.tmp -- Added -- QNAP seems to be based on Busybox. I do not find something like init / telinit / runlevel. At busybox docs it says that I need to run the below. But in /var/service sv is not available. I want to go to single user mode to unmount the devices. # cd /var/service # sv d * # sv u getty* -- Added, thanks A4L -- This QNAP Box runs a special flavor of Linux, so not all SOPs do apply. In my particular case I found a services.sh script, stopping all services. After that the drive could be unmounted. The information passed by A4L is valid and worth reading it, maybe I'll profit from it next time. Links: http://unix.stackexchange.com/questions/19918/umount-device-is-busy and http://unix.stackexchange.com/questions/15024/umount-device-is-busy-why So the unmount issue is solved, still looking for the best option to find the physical to volume mapping.

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• How to HIDE "client denied by server configuration:" error in log

  - by Keith

  I want to block access to my web server by default as a precaution but I keep getting the following errors showing up in my error log. [Wed Jun 27 23:30:54 2012] [error] [client 86.77.20.107] client denied by server configuration: /home/www/default/Edu.jar [Wed Jun 27 23:32:40 2012] [error] [client 86.77.20.107] client denied by server configuration: /home/www/default/REST.jar [Wed Jun 27 23:35:39 2012] [error] [client 86.77.20.107] client denied by server configuration: /home/www/default/Set.jar [Thu Jun 28 01:01:17 2012] [error] [client 58.218.199.227] client denied by server configuration: /home/www/default/proxyheader.php [Thu Jun 28 02:34:57 2012] [error] [client 58.218.199.227] client denied by server configuration: /home/www/default/proxy.php [Thu Jun 28 05:41:33 2012] [error] [client 58.218.199.227] client denied by server configuration: /home/www/default/proxyheader.php [Thu Jun 28 06:55:10 2012] [error] [client 180.76.6.20] client denied by server configuration: /home/www/default/ [Thu Jun 28 07:31:26 2012] [error] [client 86.77.20.107] client denied by server configuration: /home/www/default/Edu.jar [Thu Jun 28 07:32:25 2012] [error] [client 86.77.20.107] client denied by server configuration: /home/www/default/REST.jar [Thu Jun 28 07:36:10 2012] [error] [client 86.77.20.107] client denied by server configuration: /home/www/default/Set.jar I don't really want these errors to show up but whatever I do, I can't get rid of them. Does anyone know how I can achieve this? Here is a copy of my configuration. <VirtualHost *:80> DocumentRoot /home/www/default <Directory /> AllowOverride None Order Deny,Allow Deny from all </Directory> #ErrorLog /var/log/apache2/error.log #LogLevel warn CustomLog /var/log/apache2/access.log combined </VirtualHost>

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• SpamAssassin bayesian score discrepancies

  - by CaptSaltyJack

  This makes my brain hurt. For some reason, SpamAssassin is giving high scores to certain emails, but when I test them on the command line, they get a low score. This one particular email has this in the header: X-Spam-Flag: YES X-Spam-Score: 8.521 X-Spam-Level: ******** X-Spam-Status: Yes, score=8.521 tagged_above=-9999 required=5 tests=[BAYES_99=3.5, BAYES_999=0.2, HTML_MESSAGE=0.001, NO_RECEIVED=-0.001, NO_RELAYS=-0.001, RAZOR2_CF_RANGE_51_100=0.5, RAZOR2_CF_RANGE_E8_51_100=1.886, RAZOR2_CHECK=0.922, URIBL_RHS_DOB=1.514] autolearn=no Yet when I dump the raw email into a file msg and run sudo su amavis -c 'spamassassin -t msg', I get this output: Content analysis details: (3.8 points, 5.0 required) pts rule name description ---- ---------------------- -------------------------------------------------- 1.5 URIBL_RHS_DOB Contains an URI of a new domain (Day Old Bread) [URIs: cliobeads.com] -1.0 ALL_TRUSTED Passed through trusted hosts only via SMTP 0.0 HTML_MESSAGE BODY: HTML included in message -0.0 BAYES_20 BODY: Bayes spam probability is 5 to 20% [score: 0.1855] 1.9 RAZOR2_CF_RANGE_E8_51_100 Razor2 gives engine 8 confidence level above 50% [cf: 100] 0.5 RAZOR2_CF_RANGE_51_100 Razor2 gives confidence level above 50% [cf: 100] 0.9 RAZOR2_CHECK Listed in Razor2 (http://razor.sf.net/) I'm really confused as to why when the email comes in, it gets a completely different score attached to it than when I run spamassassin -t. Is there some other way I should be testing emails? Also, my users have the ability to drag false positives into a folder called "False Positives," and every day a cron job fires off that runs this on every message in every user's folder: sa-learn --dbpath=/var/lib/amavis/.spamassassin --ham /tmp/*-*.eml >/dev/null I ran sudo locate bayes_toks and there's definitely only one bayes DB on the system, in /var/lib/amavis/.spamassassin. I'm clueless, any help would be great and may help restore my sanity!

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• Configure nginx for multiple node.js apps with own domains

  - by udo

  I have a node webapp up and running with my nginx on debian squeeze. Now I want to add another one with an own domain but when I do so, only the first app is served and even if I go to the second domain I simply get redirected to the first webapp. Hope you see what I did wrong here: example1.conf: upstream example1.com { server 127.0.0.1:3000; } server { listen 80; server_name www.example1.com; rewrite ^/(.*) http://example1.com/$1 permanent; } # the nginx server instance server { listen 80; server_name example1.com; access_log /var/log/nginx/example1.com/access.log; # pass the request to the node.js server with the correct headers and much more can be added, see nginx config options location / { proxy_set_header X-Real-IP $remote_addr; proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for; proxy_set_header Host $http_host; proxy_set_header X-NginX-Proxy true; proxy_pass http://example1.com; proxy_redirect off; } } example2.conf: upstream example2.com { server 127.0.0.1:1111; } server { listen 80; server_name www.example2.com; rewrite ^/(.*) http://example2.com/$1 permanent; } # the nginx server instance server { listen 80; server_name example2.com; access_log /var/log/nginx/example2.com/access.log; # pass the request to the node.js server with the correct headers and much more can be added, see nginx config options location / { proxy_set_header X-Real-IP $remote_addr; proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for; proxy_set_header Host $http_host; proxy_set_header X-NginX-Proxy true; proxy_pass http://example2.com; proxy_redirect off; } } curl simply does this: zazzl:Desktop udo$ curl -I http://example2.com/ HTTP/1.1 301 Moved Permanently Server: nginx/1.2.2 Date: Sat, 04 Aug 2012 13:46:30 GMT Content-Type: text/html Content-Length: 184 Connection: keep-alive Location: http://example1.com/ Thanks :)

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• Hostname and SSL (apache) issue on Debian

  - by user105566

  I have been trying to setup SSL virtual host ServerAdmin [email protected] ServerName moclm.tap.pt DocumentRoot /var/www/tapme/ <Directory /> Options FollowSymLinks AllowOverride All Order deny,allow Deny from all Allow from 127.0.0.0/255.0.0.0 ::1/128 </Directory> <Directory /var/www/tapme/> Options -Indexes FollowSymLinks MultiViews AllowOverride All #Order allow,deny #allow from all </Directory> SSLEngine on SSLCertificateFile /etc/ssl/moclm.cer SSLCertificateKeyFile /etc/ssl/moclm.pem </VirtualHost> For some reason, the server automatically redirect to SSL (http:// to https://). The apache is not configured to redirect and application was working fine on port 80 only. I have no knowledge how the internal network works as i am working remotely. The SSL error logs show: [Tue Oct 02 22:40:32 2012] [error] Hostname linemnt01.tap.pt provided via SNI and hostname moclm.tap.pt provided via HTTP are different I thought may be the hostname has some issue and have changed the hostname of the server from "linemnt01.tap.pt" to "moclm.tap.pt" but the issue is still there. I am getting the following error on browser: Bad Request Your browser sent a request that this server could not understand. i have /etc/hosts: 127.0.0.1 localhost.localdomain localhost moclm.tap.pt moclm and openssl returns: openssl verify -CAfile cert-CA.cer moclm.cer moclm.tap.pt.cer: OK I have been trying to troubleshoot the issue but no luck. Need help Thanks

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• .htaccess authorization requiring username/password for every resource

  - by webworm

  I am using Apache2 on Ubuntu and I have having some "weird" user authorization issues. I am using .htaccess to control access to my directories. I have many users and have grouped them into user groups which are defined in a "group" file. I then use .htaccess within each directory to define which users have access to the directory and which do not. Here is an example .htaccess file. AuthUserFile /var/local/.htpasswd AuthGroupFile /var/local/groups AuthName "Username and Password Required" AuthType Basic require group design admin Everything is working with one exception. I added a new user to one of my groups and though they can gain access to the directory they are prompted for a username and password for every resource (i.e. image, CSS). After a while I can just keep selecting "cancel" and I will get a page with just html with no images or CSS. I would think the browser would just cache the username/password. It seems to be working well for other users. Any thoughts?

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• .htaccess authorization requiring username/password for every resource

  - by webworm

  I am using Apache2 on Ubuntu and I have having some "weird" user authorization issues. I am using .htaccess to control access to my directories. I have many users and have grouped them into user groups which are defined in a "group" file. I then use .htaccess within each directory to define which users have access to the directory and which do not. Here is an example .htaccess file. AuthUserFile /var/local/.htpasswd AuthGroupFile /var/local/groups AuthName "Username and Password Required" AuthType Basic require group design admin Everything is working with one exception. I added a new user to one of my groups and though they can gain access to the directory they are prompted for a username and password for every resource (i.e. image, CSS). After a while I can just keep selecting "cancel" and I will get a page with just html with no images or CSS. I would think the browser would just cache the username/password. It seems to be working well for other users. Any thoughts?

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• 554 5.7.1 <mail_addr>: Relay access denied centos postfix

  - by Relicset

  I have problem in send mail from postfix in centos I have following setup mail server postfix for sending mail but I am getting error. As in the link I tried following commands telnet localhost smtp Trying ::1... Connected to localhost. Escape character is '^]'. 220 mydomain.com ESMTP Postfix ehlo localhost 250-mydomain.com 250-PIPELINING 250-SIZE 10240000 250-VRFY 250-ETRN 250-ENHANCEDSTATUSCODES 250-8BITMIME 250 DSN mail from:<domain.com> 250 2.1.0 Ok rcpt to:<[email protected]> 554 5.7.1 <[email protected]>: Relay access denied Edit-1 In terminal this works echo TEST | mail -v -s "Test mail" [email protected] my postconf -n shows belog information alias_database = hash:/etc/aliases alias_maps = hash:/etc/aliases command_directory = /usr/sbin config_directory = /etc/postfix daemon_directory = /usr/libexec/postfix data_directory = /var/lib/postfix debug_peer_level = 2 home_mailbox = Maildir/ html_directory = no inet_interfaces = localhost inet_protocols = all mail_owner = postfix mailq_path = /usr/bin/mailq.postfix manpage_directory = /usr/share/man mydestination = $myhostname, localhost.$mydomain, localhost, $mydomain mydomain = dummy.com myhostname = dummy.com mynetworks = all mynetworks_style = host myorigin = $mydomain newaliases_path = /usr/bin/newaliases.postfix queue_directory = /var/spool/postfix readme_directory = /usr/share/doc/postfix-2.6.6/README_FILES sample_directory = /usr/share/doc/postfix-2.6.6/samples sendmail_path = /usr/sbin/sendmail.postfix setgid_group = postdrop unknown_local_recipient_reject_code = 550 What configuration I have to perform to send mails from my server.

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• NFS headaches with FreeBSD 4.9

  - by Ernie

  Once upon a time, this used to work, and I kept the configuration the same, but... now nothing. I'm just trying to get an NFS server set up on a FreeBSD 4.9 server. The process should be about as complicated as this: Add this entry to /etc/exports: /var/home /var/vpopmail/domains -maproot=root XXX.XX.XX.XXX Execute this: portmap nfsd -u -t -n 4 mountd -r Then this should work, regardless of network and firewall issues: showmount -e localhost But showmount -e localhost fails with the following error: RPC: Port mapper failure showmount: can't do exports rpc And even if I kill off the NFS daemon, and try a rpcinfo -p localhost, I get this error: rpcinfo: can't contact portmapper: rpcinfo: RPC: Unable to receive; errno = Connection reset by peer The portmapper is still running. Why the heck does nothing work as if it isn't? Edit to add: FYI: Sockstat gives me this: $ sockstat |egrep "(nfsd|portmap)" root nfsd 86310 3 udp4 *:2049 *:* root nfsd 86310 4 udp4 *:973 *:* root portmap 45920 0 tcp4 *:111 *:* Then, at a later time (say, 5 minutes) it's as if nfsd isn't acting as a server: $ sockstat |egrep "(nfsd|portmap)" root portmap 45920 0 tcp4 *:111 *:* But the nfs daemon is still running: $ ps ax |grep nfsd 86311 ?? I 0:00.00 nfsd: server (nfsd) 86312 ?? I 0:00.00 nfsd: server (nfsd) 86313 ?? I 0:00.00 nfsd: server (nfsd) 86314 ?? I 0:00.00 nfsd: server (nfsd)

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• OpenVPN: ifup tap0 drops all connections

  - by raspi

  I'm trying to create star shaped "virtual" LAN with OpenVPN which is not connected to physical network. ie. tap0 packets should not go to eth0. Packet should only go through OpenVPN to connected clients. This setup works with my OpenVPN testing machine which runs Virtual Box but not on my actual server which is running on top of Xen. Both servers are running Ubuntu Intrepid. /etc/network/interfaces: iface tap0 inet manual address 10.10.10.1 netmask 255.255.255.0 gateway 10.10.10.1 /etc/openvpn/server.conf mode server tls-server port 1194 proto udp dev tap client-to-client ca /etc/openvpn/easy-rsa/keys/ca.crt cert /etc/openvpn/easy-rsa/keys/servername.crt key /etc/openvpn/easy-rsa/keys/servername.key dh /etc/openvpn/easy-rsa/keys/dh384.pem ifconfig-pool-persist ipp.txt server-bridge 10.10.10.1 255.255.255.0 10.10.10.128 10.10.10.250 push .route 10.10.10.1 255.255.255.0 keepalive 5 60 comp-lzo persist-key persist-tun status /var/log/openvpn-status.log log-append /var/log/openvpn.log verb 3 user nobody group nogroup ifup tap0 on Virtual Box: everything ok, SSH keeps running. But on Xen SSH connection drops and I have to reboot whole machine. What I'm missing?

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• apache name virtual host - two domains and SSL

  - by Tom

  I'm trying to setup Apache(2.2.3) to run two websites with SSL using both different domains and IP addresses. Both websites run fine on port 80 but when I tried to enable SSL for website2 I get a ssl_error_bad_cert_domain error; website2 picks up the SSL cert for website1. Here is my setup in httpd.conf: # Website1 NameVirtualHost 192.168.10.1:80 <VirtualHost 192.168.10.1:80> DocumentRoot /var/www/html ServerName www.website1.org </VirtualHost> NameVirtualHost 192.168.10.1:443 <VirtualHost 192.168.10.1:443> SSLEngine On SSLCertificateFile conf/ssl/website1.cer SSLCertificateKeyFile conf/ssl/website1.key </VirtualHost> # Website2 NameVirtualHost 192.168.10.2:80 <VirtualHost 192.168.10.2:80> DocumentRoot /var/www/html/chart ServerName www.website2.org </VirtualHost> NameVirtualHost 192.168.10.2:443 <VirtualHost 192.168.10.2:443> SSLEngine On SSLCertificateFile conf/ssl/website2.cer SSLCertificateKeyFile conf/ssl/website2.key </VirtualHost> Update: In answer to Shane (this wouldn't fit in comment box) here is the output from apachectl -S: VirtualHost configuration: 192.168.10.2:80 is a NameVirtualHost default server www.website2.org (/etc/httpd/conf/httpd.conf:1033) port 80 namevhost www.website2.org (/etc/httpd/conf/httpd.conf:1033) 192.168.10.2:443 is a NameVirtualHost default server bogus_host_without_reverse_dns (/etc/httpd/conf/httpd.conf:1040) port 443 namevhost bogus_host_without_reverse_dns (/etc/httpd/conf/httpd.conf:1040) 192.168.10.1:80 is a NameVirtualHost default server www.website1.org (/etc/httpd/conf/httpd.conf:1017) port 80 namevhost www.website1.org (/etc/httpd/conf/httpd.conf:1017) 192.168.10.1:443 is a NameVirtualHost default server bogus_host_without_reverse_dns (/etc/httpd/conf/httpd.conf:1024) port 443 namevhost bogus_host_without_reverse_dns (/etc/httpd/conf/httpd.conf:1024) wildcard NameVirtualHosts and _default_ servers: _default_:443 192.168.10.1 (/etc/httpd/conf.d/ssl.conf:81) Syntax OK

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• Nginx proxy domain to another domain with no change URL

  - by Evgeniy

  My question is in the subj. I have a one domain, that's nginx's config of it: server { listen 80; server_name connect3.domain.ru www.connect3.domain.ru; access_log /var/log/nginx/connect3.domain.ru.access.log; error_log /var/log/nginx/connect3.domain.ru.error.log; root /home/httpd/vhosts/html; index index.html index.htm index.php; location ~* \.(avi|bin|bmp|css|dmg|doc|docx|dpkg|exe|flv|gif|htm|html|ico|ics|img|jpeg|jpg|js|m2a|m2v|mov|mp3|mp4|mpeg|mpg|msi|pdf|pkg|png|pps|ppt|pptx|ps|rar|rss|rtf|swf|tif|tiff|txt|wmv|xhtml|xls|xml|zip)$ { root /home/httpd/vhosts/html; access_log off; expires 1d; } location ~ /\.(git|ht|svn) { deny all; } location / { #rewrite ^ http://connect2.domain.ru/; proxy_pass http://127.0.0.1:8080/; proxy_redirect off; proxy_hide_header "Cache-Control"; add_header Cache-Control "no-store, no-cache, must-revalidate, post-check=0, pre-check=0"; proxy_hide_header "Pragma"; add_header Pragma "no-cache"; expires -1; add_header Last-Modified $sent_http_Expires; proxy_set_header Host $host; proxy_set_header X-Real-IP $remote_addr; proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for; } } I need to proxy connect3.domain.ru host to connect2.domain.ru, but with no URL changed in browser's address bars. My commented out rewrite line could solve this problem, but it's just a rewrite, so I cannot stay with the same URL. I know that this question is easy, but please help. Thank you.

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• OpenVPN connected but not internet access on the client

  - by Stefan

  I've setup OpenVPN following this tutorial, and everything works fine except that I don't have an internet connection on the client while connected to VPN. http://www.howtoforge.com/internet-and-lan-over-vpn-using-openvpn-linux-server-windows-linux-clients-works-for-gaming-and-through-firewalls My VPS server config is as follows (Ubuntu): dev tun proto udp port 1194 ca /etc/openvpn/easy-rsa/keys/ca.crt cert /etc/openvpn/easy-rsa/keys/server.crt key /etc/openvpn/easy-rsa/keys/server.key dh /etc/openvpn/easy-rsa/keys/dh1024.pem user nobody group nogroup server 10.8.0.0 255.255.255.0 persist-key persist-tun status /var/log/openvpn-status.log verb 3 client-to-client push "redirect-gateway local def1" #set the dns servers push "dhcp-option DNS 8.8.8.8" push "dhcp-option DNS 8.8.4.4" log-append /var/log/openvpn comp-lzo plugin /usr/lib/openvpn/openvpn-auth-pam.so common-auth My client config is as follows (Windows 7): dev tun client proto udp remote XXX.XXX.XXX.XXX 1194 resolv-retry infinite nobind persist-key persist-tun ca ca.crt cert stefan.crt key stefan.key comp-lzo verb 3 auth-user-pass redirect-gateway local def1 I've turned off the firewall on the server for testing purposes (it doesn't help), and tried both wired and wireless connecting on the client. I've tried many Google results... but nothing seems to help. Can you help me? Thanks so far...

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• Recover mysql database - mysqldump gives "table <tablename> doesn't exist (1146)"

  - by Matthew

  Backstory Ubuntu died (wouldn't boot) and I couldn't fix it. I booted a live cd to recover the important stuff and saved it to my NAS. One of the things I backed up was /var/lib/mysql. Reinstalled with Linux Mint because I was on Ubuntu 10.0.4 this was a good opportunity to try a new distro (and I don't like Unity). Now I want to recover my old mediawiki, so I shut down mysql daemon, cp -R /media/NAS/Backup/mysql/mediawiki@002d1_19_1 /var/lib/mysql/, set file ownership and permissions correctly, and start mysql back up. Problem Now I'm trying to export the database so I can restore the database, but when I execute the mysqldump I get an error: $ mysqldump -u mediawikiuser -p mediawiki-1_19_1 -c | gzip -9 > wiki.2012-11-15.sql.gz Enter password: mysqldump: Got error: 1146: Table 'mediawiki-1_19_1.archive' doesn't exist when using LOCK TABLES Things I've tried I tried using --skip-lock-tables but I get this: Error: Couldn't read status information for table archive () mysqldump: Couldn't execute 'show create table `archive`': Table 'mediawiki-1_19_1.archive' doesn't exist (1146) I tried logging in to mysql and I can list the tables that should be there, but trying to describe or select from them errors out the same way as the dump: mysql> show tables; +----------------------------+ | Tables_in_mediawiki-1_19_1 | +----------------------------+ | archive | | category | | categorylinks | ... | user_properties | | valid_tag | | watchlist | +----------------------------+ 49 rows in set (0.00 sec) mysql> describe archive; ERROR 1146 (42S02): Table 'mediawiki-1_19_1.archive' doesn't exist I believe mediawiki was installed using innodb and binary data. Am I screwed or is there a way to recover this?

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• How to install port versions of perl modules for perl5.14 in freebsd 9.0

  - by jm666

  Trying to use perl5.14 on Freebsd with port based p5-modules. uname -impr 9.0-RELEASE amd64 amd64 ALTQ delete all installed ports, start with a clean system # pkg_delete -a # rm -rf /var/db/pkg /var/db/ports /usr/local installing portmaster, checking /etc/make.conf (here is only WITHOUT_X11=YES). Now installing perl. # portmaster -g --force-config lang/perl5.14 # perl -v This is perl 5, version 14, subversion 2 (v5.14.2) built for amd64-freebsd-multi Now perl modules from the ports, # portmaster -g devel/p5-Moose #install Moose and its deps check with pkg_info and got zilion errors like: # pkg_info pkg_info: corrupted record (pkgdep line without argument), ignoring dpendecy check with portmaster - showing dependecies on perl5.12 #portmaster --check-depends Checking p5-Class-C3-0.24 ===>>> lang/perl5.12 is listed as a dependency ===>>> but there is no installed version ===>>> Delete this dependency data? y/n [n] when tried # perl-after-upgrade -f got: Fixed 0 packages (0 files moved, 0 files modified) In short: i got installed Moose into /usr/local/lib/perl5/site_perl/5.14.2/ but all its dependencies into /usr/local/lib/perl5/site_perl/5.12.4/ Yes, it is possible fix this with: # portmaster p5- what reinstall all installed p5-packages once again, now correctly for the 5.14 but it is terrible installing them twice... Questions: What is the correct way install p5-MODULES from ports with installed perl5.14 in an clean system? How to fix wrong dependency data on perl5.12 without the need install and reinstall them again What i'm doing wrong? Ps: know perlbrew and/or Local::lib - but for this case - want port versions.

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• tftpd-hpa service must be restarted before working after fresh boot

  - by Steve

  I'm running Ubuntu 12.04 inside a VirtualBox VM. I've installed tftpd-hpa so I can boot an embedded Linux device via tftp. My problem is that after a fresh boot of the VM, tftpd doesn't seem to work until I restart the service, after which is works great until the system is rebooted. The transcript below should explain the situation. EDIT: After the fresh boot, I execute netstat -a | grep tftp and find nothing. After restarting the service, the same command returns udp 0 0 *:tftp *:* (whitespace removed). I think this might be the key to the problem, I'm just not sure how to resolve it. I don't think it's related to this specific issue, but I had another problem with tftpd that was asked and answered in this question. steve@steve-VirtualBox:~$ cat /etc/default/tftpd-hpa # /etc/default/tftpd-hpa TFTP_USERNAME="tftp" TFTP_DIRECTORY="/var/lib/tftpboot" TFTP_ADDRESS="0.0.0.0:69" TFTP_OPTIONS="--secure" steve@steve-VirtualBox:~$ ls -l /var/lib/tftpboot total 8204 -rw-r--r-- 1 root root 34352 May 28 08:22 am335x-boneblack.dtb -rw-r--r-- 1 root root 33206 May 28 08:22 am335x-bone.dtb -rw-r--r-- 1 root root 41564 May 28 08:22 am335x-evm.dtb -rw-r--r-- 1 root root 38048 May 28 08:22 am335x-evmsk.dtb -rwxr-xr-x 1 root root 4117904 May 20 09:39 zImage -rw-r--r-- 1 root root 4117616 May 28 08:22 zImage-am335x-evm.bin steve@steve-VirtualBox:~$ tftp localhost tftp> get zImage Transfer timed out. tftp> quit steve@steve-VirtualBox:~$ sudo service tftpd-hpa restart [sudo] password for steve: tftpd-hpa stop/waiting tftpd-hpa start/running, process 2106 steve@steve-VirtualBox:~$ tftp localhost tftp> get zImage Received 4143798 bytes in 1.4 seconds tftp> quit steve@steve-VirtualBox:~$

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• How do I run a stable Windows XP kvm guest on Ubuntu 10.04?

  - by Jean-Paul Calderone

  I have three Windows XP guests running on a recently upgraded 64-bit Ubuntu 10.04 system. Occasionally (on the order of once every few days), one of the guests will become non-responsive and the kvm process on the host which is running that guest will start consuming 100% CPU. It will continue to do so until it is killed. When restarted, it will be fine for a while, and then the issue repeats. The kvm command line used to run all three guests is this: /usr/bin/kvm -S -M pc-0.12 -enable-kvm -m 1024 -smp 1 -name bigdog21vmxp1 \ -uuid ea47ff84-125b-16f7-9a4d-a6d0d8bab46a \ -chardev socket,id=monitor,path=/var/lib/libvirt/qemu/bigdog21vmxp1.monitor,server,nowait \ -monitor chardev:monitor \ -localtime \ -boot c \ -drive file=/var/lib/libvirt/images/windowsxp-1.qcow2,if=ide,index=0,boot=on,format=qcow2 \ -net nic,macaddr=54:52:00:02:06:0e,vlan=0,name=nic.0 \ -net tap,fd=58,vlan=0,name=tap.0 \ -chardev pty,id=serial0 \ -serial chardev:serial0 \ -parallel none \ -usb \ -usbdevice tablet \ -vnc 127.0.0.1:1 \ -k en-us \ -vga cirrus \ -soundhw es1370 Why do the systems misbehave this way sometimes? And what configuration can I change in order to fix it? Or, if the problem is due to a bug in kvm, what is the process for isolating a kvm failure so that the developers have a chance of fixing it?

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• domain2.com redirects to domain1.com in Apache

  - by Dmitry Mikhaylov

  I created new virtual host, but when I try to request it, Apache redirects me to another virtual host. What could cause this problem? <VirtualHost XXX.XXX.XXX.XXX:80 > ServerName domain1.com AddDefaultCharset utf-8 CustomLog /var/www/httpd-logs/domain1.com.access.log combined DocumentRoot /home/user/www/domain1.com ErrorLog /var/www/httpd-logs/domain1.com.error.log ServerAdmin [email protected] ServerAlias www.domain1.com SuexecUserGroup user user AddType application/x-httpd-php .php .php3 .php4 .php5 .phtml AddType application/x-httpd-php-source .phps php_admin_value open_basedir "/home/user:." php_admin_value sendmail_path "/usr/sbin/sendmail -t -i -f [email protected]" php_admin_value upload_tmp_dir "/home/user/mod-tmp" php_admin_value session.save_path "/home/user/mod-tmp" ScriptAlias /cgi-bin/ /home/user/www/domain1.com/cgi-bin/ </VirtualHost> <VirtualHost XXX.XXX.XXX.XXX:80 > ServerName domain2.com CustomLog /dev/null combined DocumentRoot /home/user/www/domain2.com ErrorLog /dev/null ServerAdmin [email protected] ServerAlias www.domain2.com SuexecUserGroup user user AddType application/x-httpd-php .php .php3 .php4 .php5 .phtml AddType application/x-httpd-php-source .phps php_admin_value open_basedir "/home/user:." php_admin_value sendmail_path "/usr/sbin/sendmail -t -i -f [email protected]" php_admin_value upload_tmp_dir "/home/user/mod-tmp" php_admin_value session.save_path "/home/user/mod-tmp" </VirtualHost> "apache2ctl -S" output: VirtualHost configuration: XXX.XXX.XXX.XXX:80 is a NameVirtualHost default server domain1.com (/etc/apache2/apache2.conf:266) port 80 namevhost domain1.com (/etc/apache2/apache2.conf:266) port 80 namevhost domain2.com (/etc/apache2/apache2.conf:284) XXX.XXX.XXX.XXX:443 is a NameVirtualHost default server domain1.com (/etc/apache2/apache2.conf:246) port 443 namevhost domain1.com (/etc/apache2/apache2.conf:246) wildcard NameVirtualHosts and _default_ servers: *:443 is a NameVirtualHost default server www.example.com (/etc/apache2/apache2.conf:239) port 443 namevhost www.example.com (/etc/apache2/apache2.conf:239) *:80 is a NameVirtualHost default server domain1.com (/etc/apache2/sites-enabled/000-default:1) port 80 namevhost domain1.com (/etc/apache2/sites-enabled/000-default:1)

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• Server extremely lags and logs bunch of 'internal dummy connection'

  - by Dmitry

  Having a web-server (don't know actually whoset it up, it's my heritage). Few hours ago it started working very (extremely!) slow, mysqld oftenly fails requests. /var/log/mysqld.log is empty (well, it says, mysqld started, and so on, but nothing regarding today) /var/log/apache2/access_log is full of such lines: ::1 - - [30/Nov/2011:10:15:05 +0100] "GET / HTTP/1.0" 200 1 "-" "Apache/2.2.3 (Linux/SUSE) (internal dummy connection)" ::1 - - [30/Nov/2011:10:15:05 +0100] "GET / HTTP/1.0" 200 1 "-" "Apache/2.2.3 (Linux/SUSE) (internal dummy connection)" ::1 - - [30/Nov/2011:10:15:05 +0100] "GET / HTTP/1.0" 200 1 "-" "Apache/2.2.3 (Linux/SUSE) (internal dummy connection)" ::1 - - [30/Nov/2011:10:15:05 +0100] "GET / HTTP/1.0" 200 1 "-" "Apache/2.2.3 (Linux/SUSE) (internal dummy connection)" ::1 - - [30/Nov/2011:10:15:05 +0100] "GET / HTTP/1.0" 200 1 "-" "Apache/2.2.3 (Linux/SUSE) (internal dummy connection)" ::1 - - [30/Nov/2011:10:15:05 +0100] "GET / HTTP/1.0" 200 1 "-" "Apache/2.2.3 (Linux/SUSE) (internal dummy connection)" ::1 - - [30/Nov/2011:10:15:05 +0100] "GET / HTTP/1.0" 200 1 "-" "Apache/2.2.3 (Linux/SUSE) (internal dummy connection)" ::1 - - [30/Nov/2011:10:15:05 +0100] "GET / HTTP/1.0" 200 1 "-" "Apache/2.2.3 (Linux/SUSE) (internal dummy connection)" ::1 - - [30/Nov/2011:10:15:05 +0100] "GET / HTTP/1.0" 200 1 "-" "Apache/2.2.3 (Linux/SUSE) (internal dummy connection)" ::1 - - [30/Nov/2011:10:15:05 +0100] "GET / HTTP/1.0" 200 1 "-" "Apache/2.2.3 (Linux/SUSE) (internal dummy connection)" ::1 - - [30/Nov/2011:10:15:05 +0100] "GET / HTTP/1.0" 200 1 "-" "Apache/2.2.3 (Linux/SUSE) (internal dummy connection)" ::1 - - [30/Nov/2011:10:15:05 +0100] "GET / HTTP/1.0" 200 1 "-" "Apache/2.2.3 (Linux/SUSE) (internal dummy connection)" ::1 - - [30/Nov/2011:10:15:05 +0100] "GET / HTTP/1.0" 200 1 "-" "Apache/2.2.3 (Linux/SUSE) (internal dummy connection)" Guys, what's that? How to heal this? I read internal dummy connections happen sometimes, but sending internal requests at 1000/sec frequency isn't freaking normal!How to find out the reason of this?

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• Apache server configuration name resolution (virtual host naming + security)

  - by Homunculus Reticulli

  I have just setup a minimal (hopefully secure? - comments welcome) apache website using the following configuration file: <VirtualHost *:80> ServerName foobar.com ServerAlias www.foobar.com ServerAdmin [email protected] DocumentRoot /path/to/websites/foobar/web DirectoryIndex index.php # CustomLog with format nickname LogFormat "%h %l %u %t \"%r\" %>s %b" common CustomLog "|/usr/bin/cronolog /var/log/apache2/%Y%m.foobar.access.log" common LogLevel notice ErrorLog "|/usr/bin/cronolog /var/log/apache2/%Y%m.foobar.errors.log" <Directory /> AllowOverride None Order Deny,Allow Deny from all </Directory> <Directory /path/to/websites/> Options -Indexes FollowSymLinks MultiViews AllowOverride None Order allow,deny allow from all </Directory> </VirtualHost> I am able to access the website by using www.foobar.com, however when I type foobar.com, I get the error 'Server not found' - why is this? My second question concerns the security implications of the directive: <Directory /path/to/websites/> Options -Indexes FollowSymLinks MultiViews AllowOverride None Order allow,deny allow from all </Directory> in the configuration above. What exactly is it doing, and is it necessary?. From my (admitedly limited) understanding of Apache configuration files, this means that anyone will be able to access (write to?) the /path/to/websites/ folder. Is my understanding correct? - and if yes, how is this not a security risk?

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• OpenVPN bad source address from client

  - by Bogdan

  I have one problem with OpenVPN. There are a lot drops records in the openvpn log file on the server: Mon Oct 22 10:14:41 2012 us=726541 laptop/???:1194 MULTI: bad source address from client [192.168.1.107], packet dropped grep -E "^[a-z]" server.conf ----- port 1194 proto udp dev tun ca data/ca.crt cert data/server.crt key data/server.key dh data/dh1024.pem tls-server tls-auth data/ta.key 0 remote-cert-tls client cipher AES-256-CBC tun-mtu 1200 server 10.10.10.0 255.255.255.0 ifconfig-pool-persist ipp.txt push "redirect-gateway def1 bypass-dhcp" push "dhcp-option DNS 8.8.8.8" client-to-client client-config-dir /etc/openvpn/ccd route 10.10.10.0 255.255.255.0 keepalive 10 120 comp-lzo persist-key persist-tun max-clients 5 status /var/log/status-openvpn.log log /var/log/openvpn.log verb 4 auth-user-pass-verify /etc/openvpn/verify.sh via-file tmp-dir /tmp script-security 2 ----- cat ccd/laptop ----- iroute 10.10.10.0 255.255.255.0 ----- cat client.conf ----- remote server ip 1194 client dev tun ping 10 comp-lzo proto udp tls-client tls-auth data/ta.key 1 pkcs12 data/vpn.laptop.p12 remote-cert-tls server #ns-cert-type server persist-key persist-tun cipher AES-256-CBC verb 3 pull auth-user-pass /home/user/.openvpn/users.db ----- According to "Jan Just Keijser - OpenVPN 2 Cookbook" root of the problem is incorrect config options.see the screenshot But, as you see, my config has such options. Could you please help me to solve this problem. @week Verb leverl=6; client log. Mon Oct 22 16:06:02 2012 do_ifconfig, tt->ipv6=0, tt->did_ifconfig_ipv6_setup=0 Mon Oct 22 16:06:02 2012 /sbin/ifconfig tun0 10.10.10.3 pointopoint 10.10.10.5 mtu 1500 Mon Oct 22 16:06:02 2012 /sbin/route add -net xxxx netmask 255.255.255.255 gw 192.168.1.1 Mon Oct 22 16:06:02 2012 /sbin/route add -net 0.0.0.0 netmask 128.0.0.0 gw 10.10.10.5 Mon Oct 22 16:06:02 2012 /sbin/route add -net 128.0.0.0 netmask 128.0.0.0 gw 10.10.10.5 Mon Oct 22 16:06:02 2012 Initialization Sequence Completed cat ccd/latop iroute 10.10.10.0 255.255.255.0 ifconfig-push 10.10.10.3 10.10.10.5

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• Failed loading ioncube

  - by time

  I recently upgraded a small server to Ubuntu 12.10 (from 12.04), thus upgrading PHP from 5.3 to 5.4. However, I'm getting this in root's mailbox several times a day: Subject: Cron <root@xxxxxxx> [ -x /usr/lib/php5/maxlifetime ] && [ -d /var/lib/php5 ] && find /var/lib/php5/ -depth -mindepth 1 -maxdepth 1 -type f -ignore_readdir_race -cmin +$(/usr/lib/php5/maxlifetime) ! -execdir fuser -s {} 2>/dev/null \; -delete Content-Type: text/plain; charset=ANSI_X3.4-1968 X-Cron-Env: <SHELL=/bin/sh> X-Cron-Env: <HOME=/root> X-Cron-Env: <PATH=/usr/bin:/bin> X-Cron-Env: <LOGNAME=root> Message-Id: xxxxxxxxxxxxxxxxxxxxxxxx Date: Sun, 9 Dec 2012 05:09:02 -0500 (EST) Failed loading /usr/lib/php5/20090626+lfs/ioncube_loader_lin_5.3.so: /usr/lib/php5/20090626+lfs/ioncube_loader_lin_5.3.so: undefined symbol: php_body_write I assume that's coming up because it's for PHP 5.3. How can I just get rid of ioncube? I have no need for it, I don't even remember installing it. That .so file doesn't exist, and I've grep'd several locations for "ioncube" and I can't seem to figure how to stop that message from flooding the mailbox.

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• when i try to access website without www. i get access denied.

  - by madphp

  I have an apache web server on a debian machine. Im using virtualmin to administer virtual hosts. I have two sites on this server right now, when i try to access one site without the www in the URL i get an access denied. The other site is fine. The site with the problem is a cakephp app and has the following .htaccess file in the public_html folder. <IfModule mod_rewrite.c> RewriteEngine on RewriteRule ^$ app/webroot/ [L] RewriteRule (.*) app/webroot/$1 [L] </IfModule> Below is the directives for the problem domain. SuexecUserGroup "#1001" "#1001" ServerName mydomain.net ServerAlias www.mydomain.net ServerAlias webmail.mydomain.net ServerAlias admin.mydomain.net DocumentRoot /home/mydomain/public_html ErrorLog /var/log/virtualmin/mydomain.net_error_log CustomLog /var/log/virtualmin/mydomain.net_access_log combined ScriptAlias /cgi-bin/ /home/mydomain/cgi-bin/ ScriptAlias /awstats/ /home/mydomain/cgi-bin/ DirectoryIndex index.html index.htm index.php index.php4 index.php5 <Directory /home/mydomain/public_html> Options -Indexes +IncludesNOEXEC +FollowSymLinks +ExecCGI allow from all AllowOverride All AddHandler fcgid-script .php AddHandler fcgid-script .php5 FCGIWrapper /home/mydomain/fcgi-bin/php5.fcgi .php FCGIWrapper /home/mydomain/fcgi-bin/php5.fcgi .php5 </Directory> <Directory /home/mydomain/cgi-bin> allow from all </Directory> RewriteEngine on RewriteCond %{HTTP_HOST} =webmail.mydomain.net RewriteRule ^(.*) https://mydomain.net:20000/ [R] RewriteCond %{HTTP_HOST} =admin.mydomain.net RewriteRule ^(.*) https://mydomain.net:10000/ [R] RemoveHandler .php RemoveHandler .php5 IPCCommTimeout 31 <Files awstats.pl> AuthName "mydomain.net statistics" AuthType Basic AuthUserFile /home/mydomain/.awstats-htpasswd require valid-user </Files>

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• Can't make Dovecot communicate with Postfix using SASL (warning: SASL: Connect to private/auth failed: No such file or directory)

  - by Fred Rocha

  Solved. I will leave this as a reference to other people, as I have seen this error reported often enough on line. I had to change the path smtpd_sasl_path = private/auth in my /etc/postfix/main.cf to relative, instead of absolute. This is because in Debian Postfix runs chrooted (and how does this affect the path structure?! Anyone?) -- I am trying to get Dovecot to communicate with Postfix for SMTP support via SASL. the master plan is to be able to host multiple e-mail accounts on my (Debian Lenny 64 bits) server, using virtual users. Whenever I test my current configuration, by running telnet server-IP smtp I get the following error on mail.log warning: SASL: Connect to /var/spool/postfix/private/auth failed: No such file or directory Now, Dovecot is supposed to create the auth socket file, yet it doesn't. I have given the right privileges to the directory private, and even tried creating a auth file manually. The output of postconf -a is cyrus dovecot Am I correct in assuming from this that the package was compiled with SASL support? My dovecot.conf also holds client { path = /var/spool/postfix/private/auth mode = 0660 user = postfix group = postfix } I have tried every solution out there, and am pretty much desperate after a full day of struggling with the issue. Can anybody help me, pretty please?

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