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  • What does a beginner need to know before switching to Ubuntu? [closed]

    - by Natrium
    I have never worked with Linux before. I always used Windows. But I'm considering installing Ubuntu on my machine. I read installing Ubuntu should be very easy. But are there any thing I need to keep in mind during the installation? What are the first things I have to do when I completed the installation? (I wanted to tag this with 'beginner' but I am not allowed, so I tagged with 'installation')

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  • Nvidia GTX250( Ubuntu 12.10 64) after install drivers video change to 1600x1200(without left panel, without borders(file,help,go))

    - by NvidiaTroble
    Nvidia GTX250( Ubuntu 12.10 64) after install drivers - 304.51.really.304.43-0ubuntu1(there was x3 point of 96, 173, current- video change to 1600x1200(without left panel, without borders(file,help,go)). I opened (by right mouse lick) and changed to 1024x768 = lines and nothing else(but ubuntu works! So how repair it back to normal? Thank's for all how will tell me how to! (Sorry about my English).

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  • Is it possible to dual boot Mac OSX Lion with Ubuntu 12.04?

    - by tofu_bacon
    I've read that it can be dangerous for your computer to try to run Ubuntu and that the safest option is to run it on an external hard drive. Is this true? (I don't want to run it through a Virtual Machine.) I would prefer to dual boot it, given that my hard drive has so much space. Update: So does this mean that even if I have Ubuntu installed, that my data would still be at risk due to, say, stability issues?

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  • Strange permission errors in new PostgreSQL installation

    - by Bart van Heukelom
    A freshly installed PostgreSQL (with configuration overwritten) won't start: $ sudo service postgresql start * Starting PostgreSQL 9.1 database server * Error: could not read /etc/postgresql/9.1/main/postgresql.conf: Permission denied Looks like it should be able to read it though: $ ls -l postgresql.conf -rw------- 1 postgres postgres 19450 2012-06-14 10:07 postgresql.conf But fine, I'll add chmod +r it to test if that works. $ sudo chmod +r postgresql.conf $ sudo service postgresql start * Starting PostgreSQL 9.1 database server * The PostgreSQL server failed to start. Please check the log output: Error: Could not open log file /var/log/postgresql/postgresql-9.1-main.log Huh? $ ls -l /var/log/postgresql/ total 4 -rw-r----- 1 postgres adm 827 2012-06-14 10:07 postgresql-9.1-main.log I don't get it. What can be wrong here? This used to work before. Can I maybe monitor what process attempts to open the file? It's Ubuntu 11.10 on EC2, using Chef. For completeness, here's the recipe: # Install PostgreSQL package "postgresql-9.1" # Stop server service "postgresql" do action :stop end # Overwrite configuration (setting data dir) template "/etc/postgresql/9.1/main/postgresql.conf" do source "postgresql-conf.erb" owner "postgres" group "postgres" end # Start server service "postgresql" do action :start end

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  • Nginx http_mp4_module seam installed but dont work

    - by Tahola
    I try to use the http_mp4_module on my Ubuntu server but that didnt seem to work at all. When i check nginx -V i get : nginx version: nginx/1.1.19 TLS SNI support enabled configure arguments: --prefix=/etc/nginx --conf-path=/etc/nginx/nginx.conf --error-log-path=/var/log/nginx/error.log --http-client-body-temp-path=/var/lib/nginx/body --http-fastcgi-temp-path=/var/lib/nginx/fastcgi --http-log-path=/var/log/nginx/access.log --http-proxy-temp-path=/var/lib/nginx/proxy --http-scgi-temp-path=/var/lib/nginx/scgi --http-uwsgi-temp-path=/var/lib/nginx/uwsgi --lock-path=/var/lock/nginx.lock --pid-path=/var/run/nginx.pid --with-debug --with-http_addition_module --with-http_dav_module --with-http_flv_module --with-http_geoip_module --with-http_gzip_static_module --with-http_image_filter_module --with-http_mp4_module --with-http_perl_module --with-http_random_index_module --with-http_realip_module --with-http_secure_link_module --with-http_stub_status_module --with-http_ssl_module --with-http_sub_module --with-http_xslt_module --with-ipv6 --with-sha1=/usr/include/openssl --with-md5=/usr/include/openssl --with-mail --with-mail_ssl_module --add-module=/build/buildd/nginx-1.1.19/debian/modules/nginx-auth-pam --add-module=/build/buildd/nginx-1.1.19/debian/modules/chunkin-nginx-module --add-module=/build/buildd/nginx-1.1.19/debian/modules/headers-more-nginx-module --add-module=/build/buildd/nginx-1.1.19/debian/modules/nginx-development-kit --add-module=/build/buildd/nginx-1.1.19/debian/modules/nginx-echo --add-module=/build/buildd/nginx-1.1.19/debian/modules/nginx-http-push --add-module=/build/buildd/nginx-1.1.19/debian/modules/nginx-lua --add-module=/build/buildd/nginx-1.1.19/debian/modules/nginx-upload-module --add-module=/build/buildd/nginx-1.1.19/debian/modules/nginx-upload-progress --add-module=/build/buildd/nginx-1.1.19/debian/modules/nginx-upstream-fair --add-module=/build/buildd/nginx-1.1.19/debian/modules/nginx-dav-ext-module --with-http_mp4_module and --with-http_flv_module are there, I also add on sites-available/domaine.conf location ~ .mp4$ { mp4; mp4_buffer_size 4M; mp4_max_buffer_size 10M; } location ~ .flv$ { flv; } and Nginx restarted witout error, everything seem ok but when i check my urls myvideo.mp4?start=60 return a 404 error (what i think is normal) and video.mp4?starttime=60 return the video but whatever the starttime number is i get the full video from the begining, did i miss something ?

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  • Postfix unable to create lock file, permission denied

    - by John Bowlinger
    I thought I had my postfix configuration all set up on my Amazon Ubuntu server but I guess not. I'm trying to set up an admin email account for 3 virtually hosted Apache websites. Here's my postfix main.cf file: myhostname = ip-XX-XXX-XX-XXX.us-west-2.compute.internal alias_maps = hash:/etc/aliases alias_database = hash:/etc/aliases myorigin = /etc/mailname mydestination = ip-XX-XXX-XX-XXX.us-west-2.compute.internal, localhost.us-west-2.compute.internal, , localhost relayhost = mynetworks = 127.0.0.0/8 [::ffff:127.0.0.0]/104 [::1]/128 mailbox_size_limit = 0 recipient_delimiter = + inet_interfaces = all virtual_mailbox_domains = example1.com, example2.com, example3.com virtual_mailbox_base = /var/mail/vhosts virtual_mailbox_maps = hash:/etc/postfix/vmailbox virtual_minimum_uid = 100 virtual_uid_maps = static:115 virtual_gid_maps = static:115 virtual_alias_maps = hash:/etc/postfix/virtual Here's my vmailbox file: [email protected] example1.com/admin [email protected] example2.com/admin [email protected] example3.com/admin @example1.com example1.com/catchall @example2.com example2.com/catchall @example3.com example3.com/catchall And finally my virtual file: [email protected] postmaster [email protected] postmaster [email protected] postmaster When I try to send an email to through netcat to my one of my domains, I get: unable to create lock file /var/mail/vhosts/example1.com/admin.lock: Permission denied This is despite the fact that I set example1.com group to postfix and also my virtual_uid_maps and virtual_gid_maps are both set to Postfix group id of 115.

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  • imapsync - Authentication failed

    - by Touff
    I've deployed many Google Apps accounts and have used imapsync a number of times to migrate accounts to Google Apps. This time however, no matter what I try imapsync refuses to work claiming my credentials are incorrect - I've checked them time and time again and they are 100% correct. On Ubuntu 12, built from source, my command is: imapsync --host1 myserver.com --user1 [email protected] --password1 mypassword1 -ssl1 --host2 imap.gmail.com --user2 [email protected] --password2 mypassword2 -ssl2 -authmech2 PLAIN Full output from the command: get options: [1] PID is 21316 $RCSfile: imapsync,v $ $Revision: 1.592 $ $Date: With perl 5.14.2 Mail::IMAPClient 3.35 Command line used: /usr/bin/imapsync --debug --host1 myserver.com --user1 [email protected] --password1 mypassword1 -ssl1 --host2 imap.gmail.com --user2 [email protected] --password2 mypassword2 -ssl2 -authmech2 PLAIN Temp directory is /tmp PID file is /tmp/imapsync.pid Modules version list: Mail::IMAPClient 3.35 IO::Socket 1.32 IO::Socket::IP ? IO::Socket::INET 1.31 IO::Socket::SSL 1.53 Net::SSLeay 1.42 Digest::MD5 2.51 Digest::HMAC_MD5 1.01 Digest::HMAC_SHA1 1.03 Term::ReadKey 2.30 Authen::NTLM 1.09 File::Spec 3.33 Time::HiRes 1.972101 URI::Escape 3.31 Data::Uniqid 0.12 IMAPClient 3.35 Info: turned ON syncinternaldates, will set the internal dates (arrival dates) on host2 same as host1. Info: will try to use LOGIN authentication on host1 Info: will try to use PLAIN authentication on host2 Info: imap connexions timeout is 120 seconds Host1: IMAP server [SERVER1] port [993] user [USER1] Host2: IMAP server [imap.gmail.com] port [993] user [USER2] Host1: * OK [CAPABILITY IMAP4rev1 LITERAL+ SASL-IR LOGIN-REFERRALS ID ENABLE AUTH=PLAIN AUTH=LOGIN] Dovecot ready. Host1: SERVER1 says it has CAPABILITY for AUTHENTICATE LOGIN Host1: success login on [SERVER1] with user [USER1] auth [LOGIN] Host2: * OK Gimap ready for requests from MY-VPS Host2: imap.gmail.com says it has CAPABILITY for AUTHENTICATE PLAIN Failure: error login on [imap.gmail.com] with user [USER2] auth [PLAIN]: 2 NO [AUTHENTICATIONFAILED] Invalid credentials (Failure) I have tried -authmech2 LOGIN as well which returns: Host2: imap.gmail.com says it has NO CAPABILITY for AUTHENTICATE LOGIN Failure: error login on [imap.gmail.com] with user [[email protected]] auth [LOGIN]: 2 NO [AUTHENTICATIONFAILED] Invalid credentials (Failure) If anyone can shed some light on this I would greatly appreciate it.

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  • Unable to install PHP-FPM on Apache (Failed to connect to FastCGI server)

    - by Nyxynyx
    I have been having problem installing php-fpm for use with apache2-mpm-worker. This is the guide that I am following. According to the guide's Step 5, Alias /php5-fcgi /usr/lib/cgi-bin/php5-fcgi FastCgiExternalServer /usr/lib/cgi-bin/php5-fcgi -host 127.0.0.1:9000 -pass-header Authorization However I cannot find php5-fcgi at /usr/lib, but only /usr/bin/php5-cgi and /usr/bin/php-cgi, which I am not sure if they are the same. So I changed the lines in Step 5 to: Alias /php5-fcgi /usr/bin/php5-fcgi FastCgiExternalServer /usr/bin/php5-fcgi -host 127.0.0.1:9000 -pass-header On restarting Apache, it's logs gave the errors: [notice] caught SIGTERM, shutting down [alert] (4)Interrupted system call: FastCGI: read() from pipe failed (0) [alert] (4)Interrupted system call: FastCGI: the PM is shutting down, Apache seems to have disappeared - bye [notice] Apache/2.2.22 (Ubuntu) mod_fastcgi/mod_fastcgi-SNAP-0910052141 configured -- resuming normal operations [notice] FastCGI: process manager initialized (pid 16348) And on loading the index page [error] [client 10.0.2.2] (111)Connection refused: FastCGI: failed to connect to server "/usr/bin/php5-cgi": connect() failed [error] [client 10.0.2.2] FastCGI: incomplete headers (0 bytes) received from server "/usr/bin/php5-cgi" [error] [client 10.0.2.2] File does not exist: /var/www/mydomain/public/favicon.ico Question: Any idea why php5-fcgi is missing, and how should this problem be fixed? Thank you!! :)

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  • Lync CMS replication is failing for all Domain Computers

    - by Ravi Kanneganti
    I have Lync Server 2010 and Active Directory installed on 2 different Windows Server 2008 R2 machines. I have added a Windows 7 PC to AD. And I have added this computer to Trusted Application Servers Pool and published the topology. I want to build an UCMA application to extend Lync Server functionality. I have installed UCMA 3.0 SDK in the same computer where Lync Server is residing. But, CMS Replication isn't happening and "Get-CsManagementStoreReplicationStatus" always gives Uptodate as "False" for my Windows 7 PC. I have even tried "Invoke-CSManagementStoreReplication" but nothing changed. Also, this is the error message that I can see in the log file: TL_WARN(TF_COMPONENT) [2]0500.07B8::04/05/2012-14:55:07.296.00000f85 (XDS_Replica_Replicator,FileDistributeTask.Execute:filedistributetask.cs(165))(000000000043B3FA)**Could not distribute the file. Exception: [System.IO.IOException: The process cannot access the file because it is being used by another process.** at System.IO.__Error.WinIOError(Int32 errorCode, String maybeFullPath) at System.IO.File.Move(String sourceFileName, String destFileName) at Microsoft.Rtc.Xds.Replication.Replicator.Common.FileDistributeTask.Execute()]. TL_NOISE(TF_DIAG) [2]0500.07B8::04/05/2012-14:55:07.296.00000f86 (XDS_Replica_Replicator,ReplicaTaskContainer<T>.OnError:replicataskcontainer.cs(166))(00000000005C39D4)Enter. TL_INFO(TF_COMPONENT) [2]0500.07B8::04/05/2012-14:55:07.296.00000f87 (XDS_Replica_Replicator,ReplicaTaskContainer<T>.OnError:replicataskcontainer.cs(171))(00000000005C39D4)Task error callback is about to be called. TL_VERBOSE(TF_DIAG) [2]0500.07B8::04/05/2012-14:55:07.296.00000f88 (XDS_Replica_Replicator,PerReplicaTaskManager<T>.HandleTaskError:perreplicataskmanager.cs(230))(000000000385E79C)Enter. TL_INFO(TF_COMPONENT) [2]0500.07B8::04/05/2012-14:55:07.296.00000f89 (XDS_Replica_Replicator,PerReplicaTaskManager<T>.HandleTaskError:perreplicataskmanager.cs(234))(000000000385E79C)Task encountered an error: [ReplicaTaskContainer<FileDistributeTask>{FileDistributeTask{E:\RtcReplicaRoot\xds-replica\from-master\data.zip, E:\RtcReplicaRoot\xds-replica\working\replication\from-master\data.zip, **Access failed**. (E:\RtcReplicaRoot\xds-replica\from-master\data.zip)}, FileDistributeTask{E:\RtcReplicaRoot\xds-replica\from-master\data.zip, E:\RtcReplicaRoot\xds-replica\working\replication\from-master\data.zip, }}]

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  • Incoming traceroute blocked by ufw

    - by Tobias Timpe
    One of my Proxmox VMs running Ubuntu 13.04 won't accept incoming trace routes while ufw is enabled. What command do give ufw to allow incoming traceroute(6)s? The following shows up in the syslog with ufw enabled: 50:15:15:aa:ae:8d:7d:e4:7a:97:08:00 SRC=79.236.233.97 DST=78.46.101.252 LEN=52 TOS=0x00 PREC=0x00 TTL=1 ID=33400 PROTO=UDP SPT=63757 DPT=33466 LEN=32 Nov 4 16:20:36 web kernel: [8078158.260409] [UFW BLOCK] IN=eth0 OUT= MAC=00:50:56:15:15:aa:ae:8d:7d:e4:7a:97:08:00 SRC=79.236.233.97 DST=78.46.101.252 LEN=52 TOS=0x00 PREC=0x00 TTL=1 ID=33401 PROTO=UDP SPT=63757 DPT=33467 LEN=32 Nov 4 16:20:41 web kernel: [8078163.262626] [UFW BLOCK] IN=eth0 OUT= MAC=00:50:56:15:15:aa:ae:8d:7d:e4:7a:97:08:00 SRC=79.236.233.97 DST=78.46.101.252 LEN=52 TOS=0x00 PREC=0x00 TTL=2 ID=33402 PROTO=UDP SPT=63757 DPT=33468 LEN=32 Nov 4 16:20:46 web kernel: [8078168.262927] [UFW BLOCK] IN=eth0 OUT= MAC=00:50:56:15:15:aa:ae:8d:7d:e4:7a:97:08:00 SRC=79.236.233.97 DST=78.46.101.252 LEN=52 TOS=0x00 PREC=0x00 TTL=2 ID=33403 PROTO=UDP SPT=63757 DPT=33469 LEN=32 Nov 4 16:20:51 web kernel: [8078173.260521] [UFW BLOCK] IN=eth0 OUT= MAC=00:50:56:15:15:aa:ae:8d:7d:e4:7a:97:08:00 SRC=79.236.233.97 DST=78.46.101.252 LEN=52 TOS=0x00 PREC=0x00 TTL=2 ID=33404 PROTO=UDP SPT=63757 DPT=33470 LEN=32 And the trace route just ends in starts after the Proxmox host machine. Thanks Tobias Timpe

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  • Warning flagged by the 'rkhunter'

    - by gkt.pro
    when I scanned my Ubuntu 10.04 with rkhunter a root kit hunter toolkit, it gave following warning: Is there something that I have to worry about. [23:06:19] /usr/sbin/adduser [ Warning ] [23:06:19] Warning: The command '/usr/sbin/adduser' has been replaced by a script: /usr/sbin/adduser: a /usr/bin/perl script text executable [23:06:20] /usr/sbin/rsyslogd [ Warning ] [23:06:20] Warning: The file properties have changed: [23:06:22] /usr/bin/dpkg [ Warning ] [23:06:22] Warning: The file properties have changed: [23:06:22] /usr/bin/dpkg-query [ Warning ] [23:06:22] Warning: The file properties have changed: [23:06:24] /usr/bin/ldd [ Warning ] [23:06:24] Warning: The file properties have changed: [23:06:24] Warning: The command '/usr/bin/ldd' has been replaced by a script: /usr/bin/ldd: Bourne-Again shell script text executable [23:06:24] /usr/bin/logger [ Warning ] [23:06:24] Warning: The file properties have changed: [23:06:25] /usr/bin/mail [ Warning ] [23:06:25] Warning: The file '/usr/bin/mail' exists on the system, but it is not present in the rkhunter.dat file. [23:06:27] /usr/bin/sudo [ Warning ] [23:06:27] Warning: The file properties have changed: [23:06:29] /usr/bin/whereis [ Warning ] [23:06:29] Warning: The file properties have changed: [23:06:29] /usr/bin/lwp-request [ Warning ] [23:06:29] Warning: The command '/usr/bin/lwp-request' has been replaced by a script: /usr/bin/lwp-request: a /usr/bin/perl -w script text executable [23:06:29] /usr/bin/bsd-mailx [ Warning ] [23:06:29] Warning: The file '/usr/bin/bsd-mailx' exists on the system, but it is not present in the rkhunter.dat file. [23:06:30] /sbin/fsck [ Warning ] [23:06:30] Warning: The file properties have changed: [23:06:30] /sbin/ifdown [ Warning ] [23:06:30] Warning: The file properties have changed: [23:06:31] /sbin/ifup [ Warning ] [23:06:31] Warning: The file properties have changed: [23:06:34] /bin/dmesg [ Warning ] [23:06:34] Warning: The file properties have changed: [23:06:35] /bin/more [ Warning ] [23:06:35] Warning: The file properties have changed: [23:06:36] /bin/mount [ Warning ] [23:06:36] Warning: The file properties have changed: [23:06:37] /bin/which [ Warning ] [23:06:37] Warning: The command '/bin/which' has been replaced by a script: /bin/which: POSIX shell script text executable [23:08:58] Checking /dev for suspicious file types [ Warning ] [23:08:58] Warning: Suspicious file types found in /dev: [23:08:58] Checking for hidden files and directories [ Warning ] [23:08:58] Warning: Hidden directory found: /etc/.java [23:08:58] Warning: Hidden directory found: /dev/.udev [23:08:58] Warning: Hidden directory found: /dev/.initramfs [23:09:01] Checking version of Exim MTA [ Warning ] [23:09:01] Warning: Application 'exim', version '4.71', is out of date, and possibly a security risk. [23:09:01] Checking version of GnuPG [ Warning ] [23:09:01] Warning: Application 'gpg', version '1.4.10', is out of date, and possibly a security risk. [23:09:01] Checking version of OpenSSL [ Warning ] [23:09:01] Warning: Application 'openssl', version '0.9.8k', is out of date, and possibly a security risk.

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  • Bind9 configured to start at boot, has to be started manually

    - by antik
    I've configured bind9 on my system and it works great when it runs. It's currently configured to be run at runlevel 2 by setting: $ sudo update-rc.d bind9 enable 2 This appears to have done its work: $ tree -f /etc/rc?.d | grep -e ".*bind9$" |-- /etc/rc0.d/K85bind9 -> ../init.d/bind9 |-- /etc/rc2.d/S15bind9 -> ../init.d/bind9 |-- /etc/rc3.d/S15bind9 -> ../init.d/bind9 |-- /etc/rc4.d/S15bind9 -> ../init.d/bind9 |-- /etc/rc5.d/S15bind9 -> ../init.d/bind9 |-- /etc/rc6.d/K85bind9 -> ../init.d/bind9 Booting the system, I believe I am at runlevel 2: $ runlevel N 2 Given the above configuration, when the system is rebooted, bind does not come up. Only on occasion, for some reason, can I resolve hostnames immediately after startup. Far more often than not however, I cannot. I can interrogate the service's status: $ sudo /etc/init.d/bind9 status * could not access PID file for bind9 When the service doesn't start, I can start it successfully via a terminal by issuing $ sudo /etc/init.d/bind9 start And it works great from then on. Loopback configuration: $ ifconfig lo lo Link encap:Local Loopback inet addr:127.0.0.1 Mask:255.0.0.0 inet6 addr: ::1/128 Scope:Host UP LOOPBACK RUNNING MTU:16436 Metric:1 RX packets:1872 errors:0 dropped:0 overruns:0 frame:0 TX packets:1872 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:0 RX bytes:220205 (220.2 KB) TX bytes:220205 (220.2 KB) Do I have my startup misconfigured? (I'm used to Gentoo so Ubuntu's model is still a little new to me) I'm not seeing any log indication of a failed attempt to start at boot in syslog. Is there someplace else I should be looking? What else should I look into to get bind working at startup?

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  • how to get Geo::Coder::Many with cpan?

    - by mnemonic
    Ubuntu is installed for development of a Perl project. aptitude search Geo-Coder i libgeo-coder-googlev3-perl - Perl module providing access to Google Map Aptitude does not refer to Geo::Coder::Many cpan can not build it. sudo cpan Geo::Coder::Many Then: CPAN: Storable loaded ok (v2.27) Going to read '/home/jh/.cpan/Metadata' Database was generated on Wed, 16 Oct 2013 06:17:04 GMT Running install for module 'Geo::Coder::Many' Running make for K/KA/KAORU/Geo-Coder-Many-0.42.tar.gz CPAN: Digest::SHA loaded ok (v5.61) CPAN: Compress::Zlib loaded ok (v2.033) Checksum for /home/jh/.cpan/sources/authors/id/K/KA/KAORU/Geo-Coder-Many-0.42.tar.gz ok CPAN: File::Temp loaded ok (v0.22) CPAN: Parse::CPAN::Meta loaded ok (v1.4401) CPAN: CPAN::Meta loaded ok (v2.110440) CPAN: Module::CoreList loaded ok (v2.49_02) CPAN: Module::Build loaded ok (v0.38) CPAN.pm: Going to build K/KA/KAORU/Geo-Coder-Many-0.42.tar.gz Can't locate Geo/Coder/Many/Google.pm in @INC (@INC contains: /etc/perl /usr/local/lib/perl/5.14.2 /usr/local/share/perl/5.14.2 /usr/lib/perl5 /usr/share/perl5 /usr/lib/perl/5.14 /usr/share/perl/5.14 /usr/local/lib/site_perl .) at /usr/share/perl/5.14/Module/Load.pm line 27. Can't locate Geo/Coder/Many/Google in @INC (@INC contains: /etc/perl /usr/local/lib/perl/5.14.2 /usr/local/share/perl/5.14.2 /usr/lib/perl5 /usr/share/perl5 /usr/lib/perl/5.14 /usr/share/perl/5.14 /usr/local/lib/site_perl .) at /usr/share/perl/5.14/Module/Load.pm line 27. BEGIN failed--compilation aborted at Build.PL line 54. Warning: No success on command[/usr/bin/perl Build.PL --installdirs site] CPAN: YAML loaded ok (v0.77) KAORU/Geo-Coder-Many-0.42.tar.gz /usr/bin/perl Build.PL --installdirs site -- NOT OK Running Build test Make had some problems, won't test Running Build install Make had some problems, won't install Could not read metadata file. Falling back to other methods to determine prerequisites Any suggestions how to resolve this issue?

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  • SSL on nginx + unicorn got "Error 102 (net::ERR_CONNECTION_REFUSED)"

    - by panggi
    I tried to deploy my app on EC2 (opened port: 22, 80, 443) App: Rails 3.2.2 Server: nginx 1.2.1 unicorn gem (latest) ubuntu 12.04 Deployer: Capistrano I tried to follow the instruction in Railscasts : http://railscasts.com/episodes/335-deploying-to-a-vps (Sorry, it's a Pro Episode) Anything fine with normal port 80 http but i got Error 102 after trying to use SSL, here is the nginx.conf content: upstream unicorn { server unix:/tmp/unicorn.frontend.sock fail_timeout=0; } server { server_name beta.sukeru.com; listen 443 default; root /home/deployer/apps/appname/current/public; ssl on; ssl_certificate server.crt; ssl_certificate_key server.key; ssl_session_timeout 5m; ssl_protocols SSLv2 SSLv3 TLSv1; ssl_ciphers HIGH:!aNULL:!MD5; ssl_prefer_server_ciphers on; location / { proxy_set_header Host $host; proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for; proxy_set_header X-Forwarded-Proto https; proxy_redirect off; proxy_pass http://unicorn; } error_page 500 502 503 504 /500.html; } In production.rb i set: config.force_ssl = true Can anyone give a solution for this? :)

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  • Apache error: could not make child process 25105 exit, attempting to continue anyway

    - by Temnovit
    Hello! I have a web server based on Ubuntu Server 9.10 with this software: apache 2 PHP 5.3 MySQL 5 Python 2.5 Few of my websites are PHP based, few use python/django through mod_wsgi. For month or so, every day my apache server stops responding until I manually restart it. Error logs show: [Fri Mar 05 17:06:47 2010] [error] could not make child process 25059 exit, attempting to continue anyway [Fri Mar 05 17:06:47 2010] [error] could not make child process 25061 exit, attempting to continue anyway [Fri Mar 05 17:06:47 2010] [error] could not make child process 24930 exit, attempting to continue anyway [Fri Mar 05 17:06:47 2010] [error] could not make child process 25084 exit, attempting to continue anyway [Fri Mar 05 17:06:47 2010] [error] could not make child process 25105 exit, attempting to continue anyway and so on. I tried to google this problem but it seems, that I can't find a solution there. How can I determine the cause of this error and how do I fix it? Thank you for your help. UPDATE Updating mod-wsgi to version 3.1 didn't solve the problem Updating PHP to 5.3 also didn't solve it Here is a list of all installed modules: core mod_log_config mod_logio prefork http_core mod_so mod_alias mod_auth_basic mod_authn_file mod_authz_default mod_authz_groupfile mod_authz_host mod_authz_user mod_autoindex mod_cgi mod_deflate mod_dir mod_env mod_mime mod_negotiation mod_php5 mod_rewrite mod_setenvif mod_status mod_wsgi Here's how my virtual host with wsgi looks: <VirtualHost *:80> ServerName example.net DocumentRoot /var/www/example.net #wcgi script that serves all the thing WSGIScriptAlias / /var/www/example.net/index.wsgi WSGIDaemonProcess example user=wsgideamonuser group=root processes=1 threads=10 WSGIProcessGroup example Alias /static /var/www/example.net/static #serving admin files Alias /media/ /usr/local/lib/python2.6/dist-packages/django/contrib/admin/media/ <Location "/static"> SetHandler None </Location> <Location "/media"> SetHandler None </Location> ErrorLog /var/www/example.net/error.log </VirtualHost> Error log now contains two types of errors fallowed one by another: [error] child process 9486 still did not exit, sending a SIGKILL [error] could not make child process 9106 exit, attempting to continue anyway

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  • SAN with iSCSI-Target Performance Horrendous

    - by Justin
    We have a poor man's SAN setup in a 1U Ubuntu server running iSCSI-Target with two 300GB drives in RAID-0. We then are using it for block level storage for virtual machines. The hypervisor is connected to the SAN via gigabit on a dedicated VLAN and interfaces. We only have a single virtual machine setup and doing some benchmarks. If we run hdparm -t /dev/sda1 from the virtual machine, we get 'ok' performance of 75MB/s from the virtual machine to the SAN. Then we basically compile a package with ./configure and make. Things start ok, but then all the sudden the load average on the SAN grows to 7+ and things slow down to a crawl. When we SSH into the SAN and run top, sure the load is 7+, but the CPU usage is basically nothing, also the server has 1.5GB of memory available. When we kill the compile on the virtual machine, slowly the LOAD on the SAN goes back to sub 1 figures. What in the world is causing this? How can we diagnosis this further? Here are two screenshot from the SAN during high load. 1> Output of iotop on the SAN: 2> Output of top on the SAN:

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  • Using the RST3 plugin in the Leo Outliner

    - by T-Boy
    I'm currently trying out the Leo Outliner, and I've heard quite a bit about the RST3 plugin that it has. I'm not planning to use Leo to program just yet -- at this point I'm wondering if it might be useful for generating HTML and PDF documents, as I'm quite currently enamored with RST and how it works. I'm using my Ubuntu Netbook Remix netbook (running 9.10, I believe). I think I've got it down pat, more or less -- I've installed docutils using the Synaptics Package Manager, and I think I've gotten SilverCity installed, as per the requirements -- I've downloaded the archive, and then run "sudo python setup.py install" with no errors. The thing is, I'm not exactly sure how to invoke the rst3 plugin itself. It doesn't appear in the Plugins menu for Leo right now, and the documentation I've managed to source doesn't seem to clearly explain how to use the plugin. Has anyone had any experience in using the rst3 plugin in Leo? It's a little confusing right now, and searches on Google doesn't seem to be helping much any more. I'm using the latest 4.7.1 final version of Leo from the Synaptics Package Manager (was informed that this would have offered the best integration with UNR, so I figured, what the heck). Have I missed out on any steps here, and are there any useful tutorials on how to use the rst3 plugin?

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  • Best Practice: Apache File Upload

    - by matnagel
    I am looking for a soultion for trusted users to upload pdf files via html forms (with maybe php involved). This is quite a standard ubuntu linux server with apache 2.x and php 5. I am wonderiung what are the benefits of the apache file upload module. There were no updates for some time, is it actively maintained? What are the advantages over traditional php upload with apache 2 without this module? http://commons.apache.org/fileupload I remember traditional php file upload is difficult with some pitfalls, will the apache file upload module improve the situation? The solution I am looking for will be part of an existing website and be integrated into the admin web frontend. Things I am not considering are webdav, ssh, ftp, ftps, ftp over ssh. Should work with a browser and without installing special client software, so I am asking about a browser based upload without special client side requirements. I can request a modern browser like firefox = 3.5 or modern webkit broser like chrome or safari from the users.

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  • Apache mod-pagespeed installation affects mod-spdy?

    - by tim peterson
    Recently my site (an https connection, running on an Amazon EC2 ubuntu apache2.2) has this issue where I need to load the page several times (3-4) before it will load normally without issue. It will then load normally as long as I keep loading pages regularly (every couple seconds). It will stall again if I don't load pages for a few minutes. It has nothing to do with my application because I don't have this problem with the exact same app codebase on my Apache installation on my laptop. The only things to my knowledge that I've changed is that I recently installed mod_spdy and then a few weeks later I installed mod_pagespeed, https://developers.google.com/speed/pagespeed/mod. However, I have since turned mod_pagespeed off by setting its pagespeed.conf to mod_pagespeed off. Unfortunately, that didn't solve the problem. The line below is how every of last 10 lines of my error.log look: # tail -f /var/log/apache2/error.log ... [32728:32729:ERROR:mod_spdy.cc(162)] request->chunked == 1 in request GET / HTTP/1.1 [Sat Jun 02 04:50:08 2012] [warn] [client 50.136.93.153] [stream 5] [32728:32729:WARNING:http_to_spdy_filter.cc(113)] HttpToSpdyFilter is not the last filter in the chain: chunk any thoughts? thank you, tim

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  • Apache Reverse Proxy not working inside a VirtualHost running a Mono Web Application

    - by Arwen
    I have a mono web application running with this virtual host below. It is running on Apache 2.2.20 / Ubuntu 11.10. I tried to add a reverse proxy inside this virtualhost so I can make asynchronous or AJAX type calls back to this same domain. My asynchronous requests would have problems in many browsers calling services that are on another domain (cross domain requests problem). I am wanting to do reverse proxy calls to this other service using http://www.whatever.com/monkey/. So, I added the directive and top directive to try to make this work. It is weird though...nothing I do seems to have any effect. I can put the exact same markup in my default website virtualhost file and it works great. What is the deal? Are some of these Mono directives causing problems? <VirtualHost *:80> ServerName www.whatever.com ServerAlias whatever.com *.whatever.com ServerAdmin [email protected] DocumentRoot /home/myuser/web/whatever ProxyRequests off <Proxy *> Order allow,deny Allow from all </Proxy> <Location /monkey/> ProxyPass http://www.google.com/ ProxyPassReverse http://www.google.com/ </Location> MonoServerPath www.whatever.com "/usr/bin/mod-mono-server2" MonoSetEnv www.whatever.com MONO_IOMAP=all MonoApplications www.whatever.com "/:/home/myuser/web/whatever" <Location "/"> Allow from all Order allow,deny MonoSetServerAlias www.whatever.com SetHandler mono SetOutputFilter DEFLATE SetEnvIfNoCase Request_URI "\.(?:gif|jpe?g|png)$" no-gzip dont-vary </Location> <IfModule mod_deflate.c> AddOutputFilterByType DEFLATE text/html text/plain text/xml text/javascript </IfModule> </VirtualHost>

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  • Attempting to update Amazon Route53 using a script, but domain is not being updated

    - by ks78
    I have several Amazon EC2 instances, running Ubuntu 10.04, with which I'd like to use Amazon's Route53. I setup a script as described in Shlomo Swidler's article, but I'm still missing something. When the script runs, it doesn't return any output, which I initially assumed meant it ran correctly. However, when I check the DNS records using MyR53DNS, there are no entries for my instances. Here's my script: #!/bin/tcsh -f set root=`dirname $0` setenv EC2_HOME /usr/lib/ec2-api-tools setenv EC2_CERT /etc/cron.route53/ec2_x509_cert.pem setenv EC2_PRIVATE_KEY /etc/cron.route53/ec2_x509_private.pem setenv AWS_ACCESS_KEY_ID myaccesskeyid setenv AWS_SECRET_ACCESS_KEY mysecretaccesskey /user/bin/ec2-describe-instances | \ perl -ne '/^INSTANCE\s+(i-\S+).*?(\S+\.amazonaws\.com)/ \ and do { $dns = $2; print "$1 $dns\n" }; /^TAG.+\sShortName\s+(\S+)/ \ and print "$1 $dns\n"' | \ perl -ane 'print "$F[0] CNAME $F[1] --replace\n"' | \ xargs -n 4 $/etc/cron.route53/cli53/cli53.py \ rrcreate -x 60 mydomain.com Does anyone see a problem with this script? If its not the script, what else could be preventing my Route53 domain from being updated? I am using the Security Groups to IP-restrict the instances. I've tried opening port 53, but that didn't seem to have an effect. Is there another port that Route53 uses? I'd appreciate any help or guidance the ServerFault community can offer. Let me know if you need any further info.

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  • Page reload needed several times before loading normally

    - by tim peterson
    Sorry my question is so vague I just have no idea where to start in solving it and am quite a novice with servers. Recently my site (an https connection, running on an Amazon EC2 ubuntu apache2.2) has this issue where I need to load the page several times (3-4) before it will load normally without issue. It will then load normally as long as I keep loading pages regularly (every couple seconds). It will stall again if I don't load pages for a few minutes. It has nothing to do with my application because I don't have this problem with the exact same app codebase on my Apache installation on my laptop. The only thing to my knowledge that I changed is that I installed mod_pagespeed https://developers.google.com/speed/pagespeed/mod. However, I have since turned it off by setting my pagespeed.conf to mod_pagespeed off. Unfortunately, that didn't solve the problem. I'm wondering general advice on how to troubleshoot this problem. For instance are there linux commands to check page loading peformance? Also, it looks like I have lots of new error.logs in my /var/log/apache2 directory which i believe weren't there a few months ago. lots of this : error.log RewriteLog.log.24.gz ssl_access.log.40.gz error.log.1 RewriteLog.log.25.gz ssl_access.log.41.gz error.log.10.gz RewriteLog.log.26.gz ssl_access.log.42.gz error.log.11.gz RewriteLog.log.27.gz any thoughts? thank you, tim

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  • Solr error; JNDI not configured for solr; Anybody know what this means?

    - by Camran
    I am installing solr on my VPS (Ubuntu 9.10) via PuTTY. First, I thought about installing Solr with Tomcat, but then after installing tomcat, I changed my mind and went for the Jetty which comes with Solr. Now that I have setup everything on my Server, and try to start the "start.jar" file, I get some errors... Here is some text from the log file: 2010-05-29 00:22:42.074::INFO: jetty-6.1.3 2010-05-29 00:22:42.134::INFO: Extract jar:file:/var/www/webapps/solr.war!/ to /var/www/work/Jetty_0_0_0_0_8983_solr.war__solr__k1kf17/webapp May 29, 2010 12:22:42 AM org.apache.solr.core.SolrResourceLoader locateSolrHome INFO: JNDI not configured for solr (NoInitialContextEx) May 29, 2010 12:22:42 AM org.apache.solr.core.SolrResourceLoader locateSolrHome INFO: solr home defaulted to 'solr/' (could not find system property or JNDI) May 29, 2010 12:22:42 AM org.apache.solr.core.SolrResourceLoader <init> INFO: Solr home set to 'solr/' May 29, 2010 12:22:42 AM org.apache.solr.servlet.SolrDispatchFilter init INFO: SolrDispatchFilter.init() May 29, 2010 12:22:42 AM org.apache.solr.core.SolrResourceLoader locateSolrHome INFO: JNDI not configured for solr (NoInitialContextEx) May 29, 2010 12:22:42 AM org.apache.solr.core.SolrResourceLoader locateSolrHome INFO: solr home defaulted to 'solr/' (could not find system property or JNDI) May 29, 2010 12:22:42 AM org.apache.solr.core.CoreContainer$Initializer initialize INFO: looking for solr.xml: /var/www/solr/solr.xml May 29, 2010 12:22:42 AM org.apache.solr.core.SolrResourceLoader <init> INFO: Solr home set to 'solr/' Anybody know what this is? Thanks

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  • VSFTP Users and Directories

    - by Mathew
    I'm stuck. I've been working all day on trying to figure out what I'm doing wrong and I've hit wall after wall. What I'm trying to do: Setup FTP in such a way that certain users have access only to their directory, but higher level users have access to all directories. What I've Googled so far: I started with this, but that didn't do what I needed it to. I then used this, but once I created one user, it wouldn't let me create another one. Finally, I decided to follow this, but it wouldn't let me even create one user. I'm using Ubuntu 10. I can login to ftp as a root user and it takes me to the home directory. If I try to login using the user I created in the tutorial it says: Status: Connection established, waiting for welcome message... Response: 220 (vsFTPd 2.2.2) Command: USER mathew Response: 331 Please specify the password. Command: PASS **** Response: 530 Login incorrect. Error: Critical error Error: Could not connect to server

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  • VSFTPD does not allow upload with virtual users

    - by Mr. Squig
    I am attempting to setup VSFTPD with virtual users on a server running Ubuntu 12.04. I have configured the server to allow for virtual users to login, but I am having trouble getting it to allow uploads. My vsftpd.conf is as follows: listen=YES anonymous_enable=NO local_enable=YES write_enable=YES local_umask=022 anon_upload_enable=YES dirmessage_enable=YES use_localtime=YES xferlog_enable=YES connect_from_port_20=YES chroot_local_user=YES virtual_use_local_privs=YES guest_enable=YES guest_username=virtual user_sub_token=$USER local_root=/var/www/$USER hide_ids=YES secure_chroot_dir=/var/run/vsftpd/empty pam_service_name=vsftpd rsa_cert_file=/etc/ssl/private/vsftpd.pem /etc/pam.d/vsftpd contains: auth required pam_pwdfile.so pwdfile /etc/vsftpd.passwd crypt=hash account required pam_permit.so crypt=hash I have two virtual users set up, one of which has the same name as a local user. They each have a directory in /var/www/ owned by 'virtual'. As I understand it, when a virtual user logs in this way they will appear to the system as the user virtual. Using this configuration user can log on, but cannot upload files. The error given in /var/log/vsftpd.log is: Tue Nov 20 19:49:00 2012 [pid 2] CONNECT: Client "96.233.116.53" Tue Nov 20 19:49:07 2012 [pid 1] [zac] OK LOGIN: Client "96.233.116.53" Tue Nov 20 19:49:11 2012 [pid 2] CONNECT: Client "96.233.116.53" Tue Nov 20 19:49:11 2012 [pid 1] [zac] OK LOGIN: Client "96.233.116.53" Tue Nov 20 19:49:11 2012 [pid 3] [zac] FAIL CHMOD: Client "96.233.116.53", "/test.ppm 644" I have tried changing the permissions of these directories in all sorts of ways, but nothing seem to work. I have a feeling that it is something simple related to permissions. Any ideas?

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