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  • Simultaneonus NX client connections

    - by Ja Sam
    I would like to have two separate NX connections for the same username going from one dual-monitor client to NX server. The idea is to get two separate same username KDE sessions. When I try to do it the most obvious way (by starting one NX client on each separate monitor), second connection just over takes the first one. Any idea on how to do this?

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  • SELinux vs. AppArmor vs. grsecurity

    - by Marco
    I have to set up a server that should be as secure as possible. Which security enhancement would you use and why, SELinux, AppArmor or grsecurity? Can you give me some tips, hints, pros/cons for those three? AFAIK: SELinux: most powerful but most complex AppArmor: simpler configuration / management than SELinux grsecurity: simple configuration due to auto training, more features than just access control

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  • How do I add a network printer in Ubuntu 12.04?

    - by Ricky Robinson
    I know the name and the IP address of a network printer, but I can't seem to be able to search by IP address or name. Ubuntu developers love to move things around to make it difficult for users, so now with Ubuntu 12.04 I can only go on Application -> System Tools -> System Settings -> Printers, click on Network and a list of printers appears. Too bad the one I want to add isn't there. How do I do it? Here it suggests System -> Administration -> Printing, which simply doesn't exist.

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  • Puppet Directory and File ownership ignored

    - by Phil Sturgeon
    Puppet seems to be lying to me, which is not very nice. I am trying to set some files and directories included in /vagrant/src to be 666 and 777, and set the ownership group to the correct Apache user (using the PuppetLabs Apache module). Output from Puppet says yes. [default] Running provisioner: Vagrant::Provisioners::Puppet... [default] Running Puppet with /tmp/vagrant-puppet/manifests/default.pp... stdin: is not a tty No LSB modules are available. warning: require is a metaparam; this value will inherit to all contained resources warning: notify is a metaparam; this value will inherit to all contained resources notice: /Stage[main]//File[/vagrant/src/addons/]/owner: owner changed 'vagrant' to 'www-data' notice: /Stage[main]//File[/vagrant/src/addons/]/group: group changed 'vagrant' to 'www-data' notice: /Stage[main]//File[/vagrant/src/addons/]/mode: mode changed '0755' to '0777' notice: /Stage[main]//Package[curl]/ensure: ensure changed 'purged' to 'present' notice: /Stage[main]//File[/vagrant/src/system/cms/config/]/owner: owner changed 'vagrant' to 'www-data' notice: /Stage[main]//File[/vagrant/src/system/cms/config/]/group: group changed 'vagrant' to 'www-data' notice: /Stage[main]//File[/vagrant/src/system/cms/config/]/mode: mode changed '0755' to '0777' notice: /Stage[main]//File[/vagrant/src/system/cms/config/config.php]/owner: owner changed 'vagrant' to 'www-data' notice: /Stage[main]//File[/vagrant/src/system/cms/config/config.php]/group: group changed 'vagrant' to 'www-data' notice: /Stage[main]//File[/vagrant/src/system/cms/cache/]/owner: owner changed 'vagrant' to 'www-data' notice: /Stage[main]//File[/vagrant/src/system/cms/cache/]/group: group changed 'vagrant' to 'www-data' notice: /Stage[main]//File[/vagrant/src/system/cms/cache/]/mode: mode changed '0755' to '0777' notice: /Stage[main]//File[/vagrant/src/uploads/]/owner: owner changed 'vagrant' to 'www-data' notice: /Stage[main]//File[/vagrant/src/uploads/]/group: group changed 'vagrant' to 'www-data' notice: /Stage[main]//File[/vagrant/src/uploads/]/mode: mode changed '0755' to '0777' notice: /Stage[main]/Apache/Service[httpd]/ensure: ensure changed 'stopped' to 'running' notice: /Stage[main]//File[/vagrant/src/assets/cache/]/owner: owner changed 'vagrant' to 'www-data' notice: /Stage[main]//File[/vagrant/src/assets/cache/]/group: group changed 'vagrant' to 'www-data' notice: /Stage[main]//File[/vagrant/src/assets/cache/]/mode: mode changed '0755' to '0777' notice: Finished catalog run in 2.29 seconds Output from ls -lah says no: $ ls -lah /vagrant/src/ total 36K drwxr-xr-x 1 vagrant vagrant 510 2012-07-03 00:11 . drwxr-xr-x 1 vagrant vagrant 340 2012-07-03 08:08 .. drwxr-xr-x 1 vagrant vagrant 136 2012-07-03 00:11 addons drwxr-xr-x 1 vagrant vagrant 102 2012-07-03 00:11 assets drwxr-xr-x 1 vagrant vagrant 510 2012-07-03 07:45 .git -rw-r--r-- 1 vagrant vagrant 1.3K 2012-07-03 00:11 .gitignore -rwxr-xr-x 1 vagrant vagrant 1.4K 2012-07-03 00:11 .htaccess -rwxr-xr-x 1 vagrant vagrant 8.8K 2012-07-03 00:11 index.php drwxr-xr-x 1 vagrant vagrant 442 2012-07-03 00:11 installer -rwxr-xr-x 1 vagrant vagrant 2.8K 2012-07-03 00:11 LICENSE -rw-r--r-- 1 vagrant vagrant 1.1K 2012-07-03 00:11 phpdoc.dist.xml -rw-r--r-- 1 vagrant vagrant 3.3K 2012-07-03 00:11 README.md drwxr-xr-x 1 vagrant vagrant 204 2012-07-03 00:11 system -rw-r--r-- 1 vagrant vagrant 42 2012-07-03 00:11 .travis.yml drwxr-xr-x 1 vagrant vagrant 102 2012-07-03 00:11 uploads Whats up with that? My entire config can be found here.

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  • OpenOffice Daemon Problem

    - by mp_gt
    Dear all, I'm using OpenOffice as a daemon. Sometimes, when the daemon is running a long time, CPU use spikes very high and then openoffice crash. At this point, the open office applicattion don't work and the documents don't be generated. How can I restart automatically the openoffice daemon when this problem happens? Is there any way to monitor the service or to program a watchdog to handle it? Thanks in advance, regards.

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  • md5sum returns a different hash value than online hash generators

    - by Ravi
    On suse10, md5sum myname gives md5 hash as 49b0939cb2db9d21b038b7f7d453cd5d The file myname contains string "ravi" while some of the online md5 hash generators for the same string seem to give a different hash http://md5-encryption.com/ http://www.miraclesalad.com/webtools/md5.php They spit out the hash for "ravi" as 63dd3e154ca6d948fc380fa576343ba6 Why is there a difference in md5sum for the same string "ravi" ?

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  • Make user home directory at gdm login

    - by Lorenzo
    I'm trying to make home directory at (RADIUS) user gdm login. The auth is working right, but when I try gdm says that the user hasn't a home directory. I tried to do that with pam_mkhomedir.so but is not working. My /etc/pam.d/gdm file: PAM-1.0 auth sufficient pam_radius_auth.so auth sufficient pam_nologin.so auth sufficient pam_env.so readenv=1 auth sufficient pam_env.so readenv=1 envfile=/etc/default/locale auth sufficient pam_succeed_if.so @include common-auth auth optional pam_gnome_keyring.so account sufficient pam_radius_auth.so @include common-account session [success=ok ignore=ignore module_unknown=ignore default=bad] pam_selinux.so close session optional pam_limits.so @include common-session session [success=ok ignore=ignore module_unknown=ignore default=bad] pam_selinux.so open session optional pam_gnome_keyring.so auto_start session required pam_mkhomedir.so skel=/etc/skel umask=0022 @include common-password Thanks

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  • JBD: Spotted dirty metadata buffer

    - by Jake Mach
    Sep 25 22:19:38 host kernel: [7798806.146942] JBD: Spotted dirty metadata buffer (dev = loop0, blocknr = 267). There's a risk of filesystem corruption in case of system crash. Sep 25 22:19:38 host kernel: [7798806.146956] JBD: Spotted dirty metadata buffer (dev = loop0, blocknr = 1). There's a risk of filesystem corruption in case of system crash. Sep 25 22:19:38 host kernel: [7798806.146967] JBD: Spotted dirty metadata buffer (dev = loop0, blocknr = 353). There's a risk of filesystem corruption in case of system crash. Sep 25 22:19:38 host kernel: [7798806.147121] JBD: Spotted dirty metadata buffer (dev = loop0, blocknr = 353). There's a risk of filesystem corruption in case of system crash. Sep 25 22:19:38 host kernel: [7798806.147133] JBD: Spotted dirty metadata buffer (dev = loop0, blocknr = 1). There's a risk of filesystem corruption in case of system crash. Sep 25 22:19:38 host kernel: [7798806.147143] JBD: Spotted dirty metadata buffer (dev = loop0, blocknr = 267). There's a risk of filesystem corruption in case of system crash. [7817859.850517] EXT4-fs error (device loop0): ext4_mb_generate_buddy: EXT4-fs: group 1: 28618 blocks in bitmap, 29028 in gd what does this mean? how did this happen?

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  • How to get php mail function to work on Debian “squeeze”?

    - by Neel Kamal
    I have installed Apache and PHP5 on my debian server. Firstly I tried it using sendmail. Here is the step by step procedure that I have tried : Step 1: apt-get install sendmail Step 2: /etc/init.d/apache2 restart But this didn't work. Then I tried using external SMTP . My domain is registered on BigRock.I registerd an email address there [email protected] and it gave me the required credentials. On server I installed sSMTP > apt-get install ssmtp > Configured "/etc/ssmtp/ssmtp.conf" file. In the configuration file I added [email protected] mailhub=smtp.fostergen.com:587 (Here I have doubt. I am not sure what to use here. I tried smtp.fostergen.com:587, smtp.fostergen.com:25,mx1.mailhostbox.com :587,mx1.mailhostbox.com:25. I am still not sure what to use here mailhostbox.com. I used mx1.mailhostbox.com as it was the mx entry for my domain on bigrock Here is the screenshot![screenshot of bigrock's email management tool] ) hostname=vs3204.ams2.alvotec.de (I entered the command hostname -f on my server and got it as result ) FromLineOverride=YES UseSTARTTLS=YES [email protected] AuthPass=password provided during email registration on bigrock > edited /etc/ssmtp/revaliases (added " root:[email protected]:mx1.mailhostbox.com :587 " in the last line) > edited php.ini file (sendmail_path = /usr/sbin/ssmtp -t) > /etc/init.d/apache2 restart But this didn't work. After this I tried eSMTP. Steps Performed : > apt-get install esmtp > edited /etc/esmtprc hostname=smtp.fostergen.com:587 username= [email protected] password: password provide by bigrock mda="/usr/bin/procmail -d %T" > linked eSMTP to the legacy Sendmail path by execting the command "ln -s /usr/bin/esmtp /usr/bin/sendmail" > edited php.ini file (/usr/bin/sendmail -t -i) > /etc/init.d/apache2 restart But this technique also failed. I just want to send email to users through php mail function. Kindly help. Where I am going wrong?

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  • Make error in installing Math support for MediaWiki

    - by Masi
    How can you solve the following Make error in installing MediaWiki? ... /local/lib/site_perl . /etc/perl /usr/local/lib/perl/5.10.0 /usr/local/share/perl/5.10.0 /usr/lib/perl5 /usr/share/perl5 /usr/lib/perl/5.10 /usr/share/perl/5.10 /usr/local/lib/site_perl .) at t/maint/php-tag.t line 8. BEGIN failed--compilation aborted at t/maint/php-tag.t line 8. # Looks like your test died before it could output anything. t/maint/php-tag..........dubious Test returned status 255 (wstat 65280, 0xff00) t/maint/unix-newlines....ok Failed Test Stat Wstat Total Fail List of Failed ------------------------------------------------------------------------------- t/00-test.t 127 32512 ?? ?? ?? t/inc/Database.t 127 32512 ?? ?? ?? t/inc/Global.t 127 32512 ?? ?? ?? t/inc/IP.t 127 32512 ?? ?? ?? t/inc/ImageFunctions.t 127 32512 ?? ?? ?? t/inc/Language.t 127 32512 ?? ?? ?? t/inc/Licenses.t 127 32512 ?? ?? ?? t/inc/LocalFile.t 127 32512 ?? ?? ?? t/inc/Parser.t 127 32512 ?? ?? ?? t/inc/Revision.t 127 32512 ?? ?? ?? t/inc/Sanitizer.t 127 32512 ?? ?? ?? t/inc/Search.t 127 32512 ?? ?? ?? t/inc/Title.t 127 32512 ?? ?? ?? t/inc/Xml.t 127 32512 ?? ?? ?? t/maint/php-lint.t 254 65024 966 966 1-966 t/maint/php-tag.t 255 65280 ?? ?? ?? Failed 16/19 test scripts. 966/4248 subtests failed. Files=19, Tests=4248, 46 wallclock secs (33.15 cusr + 10.38 csys = 43.53 CPU) Failed 16/19 test programs. 966/4248 subtests failed. make: *** [test] Error 255

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  • Running multiple sites on a LAMP with secure isolation

    - by David C.
    Hi everybody, I have been administering a few LAMP servers with 2-5 sites on each of them. These are basically owned by the same user/client so there are no security issues except from attacks through vulnerable deamons or scripts. I am builing my own server and would like to start hosting multiple sites. My first concern is... ISOLATION. How can I avoid that a c99 script could deface all the virtual hosts? Also, should I prevent that c99 to be able to write/read the other sites' directories? (It is easy to "cat" a config.php from another site and then get into the mysql database) My server is a VPS with 512M burstable to 1G. Among the free hosting managers, is there any small one which works for my VPS? (which maybe is compatible with the security approach I would like to have) Currently I am not planning to host over 10 sites but I would not accept that a client/hacker could navigate into unwanted directories or, worse, run malicious scripts. FTP management would be fine. I don't want to complicate things with SSH isolation. What is the best practice in this case? Basically, what do hosting companies do to sleep well? :) Thanks very much! David

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  • How to make new file permission inherit from the parent directory?

    - by Wai Yip Tung
    I have a directory called data. Then I am running a script under the user id 'robot'. robot writes to the data directory and update files inside. The idea is data is open for both me and robot to update. So I setup the permission and owner group like this drwxrwxr-x 2 me robot-grp 4096 Jun 11 20:50 data where both me and robot belongs to the 'robot-grp'. I change the permission and the owner group recursively like the parent directory. I regularly upload new files into the data directory using rsync. Unfortunately, new files uploaded does not inherit the parent directory's permission as I hope. Instead it looks like this -rw-r--r-- 1 me users 6 Jun 11 20:50 new-file.txt When robot tries to update new-file.txt, it fails due to lack of file permission. I'm not sure if setting umask helps. In anycase the new files does not really follow it. $ umask -S u=rwx,g=rx,o=rx I'm often confounded by Unix file permission. Do I even have a right plan? I'm using Debian lenny.

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  • avoid check of list of known hosts

    - by shantanuo
    I get the following prompt everytime I try to connect a server using SSH. I type "yes", but is there a way to aovid this? The authenticity of host '111.222.333.444 (111.222.333.444)' can't be established. RSA key fingerprint is f3:cf:58:ae:71:0b:c8:04:6f:34:a3:b2:e4:1e:0c:8b. Are you sure you want to continue connecting (yes/no)?

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  • VNC on Xen failure

    - by BCable
    The following config works and creates a good VM in Xen: # Kernel Setup kernel = "/boot/vmlinuz-2.6.18.8-xenU" # Memory memory = "256" # Disk disk = [ "file:/opt/xen/domains/110/sda1.img,sda1,w", "file:/opt/xen/domains/110/swap.img,sda2,w" ] # container name name = "110" hostname = "boo" # Networking vif = ["type=ieomu, bridge=xenbr0"] # VNC vnc = 1 #vfb = [ 'type=vnc,vncdisplay=2,vnclisten=0.0.0.0,vncpasswd=110' ] # Behavior Settings root = "/dev/sda1" extra = "fastboot" But when I uncomment the VFB line, I get the following error after it hangs for at least 30 seconds: [root@customer 110]# xm create boo.cfg Using config file "./boo.cfg". Error: Device 0 (vkbd) could not be connected. Hotplug scripts not working. Any ideas? Part two of this question: Sometimes it actually works, and a port is opened. When this happens, nmap shows the VNC ports open and I can connect via the VNC client, but it just hangs at "Connection established." and no VNC display shows up. I've tried multiple VNC clients (TightVNC, TightVNC Java Console, RealVNC), but they all fail to connect. Does VNC through Xen require X to be started in order to function? I was under the impression that it would show the console screen, so I'm confused as to why all these issues are occurring. Thanks!

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  • How can I register a custom protocol with xdg ?

    - by julien
    I've been struggling this morning trying to associate an application with a custom protocol, namely emacsclient and org-protocol. I'm calling this protocol from a webbrowser bookmarklet, and I get the following behaviour : In chromium, the "Launch Application" dialog comes up, and calls xdg-open org-protocol://... which ends up firing a new chromium frame. In firefox, I've tried setting network.protocol-handler.app.org-protocol to an empty string or my emacsclient path, anyhow I get the following error message : "Firefox doesn't know how to open this address, because the protocol (org-protocol) isn't associated with any program" without even showing any external application selection dialog. I'm not using any desktop environment, so I need to make this work strictly with xdg, however, despite reading the shared mime info spec etc, I still can't fathom a working configuration.

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  • Filezilla connection error

    - by Kumar P
    I have RHEL 5 lan server with squid 2.6 stable proxy settings, Under this have some windows xp desktops Now i installed filezilla ftp client in windows xp, for give services to my client's websites But i can't connect ftp servers throw filezilla , I set generic proxy too. ( HTTP/1.1 USING CONNECT method ) I get error message like this, Status: Connecting to (ftp hostname) through proxy Status: Connecting to hostname:port... Status: Connection with proxy established, performing handshake... Response: Proxy reply: HTTP/1.0 403 Forbidden How can i solve this problem ?

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  • Use netcat as a proxy to log traffic

    - by deephacks
    I want to use netcat as a proxy to log http requests and responses to files, then tail these to inspect traffic. Think wireshark. Tried the following where 'fifo' is a named pipe, 'in' and 'out' are files, netcat proxy on port 8080, server on port 8081. while true; do cat fifo | nc -l -p 8080 | tee -a in | nc localhost 8081 | tee -a out 1fifo; done Problems: Netcat stop responing after first request (while loop ignored?). Netcat fails with msg localhost [127.0.0.1] 8081 (tproxy) : Connection refused if server unavailable on 8081. Question: Is it possible to "lazily" connect to 8081 when request is made? I.e. I do not want to have 8081 running when netcat is started.

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  • Permission denied error while import to remote repository via svn...

    - by Usman Ajmal
    Hi I am importing my project to another machine on my LAN to the directory: /srv/svn/repos/my-repo where my-repo was created via svnadmin create option The permissions of /srv/svn/repos/my-repo are drwxr-xr-x 6 svn svn 4096 2010-04-19 17:30 my-repo I executed following command to import myProject files to my-repo on remote system sudo svn import -m "First import" myProject svn+ssh://[email protected]/srv/svn/repos/my-repo This command started 'Adding' files but gave following error after 'Adding' 7 files svn: Can't open file '/srv/svn/repos/baltoros-valgrind/db/txn-current-lock': Permission denied Any idea whats going on...? Thanks a lot

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