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  • sendmail on Ubuntu won't send from www-data user

    - by bumperbox
    I if call mail() function in PHP from webserver (running as www-data) i get an error sending email. If i call the same script from the cmdline logged in as root, then it works If i switch user to www-data and run from the cmdline i get this error message WARNING: RunAsUser for MSP ignored, check group ids (egid=33, want=107) can not chdir(/var/spool/mqueue-client/): Permission denied Program mode requires special privileges, e.g., root or TrustedUser. FAILEDWARNING: RunAsUser for MSP ignored, check group ids (egid=33, want=107) can not chdir(/var/spool/mqueue-client/): Permission denied Program mode requires special privileges, e.g., root or TrustedUser. FAILEDTest Complete$ WARNING: RunAsUser for MSP ignored, check group ids (egid=33, want=107) I am guessing i need to do something in sendmail configuration I have googled for some solutions but have ended up more confused. Can someone let me know what configuration I need to change to fix so i can send from www-data user?

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  • Ubuntu 9.04 Cannot Connect to visible open wifi ap (reason 6)

    - by Andrew Bolster
    I'm travelling currently so the last network i connected successfully to was my home wpa-psk network. I hadn't tried anything until i got to my accommodation that is an open network (that I'm on now on the Win7 partition on my laptop). The network (and a similar archetypical 'linksys' open network, aswell as some protected local networks are correctly displayed in network-manager and upon selection, it happily spins around to its hearts content for a while before saying 'no chance boy'. /var/log/syslog spills out the usual combination of wpa_supplicant and kernel messages, the most interesting of are that the kernel deauthentication reason 6 response. 6 apparently means class2FrameFromNonAuthStation...Client attempted to transfer data before it was authenticated. Anyone seen anything like this? I've already tried going closer to the router to no avail. I don't remember seeing this any other time I've connected to a open AP, even if that AP is far away. (Signal strength for this AP is good, kismet says its around -57dBm, well above the threshold of -80dBm, and I've tried all the suggestions from the 'Related Questions'

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  • Ubuntu 11.10 firewall/gateway - no client internet access

    - by Siriss
    I have read many other posts but cannot figure this out. eth0 is my external connected to a Comcast modem. The server has internet access with no issues. eth1 is internal and running DHCP for the clients. I have DHCP working just fine, all my clients can get an IP and ping the server but they cannot access the internet. I am using ISC-DHCP-SERVER and have set /etc/default/isc-dhcp-server to INTERFACE="eht1" Here is my dhcpd.conf file located in /etc/dhcp/dhcpd.conf ddns-update-style interim; ignore client-updates; subnet 10.0.10.0 netmask 255.255.255.0 { range 10.0.10.10 10.0.10.200; option routers 10.0.10.2; option subnet-mask 255.255.255.0; option domain-name-servers 208.67.222.222, 208.67.220.220; #OpenDNS # option domain-name "example.com"; default-lease-time 21600; max-lease-time 43200; authoritative; } I have made the *net.ipv4.ip_forward=1* change in /etc/sysctl.conf here is my interfaces file: auto lo iface lo inet loopback auto eth0 iface eth0 inet dhcp iface eth1 inet static address 10.0.10.2 netmask 255.255.255.0 network 10.0.10.0 auto eth1 And finally- here is my iptables.conf file: # Firewall configuration written by system-config-firewall # Manual customization of this file is not recommended. *nat :PREROUTING ACCEPT [0:0] :OUTPUT ACCEPT [0:0] :POSTROUTING ACCEPT [0:0] -A POSTROUTING -s 10.0.10.0/24 -o eth0 -j MASQUERADE #-A PREROUTING -i eth0 -p tcp --dport 59668 -j DNAT --to-destination 10.0.10.2:59668 COMMIT *filter :INPUT ACCEPT [0:0] :FORWARD ACCEPT [0:0] :OUTPUT ACCEPT [0:0] -A INPUT -m state --state ESTABLISHED,RELATED -j ACCEPT -A INPUT -p icmp -j ACCEPT -A INPUT -i lo -j ACCEPT -A INPUT -i eth1 -j ACCEPT -A INPUT -m state --state NEW -m tcp -p tcp --dport 22 -j ACCEPT -A INPUT -m state --state NEW -m tcp -p tcp --dport 80 -j ACCEPT -A INPUT -m state --state NEW -m tcp -p tcp --dport 443 -j ACCEPT -A INPUT -m state --state NEW -m tcp -p tcp --dport 53 -j ACCEPT -A INPUT -m state --state NEW -m udp -p udp --dport 53 -j ACCEPT -A FORWARD -s 10.0.10.0/24 -o eth0 -j ACCEPT -A FORWARD -d 10.0.10.0/24 -m state --state ESTABLISHED,RELATED -i eth0 -j ACCEPT -A FORWARD -p icmp -j ACCEPT -A FORWARD -i lo -j ACCEPT -A FORWARD -i eth1 -j ACCEPT #-A FORWARD -i eth0 -m state --state NEW -m tcp -p tcp -d 10.0.10.2 --dport 59668 -j ACCEPT -A INPUT -j REJECT --reject-with icmp-host-prohibited -A FORWARD -j REJECT --reject-with icmp-host-prohibited COMMIT I am completely stuck. I cannot figure out why the clients cannot access the internet. Am I missing a service? Is a service not running? Any help would be greatly appreciated. I tried to be as thorough as possible but please let me know if I have missed something. Thank you!

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  • Ubuntu SSH issue

    - by palani
    0 Hi, I have the ubntun machine... under my /home/user/.ssh i have my id_rsa.pub key... i carefully copied that key and paste my key to respository Git account. After that i try to connect from locat system to my git respository i got the following error warning: Authentication failed. Disconnected; no more authentication methods available (No further authentication methods available.). . I removed SSH in system and re-enable and did agin.. but no luck.... I have no idea what's happening with my SSH key ....can any one please tell me on this... Note : i noticed in my home /home/user/.ssh && /home/user/.ssh2

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  • Ubuntu SSH issue

    - by palani
    Hi, I have the ubntun machine... under my /home/user/.ssh i have my id_rsa.pub key... i carefully copied that key and paste my key to respository Git account. After that i try to connect from locat system to my git respository i got the following error warning: Authentication failed. Disconnected; no more authentication methods available (No further authentication methods available.). . I removed SSH in system and re-enable and did agin.. but no luck.... I have no idea what's happening with my SSH key ....can any one please tell me on this... Note : i noticed in my home /home/user/.ssh && /home/user/.ssh2

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  • Ubuntu can't install an older version of a package

    - by Trevor Newhook
    When I try to do an apt-get install, I keep getting an error: Depends: libgtk-3-common (= 3.4.1-0ubuntu1) but 3.4.2-0ubuntu0.4 is to be installed when I run sudo apt-get -f install, I get several dpkg: warning: files list file for package 'XXX' missing, assuming package has no files currently installed. then Preparing to replace libgtk-3-bin 3.4.1-0ubuntu1 (using .../libgtk-3-bin_3.4.2-0ubuntu0.4_i386.deb) ... Adding 'diversion of /usr/sbin/update-icon-caches to /usr/sbin/update-icon-caches.gtk2 by libgtk-3-bin' dpkg-divert: error: rename involves overwriting `/usr/sbin/update-icon-caches.gtk2' with different file `/usr/sbin/update-icon-caches', not allowed dpkg: error processing /var/cache/apt/archives/libgtk-3-bin_3.4.2-0ubuntu0.4_i386.deb (--unpack): subprocess new pre-installation script returned error exit status 2 Errors were encountered while processing: /var/cache/apt/archives/libgtk-3-bin_3.4.2-0ubuntu0.4_i386.deb E: Sub-process /usr/bin/dpkg returned an error code (1) I'm not sure why it's complaining about a newer version of a package, but any help would be appreciated

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  • Ubuntu xrandr rotate issue

    - by user83544
    I've just bought a second monitor for my PC which happens to be a pivot monitor. I've already read lots of forums related to my problem but haven't come across a solution - I have the same symptoms as dozens of posts but no matter whatever I try it just doesn't work. I've already changed the xorg.conf file and added in the device section just under Driver "nvidia" the following for my second monitor: Option "RandRRotation" "on" When I save and reboot I try to rotate my screen with the nvidia X server settings by choosing the second monitor and clicking either "left" or "right" for the rotation. It immediately exits the nvidia settings window and does nothing. I tried within the terminal by typing: xrandr -o right I get the following error: X Error of failed request: BadMatch (invalid parameter attributes) Major opcode of failed request: 154 (RANDR) Minor opcode of failed request: 2 (RRSetScreenConfig) Serial number of failed request: 14 Current serial number in output stream: 14 I actually manage to rotate it with Option "Rotate" "CCW" instead of "RandRRotation". The problem with this solution is that you get the second monitor in the right position, but any window you open on that screen is practically unchangeable. You can't change the size nor move it, making it useless for reading PDFs, which is the main reason why I bought this second screen to help me write my thesis. Any help is really appreciated. sudo lshw -c video hiram@hiram-linux:~$ sudo lshw -c video *-display description: VGA compatible controller product: nVidia Corporation vendor: nVidia Corporation physical id: 0 bus info: pci@0000:01:00.0 version: a1 width: 64 bits clock: 33MHz capabilities: pm msi pciexpress vga_controller bus_master cap_list rom configuration: driver=nvidia latency=0 resources: irq:16 memory:f8000000-f9ffffff memory:d8000000-dfffffff memory:d4000000-d7ffffff ioport:dc00(size=12 memory:fbd80000-fbdfffff

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  • Can't get DNS Alias work on Ubuntu 10.04 with Apache 2

    - by Johnny
    I want to use the DNS Alias to configure one of my domain pointing to a specific directory on the server. Here is what I've done: Change the IP address in domain setting, and it works $ ping www.example.com PING example.com (124.205.62.xxx): 56 data bytes 64 bytes from 124.205.62.xxx: icmp_seq=0 ttl=48 time=53.088 ms 64 bytes from 124.205.62.xxx: icmp_seq=1 ttl=48 time=52.125 ms ^C --- example.com ping statistics --- 2 packets transmitted, 2 packets received, 0.0% packet loss round-trip min/avg/max/stddev = 52.125/52.606/53.088/0.482 ms Add sites-available and sites-enabled $ ls -l /etc/apache2/sites-available/ total 16 -rw-r--r-- 1 root root 948 2010-04-14 03:27 default -rw-r--r-- 1 root root 7467 2010-04-14 03:27 default-ssl -rw-r--r-- 1 root root 365 2010-06-09 18:27 example.com $ ls -l /etc/apache2/sites-enabled/ total 0 lrwxrwxrwx 1 root root 26 2010-06-09 15:46 000-default -> ../sites-available/default lrwxrwxrwx 1 root root 33 2010-06-09 18:17 001-example.com -> ../sites-available/example.com But it doesn't work and when I open the browser for www.example.com, it shows an 111 error: The following error was encountered: Connection to 124.205.62.48 Failed The system returned: (111) Connection refused Here is how example.com's config: $ cat /etc/apache2/sites-enabled/001-example.com <virtualhost *:80> DocumentRoot "/vhosts/example.com/htdocs/" ServerName www.example.com ServerAlias example.com <Location /> Order Deny,Allow Deny from None Allow from all </Location> #Include /etc/phpmyadmin/apache.conf ErrorLog /vhosts/example.com/logs/error.log CustomLog /vhosts/example.com/logs/access.log combined Could you please tell me how to solve this?

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  • Users in ubuntu; Cant figure it out

    - by Camran
    I am the only one who will have access to my website. Just installed my VPS and managed to get most stuff working. However, stuck on the "members" part. Currently, everything has been done as "root". I have read posts that I should create a user, because root isn't ideal. I have found thousand guides on how to create a user, but now what to do next. 1- Should I create a user with adduser username and then add the user to a group? But which group? 2- And will the user then be able to do everything as I have done logged on as "root"? 3- And somebody plz explain what "sudo" has to do with this? (if anything at all) Thanks

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  • What's a good (preferably standard) was to restore iptables config in ubuntu 9.10

    - by nixomose
    I never quite got why this isn't some built in setup, although maybe it is and stuff changes so quickly I just missed it. I can use iptables-save to generate something I can feed into iptables-restore, but what I was wondering is if there was a standard place to put it so that it gets picked up on boot without me having to add something to rc.local or the ever changing init/event.d scripts.

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  • SSD for swap on Ubuntu server

    - by grs
    Currently I am reading SSD reviews and I wonder how much exactly I will benefit if I move the 24 GB swap from 7200rpm HDD to SSD. Does anyone implemented swap space on SSD? Is this generally good idea? On a side note: I read that ext4 has much better performance if the journal is on SSD. Anyone with such a setup? Thanks! Edit: Here I will answer the questions posted: Occasionally, relatively rare I am hitting the swap. I know what the swap is for and that is better to get more RAM. When the server begins to swap its performance degrades (not a surprise). The idea is if I have few memory hungry processes running, to improve the overall system performance at that time, using SSD for swap, instead of slower rotational media. At the end - I want to be able to login faster and check the server state during swapping, instead of waiting on the login prompt. And of what I see SSD is cheaper per GB than RAM. Would I have better server performance during swapping (as rare it is) using SSD compared to HDD? Where 10k or 15k rpm HDDs would rate in this scenario? Thank you all for your quick and prompt answers!

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  • Ubuntu + Unable to Edit .bashrc file because of ReadOnly

    - by Napster
    To Remove Issue of WARNING: Unable to verify SSL certificate for api.heroku.com To disable SSL verification, run with HEROKU_SSL_VERIFY=disable By Googling I got few solution. One of them is added HEROKU_SSL_VERIFY=disable to .bashrc. Unfortunately, I am not able to edit that file, gives an error of 'readonly' option is set (add ! to override) !wq is used in place of :wq, but no response. Please suggest me to resolve this issue... Thanks

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  • Firefox takes a really long time to load some sites on Ubuntu

    - by Dave
    Hello guys, I have an issue here. Some sites - just a few - takes a really long time to load on Firefox. One example is A List Apart (http://www.alistapart.com/) which takes more than 30 minutes (yes, minutes, not seconds). On Opera, ou even through a telnet session, the problematic sites run without problem, fast as expected. I am using Linux 8.04, running Firefox 3.6.3 downloaded from mozilla site, with a 10M ADSL connection. I tried many tweaks I found googling, like disable IPv6, and change http pipelining settings on FF's about:config. None worked. I also used Firebug to find what phase during negotiation is the bottleneck. Findings are in the screenshot. Well guys, any idea what is the issue? And how to solve it? I repeat, this only happens with firefox (3.6.3 and prior versions), for a few sites only (even sites with much more requests, images, javascripts, stylesheets work fine), and http pipelines and IPv6 tweaks on about:config didn't work. Thanks

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  • VMWare tools on Ubuntu Server 10.10 kernel source problem

    - by Hamid Elaosta
    After install and running the vm-ware config, the config needs my kernel headers to compile some modules, ok, so I'll give it them, but it just won't work. It asks for the path of the directory of C header files that match my running kernel. If I uname -r I get 2.6.35-22-generic-pae So I tell it the source path is /lib/modules/2.6.25-22-generic-pae/build/include and it returns "The directory of kernel headers (version @@VMWARE@@ UTS_RELEASE) does not match your running kernel (version 2.6.35-22-generic-pae). ..I'm confused? can anyone offer suggestions please? I installed hte kernel source andh eaders myself using sudo apt-get install linux-headers-$(uname -r)

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  • How NumLock is used in Ubuntu?

    - by ???
    I found that, when the NumLock is on, then many key combination won't work. For example, generally Ctrl-A is used to select all, but it won't work when NumLock is on. There are two keyboard: The laptop one (Thinkpad T61), and an external USB keyboard. The logs shown in xev: (no log when pressed Fn+NumLock on the laptop keyboard) Logs when pressed the NumLock on the USB keyboard: (Switch On) KeyPress event, serial 40, synthetic NO, window 0xb600001, root 0xac, subw 0x0, time 22187595, (102,107), root:(1198,133), state 0x10, keycode 77 (keysym 0xff7f, Num_Lock), same_screen YES, XLookupString gives 0 bytes: XmbLookupString gives 0 bytes: XFilterEvent returns: False PropertyNotify event, serial 40, synthetic NO, window 0xb600001, atom 0x1b8 (XKLAVIER_STATE), time 22187601, state PropertyNewValue KeyRelease event, serial 40, synthetic NO, window 0xb600001, root 0xac, subw 0x0, time 22187723, (102,107), root:(1198,133), state 0x10, keycode 77 (keysym 0xff7f, Num_Lock), same_screen YES, XLookupString gives 0 bytes: XFilterEvent returns: False (Switch Off) KeyPress event, serial 40, synthetic NO, window 0xb600001, root 0xac, subw 0x0, time 22187899, (102,107), root:(1198,133), state 0x0, keycode 77 (keysym 0xff7f, Num_Lock), same_screen YES, XLookupString gives 0 bytes: XmbLookupString gives 0 bytes: XFilterEvent returns: False PropertyNotify event, serial 40, synthetic NO, window 0xb600001, atom 0x1b8 (XKLAVIER_STATE), time 22187904, state PropertyNewValue KeyRelease event, serial 40, synthetic NO, window 0xb600001, root 0xac, subw 0x0, time 22188003, (102,107), root:(1198,133), state 0x10, keycode 77 (keysym 0xff7f, Num_Lock), same_screen YES, XLookupString gives 0 bytes: XFilterEvent returns: False

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  • Limited connections to Ubuntu 12.04 server

    - by Luis M. Valenzuela
    I'm having a weird problem with my server. The server is inside my network, connected to a 3com switch which is connected to the router that handles the internet connection. The main purpose of the server is to host a php application. What's happening is that user 1 to 15 in the private network have no problems connecting to the server, when user 16 tries to connect a time out comes out and is unable to connect to the server. It's not just to the php application, but to any service from the server. When the 15 users are using the application, the server doesn't even answer to ping. I haven't set any special limit in Apache's ini file or MySql and the firewall is being turned off because the server is only to give service to the internal network. Is there a parameter in any of the network's card conf. files that might me causing this ? Or should I suspect from the router's or switches configuration ? UPDATE. Tomorrow, I'm gonna do some test on the server modifying two kernel params in : /etc/sysctl.conf The settings are: net.core.somaxconn which has the limit on simultaneous network connections to the server and kernel.shmmax which controls the amount of memory the system can use for managing connections.

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  • Change default root user with a new one on Ubuntu Server

    - by MultiformeIngegno
    I have a VPS, until now I used the default root user for SSH access and everything. For security reasons I'd like to use a different user for root, terminal access and sudo operations. So I created another user, gave him the sudo and every other perm. The problem is that all the system files belongs to root. What happens if I set PermitRootLogin No for root? Those files wouldn't be editable by the new root user!

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  • Installing Java 1.5 on Ubuntu?

    - by StackedCrooked
    I already have Java 1.6, but I need to test something with 1.5. I have downloaded the .bin file from http://java.sun.com/javase/downloads/index_jdk5.jsp using the Sun Download Manager. Now I want to create a deb file from this bin file: $ fakeroot make-jpkg java_ee_sdk-5_01-linux.bin Creating temporary directory: /tmp/make-jpkg.Zpm1Y7LbZ0 Loading plugins: blackdown-j2re.sh blackdown-j2sdk.sh common.sh ibm-j2re.sh ibm-j2sdk.sh j2re.sh j2sdk-doc.sh j2sdk.sh j2se.sh sun-j2re.sh sun-j2sdk-doc.sh sun-j2sdk.sh Detected Debian build architecture: i386 Detected Debian GNU type: i486-linux-gnu No matching plugin was found. Removing temporary directory: done How can I fix the "No matching plugin was found." error? Update I downloaded jdk-1_5_0_22-linux-amd64.bin from the archive page and ran Linux installer. It works fine.

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  • How to downgrade a certain ubuntu 10.04 package (php) back to karmic

    - by Eugene
    Hi! I've updated from 9.10 to 10.04 but unfortunately the PHP provided with 10.04 is not yet supported by zend optimizer. As far as I understand I need to somehow replace the PHP 5.3 package provided under 10.04 with an older PHP 5.2 package provided under 9.10. However I am not sure whether this is the right way to downgrade PHP and if yes, I don't know how to replace the 10.04 package with 9.10 package. Could you please help me with that?

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  • Ruby installed on Ubuntu 10.10 slow on one machine but not other

    - by Aaron Jensen
    I have a machine that was provisioned several months ago. RVM was used to install ruby 1.9.3-p125 as well as 1.9.3-p125-perf. When I compared raw ruby performance to another identical machine the older machine smoked them. For example: ================================================================================ With in-block needle calculation ================================================================================ Rehearsal ---------------------------------------------- detect 3.790000 0.000000 3.790000 ( 3.800895) each 2.410000 0.000000 2.410000 ( 2.420860) any 3.960000 0.000000 3.960000 ( 3.972099) include 1.440000 0.000000 1.440000 ( 1.442862) ------------------------------------ total: 11.600000sec vs ================================================================================ With in-block needle calculation ================================================================================ Rehearsal ---------------------------------------------- detect 10.740000 0.000000 10.740000 ( 10.769366) each 6.080000 0.010000 6.090000 ( 6.106323) any 10.600000 0.000000 10.600000 ( 10.641606) include 4.160000 0.000000 4.160000 ( 4.171530) ------------------------------------ total: 31.590000sec I attempted to reinstall 1.9.3-p125 with rvm on the fast machine and that ruby is now slow. It's as if something changed in RVM, or I installed some package that made compiled versions of ruby perform significantly worse. I know this is a tough question to answer, but what things should I look into in order to track down why the performance has suffered so much? edit I just attempted to install with ruby-build and the version installed was fast. Something rvm is doing to build it in my environment is slow.

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  • Can't access server sound card when vnc'd into ubuntu server

    - by Corey Kennedy
    I've set up my ubunutu 10 server with xfce, nxserver, and now tightvncserver so that I can control it remotely from my Windows 7 laptop. NX is working fine for remote access, but when I run (for example) exaile, no sound will be sent through the server's sound card. I installed tightvncserver and connected, but ran into the same problem. Exaile opens, sound isn't muted, I can see that sound cards are installed (via cat /proc/asound/cards), but I can't seem to get the remote sessions to access the server's sound card. Also, just to confirm that the sound card was working I hooked up a montior/keyboard to the server and opened a local xfce session. That worked fine. While I had the local session running, I was also able to open a remote session with NXClient and start exaile - which then successfully piped sound to the local card. After disconnecting the monitor/keyboard and moving the box back to its normal spot, though, I was not able to play sound via either an NX or VNC session. Does anyone have any suggestions? Surely it's possible to configure my remote sessions to pipe sound to the server's sound card, right? Or at least get xfce up and running without a monitor or keyboard but with access to the sound card so I can VNC into it? Thanks!

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