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  • Convert a colored PDF into a white/black

    - by polslinux
    On Debian Sid, I have a PDF with a blue background and yellow font. I've searched a lot on Super User but i haven't found anything useful for me. I have tried to convert the PDF into a grayscale one with: gs -o grayscale.pdf -sDEVICE=pdfwrite -sColorConversionStrategy=Gray -sProcessColorModel=DeviceGray -dCompatibilityLevel=1.4 colored.pdf The problem is that I obtain a PDF whit white fonts and dark grey background so I cannot print it. After that I tried: convert -density 96x96 gs2.pdf -density 96x96 -negate -compress zip inv.pdf I got a PDF with black fonts (and this is okay) and grey background (and this is not okay). What can I do to obtain a PDF with white background and black fonts?

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  • dns server bind is not work

    - by milad
    I just installed bind on RHEL 6 and point a domain to that server. but actually when i ping domain it returns error 1214: Here is my named.conf: // // named.conf // // Provided by Red Hat bind package to configure the ISC BIND named(8) DNS // server as a caching only nameserver (as a localhost DNS resolver only). // // See /usr/share/doc/bind*/sample/ for example named configuration files. // options { listen-on port 53 { any; }; listen-on-v6 port 53 { ::1; }; directory "/var/named"; dump-file "/var/named/data/cache_dump.db"; statistics-file "/var/named/data/named_stats.txt"; memstatistics-file "/var/named/data/named_mem_stats.txt"; allow-query { any; }; recursion yes; dnssec-enable yes; dnssec-validation yes; dnssec-lookaside auto; /* Path to ISC DLV key */ bindkeys-file "/etc/named.iscdlv.key"; managed-keys-directory "/var/named/dynamic"; }; logging { channel default_debug { file "data/named.run"; severity dynamic; }; }; zone "." IN { type hint; file "named.ca"; }; include "/etc/named.rfc1912.zones"; include "/etc/named.root.key"; zone "mydomain.com"{ type master; file "/var/named/data/named.mydomain.com"; allow-update { none; }; };` AND The content of "/var/named/data/named.mydomain.com": $TTL 38400 mydomain.com. IN SOA ns1.mydomain.com. milad.yahoo.com. ( 2012101201 ; serial number YYMMDDNN 28800 ; Refresh 7200 ; Retry 864000 ; Expire 38400 ; Min TTL ) mydomain.com. IN A 1.2.3.4 www IN A 1.2.3.4 ns1.mydomain.com. IN A 1.2.3.4 ns2.mydomain.com. IN A 1.2.3.4 mydomain.com. IN NS ns1.mydomain.com. mydomain.com. IN NS ns2.mydomain.com. AND i'm sure the named service is running: [root@server ~]# service named status version: 9.8.2rc1-RedHat-9.8.2-0.10.rc1.el6_3.3 CPUs found: 8 worker threads: 8 number of zones: 20 debug level: 0 xfers running: 0 xfers deferred: 0 soa queries in progress: 0 query logging is OFF recursive clients: 0/0/1000 tcp clients: 0/100 server is up and running named (pid 26299) is running... Thanks for your answers. i know that the ping is not the job of bind, i use it just to check whether domain is pointed to host or not.(ping is open in my server as i got reply in pinging ip) i use network-tools.com to ping domain. here the output of dig utility: dig mydomain.com ; <<>> DiG 9.8.2rc1-RedHat-9.8.2-0.10.rc1.el6_3.3 <<>> mydomain.com ;; global options: +cmd ;; Got answer: ;; ->>HEADER<<- opcode: QUERY, status: SERVFAIL, id: 6806 ;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 0, ADDITIONAL: 0 ;; QUESTION SECTION: ;mydomain.com. IN A ;; Query time: 321 msec ;; SERVER: 5.6.7.8#53(5.6.7.8)##note that 5.6.7.8 is my idc dns ip ;; WHEN: Sun Oct 14 23:53:47 2012

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  • Permanently mount multiple directories from different disks under /

    - by piotrek
    I have SSD and HDD. Some directories like /var, /srv and /tmp should be on HDD, while /boot, /usr and /lib on SSD. But do I have to create separate partition for every single directory? I want to have 2 or so partitions. One for each disk and distribute directories as needed. Is it possible and how? I've heard about symlinks, mount --bind, mhddfs but: symlinks are treated differently by tools like cp, so I'm not sure if it's safe to have main system directories symlinked I have no idea how can I use mount --bind or mhddfs in fstab

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  • Broken fonts in konsole kde 4.3.4

    - by depesz
    I have strange situation - after some upgrade couple of days ago fonts in KDE konsole broke. To make it more specific - standard fonts look more or less ok, but when I use my national characters (like acelnsózz) they all look broken - like from another font, or badly scaled. The same problem doesn't exist in gnome-terminal. I usually use Terminus font, so I used this for demonstration, but it shows in other fonts as well - if that will be necessary I will provide list. Konsole shot: gnome-terminal shot: As for my settings: =$ cat /etc/X11/xorg.conf Section "Device" Identifier "Builtin Default intel Device 0" Driver "intel" EndSection Section "Monitor" Identifier "Monitor0" VendorName "Monitor Vendor" ModelName "Monitor Model" EndSection Section "Screen" Identifier "Builtin Default intel Screen 0" Device "Builtin Default intel Device 0" Monitor "Monitor0" EndSection Section "InputDevice" Identifier "touchpad" Driver "synaptics" Option "CorePointer" EndSection Section "ServerLayout" Identifier "Builtin Default Layout" Screen "Builtin Default intel Screen 0" InputDevice "touchpad" EndSection =$ xdpyinfo | grep -E resolution\|dimensions dimensions: 1680x1050 pixels (444x277 millimeters) resolution: 96x96 dots per inch I tried forcing DPI in system settings (to 120), or adding monitor size to xorg.conf - so far nothing helped. Any idea on what should I do to make it work sanely again?

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  • Can not boot CentOS VM using VirtIO in KVM

    - by Jake
    I converted qcow2 image to raw and changed I/O bus to VirtIO for a VM. now I can't boot that VM. I Installed VirtIO driver with following command: mkinitrd --with virtio_pci --with virtio_blk -f /boot/initrd-$(uname -r).img $(uname -r) and these are related kernel modules: virtio_balloon 11329 0 virtio_blk 11593 3 virtio_pci 11845 0 virtio_ring 8513 1 virtio_pci virtio 9541 3 virtio_balloon,virtio_blk,virtio_pci and this is what happens during boot-up. I also changed /boot/grub/device.map from "(hd0) /dev/sda" to "(hd0) /dev/vda" but problem still exists. any ideas how to fix this ? This is my default option to boot: title CentOS (2.6.18-308.13.1.el5) root (hd0,0) kernel /vmlinuz-2.6.18-308.13.1.el5 ro root=/dev/VolGroup00/LogVol00 initrd /initrd-2.6.18-308.13.1.el5.img

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  • How do you manage perl modules on a Debian system?

    - by nagul
    I'd like to know if you have a method for managing perl modules on your Debian system, with respect to the following: Installing new modules Listing of manually installed modules Checking dependencies, and uninstalling modules I have looked at this perlmonks article for background reading: What is the best way to install CPAN modules on Debian? I have previously installed perl modules using the CPAN module. I have also used dh-make-perl in some cases, when following instructions to build other packages that had perl dependencies. I'd like to institute a coherent policy on my machine so I can better manage how and where the modules are installed, and reduce the chance of breaking perl on my system. I would strongly like a system where I can detect and uninstall modules that are no longer being used.

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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 upgrade XMBC Live from 9.04.1 to 9.11?

    - by sunpech
    I've been unable to do a fresh install of XBMC Live 9.11 to my hard drive. Everytime it fails at the Install System step. But I am able to get XBMC Live 9.04.1 to install successfully. How do I upgrade XBMC Live 9.04.1 to 9.11? I understand that Ctrl+Shift+F2 brings up the command line, but what are the next set of commands to run?

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  • Use AssignUserId as variable in Apache MPM ITK

    - by Robert Hanson
    I heard that the MPM-ITK module for Apache can change Apache server's behaviour to access some folder / file using the UID or GID from the default UID (www-data) into a given UID on the configuration. For example: <IfModule mpm_itk_module> AssignUserId user group </IfModule> Is it possible to make the username and group a variable? I want to make Apache access the /home folder as its owner. For example /home/me can only be accessed by the user me, while /home/you can only be accessed you.

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  • Command-line way to send keystrokes to a window open on a different X-session

    - by Sanjay Manohar
    I have a Ubuntu desktop open and logged on, on my main machine. I am then also logging in to this machine from a remote computer, using X2go which creates a new X-session. I have a libreoffice file open on the original session. I want to save this file and close it - but from the remote machine! (Both sessions have same user logged in; I can sudo if needed) I have tried using xdotool search but this fails to find the window. Is there a way to do what I want from this second session? I can see the process with ps -A I can even see the open file with lsof! How can I do a "save-and-close" on it?

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  • Can't figure out why hard drive is full [closed]

    - by Belgin Fish
    Possible Duplicate: How do I find out what is using up all the space on my / partition? No Free disk space so I have 2 hard drives in my server, one main one that is 10gb and then a separate one that is 2tb I'm storing all the files on the second one and the df -h output looks like this Filesystem Size Used Avail Use% Mounted on /dev/sda2 9.2G 8.8G 0 100% / tmpfs 1.5G 0 1.5G 0% /lib/init/rw udev 1.5G 148K 1.5G 1% /dev tmpfs 1.5G 0 1.5G 0% /dev/shm /dev/sda4 1.8T 747G 981G 44% /home /dev/sda4 1.8T 747G 981G 44% /usr/lib/cgi-bin I just can't figure out why the first one is full when all the files are being stored in the /usr/lib/cgi-bin I'm running debian I can't seem to find any files that would take up 8.8gb that arn't on the second hard drive :S Thanks!

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  • Configuring Apache for multiple clients

    - by Chris_K
    Last week I had a question here about suexec / suphp but I tried to accomplish too much. I'm going to narrow the scope a bit and try again. I'd like to configure a LAMP server to host multiple clients. I'd like it to seem (from the client's viewpoint) just like any other shared hosting environment. Web sites in their home directory, no need to muck around with file ownerships to get pages served, etc. It would seem that a configuration that involves suexec and suphp is the way to go(?) I'm specifically looking for a current/modern guide on how to accomplish this (I'll be using CentOS if it matters) and I'm afraid I need more than a link to Apache docs. Are there any good How-To's out there? The few I've found have been pretty out of date, but it is quite possible my search was weak.

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  • How to diagnose causes of oom-killer killing processes

    - by dunxd
    I have a small virtual private server running CentOS and www/mail/db, which has recently had a couple of incidents where the web server and ssh became unresponsive. Looking at the logs, I saw that oom-killer had killed these processes, possibly due to running out of memory and swap. Can anyone give me some pointers at how to diagnose what may have caused the most recent incident? Is it likely the first process killed? Where else should I be looking?

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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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  • Manage song metadata on CentOS from command line

    - by Puddingfox
    I am making a simple Pandora.com alternative for myself and a few friends where the user can upload his/her songs and listen to them anywhere. My intent is to make a lightweight, simple player in HTML5 so all the user needs is a current Firefox or Chrome to use it. I have set it up so that all uploaded songs get converted to .ogg and added to a database but I also want some metadata (not sure if that is the correct term) for the songs to be stored in the database so the player can tell the user what song he/she is listening too. I know there are several GUI tools for managing the title/artist/album info for songs but I'm having trouble finding any good ones I can use from the command line. If the song has the information already in the file, I think I can use mplayer to retrieve the information but it would be really great if there was one that would look up the song information online. I don't mind interfacing with an API (would be pretty interesting actually). Do you guys have any suggestions?

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  • Why create many partitions?

    - by ryeguy
    I have noticed that when installing Ubuntu some people create multiple partitions for directories. Like one for root, one for home, one for boot. What is the advantage to doing this over installing them all on one partition, assuming there is only one hard drive?

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  • How to copy directories using debugfs?

    - by STM
    The debugfs manpage gives the impression that the command 'rdump . .' will recursively copy all files found on the specified filesystem from the debugfs cwd to the native filesystem's cwd. Instead I seem to receive a syntax error, and no copy is initiated? These are the commands I run: cd /path/to/transfer/destination debugfs /dev/sda1 -R rdump . . My task is to copy the entire contents of a clean yet unmountable USB storage device to its host machine's HD. The host machine does not support the inode size used by the USB device's filesystem (256) and its software is not upgradeable, so my intention was to use debugfs to transfer the files. If anyone has any other suggestions for this task I'd be grateful.

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  • Motherboard/PSU crippling USB and Sata

    - by celebdor
    I very recently bought a new desktop computer. The motherboard is: Z77MX-D3H and the power supply is ocz zs series 550w. The issue I have is that once I boot to the operating system (I have tried with fedora and Ubuntu with kernels 2.6.38 - 3.4.0), my hard drive (2.5" Magnetic) occasionally makes a power switch noise and it resets. Needless to say, when this drive is the OS drive, the OS crashes. I also have a SSD that works fine with the same OS configurations, but if I have the magnetic hard drive attached as second drive, it works erratically and the reconnects result in corrupted data. I also noticed that whenever I plug an external hard drive USB2.0 or USB3.0 to the computer the issue with the reconnects is even worse: [ 52.198441] sd 7:0:0:0: [sdc] Spinning up disk... [ 57.955811] usb 4-3: USB disconnect, device number 3 [ 58.023687] .ready [ 58.023914] sd 7:0:0:0: [sdc] READ CAPACITY(16) failed [ 58.023919] sd 7:0:0:0: [sdc] Result: hostbyte=DID_NO_CONNECT driverbyte=DRIVER_OK [ 58.023932] sd 7:0:0:0: [sdc] Sense not available. [ 58.024061] sd 7:0:0:0: [sdc] READ CAPACITY failed [ 58.024063] sd 7:0:0:0: [sdc] Result: hostbyte=DID_NO_CONNECT driverbyte=DRIVER_OK [ 58.024064] sd 7:0:0:0: [sdc] Sense not available. [ 58.024099] sd 7:0:0:0: [sdc] Write Protect is off [ 58.024101] sd 7:0:0:0: [sdc] Mode Sense: 00 00 00 00 [ 58.024135] sd 7:0:0:0: [sdc] Asking for cache data failed [ 58.024137] sd 7:0:0:0: [sdc] Assuming drive cache: write through [ 58.024400] sd 7:0:0:0: [sdc] READ CAPACITY(16) failed [ 58.024402] sd 7:0:0:0: [sdc] Result: hostbyte=DID_NO_CONNECT driverbyte=DRIVER_OK [ 58.024405] sd 7:0:0:0: [sdc] Sense not available. [ 58.024448] sd 7:0:0:0: [sdc] READ CAPACITY failed [ 58.024450] sd 7:0:0:0: [sdc] Result: hostbyte=DID_NO_CONNECT driverbyte=DRIVER_OK [ 58.024451] sd 7:0:0:0: [sdc] Sense not available. [ 58.024469] sd 7:0:0:0: [sdc] Asking for cache data failed [ 58.024471] sd 7:0:0:0: [sdc] Assuming drive cache: write through [ 58.024472] sd 7:0:0:0: [sdc] Attached SCSI disk [ 58.407725] usb 4-3: new SuperSpeed USB device number 4 using xhci_hcd [ 58.424921] scsi8 : usb-storage 4-3:1.0 [ 59.424185] scsi 8:0:0:0: Direct-Access WD My Passport 0740 1003 PQ: 0 ANSI: 6 [ 59.424406] scsi 8:0:0:1: Enclosure WD SES Device 1003 PQ: 0 ANSI: 6 [ 59.425098] sd 8:0:0:0: Attached scsi generic sg2 type 0 [ 59.425176] ses 8:0:0:1: Attached Enclosure device [ 59.425248] ses 8:0:0:1: Attached scsi generic sg3 type 13 [ 61.845836] sd 8:0:0:0: [sdc] 976707584 512-byte logical blocks: (500 GB/465 GiB) [ 61.845838] sd 8:0:0:0: [sdc] 4096-byte physical blocks [ 61.846336] sd 8:0:0:0: [sdc] Write Protect is off [ 61.846338] sd 8:0:0:0: [sdc] Mode Sense: 47 00 10 08 [ 61.846718] sd 8:0:0:0: [sdc] No Caching mode page present [ 61.846720] sd 8:0:0:0: [sdc] Assuming drive cache: write through [ 61.848105] sd 8:0:0:0: [sdc] No Caching mode page present [ 61.848106] sd 8:0:0:0: [sdc] Assuming drive cache: write through [ 61.857147] sdc: sdc1 [ 61.858915] sd 8:0:0:0: [sdc] No Caching mode page present [ 61.858916] sd 8:0:0:0: [sdc] Assuming drive cache: write through [ 61.858918] sd 8:0:0:0: [sdc] Attached SCSI disk [ 69.875809] usb 4-3: USB disconnect, device number 4 [ 70.275816] usb 4-3: new SuperSpeed USB device number 5 using xhci_hcd [ 70.293063] scsi9 : usb-storage 4-3:1.0 [ 71.292257] scsi 9:0:0:0: Direct-Access WD My Passport 0740 1003 PQ: 0 ANSI: 6 [ 71.292505] scsi 9:0:0:1: Enclosure WD SES Device 1003 PQ: 0 ANSI: 6 [ 71.293527] sd 9:0:0:0: Attached scsi generic sg2 type 0 [ 71.293668] ses 9:0:0:1: Attached Enclosure device [ 71.293758] ses 9:0:0:1: Attached scsi generic sg3 type 13 [ 73.323804] usb 4-3: USB disconnect, device number 5 [ 101.868078] ses 9:0:0:1: Device offlined - not ready after error recovery [ 101.868124] ses 9:0:0:1: Failed to get diagnostic page 0x50000 [ 101.868131] ses 9:0:0:1: Failed to bind enclosure -19 [ 101.868288] sd 9:0:0:0: [sdc] READ CAPACITY(16) failed [ 101.868292] sd 9:0:0:0: [sdc] Result: hostbyte=DID_NO_CONNECT driverbyte=DRIVER_OK [ 101.868296] sd 9:0:0:0: [sdc] Sense not available. [ 101.868428] sd 9:0:0:0: [sdc] READ CAPACITY failed [ 101.868434] sd 9:0:0:0: [sdc] Result: hostbyte=DID_NO_CONNECT driverbyte=DRIVER_OK [ 101.868439] sd 9:0:0:0: [sdc] Sense not available. [ 101.868468] sd 9:0:0:0: [sdc] Write Protect is off [ 101.868473] sd 9:0:0:0: [sdc] Mode Sense: 00 00 00 00 [ 101.868580] sd 9:0:0:0: [sdc] Asking for cache data failed [ 101.868584] sd 9:0:0:0: [sdc] Assuming drive cache: write through [ 101.868845] sd 9:0:0:0: [sdc] READ CAPACITY(16) failed [ 101.868849] sd 9:0:0:0: [sdc] Result: hostbyte=DID_NO_CONNECT driverbyte=DRIVER_OK [ 101.868854] sd 9:0:0:0: [sdc] Sense not available. [ 101.868894] sd 9:0:0:0: [sdc] READ CAPACITY failed [ 101.868898] sd 9:0:0:0: [sdc] Result: hostbyte=DID_NO_CONNECT driverbyte=DRIVER_OK [ 101.868903] sd 9:0:0:0: [sdc] Sense not available. [ 101.868961] sd 9:0:0:0: [sdc] Asking for cache data failed [ 101.868966] sd 9:0:0:0: [sdc] Assuming drive cache: write through [ 101.868969] sd 9:0:0:0: [sdc] Attached SCSI disk Now, if I plug the same drive to the powered usb 2.0 hub of my monitor, the issue is not reproduced (at least on a 20h long operation). Also the issue of the usb reconnects is less frequent if the hard drive is plugged before I switch on the computer. Does anybody have some advice as to what I could do? Which is the faulty part/s that I should replace? As for me, I really don't know if to point my finger to the PSU or the Motherboard (I have updated to the latest firmware and checked the BIOS settings several times). EDIT: The reconnects are happening both in the Sata connected drives and the USBX connected drives.

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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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  • Error when starting qpidd as a service

    - by Sparks
    I have recently swapped from CENTOS 5 to FEDORA 17. Previously I have created my own init.d scripts successfully (albeit not for qpidd) however, in FEDORA I cannot get it to work. I have created the following script (called qpidd) in the init.d directory: #!/bin/bash # # /etc/rc.d/init.d/qpidd # # QPID/AMQP Broker scripts # # # chkconfig: 2345 20 80 # description: QPID/AMQP Broker service # processname: qpidd # pidfile: /var/lock/subsys/qpidd # Source function library. . /etc/init.d/functions SERVICENAME=qpidd start() { echo -n "Starting $SERVICENAME: " daemon qpidd -d & retval=$? touch /var/lock/subsys/$SERVICENAME return $retval } stop() { echo -n "Shutting down $SERVICENAME: " qpidd -q & retval=$? rm -f /var/lock/subsys/$SERVICENAME return $retval } case "$1" in start) start ;; stop) stop ;; status) status qpidd ;; restart) stop start ;; condrestart) [ -f /var/lock/subsys/<service> ] && restart || : ;; *) echo "Usage: $SERVICENAME {start|stop|status|restart" exit 1 ;; esac exit $? After this, I ran chkconfig --add qpidd, however, now when I run sudo service qpidd start I get the following message: Starting qpidd (via systemctl): Job failed. See system journal and 'systemctl status' for details. If I then run systemctl status qpidd I get the following message: Failed to issue method call: Unit name qpidd is not valid. I am now lost, I have search the web and Stack Overflow but cannot find anybody with similar problem, any help or direction to a website that can help would be much appreciated Sparks :)

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  • zabbix monitoring mysql database

    - by krisdigitx
    I have a server running multiple instances of mysql and also has the zabbix-agent running. In zabbix_agentd.conf i have specified: UserParameter=multi.mysql[*],mysqladmin --socket=$1 -uzabbixagent extended-status 2>/dev/null | awk '/ $3 /{print $$4}' where $1 is the socket instance. From the zabbix server i can run the test successfully. zabbix_get -s ip_of_server -k multi.mysql[/var/lib/mysql/mysql2.sock] and it returns all the values However the zabbix item/trigger does not generate the graphs, I have created a MACRO for $1 which is the socket location {$MYSQL_SOCKET1} = '/var/lib/mysql/mysql2.sock' and i use this key in items to poll the value multi.mysql[{$MYSQL_SOCKET1},Bytes_sent] LOGS: this is what i get on the logs: 3360:20120214:144716.278 item [multi.mysql['/var/lib/mysql/mysql2.sock',Bytes_received]] error: Special characters '\'"`*?[]{}~$!&;()<>|#@' are not allowed in the parameters 3360:20120214:144716.372 item [multi.mysql['/var/lib/mysql/mysql2.sock',Bytes_sent]] error: Special characters '\'"`*?[]{}~$!&;()<>|#@' are not allowed in the parameters Any ideas where the problem could be? FIXED {$MYSQL_SOCKET1} = /var/lib/mysql/mysql2.sock i removed the single quotes from the line and it worked...

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