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• Iframe pages on Facebook does not show in Internet Explorer 9 - Windows 7 64-bit

  - by Morten

  Have this very irritating problem with Internet Explorer 9 and Facebook. If I go to Facebook and watch a page with iframes (like IFBML pages) it will not show up in Internet Explorer 9. It shows up in Firefox 4 and Chrome 10, but not in Internet Explorer 9. I run Windows 7 64-bit SP1 (danish). The strange thing is that I own three different PC´s and they all run Windows 64-bit SP1 and all of them has this issue. Can´t figure out what causes this issue. I have tried the following: Uninstalled AVG antivirus and installed Microsoft Antivirus - no change Updated Windows with SP1 - no change Updated from Internet Explorer 9 beta to Internet Explorer 9 final Ed. - no change Emptied cache and temp files in Internet Explorer 9 - no change Made www.facebook.com a trusted site in Internet Explorer 9 - no change And a lot of other things I can not remember I guess....but nothing seems to work. As I´m using quite a lot of my working time developing Facebook Fanpages it is frustrating not to be able to test them in Internet Explorer 9. BTW - it is Internet Explorer 9 32-bit - not 64-bit. Any clues?

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• Cannot Resolve Host Or Access Website Through Router

  - by Boris_yo

  This is weird. I am on Windows XP with Edimax BR 6204Wg. I have 3 devices - 2 laptops and 1 smartphone. 1st laptop and smartphone are connected through WiFi to router and 2nd laptop is connected through LAN to router. Before firmware upgrade i did not try to access website but after firmware upgrade to latest version: http://www.edimax.eu/en/support_detail.php?pd_id=11&pl1_id=3#02 i had problems resolving host, pinging, tracerting and accessing website. Sometimes ping and tracert work but i cannot access website and sometimes i can access website but ping and tracert do not work. Weird? I downgraded to previous version and no changes. If i can no longer access that website through Internet Explorer, i can access it in Firefox. I tried deleting cookies, clearing cache and that seem not make difference. Switching LAN port did not make difference. When i disconnect router and connect laptop through LAN to internet modem, everything is normal. I tried resetting router, resetting to factory default settings and all did not help. At the moment i can access website on laptop connected through LAN from Firefox and Internet Explorer, but on my smartphone i can access website only with Opera but not with built-in browser and Skyfire. UPDATE: I just could only access with Internet Explorer but not with other browsers on my PC. Minutes later i could access with all browsers. But on smartphone i could only access with Opera and not with other browsers. I am confused. I also determined that sometimes i can access and sometimes can't. What is also weird is that when ping and tracert cannot resolve host, i still am able to access website.

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• Getting file not found error with pdebuild

  - by user35042

  I am attempting to build a Debian package using pdebuild on my main development server (running Debian wheezy). Here is the command I run: pdebuild --pbuilder cowbuilder --buildresult .. \ --debbuildopts -i -- \ --basepath /var/cache/pbuilder/base-wheezy.cow \ --distribution wheezy --configfile /etc/pbuilder/wheezy This works on other servers, but on one server I get this output: I: using cowbuilder as pbuilder dpkg-buildpackage: source package libexample-orange-util-perl dpkg-buildpackage: source version 0.08 dpkg-buildpackage: source changed by John User <[email protected]> dpkg-source -i --before-build libexample-orange-util-perl fakeroot debian/rules clean dh clean dh_testdir dh_auto_clean dh_clean dpkg-source -i -b libexample-orange-util-perl dpkg-source: info: using source format `3.0 (native)' dpkg-source: info: building libexample-orange-util-perl in libexample-orange-util-perl_0.08.tar.gz dpkg-source: info: building libexample-orange-util-perl in libexample-orange-util-perl_0.08.dsc dpkg-genchanges -S >../libexample-orange-util-perl_0.08_source.changes dpkg-genchanges: including full source code in upload dpkg-source -i --after-build libexample-orange-util-perl dpkg-buildpackage: source only upload: Debian-native package File not found: ../libexample-orange-util-perl_0.08.dsc There is no file ../libexample-orange-util-perl_0.08.dsc, but on other build servers no such file is needed (it gets created by the package build). What is causing this "file not found" error?

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• Hiera datatypes wont load in Puppet

  - by Cole Shores

  I have spent a couple of days on this, followed the instructions on http://downloads.puppetlabs.com/docs/puppetmanual.pdf and even the Puppet Training Advanced Puppet manual. When I run a test against it, the results always come back as 'nil' and Im not sure why. I am running Puppet 3.6.1 Community Edition, with Hiera 1.2.1 on SLES 11. My puppet.conf file at /etc/puppet/puppet.conf consists of: [main] # The Puppet log directory. # The default value is '$vardir/log'. logdir = /var/log/puppet # Where Puppet PID files are kept. # The default value is '$vardir/run'. rundir = /var/run/puppet # Where SSL certificates are kept. # The default value is '$confdir/ssl'. ssldir = $vardir/ssl certificate_revocation = false [master] hiera_config=/etc/puppet/hiera.yaml reporturl = http://puppet2.vvmedia.com/reports/upload ssl_client_header = SSL_CLIENT_S_DN ssl_client_verify_header = SSL_CLIENT_VERIFY # certname = dev-puppetmaster2.vvmedia.com # ca_name = 'dev-puppetmaster2.vvmedia.com' # facts_terminus = rest # inventory_server = localhost # ca = false [agent] # The file in which puppetd stores a list of the classes # associated with the retrieved configuratiion. Can be loaded in # the separate ``puppet`` executable using the ``--loadclasses`` # option. # The default value is '$confdir/classes.txt'. classfile = $vardir/classes.txt # Where puppetd caches the local configuration. An # extension indicating the cache format is added automatically. # The default value is '$confdir/localconfig'. localconfig = $vardir/localconfig my /etc/puppet/hiera.yaml consists of: :backends: yaml :yaml: :datadir: /etc/puppet/hieradata :hierarchy: - common - database I have a directory created in /etc/puppet/hieradata and within it contains: /etc/puppet/hieradata/common.yaml :nameserver: ["dnsserverfoo1", "dnsserverfoo2"] :smtp_server: relay.internalfoo.com :syslog_server: syslogfoo.com :logstash_shipper: logstashfoo.com :syslog_backup_nfs: nfsfoo:/vol/logs :auth_method: ldap :manage_root: true and /etc/puppet/hieradata/database.yaml :enable_graphital: true :mysql_server_package: MySQL-server :mysql_client_package: MySQL-client :allowed_groups_login: extranet_users does anyone have any idea what could be causing Hiera to not load the requested values? I have tried even restarting the Master. Thanks in advance, Cole

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• load average in top and procs in vmstat

  - by Mingfei.hua

  As far as I know, the load average in top is the numbers of precess(threads) in running or uninterrupted sleep status, So it should be equal to (procs-r +1 )+ procs-b in vmstat, but in practice, this two number always have big gap. Any wrongs in my understanding, appreciate so much if some guys give me some guide. top - 05:34:50 up 1 day, 20:56, 5 users, load average: 2.83, 2.67, 1.62 Tasks: 79 total, 1 running, 78 sleeping, 0 stopped, 0 zombie Cpu(s): 6.8%us, 1.8%sy, 0.0%ni, 91.0%id, 0.0%wa, 0.0%hi, 0.0%si, 0.4%st Mem: 1758000k total, 582636k used, 1175364k free, 103932k buffers Swap: 917500k total, 0k used, 917500k free, 180868k cached procs -----------memory---------- ---swap-- -----io---- --system-- -----cpu----- r b swpd free buff cache si so bi bo in cs us sy id wa st 0 0 0 1182524 103784 180860 0 0 1 9 6 53 7 2 91 0 0 0 0 0 1182524 103784 180860 0 0 0 36 70 117 0 0 100 0 0 0 0 0 1182516 103784 180860 0 0 0 0 73 132 0 1 100 0 0 0 0 0 1182516 103784 180860 0 0 0 0 60 127 0 0 100 0 0 1 0 0 1182516 103784 180860 0 0 0 0 62 102 0 0 100 0 0 0 0 0 1182628 103784 180860 0 0 0 0 289 238 1 2 97 0 0 2 0 0 1152160 103784 180892 0 0 0 8 1481 2371 54 12 34 0 0 1 0 0 1182192 103784 180860 0 0 0 0 681 834 19 4 78 0 0 0 0 0 1182200 103784 180860 0 0 0 0 80 147 0 1 100 0 0 0 0 0 1182200 103784 180860 0 0 0 0 53 107 0 0 100 0 0 0 0 0 1182208 103788 180856 0 0 0 72 64 123 0 0 100 1 0

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• Redis as substitution for Memcache

  - by Boban P.

  We have distributed web app, and for now, as session handler, we use two separate instances of memcache in redundancy, so everything that is written in one memcache is also written in other. Memcache is fairly easy to install, use, and maintain but we have one problem: if one memcache fail, everything is fine, php comunicate with other instance which has all data (although, half of connections have a delay because they try to use failed one, wait a little, and then contact other memcache). When failed instance comes back to life again, it starts up empty. If established session request data from that instance, session fails, and user logs out, and that happens to half of users.So, we are thinking about to switch to redis for session handling, and maybe keep memcache for cache only. My questions are: If we setup redis instances as master-slave, and if master fails, can sentinel promote slave as new master and when old master comes back to life, will it stay as slave or not? Is redis call malloc at startup to allocate part of memory, like memcache or varnish, or it calls malloc for every key inserted? And what are pros and cons of that?

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• Is there a command like pstree for libraries?

  - by flashnode

  I need to determine whether a library named libunaSA.so is being called directly by the process or by another library called libtoki2.so. I guess what I'm looking for is a pstree for libraries. The system is running RHEL 5.3 Beta. This output shows the two libraries in the process map # grep -e toki -e una /proc/2335/maps 0043f000-004ad000 r-xp 00000000 08:02 543465 /usr/lib/libtoki2.so 004ad000-004c5000 rwxp 0006d000 08:02 543465 /usr/lib/libtoki2.so 01185000-01397000 r-xp 00000000 08:02 543503 /usr/lib/libunaSA.so 01397000-013dc000 rwxp 00211000 08:02 543503 /usr/lib/libunaSA.so This output shows that only the libtoki2.so library is in the current cache # ldconfig -p | grep -e una -e toki libtoki2.so (libc6) => /usr/lib/libtoki2.so libtoki.so.4.4.1 (libc6) => /usr/lib/libtoki.so.4.4.1 libtoki.so.2 (libc6) => /usr/lib/libtoki.so.2 I attached strace to the running process but it doesn't provide much output # strace -p 2335 Process 2335 attached - interrupt to quit futex(0xb7ef5bd8, FUTEX_WAIT, 2336, NULL Here's the output to ldd for each library # ldd /usr/lib/libtoki2.so linux-gate.so.1 => (0x00a0a000) libdl.so.2 => /lib/libdl.so.2 (0x001bd000) libstdc++-libc6.2-2.so.3 => /usr/lib/libstdc++-libc6.2-2.so.3 (0x00f3f000) libm.so.6 => /lib/libm.so.6 (0x00b27000) libc.so.6 => /lib/libc.so.6 (0x0043d000) /lib/ld-linux.so.2 (0x00742000) libgcc_s.so.1 => /lib/libgcc_s.so.1 (0x00110000) # ldd /usr/lib/libunaSA.so linux-gate.so.1 => (0x00244000) libpthread.so.0 => /lib/libpthread.so.0 (0x00baf000) libdl.so.2 => /lib/libdl.so.2 (0x007fa000) libstdc++-libc6.2-2.so.3 => /usr/lib/libstdc++-libc6.2-2.so.3 (0x009ce000) libm.so.6 => /lib/libm.so.6 (0x00c96000) libc.so.6 => /lib/libc.so.6 (0x004a2000) /lib/ld-linux.so.2 (0x00742000) libgcc_s.so.1 => /lib/libgcc_s.so.1 (0x00a9f000)

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• RAM being displayed is lesser than the actual in my Windows 7

  - by Prateek Somani

  I am using Windows 7 and Ubuntu on the same machine. Earlier I had 3 GB of RAM,but now the Windows is displaying just 1 GB of RAM. Please also find the output of the free command in my Ubuntu : total used free shared buffers cached Mem: 1008208 904808 103400 5736 13516 239596 -/+ buffers/cache: 651696 356512 Swap: 3127292 10252 3117040 Has the swap memory consumed my 2 GB of RAM? Will I be able to use the whole of 3GB of the RAM in my Windows? Regards, Prateek Update : I tried to run the lshw command and I got the following output : *-memory description: System Memory physical id: 1b slot: System board or motherboard size: 1GiB *-bank:0 description: SODIMM DDR3 Synchronous 1067 MHz (0.9 ns) product: HMT112S6BFR6C-H9 vendor: Hynix physical id: 0 serial: 2C71D069 slot: Bottom - Slot 1 size: 1GiB width: 64 bits clock: 1067MHz (0.9ns) *-bank:1 description: SODIMM DDR3 Synchronous 1067 MHz (0.9 ns) [empty] product: 16JSF25664HZ-1G4F1 vendor: Micron physical id: 1 serial: FD421821 slot: Bottom - Slot 2 width: 64 bits clock: 1067MHz (0.9ns) Why it is able to detect the vendor/product name of the bank-1 RAM, why can't it detect the RAM size and other details ? Has my RAM got faulty?

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• My linux server "Number of processes created" and "Context switches" are growing incredibly fast

  - by Jorge Fuentes González

  I have a strange behaviour in my server :-/. Is a OpenVZ VPS (I think is OpenVZ, because /proc/user_beancounters exists and df -h returns /dev/simfs drive. Also ifconfig returns venet0). When I do cat /proc/stat, I can see how each second about 50-100 processes are created and happens about 800k-1200k context switches! All that info is with the server completely idle, no traffic nor programs running. Top shows 0 load average and 100% idle CPU. I've closed all non-needed services (httpd, mysqld, sendmail, nagios, named...) and the problem still happens. I do ps -ALf each second too and I don't see any changes, only a new ps process is created each time and the PID is just the same as before + 1, so new processes are not created, so I thought that process growing in cat /proc/stat must be threads (Yes, seems that processes in /proc/stat counts threads creation too as this states: http://webcache.googleusercontent.com/search?q=cache:8NLgzKEzHQQJ:www.linuxhowtos.org/System/procstat.htm&hl=es&tbo=d&gl=es&strip=1). I've changed to /proc dir and done cat [PID]\status with all PIDs listed with ls (Including kernel ones) and in any process voluntary_ctxt_switches nor nonvoluntary_ctxt_switches are growing at the same speed as cat /proc/stat does (just a few tens/second), Threads keeps the same also. I've done strace -p PID to all process too so I can see if any process is crating threads or something but the only process that has a bit of movement is ssh and that movement is read/write operations because of the data is sending to my terminal. After that, I've done vmstat -s and saw that forks is growing at the same speed processes in /proc/stat does. As http://linux.die.net/man/2/fork says, each fork() creates a new PID but my server PID is not growing! The last thing I can think of is that all process data that proc/stat and vmstat -s show is shared with all the other VPS stored in the same machine, but I don't know if that is correct... If someone can throw some light on this I would be really grateful.

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• 100% iowait + drive faults in dmesg

  - by w00t

  Hi, I have a server on which resides a fairly visited web app. It has a raid1 of 2 HDDs, 64MB Buffer, 7200 RPM. Today it started throwing out errors like: kernel: ata2.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x6 frozen kernel: ata2.00: cmd b0/d0:01:00:4f:c2/00:00:00:00:00/00 tag 0 pio 512 in kernel: res 40/00:00:00:4f:c2/00:00:00:00:00/00 Emask 0x4 (timeout) kernel: ata2.00: status: { DRDY } kernel: ata2: hard resetting link kernel: ata2: SATA link up 3.0 Gbps (SStatus 123 SControl 300) kernel: ata2.00: max_sectors limited to 256 for NCQ kernel: ata2.00: max_sectors limited to 256 for NCQ kernel: ata2.00: configured for UDMA/133 kernel: sd 1:0:0:0: timing out command, waited 7s kernel: ata2: EH complete kernel: SCSI device sda: 976773168 512-byte hdwr sectors (500108 MB) kernel: sda: Write Protect is off kernel: SCSI device sda: drive cache: write back All day long it has been in load higher than 10-15. I am monitoring it with atop and it gives some bizarre readings: DSK | sda | busy 100% | read 2 | write 208 | KiB/r 16 | KiB/w 32 | MBr/s 0.00 | MBw/s 0.65 | avq 86.17 | avio 47.6 ms | DSK | sdb | busy 1% | read 10 | write 117 | KiB/r 17 | KiB/w 5 | MBr/s 0.02 | MBw/s 0.07 | avq 4.86 | avio 1.04 ms | I frankly don't understand why only sda is taking all the hit. I do have one process that is constantly writing with 1-2megs but what the hell.. 100% iowait?

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• Ubuntu upgrade process failed

  - by Spin0us

  I tried to dist-upgrade my ubuntu server on my percona cluster but it failed with this message The following packages have unmet dependencies: libmysqlclient18 : Depends: libmariadbclient18 (= 5.5.33a+maria-1~precise) but it is not installable And here is the package listing # dpkg --list | grep -E 'percona|mysql' ii libdbd-mysql-perl 4.020-1build2 Perl5 database interface to the MySQL database iU libmysqlclient18 5.5.33a+maria-1~precise Virtual package to satisfy external depends ii mariadb-common 5.5.33a+maria-1~precise MariaDB database common files (e.g. /etc/mysql/conf.d/mariadb.cnf) ii percona-xtrabackup 2.1.5-680-1.precise Open source backup tool for InnoDB and XtraDB ii percona-xtradb-cluster-client-5.5 5.5.31-23.7.5-438.precise Percona Server database client binaries ii percona-xtradb-cluster-common-5.5 5.5.33-23.7.6-496.precise Percona Server database common files (e.g. /etc/mysql/my.cnf) ii percona-xtradb-cluster-galera-2.x 157.precise Galera components of Percona XtraDB Cluster ii percona-xtradb-cluster-server-5.5 5.5.31-23.7.5-438.precise Percona Server database server binaries ii php5-mysql 5.3.10-1ubuntu3.8 MySQL module for php5 During the install of the server, mariadb and galera cluster have first been installed. Then removed to be replaced by percona XtraDBCluster. So i think this is the source of the problem. But how can i resolve this without reinstalling all ? UPDATE 1 # apt-cache policy libmariadbclient18 libmariadbclient18: Installed: (none) Candidate: (none) Version table: 5.5.32+maria-1~precise 0 100 /var/lib/dpkg/status

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• Why I cannot copy install.wim from Windows 7 ISO to USB (in linux env)

  - by fastreload

  I need to make a USB bootable disk of Windows 7 ISO. My USB is formatted to NTFS, ISO is not corrupt. I can copy install.wim elsewhere but I cannot copy it to USB. I even tried rsync. rsync error sources/install.wim rsync: writefd_unbuffered failed to write 4 bytes to socket [sender]: Broken pipe (32) rsync: write failed on "/media/52E866F5450158A4/sources/install.wim": Input/output error (5) rsync error: error in file IO (code 11) at receiver.c(322) [receiver=3.0.8] Stat for windows.vim File: `X15-65732 (2)/sources/install.wim' Size: 2188587580 Blocks: 4274600 IO Block: 4096 regular file Device: 801h/2049d Inode: 671984 Links: 1 Access: (0664/-rw-rw-r--) Uid: ( 1000/ umur) Gid: ( 1000/ umur) Access: 2011-10-17 22:59:54.754619736 +0300 Modify: 2009-07-14 12:26:40.000000000 +0300 Change: 2011-10-17 22:55:47.327358410 +0300 fdisk -l Disk /dev/sdd: 8103 MB, 8103395328 bytes 196 heads, 32 sectors/track, 2523 cylinders, total 15826944 sectors Units = sectors of 1 * 512 = 512 bytes Sector size (logical/physical): 512 bytes / 512 bytes I/O size (minimum/optimal): 512 bytes / 512 bytes Disk identifier: 0xc3072e18 Device Boot Start End Blocks Id System /dev/sdd1 * 32 15826943 7913456 7 HPFS/NTFS/exFAT hdparm -I /dev/sdd: SG_IO: bad/missing sense data, sb[]: 70 00 05 00 00 00 00 0a 00 00 00 00 20 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ATA device, with non-removable media Model Number: UF?F?A????U]r???U u??tF?f?`~ Serial Number: ?@??~| Firmware Revision: ????V? Media Serial Num: $I?vnladip raititnot baelErrrol aoidgn Media Manufacturer: o eparitgns syetmiM Standards: Used: unknown (minor revision code 0x0c75) Supported: 12 8 6 Likely used: 12 Configuration: Logical max current cylinders 17218 0 heads 0 0 sectors/track 128 0 -- Logical/Physical Sector size: 512 bytes device size with M = 1024*1024: 0 MBytes device size with M = 1000*1000: 0 MBytes cache/buffer size = unknown Capabilities: IORDY(may be)(cannot be disabled) Queue depth: 11 Standby timer values: spec'd by Vendor R/W multiple sector transfer: Max = 0 Current = ? Recommended acoustic management value: 254, current value: 62 DMA: not supported PIO: unknown * reserved 69[0] * reserved 69[1] * reserved 69[3] * reserved 69[4] * reserved 69[7] Security: Master password revision code = 60253 not supported not enabled not locked not frozen not expired: security count not supported: enhanced erase 71112min for SECURITY ERASE UNIT. 172min for ENHANCED SECURITY ERASE UNIT. Integrity word not set (found 0xaa55, expected 0x80a5)

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• SSD causing 100% CPU usage in Apache/PHP

  - by Tim Reynolds

  I wanted to increase the performance on my development laptop so I added an Intel 320 Series SSD as my primary drive. Everything is amazingly fast, as expected, except Apache/PHP. I develop Magento by using an Ubuntu 10.10 virtual machine. Information: Host OS: Win 7 Professional 64bit Guest OS: Ubuntu 10.10 32bit Processor: i7 Chipset QM55 SSD: Intel 320 Series 160gb 30% full HDD: Hitachi 320gb 50% full (in side bay using an adapter) Laptop: Lenovo T510 Using: Shared folders Apache Version: 2.2.16 PHP Version: 5.3.3-1 APC Version: 3.1.3p1 APC Memory: 128M Using tmpfs for cache, log, session directories in Magento In the VM running on the SSD (VM files and source files are on the same drive) loading a product page in the Admin takes on average 26.2 seconds and uses 100% CPU for nearly the entire time. In the VM running on the old HDD loading the same page takes on average 4.4 seconds. It mostly uses around 40-50% of the CPU while rendering the page. I have read this post: Performance issues when using SSD for a developer notebook (WAMP/LAMP stack)? It says to change some settings in the bios. I have turned any and all power management features off in the bios. I can't for the life of me understand why this would be happening.

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• RAID administration in Debian Lenny

  - by Siim K

  I've got an old box that I don't want to scrap yet because it's got a nice working 5-disk RAID assembly. I want to create 2 arrays: RAID 1 with 2 disks and RAID 5 with the other 3 disks. The RAID card is Intel SRCU31L. I can create the RAID 1 volume in the console that you access with Ctrl+C at startup. But it only allows for creation of one volume so I can't do anything with the 3 remaining disks. I installed Debian Lenny on the RAID 1 volume and it worked out nicely. What utilites could I now use to create/manage the RAID volumes in Debian Linux? I installed the raidutils package but get an error when trying to fetch a list: #raidutil -L controller or #raidutil -L physical # raidutil -L controller osdOpenEngine : 11/08/110-18:16:08 Fatal error, no active controller device files found. Engine connect failed: Open What could I try to get this thing working? Can you suggest any other tools? Command #lspci -vv gives me this about the controller: 00:06.1 I2O: Intel Corporation Integrated RAID (rev 02) (prog-if 01) Subsystem: Intel Corporation Device 0001 Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV+ VGASnoop- ParErr- Step ping- SERR+ FastB2B- DisINTx- Status: Cap+ 66MHz- UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort- <TAbort - <MAbort- >SERR- <PERR- INTx- Latency: 64, Cache Line Size: 32 bytes Interrupt: pin A routed to IRQ 26 Region 0: Memory at f9800000 (32-bit, prefetchable) [size=8M] [virtual] Expansion ROM at 30020000 [disabled] [size=64K] Capabilities: <access denied> Kernel driver in use: PCI_I2O Kernel modules: i2o_core

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• What are the biggest, best CPUs that support Physical Address Extension?

  - by Giffyguy

  I'm looking for a CPU that will support PAE and fit into an LGA775 socket. This combination of technology is very much preferred for my current server hardware/software setup. My priorities in order of highest to lowest: PAE & LGA775 At least 1066Mhz FSB Largest CPU cache possible Multiple Cores if possible HyperThreading if possible Most other factors are of little-to-no consequence. I'm finding it very difficult to figure out what my options are. Intel doesn't have much useful information on PAE (since x64 is so dominant), and Wikipedia simply says that "PAE is provided by Intel Pentium Pro (and above) CPUs - including all later Pentium-series processors except the 400 MHz bus versions of the Pentium M." All of Intel's listed Pentium CPU's support Intel64, which makes me seriously doubt they will support PAE with a 32-bit OS. And Wikipedia's claim is so vague, I have no idea if they mean up-to-and-including the x64 Prescott CPUs. PAE is supposed to be an aspect of the x86 architecture, and I believe it is no longer supported in an x64 environment. Please correct me if I am wrong.

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• can't load IA 32-bit .dll on a AMD 64 bit platform

  - by user101425

  I have a Windows 2003 64 bit terminal server which we run a Java application from. The application has always worked up until 2 days ago. No new updates have been installed to the server in that time frame. I have tried re-installing java 64 bit but still have the following error. Unexpected exception: java.lang.reflect.InvocationTargetException java.lang.reflect.InvocationTargetException at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) at java.lang.reflect.Method.invoke(Unknown Source) at com.sun.javaws.Launcher.executeApplication(Unknown Source) at com.sun.javaws.Launcher.executeMainClass(Unknown Source) at com.sun.javaws.Launcher.doLaunchApp(Unknown Source) at com.sun.javaws.Launcher.run(Unknown Source) at java.lang.Thread.run(Unknown Source) **Caused by: java.lang.UnsatisfiedLinkError: C:\Documents and Settings\administrator\Application Data\Sun\Java\Deployment\cache\6.0\19\625835d3-5826d302-n\swt-win32-3116.dll: Can't load IA 32-bit .dll on a AMD 64-bit platform** at java.lang.ClassLoader$NativeLibrary.load(Native Method) at java.lang.ClassLoader.loadLibrary0(Unknown Source) at java.lang.ClassLoader.loadLibrary(Unknown Source) at java.lang.Runtime.loadLibrary0(Unknown Source) at java.lang.System.loadLibrary(Unknown Source) at org.eclipse.swt.internal.Library.loadLibrary(Library.java:100) at org.eclipse.swt.internal.win32.OS.<clinit>(OS.java:18) at org.eclipse.swt.graphics.Device.init(Device.java:563) at org.eclipse.swt.widgets.Display.init(Display.java:1784) at org.eclipse.swt.graphics.Device.<init>(Device.java:99) at org.eclipse.swt.widgets.Display.<init>(Display.java:363) at org.eclipse.swt.widgets.Display.<init>(Display.java:359) at com.ko.StartKO.main(StartKO.java:57) ... 9 more

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• Windows 2008 R2 Servers Sending Arp Requests for IPs outside Subnet

  - by Kyle Brandt

  By running a packet capture on my my routers I see some of my servers sending ARP requests for IPs that exist outside of its network. For example if my network is: Network: 8.8.8.0/24 Gateway: 8.8.8.1 (MAC: 00:21:9b:aa:aa:aa) Example Server: 8.8.8.20 (MAC: 00:21:9b:bb:bb:bb) By running a capture on the interface that has 8.8.8.1 I see requests like: Sender Mac: 00:21:9b:bb:bb:bb Sender IP: 8.8.8.20 Target MAC: 00:21:9b:aa:aa:aa Target IP: 69.63.181.58 Anyone seen this behavior before? My understanding of ARP is that requests should only go out for IPs within the subnet... Am I confused in my understanding of ARP? If I am not confused, anyone seen this behavior? Also, these seem to happen in bursts and it doesn't happen when I do something like ping an IP outside of the network. Update: In response to Ian's questions. I am not running anything like Hyper-V. I have multiple interfaces but only one is active (Using BACS failover teaming). The subnet mask is 255.255.255.0 (Even if it were something different it wouldn't explain an IP like 69.63.181.58). When I run MS Network Monitor or wireshark I do not see these ARP requests. What happens is that on the router capturing I see a burst of about 10 requests for IPs outside of the network from the host machine. On the machine itself using wireshark or NetMon I see a flood of ARP responses for all the machines on the network. However, I don't see any requests in the capture asking for those responses. So it seems like maybe it is maybe refreshing the arp cache but including IPs that outside of the network. Also when it does this NetMon doesn't show the ARP requests?

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• ssl port didnt work on nginx

  - by Jin Lin

  I set up the unicorn and nginx on one of my ec2 machine. and my request are loading ok with nginx listen to port 80. but when I enable it to ssl, which listen to port 443. It doesn't work. and it can still work with port 80, https. server { listen 443 ssl; # replace with your domain name server_name domain.com; # replace this with your static Sinatra app files, root + public root /home/ubuntu/domain/public; ssl on; ssl_certificate /etc/ssl/domain.crt; ssl_certificate_key /etc/ssl/domain.key; # maximum accepted body size of client request client_max_body_size 4G; # the server will close connections after this time keepalive_timeout 5; location ~ ^/assets/ { add_header ETag ""; gzip_static on; expires max; add_header Cache-Control public; } location / { proxy_set_header X-Forwarded-Proto https; try_files $uri @app; } location @app { proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for; proxy_set_header Host $http_host; proxy_redirect off; # pass to the upstream unicorn server mentioned above proxy_pass http://unicorn_server; } }

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• Cannot find FIS partition 'initramfs'......... need help!!!

  - by vikramtheone

  Hi Guys, I have a Ubuntu 9.04 Linux running on Freescale's i.MX515(ARM Cortex based) board with me. There were about 250 updates pending and I did that today, well some of the updates failed because of the infamous errors: E: dpkg was interrupted, you must manually run 'sudo dpkg --configure -a' to correct the problem. E: Couldn't rebuild package cache E: dpkg was interrupted, you must manually run 'sudo dpkg --configure -a' to correct the problem. So, when I do the 'sudo dpkg --configure -a' I get new errors related to FIS partition: Cannot find FIS partition 'initramfs' User postinst hook script [/usr/sbin/flash-kernel] exited with value 1 dpkg: error processing linux-image-2.6.28-18-imx51 (--configure): subprocess post-installation script returned error exit status 1 dpkg: dependency problems prevent configuration of linux-image-imx51: linux-image-imx51 depends on linux-image-2.6.28-18-imx51; however: Package linux-image-2.6.28-18-imx51 is not configured yet. dpkg: error processing linux-image-imx51 (--configure): dependency problems - leaving unconfigured dpkg: dependency problems prevent configuration of linux-imx51: linux-imx51 depends on linux-image-imx51 (= 2.6.28.18.23); however: Package linux-image-imx51 is not configured yet. dpkg: error processing linux-imx51 (--configure): dependency problems - leaving unconfigured Processing triggers for initramfs-tools ... update-initramfs: Generating /boot/initrd.img-2.6.28-18-imx51 Cannot find FIS partition 'initramfs' dpkg: subprocess post-installation script returned error exit status 1 Whats going wrong here, need help!!! I'm a newbie. Regards Vikram

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• Walkthrough/guide building aplication server for multi tenant web app [on hold]

  - by Khalid Adisendjaja

  The web app will detect a subdomain such as tenant1.app.com, tenant2.app.com, etc to identify tenant environment, each tenant environment will have a different database credential (port,db name,etc) but still connecting to the same database server. Each tenant should use app.com for their main domain, using their own domain is prohibitted. Each tenant will have their own rest api endpoint such as tenant1.app.com/api/v1/xxxx, tenant2.app.com/api/v1/xxxx, tenant3.app.com/api/v1/xxxx I've come to a simple solution by setting a wildcard subdomain (*.app.com) on webserver Apache/Nginx vhost configuration file. I have googled so many concept for building a multi-tenant app server but still don't understand how to really done it, what is the right way to do it and what is actually required to do this task. So I've come to this questions, Do I need a proxy server, dns masking, etc.. How to monitor each tenants activity What about server performance, load balancing, and scalability How to setup ssl certificate for each tenant what about application cache for each tenant Is it reliable to use the setup for production etc ... I have a very litte experience on server infrastructure, so I'm looking for a DIY walkthrough, step by step guide, or sophisticate solution ready to implemented for production

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• Cloudfront - How to invalidate objects in a distribution that was transformed from secured to public?

  - by Gil

  The setting I have an Amazon Cloudfront distribution that was originally set as secured. Objects in this distribution required a URL signing. For example, a valid URL used to be of the following format: https://d1stsppuecoabc.cloudfront.net/images/TheImage.jpg?Expires=1413119282&Signature=NLLRTVVmzyTEzhm-ugpRymi~nM2v97vxoZV5K9sCd4d7~PhgWINoTUVBElkWehIWqLMIAq0S2HWU9ak5XIwNN9B57mwWlsuOleB~XBN1A-5kzwLr7pSM5UzGn4zn6GRiH-qb2zEoE2Fz9MnD9Zc5nMoh2XXwawMvWG7EYInK1m~X9LXfDvNaOO5iY7xY4HyIS-Q~xYHWUnt0TgcHJ8cE9xrSiwP1qX3B8lEUtMkvVbyLw__&Key-Pair-Id=APKAI7F5R77FFNFWGABC The distribution points to an S3 bucket that also used to be secured (it only allowed access through the cloudfront). What happened At some point, the URL singing expired and would return a 403. Since we no longer need to keep the same security level, I recently changed the setting of the cloudfront distribution and of the S3 bucket it is pointing to, both to be public. I then tried to invalidate objects in this distribution. Invalidation did not throw any errors, however the invalidation did not seem to succeed. Requests to the same cloudfront URL (with or without the query string) still return 403. The response header looks like: HTTP/1.1 403 Forbidden Server: CloudFront Date: Mon, 18 Aug 2014 15:16:08 GMT Content-Type: text/xml Content-Length: 110 Connection: keep-alive X-Cache: Error from cloudfront Via: 1.1 3abf650c7bf73e47515000bddf3f04a0.cloudfront.net (CloudFront) X-Amz-Cf-Id: j1CszSXz0DO-IxFvHWyqkDSdO462LwkfLY0muRDrULU7zT_W4HuZ2B== Things I tried I tried to set another cloudfront distribution that points to the same S3 as origin server. Requests to the same object in the new distribution were successful. The question Did anyone encounter the same situation where a cloudfront URL that returns 403 cannot be invalidated? Is there any reason why wouldn't the object get invalidated? Thanks for your help!

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• FreeRADIUS Default Answer

  - by jinanwow

  We are using FreeRADIUS with a MySQL database, authenticating users. We ran into an issue where are MySQL database was slow causing the max number of threads to be reached. The issue with this is, when the server couldn't answer the requests as there were no threads avaiable, it sent the response of Access-Reject to the clients. Our devices cache client connections and periodically checks with the server to see if they should still be allowed or to remove them. The equipment is designed that if there is no response from the server and a client is connected it will remain connected. The issue is, when the radius server is at its max threads, its default answer is to send access-reject (verified via packet capture), however we would like to change the default behavior to just ignore the request (keeping the clients connected). We have fixed the MySQL database issue for now, but I would like to change the default from Access-Reject, to just ignore the client altogeather. I have done research, but not able to find an answer to the question. Thanks in Advance.

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• django : nginx : jquery css not being served

  - by PlanetUnknown

  I'm using apache+mod_wsgi for django. And all css/js/images are served through nginx. For some odd, reason when others/friends/colleagues try accessing the site, jquery/css is not getting loaded for them, hence the page looks jumbled up. My html files use code like this - <link rel="stylesheet" type="text/css" href="http://x.x.x.x:8000/css/custom.css"/> <script type="text/javascript" src="http://1x.x.x.x:8000/js/custom.js"></script> My nginx configuration in sites-available is like this - server { listen 8000; server_name localhost; access_log /var/log/nginx/aa8000.access.log; error_log /var/log/nginx/aa8000.error.log; location / { index index.html index.htm; } location /static/ { autoindex on; root /opt/aa/webroot/; } } There is a directory /opt/aa/webroot/static/ which have corresponding css & js directories. The odd thing is that the pages show fine when I access them. I have cleared my cache/etc, but the page loads fine for me, from various browsers. Also, I don't see any 404 any error in the nginx log files. Actually the logs for nginx are not getting refreshed at all. I restarted the nginx server using root, is that incorrect ? There is a user www-data defined in the nginx configuration file. Any pointers would be great.

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• setting up git on cygwin - openssl

  - by Pete Field

  I'm trying to get git running in cygwin on a windows 7 machine I have git unpacked and the directory git-1.7.1.1 when i run make install from within that directory, I get CC fast-import.o In file included from builtin.h:4, from fast-import.c:147: git-compat-util.h:136:19: iconv.h: No such file or directory git-compat-util.h:140:25: openssl/ssl.h: No such file or directory git-compat-util.h:141:25: openssl/err.h: No such file or directory In file included from builtin.h:6, from fast-import.c:147: cache.h:9:21: openssl/sha.h: No such file or directory In file included from fast-import.c:156: csum-file.h:10: error: parse error before "SHA_CTX" csum-file.h:10: warning: no semicolon at end of struct or union csum-file.h:15: error: 'crc32' redeclared as different kind of symbol /usr/include/zlib.h:1285: error: previous declaration of 'crc32' was here csum-file.h:15: error: 'crc32' redeclared as different kind of symbol /usr/include/zlib.h:1285: error: previous declaration of 'crc32' was here csum-file.h:17: error: parse error before '}' token fast-import.c: In function `store_object': fast-import.c:995: error: `SHA_CTX' undeclared (first use in this function) fast-import.c:995: error: (Each undeclared identifier is reported only once fast-import.c:995: error: for each function it appears in.) fast-import.c:995: error: parse error before "c" fast-import.c:1000: warning: implicit declaration of function `SHA1_Init' fast-import.c:1000: error: `c' undeclared (first use in this function) fast-import.c:1001: warning: implicit declaration of function `SHA1_Update' fast-import.c:1003: warning: implicit declaration of function `SHA1_Final' fast-import.c: At top level: fast-import.c:1118: error: parse error before "SHA_CTX" fast-import.c: In function `truncate_pack': fast-import.c:1120: error: `to' undeclared (first use in this function) fast-import.c:1126: error: dereferencing pointer to incomplete type fast-import.c:1127: error: dereferencing pointer to incomplete type fast-import.c:1128: error: dereferencing pointer to incomplete type fast-import.c:1128: error: `ctx' undeclared (first use in this function) fast-import.c: In function `stream_blob': fast-import.c:1140: error: `SHA_CTX' undeclared (first use in this function) fast-import.c:1140: error: parse error before "c" fast-import.c:1154: error: `pack_file_ctx' undeclared (first use in this functio n) fast-import.c:1154: error: dereferencing pointer to incomplete type fast-import.c:1160: error: `c' undeclared (first use in this function) make: *** [fast-import.o] Error 1 I'm guessing that most of these errors are due to the iconv.h and openssl files which apparently are missing, but I can't figure out how I'm supposed to install those (if I am), or if there is some other way to get around this.

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• Why does this preseed for gitolite fail?

  - by troutwine

  I'm installing gitolite on a Debian Squeeze box with the following preseed: gitolite gitolite/gituser string git gitolite gitolite/adminkey string ssh-rsa AAAAB3ECT gitolite gitolite/gitdir string /var/lib/git On installation: # debconf-set-selections /var/cache/debconf/gitolite.preseed # apt-get install gitolite Reading package lists... Done Building dependency tree Reading state information... Done Suggested packages: git-daemon-run gitweb The following NEW packages will be installed: gitolite 0 upgraded, 1 newly installed, 0 to remove and 26 not upgraded. Need to get 0 B/114 kB of archives. After this operation, 348 kB of additional disk space will be used. Preconfiguring packages ... Selecting previously deselected package gitolite. (Reading database ... 24715 files and directories currently installed.) Unpacking gitolite (from .../gitolite_1.5.4-2+squeeze1_all.deb) ... Setting up gitolite (1.5.4-2+squeeze1) ... adduser: The home dir must be an absolute path. dpkg: error processing gitolite (--configure): subprocess installed post-installation script returned error exit status 1 configured to not write apport reports Errors were encountered while processing: gitolite E: Sub-process /usr/bin/dpkg returned an error code (1) Why? The pre-seed was extracted from a manually configured installation, per here and exists without issue on another machine.

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