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  • scp -q isn't quiet between different hosts

    - by pythonic metaphor
    So scp -q file host:file and scp -q host:file file are both quiet, i.e. don't give the progress meter. But when I run scp -q host1:file host2:file, I still get the progress meter as well as a Connection to host1 closed. message. The progress meter can be gotten rid of by redirected stdout to /dev/null (although I'd rather not have to), but the connection closed messages comes on stderr, which I definitely want to keep in case there's a real error. How can I make scp quiet? Do I have to run ssh host1 "scp -q file host2:file"?

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  • Why do I have no TTY on a basic Ubuntu 9.10 server install?

    - by pr1001
    I have reinstalled Ubuntu 9.10 Server several times on a bog standard 1RU server and each time I finish the install and reboot I see GRUB run and am then presented with a black screen. The machine is running just fine, as I am able to SSH in, but I can't see anything on the attached monitor. I have a simple LCD screen connected via VGA and a signal is apparently being output to it, as it doesn't go asleep. Looking at /var/log/syslog I see: Mar 24 14:57:44 bridge5 rsyslogd-2039: Could no open output file '/dev/xconsole' [try http://www.rsyslog.com/e/2039 ] However, I later see: Mar 24 14:57:44 bridge5 kernel: [ 0.001368] console [tty0] enabled Any thoughts? Thanks!

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  • Xen Disk Performence Issues

    - by user98651
    I'm currently using Xen PV on CentOS 5 with my domU's as flat files running on a hardware RAID controlled (write cache enabled) formatted with XFS. On the dom0 I can get about 500MB/s in a 2GB dd write from /dev/zero however on the domU's I'm lucky if I get 10MB/s (it is usually around half that). I've tried changing the disk scheduling to NOOP on the domU's, changed some mount parameters and tweaked the performance allocations of both the dom0 (prioritize CPU) and domU's (increase RAM and VCPU allocations). None of these steps have produced any noticeable change in performance. My instinct here is that it is not a hardware problem, due to the solid performance of the dom0. Any ideas on what might be causing this problem? I'm considering moving to LVM based domU's.

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  • trouble connecting ups

    - by Jure1873
    I've got a riello UPS connected to my server through USB. The output from dmesg is: [1362998.520035] usb 2-2: new low speed USB device using uhci_hcd and address 7 [938715.763270] usb 2-2: configuration #1 chosen from 1 choice [1363008.726243] input: Ups Manufacturing RS232-USB converter as /class/input/input7 [1363008.749408] input: USB HID v1.00 Gamepad [Ups Manufacturing RS232-USB converter] on usb-0000:00:1d.0-2 Now the program for controlling the UPS is expecting me to input the device path (/dev/ttyUSB0), but it doesn't get created. What is /class/input/input7 and where is it? Do i have to install additional drivers?

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  • Can't open Paypal.com with Google Chrome

    - by grunwald2.0
    Currently I always get an error message (since one week!) trying to open the PayPal website with Google Chrome and I don't know why. FlashBlocker and AdBlockPlus are deactivated. v.20.0.1132.11 dev. Error message: <!DOCTYPE HTML PUBLIC "-//IETF//DTD HTML 2.0//EN"> <html><head> <title>400 Bad Request</title> </head><body> <h1>Bad Request</h1> **<p>Your browser sent a request that this server could not understand.<br /> Size of a request header field exceeds server limit.<br />** <pre> Cookie: Apache=10.190.8.170.1302997118916547; (cookie body removed due to privacy reasons) </pre> </p> </body></html>

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  • X58 RAID 10 - Am I forced to use Sata2?

    - by Avi
    I'm building a new dev computer. It will be running a few VMWare Worksation virtual machines. I was advised on Serverfault to use Raid10 for performance. Raid 10 uses 4 disks. I contacted my supplier who suggested a gigabyte X58A motherboard and 4 Western Digital Caviar black 6Gb/s disks. I have checked the spec for the X58A board, however, and it says: SATA 3Gb/s: RAID 0, RAID 1, RAID 5, and RAID 10 SATA 6Gb/s: RAID 0, and RAID 1. I'm losing half the bandwidth because I'm forced to use SATA2! What should I do?

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  • Lost Page Write I/O Errors on CentOS LVM setup

    - by Gregg Leventhal
    I have a CentOS 6 box with LVM setup and one of the PVs is a USB disk (I know). One of them is getting the error: Oct 30 10:57:07 alpha01 kernel: lost page write due to I/O error on dm-3 Oct 30 10:57:07 alpha01 kernel: Buffer I/O error on device dm-3, logical block 4 Which is causing problems with all of the LVs on it. pvs shows the PV as unknown device. I can ls to the logical volumes and they show up in lvdisplay, but first I get a bunch of IO errors. I made sure the cables are secure between the USB drive. What should I do to get this back up and running for the meanwhile? Should I unmount each LV and run an fsck.ext4 on each one like fsck.ext4 -y /dev/vg1/lv_logvolname ?

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  • Kickstart Partitioning Configuration

    - by Flo
    I'be been trying to run a kickstart script with the following partition configuration: #Clear the masterboot record zerombr bootloader --location=mbr --driveorder=sda --append=" rhgb crashkernel=auto quiet" # Set up the partitions/logical volumes/logical groups clearpart --all part /boot --fstype=ext4 --asprimary --size=512 --ondisk=sda part swap --size=2048 --fstype=swap --ondisk=sda part pv.01 --fstype=ext4 --grow --size=200 --ondisk=sda part pv.02 --fstype=ext4 --grow --size=200 --ondisk=sdb volgroup VolGroup pv.01 pv.02 --pesize=32768 logvol /opt --fstype=ext4 --name=opt.fs --vgname=VolGroup --size=40000 logvol / --fstype=ext4 --name=root.fs --vgname=VolGroup --size=78000 I have two hard drives and it looks to me like its a really simple configuration. When I run the kickstart I keep getting all these errors that have to do with python files for configuring partitions. The only actual maybe useful piece of information is KeyError /dev/sda/ I tried a number of alterations of this configuration but nothing really worked. Any ideas?

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  • How to set which IP to use for a HTTP request?

    - by GetFree
    This is probably a silly question. I'm doing some http requests using wget from the command line, and I want those connections to be made through one specific IP of the 4 IPs my server has. Those http requests go to one specific range of IPs so I only want those to be routed differently. The 4 interfaces in my server are eth0, eth0:0, eth0:1, eth0:2. I tried with the following command: route add -net 192.164.10.0/24 dev eth0:0 But when I see the routing table it says: Destination Gateway Genmask Flags MSS Window irtt Iface 192.164.10.0 0.0.0.0 255.255.255.0 U 0 0 0 eth0 The interface is set to eth0 not eth0:0 as my command says. What am I doing wrong?

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  • Cloning OpenVZ container

    - by Tiffany Walker
    I have an OpenVZ container on 1 host and I would like to clone it over to my server. both run SolusVM. I only have root access to my server and would like to host the container on my server now. Can I use rsync to clone the drive while the OS is running on both? Using a command like this: rsync -uazPx --exclude='/boot' --exclude='/proc' --exclude='/dev' --exclude='/lib' --exclude='/tmp' --exclude='/var/lock' / [email protected]:/ Is there any other areas I should probably not copy over?

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  • Can spell checking be disabled by default on OS X?

    - by Lri
    Is there some way I could disable continuous spell checking or other settings in the substitutions menu by default? System Preferences only has an option to disable autocorrect. defaults write -g CheckSpellingWhileTyping -bool false would be overridden by keys on the property lists of applications. This would only apply to applications that have been used before: #!/bin/bash for d in $(defaults domains | tr -d ,); do osascript -e "app id \"$d\"" > /dev/null 2>&1 [ $? == 1 ] && continue echo $d defaults write $d CheckSpellingWhileTyping -bool false defaults write $d SmartDashes -bool false defaults write $d SmartLinks -bool false defaults write $d SmartQuotes -bool false defaults write $d SmartCopyPaste -bool false defaults write $d TextReplacement -bool false done

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  • Having problems with Grub2 booting Ubuntu from my External Hard Drive

    - by anonymous
    I installed Ubuntu on my external hard drive but it won't boot on my laptop. what do i do? i did some reading and traced the source of the problem to grub2. Apparently, grub2 doesn't use the device's UUID, and uses the linux directory instead (/dev/sdf2). This means that whenever i plug my E-HDD into a system that has a different number of drives connected to it, i won't be able to boot without editting the boot command. I don't understand it too well but that's what i got from what i read. Is there anyway to fix this?

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  • MongoDB REST interface not listening after update

    - by Ones and Zeroes
    I replaced the mongodb-10gen install with the Ubuntu package (mongodb-server, mongodb-client and dev). apt-get install mongodb Thereafter, I am now unable to connect to the REST interface, where it worked before. Doing a wget to http://127.0.0.1:27018, I receive the following response: Connecting to 127.0.0.1:27018... failed: Connection refused. My previous /etc/mongodb.conf file had the following in: #enable REST rest = true Adding it to the packaged conf file does not resolve the issue, not even after restarting. I also tried changing the following with no effect: # Disable the HTTP interface (Defaults to localhost:27018). # nohttpinterface = true to # Disable the HTTP interface (Defaults to localhost:27018). nohttpinterface = false I have searched for days, and there doesn't seem to be anything on the Mongo site about a similar anomaly. If you have encountered a similar issue on Ubuntu Oneiric, please add your comments, even if you haven't found a solution to this issue.

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  • Server downtime - are these APC warnings the cause?

    - by DisgruntledGoat
    Yesterday I had a problem with my dedicated server (Ubuntu 10.04, LAMP). It wasn't down per se, but running incredibly slowly as if we had a massive overload of visitors (though I don't think we did). It's running smoothly again now. I've been checking through log files etc to see if I can find any issues, the only strange thing is a bunch of these errors, occurring at about the same time as the downtime: [apc-warning] Unable to allocate memory for pool. in [file] on line 49. And a bit later on: [apc-warning] GC cache entry '[file1]' (dev=2056 ino=8988092) was on gc-list for 3601 seconds in [file2] on line 746. Could these errors indicate the cause of the server slowdown, or are they simply a result of the server being slow in the first place? What would be the solution?

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  • people_dl_import shows millions of records

    - by amit lohogaonkar
    We have a situation now on prod in sharepoint 2007 based intranet platform and it shows thousands of records under people_dl_import category with format spsimport://?$$dl$$/domain1/domain2/domain3/ Also import was not stopping and added millions of records in database and was on verge of disk full. On other servers like dev we have very less data in this category and format is also like spsimport://doaminname?$$dl$$?... which is good and has only 6000 rows and in prod its 2 millions Crawled under people_dl_import category. I need to know the cause of this garbage data and how to fix it. I tried resetting content source and I will do full import in this weekend to see if this garbage data gets cleared. Any idea on cause for thiss issue?

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  • Foremost custom file type not accepted by -t argument

    - by Channel72
    I'm trying to recover a deleted file on an ext3 file system using the foremost utility. The file I want to recover is a hpp C++ source code file. However, foremost does not automatically support the hpp file extension, so I have to add it to the config file. So, following the instructions on the man page, I add the following line to the config file: hpp n 50000 include include ASCII Then I run foremost as follows: $foremost -v -T -t hpp -i /dev/md0 -o /home/recover/ Instead of doing anything, it just displays the help message. If I change the hpp to htm or jpg, it works. So apparently foremost isn't accepting the custom file type I added into the config file. But I've looked over this dozens of times now, and I can't see what I'm doing wrong. I'm following the instructions exactly. Why doesn't foremost recognize the new file type I added to the config file?

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  • SAMBA and Linux ACLs -- "Permission denied" on write to share but file written nevertheless

    - by MCH
    I set up a writable share directory "/home/net/share" with acl like this: sudo mkdir -p "/home/net/share" sudo setfacl -m "u:localuser:rwx,u:remoteuser:rwx,g:users:rwx" "/home/net/share" My /etc/samba/smb.conf looks like this: [global] workgroup = w server string = server security = user load printers = no log file = /var/log/samba/%m.log max log size = 50 dns proxy = no printing = bsd printcap name = /dev/null disable spoolss = yes encrypt passwords = true invalid users = nobody root follow symlinks = yes wide links = yes [share] comment = Writable by localuser and remoteuser path = /home/net/share valid users = remoteuser read only = no public = no printable = no Locally, localuser and remoteuser have user accounts and smbpasswds and can both read, create and delete files in /home/net/share. But when I log on from a different machine (like this: sudo mount -t cifs //server/share mountpoint/ -o username=remoteuser ), I get "Permission denied" both when trying to create directories and files, oddly though, it does create files (not directories!) despite these messages! How can I get this working?

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  • solaris + EMC + power-path

    - by yael
    please advice - when I run powercf command on my Solaris machine , which changes this command do on the EMC storage , or on Solaris file system ? from maanual page: DESCRIPTION During system boot on Solaris hosts, the powercf utility configures PowerPath devices by scanning the HBAs for both single-ported and multiported storage system logical dev- ices. (A multiported logical device shows up on two or more HBAs with the same storage system subsystem/device identity. The identity comes from the serial number for the logical device.) For each storage system logical device found in the scan of the HBAs, powercf creates a corresponding emcpower device entry in the emcp.conf file, and it saves a primary path and an alternate primary path to that device.

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  • How to remove bad disk from LVM2 with the less data loss on other PVs?

    - by Walkman
    I had a LVM2 volume with two disks. The larger disk became corrupt, so I cant pvmove. What is the best way to remove it from the group to save the most data from the other disk? Here is my pvdisplay output: Couldn't find device with uuid WWeM0m-MLX2-o0da-tf7q-fJJu-eiGl-e7UmM3. --- Physical volume --- PV Name unknown device VG Name media PV Size 1,82 TiB / not usable 1,05 MiB Allocatable yes (but full) PE Size 4,00 MiB Total PE 476932 Free PE 0 Allocated PE 476932 PV UUID WWeM0m-MLX2-o0da-tf7q-fJJu-eiGl-e7UmM3 --- Physical volume --- PV Name /dev/sdb1 VG Name media PV Size 931,51 GiB / not usable 3,19 MiB Allocatable yes (but full) PE Size 4,00 MiB Total PE 238466 Free PE 0 Allocated PE 238466 PV UUID oUhOcR-uYjc-rNTv-LNBm-Z9VY-TJJ5-SYezce So I want to remove the unknown device (not present in the system). Is it possible to do this without a new disk ? The filesystem is ext4.

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  • Maintaining CSS on a pre-built ASP.net website. How can I run this locally on a home linux server?

    - by DavidR
    I was in charge of the css for a website. I sent in my code to a guy who integrates the css with the dev site. Later they decided it would be better for me to have a more direct role in dealing with the css. I've downloaded everything on the ftp but have no idea how to get this set up. I am running an Apache server on a Fedora Linux install. Is there any way I can set up a local testing server so I can test my changes before ftp'ing them back on the site?

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  • Google Chrome shows error messagebox every time it starts.

    - by Benjamin
    I removed Google Chrome 10.x dev version, and installed 8.x stable version again. After installing 8.x, chrome always shows this message box, every time it starts. Your profile can not be used because it is from a newer version of Google Chrome. Some features may be unavailable. Please specify a different profile directory or use a newer version of Chrome. What profile does it say. How to fix it? Thanks.

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  • Crontab - stop sending mail, special case ||

    - by 2ge
    Hi all, I need to put into my crontab small command, which is checking, if lighttpd web server is running, for some reason it hangups sometimes. So I got there: * * * * * root /bin/pgrep lighttpd || /usr/local/etc/rc.d/lighttpd restart >/dev/null 2>&1 problem is, this send me mail every minute, in the mail is number of PID of lighttpd, which is running. For other crontab job, redirection work, so I assume, when is there "||", it makes problem. maybe there should be better to rewrite crontab job, so it uses exit status of pgrep, so I can avoid "||". I am using FreeBSD. Thanks for any help, for now I disabled this job

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  • MapReduce job is hung after 1 of 5 reducers completed on single-node environment

    - by Marboni
    I have only one Data Node on my dev environment on EC2. I ran heavy MR job and in 6 hours noticed that 100% of mappers and 20% of reducers finished (1 of reducer shows 100% competition, other ones - 0%). Looks like job is hung between 2 reducer runs. I don't see any errors in log files. What it can be? P.S. Last logs of successfully finished reducer: 2012-11-09 11:29:21,576 INFO org.apache.hadoop.mapred.Task: Task:attempt_201211090523_0004_r_000000_0 is done. And is in the process of commiting 2012-11-09 11:29:22,692 INFO org.apache.hadoop.mapred.Task: Task attempt_201211090523_0004_r_000000_0 is allowed to commit now 2012-11-09 11:29:22,719 INFO org.apache.hadoop.mapreduce.lib.output.FileOutputCommitter: Saved output of task 'attempt_201211090523_0004_r_000000_0' to /data/output/1352457275873/20121109-053433-common 2012-11-09 11:29:22,721 INFO org.apache.hadoop.mapred.Task: Task 'attempt_201211090523_0004_r_000000_0' done. 2012-11-09 11:29:22,725 INFO org.apache.hadoop.mapred.TaskLogsTruncater: Initializing logs' truncater with mapRetainSize=-1 and reduceRetainSize=-1

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  • WGet from one site on a server to another site on the same server

    - by JoshReedSchramm
    Hey all, I've recently been asked to administer a couple ubuntu boxes running web servers. I'm a dev by trade so if this question is fairly noob please forgive. We have about a dozen sites running on this box. 2 of our sites need to talk back and forth over a restful api. Unfortunately we are having issues with the sited connection to each other via wget. When we try and run wget manually from the command line from the server pointing to a site also on that server it hangs and eventually times out. If we do the same thing from outside the server to the same site on the server it works. Is there something that could be preventing sites on the same server from communicating with each other? The same thing happens pinging the site from the server.

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  • Is it better to check if file exists before deleting it

    - by Kevin Fegan
    Sometimes when I want to delete a file (from within a script), I will just delete it rather than checking if it exists first. So I do this: $ rm "temp.txt" 2>/dev/null Instead of this: [ -f "temp.txt" ] && rm "temp.txt" I just feel it's a waste of time to go and check if the file exists and return an exit code. So, perhaps it's quicker to do it the first way, especially if most of the time, the file is likely to be present. Are there any other advantages (or downsides) to do it one way or the other? Am I wrong to think it will ever be quicker?

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