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  • How to fix grub after moving root partition?

    - by Grzenio
    Hi, Because I am using one of the new WD disks I am trying to aling my root partition with the real sectors, as described here: http://community.wdc.com/t5/Desktop/Problem-with-WD-Advanced-Format-drive-in-LINUX-WD15EARS/m-p/10920#M631 So I copied all files to a temp location, deleted my partition (/dev/sda3), recreated it a few cylinders later (same name) and copied the files to the newly created partition. But now when I try to boot, I get my old grub menu but after selecting my kernel version it hangs... Any idea how I can fix it?

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  • Kernel Log "TCP: Treason uncloaked!"

    - by hurikhan77
    On one linux server (Gentoo hardened), we are experiencing bursts of the following messages in dmesg from time to time: TCP: Treason uncloaked! Peer xx.xx.xxx.xxx:65039/80 shrinks window 4094157295:4094160199. Repaired. Is there anything we should take care of or is this normal? Update: Maybe related, we are using net.ipv4.tcp_congestion_control = cubic. Kernel version is 2.6.28 with Gentoo hardening patches.

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  • different .bashrc files for different login nodes?

    - by 130490868091234
    Can I have different .bashrc files loading when logging into different nodes that share the same home dir? This is, I am mostly interested to loading different PATH directories when logging as bash, depending on the different Linux nodes I log into? For example, if I log into bash in machine abc-01, I would like to have a given .bashrc loaded, but when I log into abc-02, that uses the same /home/username directory, I would like to use a different .bashrc. How can I go about doing that?

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  • Cannot move folder to a subdirectoy of itself - What's going on?

    - by calumbrodie
    O.K I am trying to do the following very simple command and it is failing as follows... mv '/home/admin/Downloads/folder1' '/home/admin/MyLibrary/MyVideos/TV/folder1/' mv: cannot move `/home/admin/Downloads/folder1' to a subdirectory of itself, `/home/admin/MyLibrary/MyVideos/TV/folder1/' The destination is NOT a subfolder of the source - why is it giving me this error?? Linux version is a custom version of Red Hat on a NAS box. Thanks

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  • Faking the date for a specific shell session

    - by Julien Nicoulaud
    I'm certainly trying to achieve something weird here, but I want to fake the date locally for a shell session on GNU/Linux. I need to black-box test how a program behaves at different dates, and modifying the system-wide date can have unwanted side effects (cron jobs, messed up logs, etc). Any ideas ?

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  • How to send mail to my mailing list

    - by xrobot
    I have a landing page to collect email from person interested in my event. So now I don't know how can I send email to this mailing list ( there are about 5000 email and is growing 10-20 per day ). Could you help me ? P.S. I use LINUX

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  • How print multiple independent pages in one print job?

    - by C.W.Holeman II
    How can I combine multiple single page prints into a single print job? For example, using Firefox on Linux one can print a web page such that each sheet of paper has four pages printed upon it. I would like to combine several separate web pages so that for example, web-page-a, web-page-b and web-page-c (each less than one print page long) are printed on a single sheet of paper. I would like to do this without having to use some for of image editor to combine them.

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  • Run VirtualBox in background, without a window

    - by Bashman
    Hi! I was wandering if it's possible to run an Ubuntu virtual machine using VirtualBox in background, I mean, without any window open. The idea is to conect via SSH to the linux host, that would be running in background. Have you ever done somenthing like this? Is it possible? Thanks!

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  • Why is it I can't use my Windows installation both as a host and a guest?

    - by Josef
    I have Linux installed on my harddrive, sometimes I run it as the host operating system and sometimes run it as a guest in Windows using VirtualBox. It's a nice ability, I think. I don't think it's possible with Windows though. Is it because your average distribution includes drivers for everything known to man? Are devices/drivers configured statically in Windows so when somethings changed it breaks?

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  • clone of tseng et4000 extended mode font?

    - by Jason Yanowitz
    Back in the day (day =~ 1994), the tseng et4000 video card had extended modes for the console under linux. There was a beautiful monospaced font (I think it was for 100x40 or 100x50, but my memory could be wrong). Anyone know a way to get said font for a modern computer (e.g., Mac OS X) or the history of the font, etc? http://en.wikipedia.org/wiki/Tseng_ET4000 has little info on this score.

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  • How to secure adhoc networks

    - by moshroum1
    What is the right way to secure adhoc networks? WPA_NONE is a cruel hack (doesn’t work most of the time, discards important packets, ..), WEP is not secure and Open… open is open. IPSec is a level to high. Does there exists something which works under linux and wifi?

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  • How do I change a VMWare 1.x server's guest boot order?

    - by bo gusman
    I have 4 VMs on a Linux host, call them A, B, C, D running on Z. I really don't care when A and B come up, but I would like to make sure that D comes up before C. I believe that in VMWare 2.x it's possible to change the boot order. Is this possible in 1.x as well? Is this done in /etc/vmware/vm-list? I see that there are a number of VMs listed there, including some that have long since been deleted.

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  • Zip only public directory

    - by Nino55
    Hi guys, I've a lot of websites (100+ directories) I want to create a unique zip with only public subdirectory. My structure now is like: - Site 1 --- app --- tmp --- log --- public - Site 2 --- app --- tmp --- log --- public - ... 100+ dirs ... Now I need a unique zip and then after unzip it I want to see this structure: - Site 1 --- public - Site 2 --- public - others Any suggestion how I can do that with linux commands zip/tar ? Thanks so much!

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  • How to set up an apt repository?

    - by George Edison
    I am interested in setting up an apt repository on my server to host some of my packages. How would I go about doing this? It's a shared server. Basically, I want to do what Google did in regards to the way they host Chrome downloads for Linux.

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  • Manually closing a port from commandline

    - by codingfreak
    Hi I want to close an open port which is in listening mode between my client and server application. Is there any manual command line option in Linux to close a port ?? NOTE: I came to know that "only the application which owns the connected socket should close it, which will happen when the application terminates." I dont understand why it is only possible by the application which opens it ... But still eager to know if there is any another way to do it ??

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  • Group traffic shaping with traffic control?

    - by mmcbro
    I'm trying to limit the output bandwidth generated by an application with linux tc. This application sends me the source port of the request that I use has a filter to limit each user at a given downloadspeed. I feel that my setup could be managed way better if I had a better knowledge of linux tc. At the application level users are categorized as members of a group, each group have a limited bandwidth. Example : Members of group A : 512kbit/s Members of group B : 1Mbit/s Members of group C : 2Mbit/s When a user connects to the application, it retrieves the source port to the origin of the request from the user and sends me the source port and the bandwidth at which the user must be limited depending on group to which it belongs. With these informations I must add the appropriate rules so that the user (the source port in reality) is limited to the right bandwidth. If the user that connect isn't a member of any group it should be limited at a default bandwidth speed. I'm actually managing this by using a self made daemon that add or remove rules from when it receive a request from the application. With my little knowledge of tc I'm not able to limit other users (ones that aren't in a group, all others in fact) at a default speed and my configuration seems awful to me. Here is the base of my tc qdisc and classes : tc qdisc add dev eth0 root handle 1: htb tc class add dev eth0 parent 1: classid 1:1 htb rate 100mbps ceil 125mbps To classify a user at a given speed I have to add one subclass and then associate one filter to it : # a member of group A tc class add dev eth0 parent 1:1 classid 1:11 htb rate 512kbps ceil 512kbps # tts associated filter to match his source port tc filter add dev eth0 protocol ip parent 1:0 prio 1 u32 match ip sport 50001 flowid 1:11 # a member of group A again tc class add dev eth0 parent 1:1 classid 1:12 htb rate 512kbps ceil 512kbps # tts associated filter to match his source port tc filter add dev eth0 protocol ip parent 1:0 prio 1 u32 match ip sport 61524 flowid 1:12 # a member of group B again tc class add dev eth0 parent 1:1 classid 1:13 htb rate 1000kbps ceil 1000kbps # tts associated filter to match his source port tc filter add dev eth0 protocol ip parent 1:0 prio 1 u32 match ip sport 57200 flowid 1:13 I already know that a source port could be the same if its coming from a different IP address the thing is the application is behind a proxy so I don't have to manage any IP address in that situation. I would like to know how to manage the fact that for all other users (request/source port, whatever you name it) could be limited at a given speed each. I mean that each connection should be able to use at max 100kbit/s for example, not a shared 100kbit/s. I also would like to know if there is a way to simplify my rules. I don't know if it is possible to use only one class per group and associate multiple filters to the same class so each users could be handled by one class and not one class per user. I appreciate any advice, thanks.

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  • Benefit of running redis as a daemon

    - by Justin Meltzer
    I'm trying to understand what the benefit of running redis as a daemon is. The redis default configuration seems not to run redis as a daemon, but locally on Mac OS X I added it to LaunchAgents, so I'm guessing it is running as a daemon anyway? Also on my remote application which is running on a linux server, since it won't have LaunchAgents (as far as I'm aware) will I have to run redis as a daemon? What will be the benefit of doing so?

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  • Fastest browser to run over a forwarded X11 session

    - by warren
    So far I have tried Firefox (latest and greatest) and Chrome (also latest and greatest), and while Chrome runs faster than Firefox over X11 from my CentOS server to my Windows 7 workstation, it's still pretty sluggish. What other GUI browsers are available for Linux that would [likely] run faster than Chrome? I've not tried Opera 11, but have had many issues with it under Windows and Mac OS X directly, so am waiting for a new version before going that route.

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