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  • Security: Managing network shares remotely on Ubuntu?

    - by Industrial
    Hi everyone, I am about to setup a home network server running Ubuntu Server and I'm currently a bit worried about how to handle network shares and permissions in a good way. After working a bit lately with Netgears ReadyNAS's units, I have become really spoiled with how easy it was to set up network shares and giving a specific user different levels of network access to a specific share (forbidden access, read, read/write). How would I accomplish the same with my Ubuntu server through SSH? Thanks a lot

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  • Ubuntu 10.04 (LTS) DomU on Debian Wheezy Dom0 Xen 4

    - by mdjp
    I have been forced to move from a Centos Dom0 xen 3 Centos + Ubuntu Lucid DomUs To Debian Wheezy Dom0 Xen 4 Ubuntu Lucid DomUs However although I can create new DomUs on wheezy I cannot get them to boot. pygrub returns Error: Bootloader didn't return any data I have ensured that the disks are the correct way around in the xen.cfg and also that the grub config is correct. If I try to run pygrub manually eg /usr/bin/pygrub /dev/volgroup/disk I get Illegal instruction can anyone offer me any advice on this? Thanks Matt

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  • resolv.conf not working properly with Ethernet in Ubuntu

    - by Mark Z.
    I have a Lenovo X200 laptop on which I am running Ubuntu 9.10. Recently, (I assume after some updating, but I really don't know) my ethernet port stopped working under Linux. A more tech/linux-savvy friend of mine was able to temporarily fix the problem by manually editing the resolv.conf file with the DNS servers he found through his connection. However, after rebooting, the problem came back and now I am looking for a more permanent solution.

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  • Have Ubuntu auto-connect to wireless AP without logging in

    - by dragonmantank
    We have an ubuntu box set up to do some monitoring but due to the placement are unable to run CAT5 to the box itself. I have an Atheros PCI card that works great as long as someone is logged into Gnome and it doesn't disconnect from the AP during that time. Is there a way to have Ubuntu connect to the AP during boot, and always reconnect if it finds a signal from a specified AP? The box would have a static IP and only connecting to a specific AP using WEP.

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  • Dual Monitors in Ubuntu

    - by Luminose
    My only issue that is stopping me from moving to Linux is the dual monitor support. If I use TwinView, maximizing an application causes it to take over both monitors, not maximize in the current monitor the way it works in Windows. If I use two separate X windows, certain programs default to a specific monitor with no way of moving it to the other desktop. Has anyone else had these issues? Are there any detailed dual monitor resources.for Linux/Ubuntu I can read?

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  • Ubuntu list of packages installed

    - by becomingGuru
    I am moving to a new laptop with Ubuntu Lucid from an old laptop that has Ubuntu Karmic. I want to look at the list of all the packages and selectively install them all on the new laptop. What is the best method to go about it. Thanks in advance.

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  • Move Ubuntu to another drive

    - by Ben Dilts
    I have a laptop with an 80GB SSD and 500GB HDD. I currently have Windows installed on the SSD, and a 400GB data partition for Windows on the HDD. I set aside 100GB on the HDD to try out Ubuntu, and I'd like to make it my primary OS and switch it over to the (much) faster SSD. How could I go about getting my Ubuntu setup moved over to the SSD? I have a 120GB USB hard drive I can use if necessary for getting through it.

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  • hp officejet 5510 is only printing blank pages if used with Ubuntu 9.10

    - by mutzel
    I'm trying to setup a hp officejet 5510 using HPLIP 3.10.2 under Ubuntu 9.10. The installation of the driver according to this guide was no problem but after installing and selecting the printer I was only able to print blank pages. The printer is working well under windows and scanning (its a multi-functional printer) is also possible under Ubuntu. Does anyone know this problem and a possible solution?

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  • Ubuntu X doesn't start

    - by den-javamaniac
    I'm running desktop Ubuntu 9.10 on my Dell laptop. Previously it was Ubuntu 9.04. After some period of time (lets say 3-4 months) my X fails to start automatically after some restart calls. If that takes place my network manager applet doesn't start either (after I do startx). Can any one point out what I'm missing/what's the problem?

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  • Hidden features of Ubuntu

    - by Tom Brito
    That I know: In command line, use TAB to autocomplete the commands. You need just to select a text to copy it, and use mouse middle button to paste. Which other "untold" secrets Ubuntu hides? obs. I don't know which of the items I told are for any Linux or Ubuntu specific.

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  • Installing ArchLinux into Ubuntu 12.04 root

    - by Johnny
    Is it possible to install 2 linux distros into 1 root, so they share same uuid and guid, configs and packages + same user /home folder ? For example: I have Ubuntu and Windows 7 already in dual boot on my laptop. Could I install Arch's base, base-devel and kernel, so it won't conflict with Ubuntu on the same root folder? P.S I don't feel like repartitioning my drive again, 'cause there's very complicated hierarchy, which occupies the entire disk. =)

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  • How to change default user (ubuntu) via CloudInit on AWS

    - by Gui Ambros
    I'm using CloudInit to automate the startup of my instances on AWS. I followed the (scarce) documentation available at http://bazaar.launchpad.net/~cloud-init-dev/cloud-init/trunk/annotate/head%3A/doc/examples/cloud-config.txt and examples on /usr/share/doc/cloud-init, but still haven't figured out how to change the default username (ubuntu, id:1000). I know I can create a script to manually delete the default ubuntu and add my user, but seems counter intuitive given that CloudInit exist exactly to automate the initial setup. Any ideas?

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  • Which Linux is the most efficient?

    - by quandary
    Simple question: There is a gazillion Linux distributions out there. Which one (distribution/incl. window manager) makes (technically) the most efficient use of my (aging) computer ? I have appx. 1 GB RAM and a 1.6 GHz processor, 120 GB hd. I develop applications (C++/.NET/mono/ASP/PostGre SQL/). Usually, I prefer distros with apt-get. Anybody knows which one takes the most care of my limited RAM, and wich one is the fastest/slimmest of them all, that has a decent repo and is damn fast)

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  • Atheros LAN card driver, Linux compiling problem

    - by Ali Qocayev
    I have installed openSUSE 11.4 to my new workstation. It says that there is Attansic ETHERNET controller on board. But no devices seen. I typed: lspci and it returned: atheros communications device 1083. I have downloaded drivers. I'm trying to compile the driver. But I get the error: **Makefile:94: Linux kernel source not configured - missing autoconf.h. Stop** But I see autoconf.h presents on my system. What should I do ?

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  • Middle Mouse Button does not work in XFCE / Arch Linux

    - by Alp
    I have the XFCE desktop manager installed on my Arch Linux system. With E17 (Enlightenment desktop manager) i had no problems with my mouse: all buttons worked correctly out of the box. But in XFCE my middle mouse button does not fire an event at all (no output with xev). Evdev seems to identify my mouse correctly (Razer Deathadder) because it echoes its name in the xorg logs. I have no idea what could cause this and how to debug the problem. I start both e17 and xfce with startx. Here is my ~/.xinitrc: exec startxfce4 --with-ck-launch #exec enlightenment-start

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  • linux ssh -X graphical applications will not start when system load is high

    - by Chrisv
    So I am using ssh -X to access a server. I am at a Xubuntu desktop accessing a Ubuntu server that is in the next room. Usually everything works fine, but when the system load gets high, any graphical applications I have freeze and fail to be restarted. This happens even if the process that is causing the high load has been niced to a low priority with "nice -n 19". And even though the system load is high, the command line works fine with no delay, and other applications I have running on the server (e.g. virtual machines) run fine. But any graphical application running through X dies. When the graphical applications fail they usually give out an error message that suggests a time-out. It seems that something connected to X has a low priority and times out. But what is it, and how does one fix it?

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  • Linux halts every few seconds

    - by Zeppomedio
    We're having an issue where one our Linux boxes (Ubuntu 10.04 LTS, running on EC2 with a quadruple-large size, 68GB of RAM and 8 virtual cores with 3.25GHz each) freezes up every few seconds. Typing in an ssh session will freeze, and running strace on one of the Postgresql processes that's running usually shows: 02:37:41.567990 semop(7831581, {{3, -1, 0}}, 1 for a few seconds before it proceeds (it always gets stuck at that semop). OProfile shows that most of the time is spent in the kernel (60%) versus 37% in Postgresql. The result of these halts (which began suddenly a day ago) is that load on the box has gone from 0.7 to 10+, and causes our entire stack to slow done. Any ideas on how to track down what's going on? iostat doesn't show the disks being particularly slow or overloaded, and top shows user cpu % spike from 8% to about 40% whenever these back-ups happen.

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  • Windows and Linux applications to show cumulative uploads/downloads for each app, at a glance

    - by jontyc
    I've read few quite a few other threads on SU, but they have been focused on instantaneous/average bandwidths (B/sec) rather than cumulative download/upload totals for a period. Either that or they don't drill down to application level. Resource Monitor in Windows 7 only shows bandwidth. I've just been trying NetLimiter and whereas it can show total uploaded/downloaded, it's a case of having one stats window open per application, as opposed to a table showing all applications at once. Looking for applications for both Windows and Linux (Ubuntu), but they don't need to be the same.

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  • Is Flash typically slow on Linux?

    - by CSarnia
    Specifically, I'm running Mint 8 (Helena). I'm extremely new to Linux, and was searching for a solution that was user-friendly and GUI oriented. The box won't be used for much other than web browsing and word processing. Anyway, it runs relatively smoothly, except for Youtube videos... especially full-screen, which runs at like 1 FPS, and even after closing, slows Firefox to a crawl until I restart it. I'd seen an xkcd comic on the matter, but regarded it as a joke until now. Is this actually a problem? Are there any remedies I can try to smooth the applications?

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  • How to remap CAPSLOCK to ESC in Linux Mint 12

    - by imcoddy
    I would like to remap the CAPSLOCK key to ESC as this is easier to use in Vim. I can make it in Ubuntu 11.04 as there's an option for this in Keyborad configuration. But recently I switched to use Linux Mint and found that there's no such option. I don't know whether it is the gnome3 that makes this happen, as there are only some basic features to customize. Hoping someone can help me remap the key, thanks in advance. found this article, but the options are not found in Mint 12

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  • Running bridged-networking vmware player on a Linux machine with 2 interfaces

    - by Roman D
    I have got a laptop running Arch Linux with 2 interfaces: wireless (wlan0) and ethernet (eth0). I use wlan0 to access internet (static IP, networking is configured using netcfg), and I connect a second PC to the eth0. Now, whenever I start vmware player (v. 4.0.4), it chooses wlan0 to connect its bridged virtual NIC to, but I need it to connect to eth0 (I want my guest machine to be able to talk to the second physical PC on eth0). So, I disable the wlan0 interface (netcfg -d wireless) and restart vmware. Now, it connects to eth0, and everything works fine; I can ping the host PC from the virtual one, and I can ping the virtual PC from the second physical PC connected to eth0. Then, if I try to reenable the wlan0 interface (netcfg -u wireless), all of the connectivity between the host and the guest (and between the second physical PC and the guest) gets lost, until I disable wlan0 again. Can someone please give me a hint on what's going on?

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  • delete key on linux does not work

    - by Gauthier Fleutot
    Hi! My delete key does not work in ubuntu, it does nothing. I understand that this is a common problem, but I could solve it with the information I found elsewhere. I ran xev. Pressing the 'a' key gives: KeyRelease event, serial 30, synthetic NO, window 0x2c00001, root 0x1a6, subw 0x0, time 7255643, (-113,-107), root:(425,300), state 0x2010, keycode 38 (keysym 0x61, a), same_screen YES, XLookupString gives 1 bytes: (61) "a" XFilterEvent returns: False Pressing 'Delete' gives: FocusOut event, serial 30, synthetic NO, window 0x2c00001, mode NotifyGrab, detail NotifyAncestor FocusIn event, serial 30, synthetic NO, window 0x2c00001, mode NotifyUngrab, detail NotifyAncestor KeymapNotify event, serial 30, synthetic NO, window 0x0, keys: 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 From there I don't know what to do. Help?

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