Questions specifically about Linux, as opposed to Unix-like systems in general, or to questions about a specific distribution or program.

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2
votes
0answers
145 views

mozilla sync server and mysql auth

Recently I updated my debian squeeze to wheezy. Unfortunately my firefox sync server (weave) stopped working. I saved the config files and downloaded the new version via hg. I already fixed some ...
2
votes
0answers
54 views

LXC: Have rootfs mounted without nosuid

I have the container's rootfs in a volume mounted with the nosuid option. When I start the container, its / mounted is then also mounted nosuid, which breaks programs such as sudo. How can I avoid ...
2
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0answers
325 views

After installing VirtualBox to Fedora 17 the system won't boot (NVidia drivers)

My luck I had couple of older kernels, which work. The new kernel, probably somehow patched by VirtualBox fails to load. What fails is X-server, when it tries to start, here's the log: [ 14.284] ...
2
votes
0answers
89 views

Which counter generates timer interrupts?

I did a iotop to observe the interrupts on my computer. This is the interrupt shown most often. 0 [PIC-edge time] 247 Ints/s (max: 389) I believe it's the timer interrupt, well since ...
2
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0answers
135 views

Where does Mutt put deleted messages if no purge is performed?

If I delete one or more email messages in Mutt and then say no when it asks (when changing folders or quitting the program) if I want to purge the deleted messages, what does Mutt do with them? After ...
2
votes
0answers
101 views

Problems with USB goflex 2 TB

I am using CentOS 5.5 and have been using cpio to write backups to a 2 TB GoFlex USB drive. This drive worked great for over a year, but am now running into a problem and not sure what to do. When ...
2
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0answers
58 views

Maintain different Dropbox locations for one Dropbox account on different hosts

We've got a user who is asking if it's possible to keep two config.db's, and use one or the other based on the host name, for the same Dropbox account (not two Dropbox accounts). For example: ...
2
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0answers
878 views

find ount what [flush-8:0] is writing

Using iotop, I found out that [flush-8:0] is doing a lot of hard disk activity, which explains the annoying slowdowns. However, I can't figure out what's the actual cause behind this flushing. No ...
2
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0answers
2k views

Permission denied when Ubuntu is attempting to mount to a remote Windows share folder

Fellow guys, I encountered the error when I's mounting my Ubuntu server to a remote Windows share folder, the following is the error on terminal after I typed command line 'mount -a': mount ...
2
votes
0answers
359 views

How do I run Gnome from a systemd-nspawn container in a second X server?

I'm using systemd-nspawn to "boot" a second Linux OS from a USB hard disk. I'd like to launch that OS's Gnome Desktop in a second X server running on the same machine on a different tty than the ...
2
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0answers
34 views

A Linux Distro/Project for Digital Literacy

I am in Africa, and I wish to know if there's any project that introduces Linux/Unix to new users? A project like this one of Microsoft's on Digital literacy.
2
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0answers
71 views

xorg.conf.d not loaded when starting X while docked

Recently installed archlinux on a Lenovo T530 Thinkpad and using it with a Mini dock Series 3. Docking and undocking works just like it should, using acpid to execute scripts turning screens on and ...
2
votes
0answers
348 views

Bonding configuration on a blade server with Oracle 6.3

I'm trying to configure a mode 6 bonding on a blade server. Blade Enclosure: HP c7000 Blade Server: ProLiant BL460c G1 Redundancy part of the bond is working, I can pull out any one of the cables ...
2
votes
0answers
219 views

Windows shared network printer keeps using rear tray as source

I am trying to set up network printing on my Linux Mint 15 (64 bit) system (dualboot with Windows 7). The printer is a Canon PIXMA MG5100 and is connected (via USB) to a computer running Windows XP. ...
2
votes
0answers
108 views

Understanding getlogin spoofing

My question is in three (or so) related parts: 1) My understanding is that getlogin() will effectively return the auid associated with the process and so isn't actually changable by the user. Is that ...
2
votes
0answers
227 views

Including pending update list in motd

How would you include the list and / or count of pending updates in the welcome banner? Eg. username: User password: ***** Hi 'User', welcome on 'localhost' There are 8 pending updates, you need to ...
2
votes
0answers
1k views

sed couldn't flush stdout no space left on device?

What could be the reason for this error : sed couldn't flush stdout no space left on device This is come of the stuff that i am doing at last in my code sed -n '/.*needs to be executed ...
2
votes
0answers
88 views

How to set up remote graphical sessions on CentOs?

Trying to set up a Centos 6 server configuration where we can automate the running of an application that uses Selenium. In this case, ideally, we should be able to: Create a graphical session ...
2
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0answers
62 views

How to specify which interface an application uses?

Imagine this example: you have direct access to the internet on eth0, and you have a VPN on tun0. You want one application to access the internet directly through eth0 (using X public IP address) and ...
2
votes
0answers
991 views

How to retrieve sysfs devpath of a USB flash drive given its corresponding partition sysfs path?

I have a USB flash drive connected to a hub. Its storage device partition devpath in sysfs is /devices/pci0000:00/0000:00:12.2/usb6/6-1/6-1.2/6-1.2:1.0/host10/target10:0:0/10:0:0:0/block/sdb/sdb1. I ...
2
votes
0answers
423 views

remount chrooted read-only subdirectory (non-mountpoint) to read-write from within jail?

I'm trying to do the same of this question (multiple linux installation on same filesystem) but I get this result (root filesystem mounted as read-only) . I'm using debian/sid, have successfully ...
2
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0answers
129 views

Is there a way to undo VGA adapter modesetting in Linux

I'm looking for a way to reset the graphics adapter to textmode after it has been set to some sort of graphical mode by the kernel on bootup, and possibly used by an X server. Is there any code to do ...
2
votes
0answers
82 views

Compare two cdroms

I would like to verified if two CD-ROMs (UDF) identical or not. One cdrom will be read at Windows and the other CD-ROM at Linux, where the CD-ROMs can be with different burning programs. This means ...
2
votes
0answers
420 views

Disable RAID auto detect at runtime

In Linux, I'm partitioning two disks for RAID1 with fdisk. The first disk partitioning succedes, but the second fail because the raid starts automatically and occupy also the second disk (why? it ...
2
votes
0answers
722 views

ping receives no packets, but tcpdump can see them coming in

I'm migrating an old Ubuntu OpenVZ instance (Jaunty) to a new CentOS 6.3 host (using vzdump/vzrestore). Now networking does not work properly. Facts: It works just fine if a setup a new OpenVZ ...
2
votes
0answers
108 views

How to find out logical interface name of tap0?

Well, the question is given. I have tap0 interface connecting to a server which provides IPv6 addresses. I would like to set my RDNSS settings in radvd config and I need the logical interface name of ...
2
votes
0answers
374 views

Multiple Linux or Unix Distributions, Same Home Partition or Data?

To avoid conflicts I have always installed multiple Linux and Unix distributions each with it's own home partion or directory, and in the era of 3TB hard drives this is often very practical; I also do ...
2
votes
0answers
141 views

Trying to install DIP (Dialup Networking) package for SLIP protocol

We are trying to interface with a wireless modem that connects to a computer via a com-port DB-9 connection. It uses SLIP in the sense that the modem hosts a SLIP server and requires the interfacing ...
2
votes
0answers
172 views

Why message queues were not being used for any application?

In my Linux machine, when i run 'ipcs' command, I have the below information listed srinivas@srinivas-G41MT-S2:~$ ipcs -a ------ Shared Memory Segments -------- key shmid owner ...
2
votes
0answers
243 views

XEN Bootloader or Kernel error bootloader isn't executable / cannot locate kernel when using XM create

I am currently using Xen for installing VM guests however whenever we run xm create -c /etc/xen/ks.test.cfg we get; Using config file "/etc/xen/ks.test.cfg". Error: Bootloader isn't executable ...
2
votes
0answers
291 views

How can I mount a dm_crypt device during boot, it fails all the time

EDIT: Problem solved, i updated from Debian 6.0.6 to 7.0.0, everything works now! I have a complex problem at booting. Basically, I have a debian apache box, as a music server in my home network. The ...
2
votes
0answers
56 views

kgdb not returning control to gdb

I've compiled a kernel with kgdb support and I'm trying to debug it. I have two machines running, a debug machine (running the kgdb kernel) and the machine I'm using to debug it. They are connected ...
2
votes
0answers
124 views

Controlling ppp's chat buffering

I looked at the ppp chat source and it uses putchar to write to the device. When PPP is run over a line discipline like n_gsm, which multiplexes a tty via the GSM 07.10 protocol, a lot of extra data ...
2
votes
0answers
55 views

Losing sound after installing wine 1.5 (+python 2.7)?

I have a desktop and a laptop computer. Since I wanted to run IrfanView (that works great now!), I installed wine 1.5.22, which involved installing 1 GB of dependencies. The desktop continues to work ...
2
votes
0answers
133 views

OpenLDAP error while adding an ACL

I'm trying to add an ACL to my DIT and I get the following: Enter LDAP Password: modifying entry "olcDatabase={0}bdb,cn=config" ldap_modify: No such object (32) matched DN: cn=config This ...
2
votes
0answers
681 views

Kernel does not detect Hardware / Software or Hardware fault

I've got more of a basic question for you: My linux kernel (I tried several here from stock 2.6, 3.2 and 3.5 as well as a custom 3.7.3 one) does not detect my synaptics touchpad - or I'am too dumb ...
2
votes
0answers
370 views

How to fix the corruption of the tar balls?

I was making a complete server backup and tried making the tar balls of each directory structure by using the following commands: nohup tar -cvf - /etc | gzip -9 -c > /opt/Backup_4_Jan/etc.tgz ...
2
votes
0answers
1k views

How to set ssh access for user on debian?

I set groups: usermod -G ssh username and then I've checked account info: id username the result is: uid=1000(username) gid=1001(username) groups=100(username) Anyway if I try to login using ...
2
votes
0answers
371 views

Local disc copy at 10MB/s! What could be the problem?

I am running a Debian 6.0.6 (before you ask). I have a regular desktop computer, nothing fancy... but when I copy a file using nautilus I am getting 10MB/s copy speed and the system is completely ...
2
votes
0answers
120 views

Can I limit the number of inotify watches available to a process or cgroup?

I am consistently running out of inotify resources, leading to errors along the lines of: # tail -f /some/files tail: inotify resources exhausted tail: inotify cannot be used, reverting to polling ...
2
votes
0answers
4k views

vboxpci: IOMMU not found (not registered)

I'm running Arch with 3.6.10 kernel, When vboxpci module is loaded, it tells me vboxpci: IOMMU not found (not registered), But I checked my kernel config, I have the INTEL_IOMMU set already (I uses ...
2
votes
0answers
77 views

Regain control of an X Server

I have a Gnome session running on my server. I started it with tightvncserver. Now it wont let me in anymore because of Too many authentication failures - client rejected This seems to be a ...
2
votes
0answers
248 views

How to setup KVM partitions?

I'm trying to install SolusVM/KVM on a server with one 500 GB HD and one 256 SSD. I am a complete beginner at Linux. SolusVM has a script on the site to download and install automatically, but how do ...
2
votes
0answers
723 views

Debian Squeeze: connect to A2DP (bluetooth) through command line

I would like to turn my Lacie NAS into a A2DP bluetooth source, in order to stream audio to a bluetooth audio sink. The NAS runs Debian Squeeze in a chroot environment, and is connected to a Bluetooth ...
2
votes
0answers
239 views

Boot linux bootloader from Mac OSX

Recently I was running Fedora 17 on my computer which was an HP windows based machine. Unfortunately my computer has a malfunctioning motherboard and will no longer turn on. I removed the hard drive ...
2
votes
0answers
565 views

Missing Firmware for Wired NIC on Debian

I'm trying to install debian 64bit from a debian live image using YUMI on my usb drive. I'm installing it on an Inspiron 6400, and there is missing firmware. I can't connect to the internet ...
2
votes
0answers
219 views

Samba: system group mapping

I have w2008R2 PDC and Linux server with samba and winbind. Now I'd like to add some domain users to Unix adm group in AD. Let's say I have adm group defined in AD, and every user from this group ...
2
votes
0answers
226 views

K800 USB Wireless Keyboard - keyboard repeat rate intermittent problems

Any advice as to how to debug this: My K800 USB Wireless Keyboard's repeat rate intermittently stops working. It will start behaving erratically and when holding a key down it will either not repeat ...
2
votes
0answers
278 views

How to start racoon VPN IKE negotiation automatically?

I have configured racoon at two ends (with pre-shared keys) and trying to establish tunnel. But I have to initiate traffic to start IKE negotiation. Is there any alternative to establishing the ...
2
votes
0answers
416 views

How to use Sony VAIO buttons to lock the screen?

I have a Sony Vaio VPCEG laptop, like this. I'm using Lubuntu 11.10. I'd like to use those 3 buttons (Assist, WEB and VAIO). They work with Windows 7, to recover the system and to open the browser. ...