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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0
votes
2answers
25 views

How to give rights to user on server to use programs

I installed a bunch of applications via SSH on a Debian Wheezy server. Now I want to give one extra developer rights to use one folder. I added her to a new group "myappdevs" and gave the group ...
0
votes
2answers
2k views

Linksys AE3000 install on linux

I bought a Linksys AE3000 wireless adapter hoping I could use it on my Ubuntu 12.04 box. I found a website that walked through using it, but it didn't work. I edited rtusb_dev_id.c to add: and then ...
3
votes
2answers
573 views

Configuring network settings manually in Qubes OS

I'm trying to setup Qubes OS on my desktop but struggling to get the network/internet working. This is the configuration i want to setup - ip - 192.168.1.2 Subnet - 255.255.255.0 Gateway - ...
6
votes
2answers
151 views

how to mount a range of drives in bash?

I use something like this to unmount a range of drives: umount /dev/sd[c-k]2 Is there any way to use same thing with mount? something like this: mount /dev/sd[c-k]2 /[c2-k2]
0
votes
3answers
33 views

Linux distribution with remote desktop?

I have a old computer, where I want to install Linux. It will be server but I want to use as normal operating system. But I have problem, because I don't have display for this computer, because this ...
3
votes
2answers
170 views

How does an emulated keyboard work?

I have read that some USB devices emulate a keyboard and the information these devices send will be as if the information was typed on a keyboard. For example: a magnetic card reader can use an ...
2
votes
0answers
28 views

Is it possible to login to a Linux machine with AD credentials without the machine beeing member of the AD?

I'm asking because as far as I know this is not possible with Windows machines since it's mandatory that a Windows machine is known to the AD in order to login with AD credentials. Is it possible to ...
4
votes
2answers
495 views

Linux installation stops working after a few reboots

I'm trying to set up a dualboot Win8/Linux on my HP tablet (touchsmart tm2-1050ez). However, when I'm finished setting it all up, after a few more reboots, I'm not able to boot to Linux anymore, as I ...
1
vote
2answers
2k views

Starting Qt Application On Startup for Embedded Linux

I'm trying to get a Qt application to launch immediately after booting up. When booted, the Linux image does nothing more than launch an X server and a terminal. It also has the cron daemon running in ...
13
votes
6answers
563 views

How to achieve portability with sed -i (in-place editing)?

I'm writing shell scripts for my server, which is a shared hosting running FreeBSD. I also want to be able to test them locally, on my PC running Linux. Hence, I'm trying to write them in a portable ...
1
vote
3answers
54 views

Why is there Apple copyright on lpadmin, lpq and lpstat pages?

I am on Ubuntu 12.04. Why do lpadmin,lpq, lpstat man pages have Apple copyright on them?
2
votes
1answer
21 views

How to verify one file of a package, not the RPM itself

For instance, can I somehow use rpm to verify that /etc/pam.d/system-auth is unchanged since it was installed on the system? I know I can do this with an entire RPM, but I want to know if I can do ...
1
vote
2answers
549 views

tkdiff error on Linux Redhat 5.5

I installed tkdiff as root, and it runs fine under that user, but when I switch to a local user I get the error: Application initialization failed: Can't find a usable init.tcl in the following ...
5
votes
3answers
2k views

How can I get an alert when my battery is about to die in Linux Mint?

This happens to me more than I'd like to admit, but sometimes I don't notice the power getting low since it only shows up in my status bar, then the computer just quits. I'd like a big alert that ...
2
votes
1answer
346 views

Boot graphical application straight from Linux bootup (without verbose boot messages and desktop)

Is it possible to boot from minimum Linux core(Linux/Android) to an application (preferably created in interchangeable platform languages such as C# – Mono / GTK / Java / C) without any verbose ...
0
votes
0answers
110 views

Black Screen after log-in in linux Mint 17 Cinnamon Qiana

Installed Linux Mint 17 Cinnamon Qiana on my Toshiba Satellite M55. Every once in a while I get a Black Screen after I log-in and I all see is the Mouse pointer. I checked and double checked the ...
1
vote
0answers
19 views

nfsroot freezing every once in a while presumably due to network glitch

Setup I've set up a thin client running gentoo according to these instructions. It seems to work quite nicely except that every once in a while it freezes. I've found that I can duplicate the issue ...
2
votes
1answer
288 views

CHROOT: Unable to copy files to jailed users directory from local machine using WINSCP

I've setup a chroot environment for one of my users called client on my system. I'm using WINSCP to connect to my server from my machine using public key authentication. Everything works fine, I can ...
1
vote
2answers
49 views

Drop TCP packets and prevent TCP retransmission

I have an application that sends TCP data to a server. My server is made to intentionally drop the packets sent by the application, and as a result the client retransmits the packets. I need to ...
27
votes
10answers
9k views

How do I find how long ago a Linux system was installed?

How can I find the time since a Linux system was first installed, provided that nobody has tried to hide it?
0
votes
1answer
22 views

Route OpenVPN clients to another different OpenVPN server

I have this scenario.. Server(Primary) with a multiple OpenVPN connections (so server is connected as a client to multiple OpenVPN servers.. lets say secondary servers) This server runs OpenVPN ...
0
votes
1answer
32 views

When does Linux send a root mail and how to force it for testing purposes?

Let's say I want to test root mail functionality after I set up nullmailer, how do I force my Debian Linux system to send a root mail? And furthermore on which events does Linux send root mails at ...
0
votes
0answers
47 views

Linux curl request for SOAP webservice call

I have a SOAP webservice WSDL and when I make a call with SOAP-UI tool, it works perfectly fine.... Now, Im trying to mimic the same call using LINUX CURL but get a 404 error, Here is my CURL ...
-2
votes
1answer
35 views

Linux basic web server setup and access [closed]

very simple questions: I installed CentOS7 and Apache on my work PC (connected to my company's network with a given IP address). No other OS installed, just Linux. I created a simple hello.html file ...
1
vote
0answers
89 views

Linux, openSuse on virtualBox not showing usb

My virtual box is installed on the host(Win 8.1). In the virtual box, I have installed OpenSuse as the virtual machine, but I am having trouble accessing the usb in OpenSuse(vm). I can't see any ...
3
votes
0answers
31 views

Can inotify be used to watch for a specific file to be created without monitoring the entire directory?

I want to be notified when a specific filename is created. I'm looking at inotify. The IN_CREATE flag is available for monitoring a directory for any changes within it, but I'd prefer not to monitor ...
2
votes
2answers
47 views

How linux installation process works [closed]

can anyone explain me how Linux installation process works? With Windows, installation process starts with Windows Setup. It's a program that installs Windows. Setup starts and restarts a computer, ...
1
vote
1answer
506 views

Instaling Linux on a machine with Asrock Z87 Extreme 6

I am not able to install Linux in my newly built machine. I think it can be related with my MB (Asrock Z87 Extreme6). I already have Windows 8.1 installed without UEFI. When I boot (linux) from the ...
2
votes
2answers
727 views

How to install and use at job scheduling?

I am not clear on the following: Is the process for at available to all linux installations? Or do would I need to do something to "install" it?
2
votes
1answer
14 views

autofs does not prompt for password when needed

I am trying to setup an automount point using autofs to mount a samba fileshare. I am using the following syntax in my auto.misc file mydir -fstype=cifs,rw,user=myusername ...
3
votes
0answers
14 views

How to get gnome to run /etc/gdm/PostSession/Default when using XRDP w/ VNC

I use Microsoft's Remote Desktop Client (mstsc.exe) to connect to a linux server with GNOME as my desktop. I've set up /etc/gdm/PostSession/Default to execute some steps on cleanup - which works when ...
0
votes
1answer
43 views

How does sudo decide whether a command is only executable by sudoers with ALL rights?

I just wondered why on a Debian system with sudo installed a default user can execute ls but not ifconfig since the binaries do have the same rights: -rwxr-xr-x 1 root root 114032 Jan 26 2013 ...
0
votes
1answer
568 views

How to execute Netscaler commands through a remote machine via SSH connection

I have been trying to execute some NetScaler commands like "bind" & "unbind" through a Linux Box via an SSH Connection. Now the Problem is, Manually we are able to enter & execute commands on ...
2
votes
2answers
39 views

How to make an infinitely executing command kill itself when certain conditions are met?

I'm running a command on command line which infinitely generates a certain data and I'm looking for a particular bit of data, so I used grep to find it. As soon as I get the data, I want the command ...
3
votes
1answer
447 views

Can you create a volumegroup in LVM that all the Logical volumes created under it will be thin provisioned?

I would like to know if it is possible to create a volumegroup in LVM that all the Logical volumes created under it will be thin provisioned? This will be used on RHEL 6 which does include thin ...
2
votes
2answers
1k views

How to reduce ClamAV memory usage?

I'm running a Ubuntu based web server (Apache, MySQL) on a 512MB VPS. This is more than sufficient for the website it is running (small forum). As I wanted to add some protection against viruses I ...
1
vote
1answer
271 views

ixgbe: increase rx performance

I have an Intel 82598EB 10GBE NIC. I need to receive traffic without packet loss. Data rate is 4-5 Gbps, packet size is 1500-9600 bytes. I had already configured smb and irq affinity. I also tried ...
2
votes
2answers
87 views

find: File system loop detected

When I try to find a file using find -name "filename" I get an error that says: ./var/named/chroot/var/named' is part of the same file system loop as `./var/named' I ran the ls -ldi ...
2
votes
2answers
520 views

Lost window title bars and everything after selecting bad window theme in Linux Mint

I've selected a window theme from the "Advanced Settings" in Linux Mint 12 which seems to be corrupted and I've lost everything on my desktop. I can't start any applications but I can open the ...
2
votes
1answer
26 views

RHEL Error message mounting luks crypted filesystem at boot

I am configuring a luks crypted file system to be mounted at boot time using RHEL 6.5 I did all the configuration from command line and tt worked but printed an error message after asking for ...
0
votes
1answer
4k views

Arch linux vmware workstation 9 installation problem

After partitioning the drive and installing archlinux after reboot I get this error: piix4_smbus 0000:00:07.3: Host SMBus controller not enabled. sda1: WRITE SAME failed. Manually zeroing. Then ...
13
votes
1answer
2k views

Who creates /etc/{group,gshadow,passwd,shadow}-?

In any linux system I have access to (a couple of Archlinuxes, an Ubuntu, a Debian Sid and a Gentoo) there are the following 4 files in /etc/, all ending with a dash: /etc/group- /etc/gshadow- ...
2
votes
1answer
43 views

per process private file system mount points

I was checking unshare command and according to it's man page, unshare - run program with some namespaces unshared from parent I also see there is a type of namespace listed as, mount ...
2
votes
2answers
65 views

Linux cannot compile without GCC optimizations; implications? [closed]

One can find several threads on the Internet such as this: http://www.gossamer-threads.com/lists/linux/kernel/972619 where people complain they cannot build Linux with -O0, and are told that this is ...
0
votes
1answer
395 views

md5 or sha1 while copying a file

Is there a way in any linux distro to perform a md5sum or sha1 check while the file is being transferred from a local partition to an NFS one? Example: I have a NFS mounted drive and a very big file ...
1
vote
0answers
14 views

How to make AltGr+i,j,k,l work properly as cursor keys?

(I already asked this question on superuser but got no answer so I'll try here now.) I would like to have the cursor keys and some others available as AltGr+c,h,t,n etc. (i,j,k,l if you have qwerty). ...
1
vote
1answer
32 views

Shell Script To Find Windows Partitions and Replace Desktop Image [closed]

I am in need of a shell script that will detect Windows partitions and replace the desktop image and place an image on the Desktop. I need it to detect if there are multiple disks in on the computer, ...
4
votes
3answers
6k views

Cleaning log files under linux

I am using a kvm ubuntu 10.04 virtual machine to test some features of a kernel module. I grep through the /var/log files to observe the kernel messages about that module. To start from a clean ...
0
votes
0answers
11 views

Cinnamon doesn't load at launch loading LXDE instead, what is wrong here?

Hi I Found myself with this weird issue that after installing Cinnamon desktop environment on a Debian-based linux distro, with apt-get upgrade apt-get install cinnamon, at the log-in moment even ...
4
votes
3answers
59 views

What is a good strategy to generate and copy files atomically

I have a file myfile that must be re-generated periodically. Re-generation takes some seconds. On the other hand, I have to periodically read the last (or next to last) file generated. What is the ...