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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Recording software that records GigE video stream into file (ARM)

Is there a video recording software for Linux on ARM architecture that records from GigE interfaced camera to file? I'm trying to record HD resolution video onto my CM-FX6 SoC. Thanks.
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0answers
12 views

how to open someone's shared calendar on thunderbird

I just receive an email with title "Sharing invitation: XXX - Calendar" on thunderbird and there is a xml attachment together. I just want to know how I can open this shared calendar. BTW I am using ...
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1answer
69 views

Installing Linux by copying?

I've been trying to install a few linux distros on a machine with hybrid strorage - /dev/sda is an HDD and /dev/sdb is an SSD , with /boot, /swap and /root on the SSD and /home possibly on the SDD or ...
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0answers
28 views

/proc/stat - is guest counted into user time?

I have a quick question. In man page for /proc/stat this is not clear to me: Is guest and guest_nice time included in user time in /proc/stat? http://man7.org/linux/man-pages/man5/proc.5.html in ...
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0answers
21 views

Linux mint sound problem

Suddenly my sound doesn't play from the headphone jack anymore, for no apparent reason. I use a NUC and have always switched manually between output devices, as needed. If I switch to "built-in audio ...
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2answers
79 views

Atomic removal of directory

Because rename(2) is called by mv, is it safe to assume the following would be atomic? $ mv /home/me/someDir /tmp/toBeDeleted $ rm -rf /tmp/toBeDeleted
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1answer
54 views

RHEL ISO with kickstart file

I am trying to edit the original RHEL 6.5 DVD (rhel-server-6.5-x86_64-dvd.iso) from redhat in order to add kickstart file on it. The goal is to have one 3.4Go iso with automatic install. And not one ...
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0answers
16 views

What Linux app will show me how much internet bandwidth each process is using? [duplicate]

Linuxmint 13 Cinnamon 32 bit with ver. 16 backports ethernet (eth0) + pppoe (ppp0) + FTTH (fiber optic to the home) no wifi What program(s) can I use to tell me how much up/down internet traffic ...
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1answer
90 views

How to disable automatic updates in CentOS 7?

CentOS Linux release 7.0.1406 (Core) / Linux 3.10.0-123.13.2.el7.x86_64 Last week, I noticed that when I tried to restart, there was an option to Install Updates & Restart. I do not recall ...
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2answers
77 views

Why does my cronjob not execute my shell-script?

I have a crontab that creates a dump of my database every night: 20 3 * * * /path/to/dailydump.sh dailydump.sh contains: #!/bin/sh DATENAME=`date +%Y%m%d` ...
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0answers
72 views

Google Hangouts chrome extension transparency issue in Linux Mint?

I am new to Linux Mint. I just installed the Google Hangouts chrome extension (the one that looks like Facebook's Messenger pop-up heads). Unfortunately, all the circles have a white box around it, as ...
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1answer
28 views

USB3 to Ethernet stops after sometimes

This is my first post to this website. I this that my question is related to serverfault cause it is related to ethernet communication issue. If you disagree please let me know what is the appropriate ...
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2answers
84 views

postfix multidomain myhostname configuration

I have two IP address running on Postfix and each IP has own domain. In short i want to isolate domain so outside folks think it is running on own IP and fully isolated even PTR also But in postfix ...
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0answers
35 views

How to increase /dev/sda2 partition in rhel6?

I have 2 partitions, filesystem is ext4. One is /dev/sda1 mounted with /images. Another one is /dev/sda2 mounted with /videos. /dev/sda2 is 99% full, I need to increase this without using lvm. I ...
1
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1answer
37 views

generate traffic at wire speed

I have x86 based machine with Intel Core2 CPU 6300 1.86GHz and 2G of memory. I'm looking for options to generate traffic on the machine at line rate, or as close as possible. OS is Fedora 20 with ...
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0answers
42 views

Monitor the creation of new processes

I want to get a notification whenever a new process is created. I've tried to use inotify on /proc, but it didn't report any event even though a new directory appeared in /proc. I could list the ...
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0answers
18 views

Postfix multi IP/Domain SMTP Helo'ing

We have Postfix running with two domain and each domain has own IP so it's isolated. But Spamhuaus blocked my IP and saying you are sending "localhost.localdomain" HELO I am already using ...
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0answers
42 views

"Error: no device found for connection 'static'. while creating network connection with nmcli

I am using Red Hat Enterprise 7 for on Vmware. I am getting error which creating network connection with nmcli Here is my all steps [root@localhost Desktop]# nmcli con show NAME UUID ...
11
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1answer
488 views

Why does Linux use SCSI drivers for non-SCSI devices? [duplicate]

Looking at what block device commands like lsblk or blkid return it seems that linux HDD support SCSI drivers regardless of the type of the devices, like a USB flash driver that is presented as ...
1
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1answer
22 views

Why autoconf.h is not copied automatically to its place?

I'm working on a clean Debian 7.7 install. After the install everything was working fine except the webcam in Iceweasel browser. After reading a lot I found that the best solution is to install ...
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0answers
34 views

Linux Kernel Panic and Problem with boot

I have installed CentOS 6.4 on VmWare Workstation (Win 8 as Host OS). I worked with it for several days, but suddenly when I rebooted it, it did not boot properly and on stopped with this error : ...
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0answers
28 views

intel_agp kernel module not found

I trying to use intel embedded HD 4400 graphics. As best as I know, it's need to load i915 kernel module (and the kernel module loader also try to load it) without success because it's depends from ...
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0answers
60 views

Is Traffic control inside namespace on ports created by OpenvSwitch supported?

I am trying to limit the bandwidth of an interface inside a namespace using tc without much success. Seems it's not supported according to ...
0
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1answer
38 views

installed programs won't appear on linux lite

I've been struggling to install any program on linux lite. After I install them with Synaptic, the files of the installed program are there, but they don't appear anywhere in the dash (searching in ...
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0answers
54 views

Fork / Cannot allocate memory

I have a 64-bit server running linux 3.x that reports "bash: fork: cannot allocate memory". This server has plenty of RAM (64G) and swap (128G) and I cannot see a particular process being the culript ...
2
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1answer
32 views

Set group ownership on FTP upload via an ACL

I am interested in setting an ACL which will chown all the files I upload through FTP to the www-data group. However, after performing chown -R user:www-data /var/www/website.com/public_html/ ...
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2answers
78 views

`nice` not really helping on Linux

I am a regular user on a remote Debian installation (not an administrator). I run there a special-purpose network server which is used very extensively. The server produces daily logs which are quite ...
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0answers
25 views

How to run a script when install a rpm package and answer the installation questions

I will like to know how to install the RPM and answer the installation question automatically if is possible. any ideas.
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0answers
16 views

how to change vsftpd user home directory to another machine directory with another os?

I have a ftp server(vsftpd) on linux distro and i want to change root directory of specific user to another directory, this directory lived on another machine with windows server on os, Is this ...
1
vote
1answer
64 views

install with BTRFS: subvolume/partition scheme?

I'm fairly new to both GNU/Linux and btrfs, but I've decided I want to make my next computer (a desktop with one HDD) use Linux with btrfs as the filesystem. However, I've seen some advice online that ...
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0answers
37 views

linux + cant installed the package GNOME Desktop Environment on linux red-hat

I have been installed the package GNOME Desktop Environment on my red-hat machine version 6.4 in the end of the installation I get the error about missing RPM- GPG-KEY-oracle directory !!! ...
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0answers
62 views

Creating ISO Bootable Image from a CentOS (Linux) system

I have a Linux machine (CentOS 5.8) on which I have installed multiple applications and tools (with yum and few others after compiling the source code) on it. As I have spent considerable time in ...
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2answers
33 views

Bind Mounting across different file systems

Does the command mount -o bind allow mounting a folder from a different file system (vfat, ntfs) to a folder in Linux native partition?
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0answers
30 views

open Mysql connection for long time to execute queries in block

I am writing one script which execute bunch of queries in block. here block means version number, each version have different different queries. I write two shell script. 1 version.sh version.sh ...
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1answer
21 views

Controlling ftp access with vsftpd

I'll preface this with the fact that I'm a bit of a newb with linux and especially with vsftpd. However, I had it set up such that I was able to upload files to a VPS I set up. The only problem is ...
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1answer
12 views

Different DB Package Installation Calls

I've read/seen various DB installation tutorials and one thing often perplexes me... sometimes I see people install both mysqldb & mysqldb-server, or only one or the other. My question is: are ...
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0answers
9 views

Deleting qlogin job, cannot find job number to qdel it

I used qlogin to work in python on a computer, and I took up about 150GB of working RAM. I closed the terminal, rather than qdel the job number, and now the RAM is still shown as being used and I ...
0
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1answer
227 views

Upgrading centOS 6.6 to 7

I have recently upgraded centOS 6.6 to 7. It seemingly boots up, but it can not open the log in page, Actually the systems is frozen here. Does anybody have similar experience? If so, it would be ...
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0answers
39 views

Do high DPI screens play nicely with tiling wm's?

I'm currently on a 15' laptop which has a moderate resolution (1920 x 1080). The other day, I spent some time with a friend who owned a Macbook Pro Retina. Just looking at the screen, made my eyes ...
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1answer
25 views

How to carry a string over from one chain to another in iptables?

Here's what I'd like to do. In my rule file (which I use with iptables-restore) I have (with limits removed): -4 -A LOGDROP -j LOG --log-prefix "ipt:4:drop " -6 -A LOGDROP -j LOG --log-prefix ...
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votes
2answers
55 views

Linux graphical password dialog trick security

When we run a command by sudo, the password is asked [sudo] password for user If the sudo is not typed the password should not be asked. If asked, I would assume it as a fraud by the application. ...
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1answer
97 views

Why cannot we kill a zombie? [duplicate]

I am editing this question since it was marked duplicate as another question about how to kill a zombie process. I am not looking for an answer to how to kill a zombie process. I do not have zombies ...
2
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1answer
175 views

Can an X video driver be restarted/reinitialized without loosing the session?

Have been experiencing problems with my laptop display usually brought on by interacting with graphics images in chromium web browser. When it happens the display goes haywire as if the horizontal and ...
2
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2answers
29 views

Why does uninstalling sendmail install exim, and uninstalling exim installs xmail?

I just set up a VPS with Debian 7 x64, and removed Sendmail along with some other programs. When it removed Sendmail, it also installed Exim. When I removed Exim, it installed xmail. Is there any ...
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0answers
71 views

ping localhost sometimes fails with sendmsg: Operation not permitted

I have a problem with network adapter (i think) , look I trying to ping my self and got a error sometimes, how this can be ? First time in my life i see this. # ping 127.0.0.1 PING 127.0.0.1 ...
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0answers
64 views

Clone monitor on HDMI without changing laptop display resolution

My laptop's display has native resolution of 1366x768, and I connect it to my TV which has 1920x1080i. My problem is that the only supported resolution for cloning is 640x480, which happens to be the ...
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1answer
43 views

Linux on HP Laptop

I have an HP Pavillion p027 TX Notebook PC with the following hardware: Intel core i3 4030@1.90 GHZ and 4 GB RAM NVIDIA GEFORCE 830 M Broadcom 43142 Bluetooth Broadcom 43142 b/g/n wifi adapter ...
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1answer
42 views

rebuilding my grub2 menu based on my one installed kernel

tl;dr : I have one kernel now on fedora and want that ONLY with Windows 8 to show up on my boot menu. I've been tweaking and geeking with linux kernels. Then I wanted to clean up my boot menu. So ...
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1answer
34 views

Selectively record commands and output from terminal to MySQL table

In some situations I would like to store complete commands and output from terminal sessions in a MySQL database. Ideally I would just copy the command and output from the terminal to my clipboard ...
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2answers
59 views

Where to locate resolv.conf file in CentOS 7

I know that "/etc/resolv.conf" is auto generated file by "/etc/resolvconf/resolv.conf.d/head" when reboot Ubuntu 14.04. It's ok But where i can locate same "/etc/resolvconf/resolv.conf.d/head" file ...