Linux refers to the family of Unix-like computer operating systems using the Linux kernel. If your question is about a certain distribution only, use a more specific tag.

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mySQL outfile & permissions under Ubuntu Linux

I know there are already several postings on the stackexchange sites about Linux permissions, but I can't find the answer to my problem. I'm working on my own laptop (no web server or anything) with ...
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399 views

Lower bandwidth on Linux than on Windows behind same wireless router

UPDATE: When I connected via an Ethernet cable directly running from my Linux laptop to my wireless router, I get the correct bandwdith (~10 Mbits/s). It's only when I connect wirelessly that my ...
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838 views

configuring huawei e303e dongle on arm9 embedded board

i have been trying to connect 3g modem on arm9 board. bot modem is not getting detected. here is my lsusb: Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub Bus 002 Device 001: ID ...
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136 views

trouble shooting the connection between systems by using telnet?

I have a windowsystem called "A" and Linux system called"B" .Our application software is client -server software. So in this scenario server part of application is resding in a window system and ...
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2answers
1k views

How to find out what port is Exim 4 using for SMTP?

I'm trying to debug a problem with email sending on my home machine, possibly a router related problem. This is on Debian squeeze with Exim 4.72-6+squeeze3 (the default Exim 4 Debian package for this ...
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38 views

Check which printer is online

I have one machine with Windows 7 - Ubuntu 12.04 dual boot, i installed and shared over the network my printer on every two operating systems, naming it printer-windows on w7 and printer-linux on ...
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3answers
2k views

How to incrementally backup a partition (not as a bunch of files) and be able to mount the snapshots?

Is there any tools that allows this use case: I have a LVM2 partition vg-vol; I periodically create snapshots of it, save them (create_new_snapshot --directory=/media/external_storage/snapshots/ ...
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351 views

Can I make mount.cifs reconnect against the same DNS name?

I run Linux in a VM on a Windows host. When I'm in the office, my Windows host machine self registers it's DNS name and it's mymachine.myco.com. When I'm at home, it self registers as ...
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228 views

Bash script template to copy files to predefined destination folders

I need an interactive bash script template to copy files to predefined destination folders. If possible, when prompted for user input tab completion would be enabled for a predefined source directory. ...
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2answers
952 views

Iptables configuration to allow Steam Client

I recently got and setup a small linux (Debian) router box. I'm adding it to an existing network to create a small subnet with specific properties, namely internet content filtering. I'm highjacking ...
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1answer
193 views

USB boot of linux mint killed my HD installation of linux mint

I have linux mint 14 MATE edition installed on a T430 lenovo thinkpad laptop. Yesterday, I wanted to test my bootable USB drive on the machine. After 1 or 2 minutes it booted fine. I created a file to ...
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60 views

Finding postfix path

Using my linux machine, I downloaded postfix to receive and send mail. I can send external mail, but anything internal does not send. My local mail is being delivered to the file ...
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136 views

Linux kernel 3.9 new storage features howto?

Linux kernel 3.9 has been released, which brings new features for storage cache devices (dm-cache), as well as BTRFS RAID 5/6. These features are undoubtedly sexy, but are all but completely ...
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74 views

Insert blank page using Print Dialog

Is there a way to insert a blank page anywhere in the document using the print dialog? The use case in my mind: While in print dialog, if it were possible to direct the printer to insert blank pages ...
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3answers
956 views

zcat | head : write error from large gz file

I was trying zcat to get only the first 1M lines of a compressed .gzip file into a new one. However, I get the following error: $ zcat path/to/R2.fq.gz | head -100 >R2.fqtest head: write error: ...
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205 views

Gparted live CD UI crashed, gpartedbin still running. Anything I can do?

I'm running Gparted live CD v0.15.0-1 on a production file server (after having tested successfully on a similarly-partitioned test server). The actions I wanted to do are: delete /dev/sda5 ...
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1answer
284 views

How can I forward sound output of some Ubuntu virtual machine to my Windows computer?

Is there a way to forward sound output from some virtual machine running Ubuntu to my Windows laptop for example using some sound server (pulse) on Ubuntu and connect to it in Windows?
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605 views

How to dual boot RHEL 6 and Windows 8?

The Situation: I have an ASUS Notebook with Windows 8 preinstalled, i created a new partition and installed RHEL 6 to that partition, but the computer keeps booting into Windows 8 without going into ...
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72 views

Information flow in Linux - how to tell who is currently active and typing?

I'm currently playing a mafia/werewolves game with my cyber-security class. The basic idea is: on one machine, the moderator starts a server program all the players ssh into the machine and launch ...
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2k views

Can't stop/reload/restart nginx with “service nginx”-command

I installed nginx via passenger for running ruby on rails applications. I added the this script: RedHat Nginx Init Script Changed paths for nginx and config to where they are located: ...
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2answers
5k views

Dual Boot TrueCrypt Encrypted Windows and Linux with Grub workaround?

The Major issue of not being able to dual-boot on TrueCrypt disc encryption systems won't get out of my mind. My idea is, wouldn't it be possible to create an encrypted HDD with an Windows system on ...
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137 views

Python taking too much memory on server,

I have a running EC2 instance on amazon AWS. and some time server gives me the memory maximum utilization above 97%. When i saw my server stats on newrelic That showed me the below running processes ...
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1answer
315 views

How to define a custom locale?

I want to define a custom locale with my own calendar settings. In this locale, we set a specified year as the first year. For example, if I define a en_UNIX.UTF-8, I'd like to set AD 1970 as year 1, ...
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331 views

how to set rate of ad-hoc wifi?

I am trying to run a test and I want to set the data-rate on my laptop that is setup for Ad-Hoc mode. If I run iwlist wlan0 bitrate I get a wlan0 unknown bit-rate information. response. Undeterred, ...
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205 views

How to backup image files on mediawiki 1.20.4 using dumpUploads.php

I have run this same backup command on previous versions of mediawiki (on Centos 6.4) and it has worked successfully but now when running this command on mediawiki 1.20.4 - [root@wiki images]# php ...
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1answer
49 views

Gnome sending keyboard shortcuts to an application

I would like to send key board shortcuts from my wm (gnome) to an application (specifically Emacs). for example If I press Some-prefix-key C-x C-s then I would like C-x C-s to be passed to Emacs ...
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1answer
95 views

How do I copy my Microsoft Outlook data without Microsoft Outlook?

My family member's computer stopped running Windows recently (Vista). It said something along the lines of NTLDR is missing. The family member took it to Best Buy and they said that the hard drive was ...
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1answer
104 views

How to delete a file in linux that does not have any/garbage file persmissions?

How do I delete a file that does not have any file permissions ? I am not able to delete file forcefully or as superuser. Please refer the screenshot:
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382 views

Permanently delete using delete key - Linux

How can I set the Delete key to do the same thing as Shift + Delete: permanently delete files, rather than sending them to the trash can? I'm using Linux Mint 14, a Debian distro, with the Cinnamon ...
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86 views

Slower file create on faster server. Why? [closed]

I have two servers. The old one has 24GB RAM, i7-950 @ 3,0Ghz, 2x 1,5TB SATA HDD (ST31500341AS). The new one has 32GB RAM, i7-3770 @ 3,4GHz, 2x 3,0TB SATA HDD (ST3000DM001-9YN166). Now I noticed, ...
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3answers
788 views

linux routing outbound port 80 traffic via ssh tunnel, iptables, or a simple route

I have two hosts, A and B. Host A hosts services on port 8080 and has outbound internet firewall rules allowing port 80 and 443 access to Host C. Host B is on the same subnet as Host A. Host B is ...
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260 views

Tell yum update to given date, no later

I need to tell yum to update to a certain date's patches. For instance, let's say a test box gets updated last Thursday. The owner beats on the machine and determines the patch set is good, so I want ...
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2answers
170 views

Vnc and ssh tunnelling not working

I am trying to access my work computer (server C) via vnc. I have root on this machine. I can't access it directly so I have to go via server B. I have done the following steps. First on my local ...
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121 views

android emulator hardware acceleration on i5-2500K

I just wanted to know if anyone have managed to start the android emulator with the "Use Host GPU" option checked on the i5-2500K buildin gpu using linux. Each time i start it with "Use Host GPU" i ...
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1answer
65 views

Booting an encrypted system from a flash drive without user interaction

I have an unused desktop that I'm planning on turning to a household server running (hopefully) Arch Linux. I know that I can fully encrypt the system and have to enter a password upon each boot but I ...
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757 views

mpeg_decode_postinit() failure [closed]

I'm trying to take some thumbnails via ffmpeg command. My file name is "aaa.ts" and I want to take some thumbnails every second. Frankly, it works, but I have 4 red lines in terminal. So can you tell ...
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154 views

How do I change the output monitor for a text console in Linux / Ubuntu 12.10?

I'm working with an nVidia card and multiple monitors, and the monitor that is used by default for text mode is in portrait mode, forcing me to crane my head to the side to use it when I switch to a ...
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694 views

How to only add lines using patch?

I'd like to be able to use diff & patch in order to write new lines to a file. To clarify what I mean a bit: Original file: test1.repo exclude=mongo* exclude=sqlite* ...
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1answer
351 views

Cron job not abiding by the nice command

I got a script that backs up minecraft worlds, when ran by command (nice -19 ./backup.sh) it doesn't lag what so ever, server load stays low. When I try to do nice -19 ./backup.sh in a cronjob, it ...
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58 views

How iconify xterm when it loses focus?

I am attempting iconify a xterm terminal when it loses focus in fluxbox. I am following this wiki: http://fluxbox-wiki.org/index.php?title=Make_xterm_act_like_a_PC_game_console And so far, I've got ...
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1answer
253 views

Mac/Linux equivalent to resource monitor's disk activity with filenames?

In Windows, the resource monitor allows you to see the filenames associated with the disk activity, but tools like iotop and activity only show overall disk activity from processes instead of the ...
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1answer
700 views

Having trouble installing VLC-2.0.3-5 on Debian

I know that the package is in the repository squeeze-backports, so I added that to my sources.list file. One apt-get update later, I attempt to use sudo apt-get -t squeeze-backports install vlc ...
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3answers
594 views

How to truncate the streaming output of a redirect?

I have a process that outputs a line for every progress update (sidenote: it does clear/replace the line, no pure newline break). I want to save the latest line of that process to an output file or ...
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310 views

Ubuntu boot menu not recognizing bluetooth keyboard

I have a 21.5" iMac, and I have recently installed Ubuntu on it on a different partition, so i can choose my preferred OS each time i boot the computer. When I installed Ubuntu, it automatically ...
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2k views

“extra bytes at beginning or within zipfile,” won't open file

I have an 8.3 gig zip containing tons of telescope observation data, but I can't extract no matter what I try. I've tried Archive Manager, unzip, and tried this guy's fix: ...
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448 views

How to setup cPanel with multiple hard drives on dedicated server

I have a dedicated server with OVH for my website that has 2x2TB SATA3 hard drives. Currently I am using about 12GB with files and MySQL databases, however, an email notification I got from them told ...
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363 views

Galaxy S3 keeps disconnecting and reconnecting: cannot debug Android application

While this question is related to my current Android development, I'm asking it as a simple Linux hardware question. The problem is the following: I have a Galaxy S3 phone attached to my laptop's USB ...
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1answer
330 views

Why would vncserver not use the xstartup script?

I am using Fedora 16, and I've set up vncserver, using the systemctl method... /lib/systemd/system/vncserver@:1.service: [Unit] Description=Remote desktop service (VNC) After=syslog.target ...
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461 views

Installing Linux NIC Drivers on FreeNAS

I have a system with FreeNAS installed on. With all the hardware, we have a HP 10Gbit NIC (NC522SFP) that needs to run. It is physically installed, but the system won't pick it up. I've checked the ...
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125 views

Using Ekiga from a hotel

Since Skype crashes whenever someone signs in, signs out, or sends a chat message, it has become unusable and I need to change. A post at AskUbuntu lists Ekiga as an alternative. When I try to use ...