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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Should I create an EFI Partition In The Debian Installer?

In the Debian Installer after you are done partitioning I was asked if I wanted to create an EFI partition. I do have Windows 7 already installed in EFI mode apparently (that was a mess up on my part) ...
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434 views

Create mount point on read-only filesystem for fstab to mount

I'm running TomatoUSB on a Broadcom-based broadband router. I have a busybox-style shell available to me. I'd like to have a partition on the attached USB hard drive mounted in /data under the root ...
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256 views

Record line-in audio from two applications using Alsa

Im currently working on an small application which runs on a cubieboard (ARMv7, rasp-pi-like). What I really need to do is, accessing and recording the line-in audio-signal from two different ...
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3k views

OpenVPN Bridging Woes (Can't Ping Server From Client)

Here is my problem: I am trying to set up OpenVPN on my home network, to use as a secure tunnel for traffic from insecure networks when away from home, and also to access machines on my home LAN. ...
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69 views

replacing a vm with raspberry pi( copying the libraries and files)

Hi i have a VM on which i was doing my development. now i have a situation in which i should run copies of that vm in different buildings. so i thought of getting a raspberry pi and running my ...
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164 views

how to convert dll.files into linux files

Installed Linux mint yesterday cause W7 does work anymore. Linux mint works OK. How can I convert my email history from emClient (dll-files) to linux-files. I tried importing in Thunderbird, but ...
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2k views

How to move a primary partition into an extended one?

My installation is Fedora 18 and Windows 8, and I need room for another system. I have a very delicate task: I need to move my primary /boot partition inside an extended partition which contains all ...
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721 views

Can I hide BIND mount points from DF?

Is there a formal way to hide the mount points of BIND from df (in CentOS 6.4) ? It's ugly and distracting. Apparently people have been complaining about it for a decade but I cannot seem to google ...
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2answers
736 views

Is there a way to reduce a motherboard chipset load in Linux?

I'm interested in reducing the load on the motherboard chipset, or at least, finding what causes the overheating... I have an HP ProBook 4720s with Ubuntu 12.04, which is slightly overheating. The ...
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1answer
340 views

run a shell script on terminal if terminal is idle for few minutes in linux

i can get terminal idle time by w command as follows $ w 14:37:58 up 2 days, 20:16, 2 users, load average: 0.12, 0.16, 0.14 USER TTY FROM LOGIN@ IDLE JCPU PCPU WHAT ...
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124 views

How to limit the amount of memory that OS X uses?

In linux, one can use the mem=xxxx boot argument to specify how much memory the OS can use. For example, if you say mem=2048 the OS will believe that your computer has 2048 GB of ram regardless of ...
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270 views

Is there a size limit for pam modules run by vsftpd?

I'm writing a pam module to let users authenticate against a PostreSQL database linked to a Django site. It works fine when I let sshd use it, but whenever I try it with vsftpd I get the following ...
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1answer
432 views

Monitoring CPU usage of Virtualbox with top

I'm using the top command in Linux to keep a close eye on Virtualbox which is running a VM. The current CPU in the server is a Quad Core Xeon processor 3.3 Ghz and I have only assigned one core to ...
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55 views

Include exclude patterns rsync relative

I'm trying to sync a large tree on Linux, but include and exclude certain files/directories. My question is regarding rsync's --relative option and how relative paths are handled. Directory structures ...
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506 views

Reusing pre-installed Windows8 OS after installing Ubuntu Linux alongside it

I've bought a laptop which came pre-installed with Windows8 (UEFI enabled). I've read in many places that if I install Linux alongside it, I could run my Windows8 virtualized (instead of using dual ...
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169 views

Where are the TrueCrypt logs located in Ubuntu Linux?

I have tried many configurations and different pen drives. I am using TrueCrypt 7.1a. It always starts formating and then freezes the whole system, I have to forcibly restar my computer. Where ...
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154 views

How to clone a SD card from HP network attached photosmart printer using Linux?

How to make a low level (file system unaware) cloning of a SD card inserted in an HP Photosmart printer, which is accessible via a local network ? smb://192.168.1.58 (192.168.1.58 is my printer IP) ...
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264 views

Linux - How to set up a shortcut to move window to different monitor?

I am using CentOS 6.4. I am aware the similar question has been raised before for Windows and OS X, but so far, the only solution I found for Linux is to press Alt+F7 and move it pixel-by-pixel, ...
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1answer
2k views

Setting User Password Policy as per their group Linux?

I wanted to set a password restriction policy , like minlen , maxage , minage etc . I know the way to do it system wide , Can we do it for a particular group of users . I mean only users under ...
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800 views

SSH Tunnel with socat and tor

I'm trying out tor by attempting to access my development server using socat to create a tunnel, like this: # start TOR tor # create tunnel socat TCP-LISTEN:4141 ...
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1answer
241 views

Booting Debian after upgrade

I have a Debian server. There was a power failure recently and now I'm getting errors during boot up. I had performed a dist-upgrade recently from Squeeze to Wheezy but I don't think my kernel got ...
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3answers
123 views

Use latest version of package in bash script

The installed package libnet-amazon-ec2-perl uses v0.14.1. How do I update this package to use the latest stable release v0.22.1? When I try sudo apt-get --only-upgrade install ...
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143 views

Is `dmsetup remove` safe with respect to contained data?

I have a "lost" SW RAID array as described in this question: http://askubuntu.com/questions/311024/raid1-array-lost-after-upgrade-from-ubuntu-11-10-to-13-04. I have now identified a way to mount one ...
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2answers
681 views

How do I recreate a wiped /boot filesystem in Ubuntu

I accidentally overwrote the /boot filesystem on a running Ubuntu host where the root fs and swap are LVs, and the kernel, initramfs, etc. are under /boot with grub modules and config under ...
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285 views

How can I connect to my linux server with Mac using the credentials of one of the users on the linux box?

How can I connect to my linux server with Mac (Finder and/or Pathfinder apps) using the credentials of one of the users on the linux box?? I am using SMB. The linux box is running Centos 6, Mac is ...
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423 views

Documentation for mdadm bad block support

I've read a bit about that mdadm (and the kernel) now have bad block support but I am having a hard time finding any useful documentation on this subject. Is the bad block list for disk X duplicated ...
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146 views

Load Balancing and Administration of High Traffic Servers [closed]

I am currently thinking of how to best set up my server architecture for a high traffic website which scrapes data from the internet and provides a REST API. One idea is renting root servers in ...
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246 views

No root.disk while installing ubuntu

I am installing Ubuntu 12.04 on Windows Vista using Wubi, offline with pre-downloaded .iso. I executed the following command from an elevated cmd, wubi.exe ...
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285 views

Moved /lib64 to /backup_lib64 using sudo, now sudo doesn't work on CentOS6.4

I did sudo mv /lib64 /backup_lib64 to test some compilation. Now sudo doesn't work at all farhat@heracles:~/software/sudo-1.8.7$ sudo ls sudo: unable to dlopen /usr/libexec/sudoers.so: (null) ...
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140 views

Which network file systems do not implement locking correctly?

As a common cause for file corruption, documentation often cites as cause "NFS that doesn't implement file-level locking correctly" or something similar, e.g., for SQLite: How to corrupt an SQLite ...
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90 views

Slow execution of linux service mtab.sh

I'm trying to speed up the boot time of my raspberry pi with raspbian. With the program bootchart (which makes a graph of the running time of the services at start up) I have seen that the mtab.sh ...
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67 views

Job management for Linux and numerical simulations

I am working on numerical simulations, and I run them with parameters so that they finish in a couple minutes. I'd like to let them run longer, maybe days. Currently, I have the parameters compiled ...
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1answer
411 views

Centos stopped responding

I've CentOS 6.4 on my system. It suddenly stopped responding with the following messages in /var/log/messages Jun 25 21:56:18 ct-0094 kernel: EXT4-fs (sdg1): mounted filesystem with ordered data ...
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54 views

(Linux) Gnome-Screenshot & Cairo-dock

I've been trying to add a gnome-screenshot launcher to cairo dock. I would like it to generate a random filename and save the screen after I've selected the screengrab area. These are the 2 ...
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340 views

How do hdparm's -S and -B options interact?

These two options seem confusing. For example: according to the man page -B 254 "does not permit spin-down". However, testing with -B 254 -S 1 the drive does spin down after 5 seconds. -B ...
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466 views

Virtualbox loses USB connectivity with SmartCard Reader

I'm running VirtualBox inside Ubuntu 13.10 and having issues with USB connection stability. Guest operating system is Debian 7.0 and the USB device I'm trying to work with is a ACS USB card reader ...
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1answer
354 views

Transferring files from host to guest in Virtual Box broken

I have a Windows host and an Ubuntu guest. I have drag-and-drop and copy-and-paste enabled both ways. When I try to drag or copy a folder over I get the folder but none of the contents. Tried with ...
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256 views

Upon reboot, Linux software raid fails to include one device of a RAID1 array

One of my four Linux software raid arrays drops one of its two devices when I reboot my system. The other three arrays work fine. I am running RAID1 on kernel version 2.6.32-5-amd64 (Debian Squeeze). ...
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299 views

NAT router sends RST to a server where a NAT'ed client is connected to

As I tried to remove some Ethernet wires in my home network, I took an older notebook with Linux and tried to use it as some kind of Ethernet-2-WiFi-NAT-router (Wi-Fi card can't act as bridge, so I ...
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158 views

Pip Downloads Failing with Mis-Matched Hashes

I'm asking this question here as I'm almost sure this is a network issue rather than a pip issue.... I do a lot of work with virtual environments, pip and python on my Mac and in Linux VMs on the ...
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1answer
210 views

ip route add HOMEIP via SERVERIP disconnects me from ssh

I want to use a vpn connection on my Debian server but I get disconnected from ssh if I connect to the vpn. I thought by using the "ip route add" I can prevent getting disconnected from my server and ...
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1k views

Update libs in Ubuntu 10.04

I have issue. I installed Ubuntu 10.04 on my machine (I don't want any Unity like, or another dist, because I like Gnome2). I tried to install Google Chrome, like this: ...
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527 views

Can I fix this TAR+XZ file?

I'm doing some file recovery on an old hard drive, using the most recent stable PhotoRec. After finding a lot of files that I wanted to keep, I decided to make some of them (meaning over 700) easier ...
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70 views

how to simulate a file under linux?

I'm basically trying to do this using openssh: I have a private key, however it isn't in file (it's in memory). Now, I want to create the public key in openssh format. For that I would generally run ...
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1answer
1k views

Identifying cause for really slow write speed on SSD during install

I bought a new laptop last December, equipped with a 256 GB Crucial M4 SSD I installed Linux Mint on it and it worked well, except for the "unpacking PACKAGE" during updates that were quite slow. ...
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94 views

Lubuntu UFW does not respond

I have been using ubuntu for a long time. Nowadays, I wanted explore lubuntu. However, I cannot configure ufw. Actually I can but it does not respond. Basically, I cannot get the result of "ufw ...
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1answer
57 views

Create a bootable image of a Linux installation

I have a system that is running out of space.( I hardly have 500MB left ) I want to make a bootable image of my Linux installation and install it onto a laptop which I intend to use as my primary ...
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311 views

Upgrading from loop-aes to cryptsetup

Once upon a time, I had an encrypted external disk that I would mount thus: # losetup -e AES128 /dev/loop1 /dev/sdb1 # fsck /dev/loop1 # mount /dev/loop1 /mnt/wd # ls /wd There are those that say ...
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80 views

Show cat output on less exit

After viewing a file in less, with the convenience of scrolling to the side and searching, I want to be able to view/copy the contents of that file normally in my terminal window without having to run ...
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414 views

Failing to update kernel

I have a Natty linux server with linux 2.6.18 in a VPS. I wanted to install new software in it now when I realized Natty is not longer supported. So i changed the repositories to Oneiric (deb ...