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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Post reboot of RHEL6.3 is not working

I configured RAID 0 on IBM System X server and tried installing RHEL6.3 but after installing the packages once it reboots it wont be able to complete the installation(stuck @ grub loader each time). I ...
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2answers
668 views

Running IE and MS Office in Wine or using sandboxie

I have a friend that constantly keeps having viruses on his computer. The main problem is that he's using Windows with 2-3 antiviruses but he keeps opening unverified Powerpoint files and binaries ...
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257 views

Unrar creating files with backslashes in names instead of proper directory hierarchy

I'm working on moving the content of a website, which was provided to me in a RAR archive, to a new server. I'm not exactly sure which flavor of Linux it is; uname -a tells me: Linux bolt.sonic.net ...
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2answers
3k views

How can I install Linux Mint in a VMware Fusion VM? It fails to boot

I have downloaded linuxmint-14-kde-dvd-32bit.iso and tried to install it, selecting "Linux" and "Ubuntu" for the installation as that looked like the closest match for Mint. Upon attempting to boot, ...
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0answers
47 views

Capture slide show with recordMyDesktop

I want to record a presentation using recordMyDesktop from Linux, but when I start the capture of the slide show of presentation the movie remains on application window instead of capturing my ...
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1answer
100 views

How much RAM I could reduce [closed]

I'm renting VPS hosting where cost is based on RAM. Currently, i'm renting 4G. However, I wonder if I could reduce it to 2GB safely or even 1GB if possible. here my output of: "free -m" when server ...
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2answers
106 views

What are proxies? who stands behind them? [closed]

I'm really confused, I know , that a proxy can let you visit websites without giving out your real IP, and I've used some before to access facebook via my browser. The questions: - Who are behind ...
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0answers
93 views

Dual boot modular partitioning

I want to install linux mint 14 alongside my already installed windows 7; there is an install alongside windows 7 option but I don't know how that will partition my drive and I don't think it will ...
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1answer
206 views

Gentoo installation issues

I have decided to take the next step in learning linux and have taken on GENTOO. I am following the tutorial on this site http://negativesum.net/tech/linux/gentoo/install_guide I am currently at 11 ...
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2answers
361 views

How to execute a command under Linux after booting without a TTY session?

I'm creating a kiosk PC at the moment and I'm wondering if this is possible: When the PC is started and Linux Debian boots and I wonder if it's possible to start the command startx respectively xinit ...
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1answer
483 views

Improving small-file-performance for ZFS On Linux

I used mdadm (RAID 5) and ext4 before, I switched to ZFS On Linux (raidz) because of many reason. But when I working with small files, the performance is terrible. Only 7 MiB/s!? How do I improved ...
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0answers
220 views

wget -0 creating empty file in the file is not present

I am using wget command with the if like this: if (wget -O file) If the file is not present it creates and empty file, how can stop this from happening? What are the alternatives to remove this?
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1answer
234 views

Linux Remote Server Workspace is too busy and nonresponsive?

I have access to a remote server linux workspace, which is currently overloaded with jobs from many users and thus is not responding to any ssh request, currently we do not have any IT personnel to ...
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1answer
559 views

How can I hardreset a modem or the port under Linux?

I have a device (a modem) connected to a USB port (/dev/ttyACM0, Ubuntu 12.04) to dial a phone number, which only works if I perform the ultimate reset (taking device out of USB port, waiting some ...
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2answers
398 views

How to start a program explicitly specifying it's capabilities?

su user_name program starts some program with other uid; chroot path program starts some program with other /; ( ulimit -v 80000; program) limits program memory... How to limit program's ...
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3answers
434 views

Grant root privileges only for one directory

What is the best way to grant sudo privileges to a user only for the /opt/myapp directory as if the user were root in CentOS? The idea is to allow developers to do whatever they want only on the ...
2
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1answer
1k views

rsync between to local directories

I am trying to do rsync between two directories I have in two filesystems connected to the same computer. I want to do it without deleting the extra files in b. I though a simple rsync -a a/dir b/dir ...
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2answers
2k views

How to use iptables to connect proxy server

In my company, all http and https must connect to a proxy server, which means we must set proxy in our web browser. Our department has an internal network (192.168.0.xxx). I use a Linux server as ...
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1answer
4k views

How to non-interactively provide password to SCP, rsync FTP, SFTP?

How can I supply a password on the command line or in a script rather than on an interactive prompt? I need to copy files in a script and lets say public key is not copied yet to the target. OS is ...
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1answer
2k views

How to disable USB devices based on vendor ID in Linux?

I want to disable USB devices based on vendor ID in Linux, and allow only specific devices to be used. How can I do that?
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1answer
182 views

How to configure tripwire to ignore certain files?

I run tripwire daily, I wish to make tripwire --check ignore certain files and directories. How can I do it?
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2answers
761 views

Freeware alternative for Chanalyzer?

I need to analyze the channel my wifi card is operating on. I have found a program called Chanalyzer Pro, offered by metageek. However, it is not really worth it for me to buy the software if I will ...
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2answers
149 views

Linux boot parameters and hacking

Bear with me since I'm a linux noob... I had an assignment for a security class in which I was supposed to gain access to a file in on an administrator's desktop. I modified the boot settings by ...
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1answer
243 views

How to NAT a Windows PC through a Linux server?

I have to NAT a Windows PC with IP 10.10.10.10 through a Linux server with two network cards. The IP addresses of the NICs are 20.20.20.50 (connected to an external network) and 10.10.10.9. The second ...
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1answer
281 views

Passwordless connection to GitHub without EVER needing to enter a password

I cannot figure out how to connect to GitHub from my server (e.g., git pull) without ever needing to enter my password. I have followed all the passwordless setup steps as mentioned in this superuser ...
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2answers
693 views

Can I steal a vim session from another terminal?

I forgot to start screen before I started working, and now I've SSH'd into my machine from my laptop. ps -a gives me the process ID of the vim process. Can I steal the vim session from my other ...
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1answer
38 views

Medium for long-term virtualization

I purchased a Macbook Pro Retina 15in (with all the upgrades) and it is very common for me to fire up a virtual machine on it. I may need an application only designed for Windows, or I may need ...
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1answer
769 views

grub-install gives an error message I don't understand

I'm new to Linux, am using CentOS 6.3, and am attempting to install CentOS 5.8 ISO to a pen drive following instructions from here. My pen drive is /dev/sda and partition 1 is vfat. It's mounted on ...
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4answers
58 views

How to find out what files will be installed in the filesystem when installing a package with aptitude?

In my case I want to do aptitude install wireless-tools but want to know which files will be installed and where in the filesystem before I install the package.
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1answer
142 views

grub-install gives error message I don't understand [duplicate]

Possible Duplicate: grub-install gives an error message I don’t understand I'm new to Linux, am using CentOS 6.3, and am attempting to install CentOS 5.8 ISO to a pen-drive following ...
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1answer
1k views

ejabberd runs on command, but not via service / ejabberdctl

I have ejabberd set up, and if I run ejabberd via command line, it executes fine, I can connect, chat with other people, etc. When I run service ejabberd start everything executes properly, but ...
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1answer
556 views

KMS, linux kernel 3.7 and ati mobility radeon x1350

I got problem with booting new kernel. If I on bootloader pass nomodeset flag to the kernel linux boots up successfully but it doesnt load radeon module to kernel which is really frustrating cause I ...
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1answer
416 views

Linux server broken packages

So, I'm trying to install the PHP5 cURL package on a Ubuntu Lucid 10.04.3 server. My concern is that there are broken packages on this server and if I install this package with the broken packages ...
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1answer
107 views

Is my Linux machine running low of RAM? [closed]

Here a output of "free -m" from my machine, I don't know if this means that RAM is low: root@mymachine:~# free -m total used free shared buffers cached Mem: ...
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0answers
485 views

Linux Mint Mate - Make the terminal icon on the Start Menu launch gnome-terminal rather than Mate terminal

I was having some issues with the Mate terminal in Linux Mint (see How to reset system colors) so have started using gnome-terminal instead. I'd like the change the "Terminal" icon which is on the ...
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2answers
237 views

WinSCP like Sync on linux

I'm trying to sync files to an FTP like WinSCP does on linux (continually checking for changes and uploading changed files). Is there such a thing? I know of rsync but I don't think that triggering ...
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3answers
2k views

What's a reliable technique for killing background processes on script termination?

I use shell scripts to react to system events and update status displays in my window manager. For example, one script determines the current wifi status by listenining to multiple sources: ...
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1answer
1k views

What are commands to find shell keywords, built in functions and user defined functions?

I was discussing with my friend on how the commands are parsed in the shell, and he told me that bash searches the command in following order List of aliases List of shell keywords List of user ...
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2answers
1k views

Finding the memory bandwidth of each core of my processor

Hi I am learning PETSc (a software for solving PDES' numerically in parallel) and I came this passage in the FAQ High per-CPU memory performance is required. Each CPU (core in multi-core systems) ...
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1answer
138 views

What is the difference between the special permission and execution permission

I'm new to unix , i have tried to find the difference between permissions of execute permission and special permissions . For instance , the "su" command has the permissions -rws-r-xr-x Under that ...
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2answers
2k views

Turning off unused hard drives

I have a PC running Ubuntu 12.10 server as my custom home server. There are a number of hard drives connected to it via USB. The server runs 24-7 and I was wondering if there is any way or any ...
2
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1answer
187 views

Encrypting a Dual-Boot Hard Drive

I have a computer dual-booting Windows 7 and Arch Linux. The Arch installation has already been encrypted with LUKS and LVM, as follows: sda Computer's Hard Drive, GRUB2 in MBR | sda1 ...
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2answers
6k views

POSTing a file's contents with CURL

(The following is backstory, you can jump down to "Question:" if you'd like) There's a webpage for one of my courses that accepts input text (expected to be Python code) and then gives some tokenized ...
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1answer
131 views

How to debug timeouts to certain URL from Ubuntu server?

I have a dedicated server running Ubuntu 10.04. Trying to access a certain URL (HTTP-based API service) results in timeouts. I tried curl, wget and others. It was working OK until recently. I can ...
0
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1answer
74 views

Monitor doesn't properly display the supported resolution

So, bit of background. I am using the FLATRON L192WS monitor on a system running Debian Squeeze. Essentially what happened is that when I set the resolustion to the max supported (1440x900), I keep ...
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3answers
7k views

Boot Loader Failed to install. How to proceed

I have windows 7 on one partition and was installing LinuxMint on another partition (I also have a 3rd data partition) and towards the end of the installation it said this message: executing ...
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2answers
1k views

Linux Mint doesn't boot after creating a swap partition

When I was creating my Linux hard drive, I skipped creating a swap partition, thinking that 4GB would be enough RAM. Now, I think I do need a swap partition. I asked some people on IRC how to do this, ...
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1answer
159 views

flaky proxy on virtual machine

I have been battling this for several hours and coming stuck. I use windows XP and a VM box with ubuntu. I have to use the proxy to connect to the internet at work. However I use ubunutu to check ...
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2answers
219 views

The opposite of mount -o loop: can I read a block device as a regular file?

I'm trying to back up an LVM volume using Duplicity (note: not just the file contents of the volume, but the actual volume itself, byte-for-byte). The best way I've so far found is to dd all the data ...
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1answer
2k views

Can't open Acrobat Reader in 64-bit Mint / Ubuntu

After installing Adobe Reader 9, I receive the following error message when trying to run Adobe Reader. /opt/Adobe/Reader9/Reader/intellinux/bin/acroread error while loading shared libraries: ...