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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Editing the same file from multiple computers

My friend and I need to view and edit the same file at the same time. We were using Google Docs, but the firewall is now blocking it. If we connected our computers with a network cable (no hub or ...
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5answers
315 views

Is there a way to encrypt a drive with Truecrypt, and keep your data?

Simple question, using the Truecrypt program, can I encrypt a hard drive without it deleting the data on the drive? I know I can do this with Bitlocker on Windows, can I do the same with Truecrypt on ...
1
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5answers
67 views

Make all changes by a user reversible on linux

Is it possible to safe all changes a user does in his home directory? The idea is to be able to recover a home directory if a file is deleted or overwritten. My problem is having an old family member ...
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5answers
250 views

How can I prevent code from initiating outbound http connections?

I want to prevent code from making http connections to other, specific hosts. My understanding is this can be done in /etc/hosts.deny. What would that look like?
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5answers
85 views

How to divide RAM: half for Linux, the other half for an application

We have a system with 1 GB memory. Out of this, i would like to restrict only 512MB for linux and would like to access the rest 512MB directly from an application that runs on linux. What is the ...
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5answers
290 views

CentOS space lost?

I have a centos 5.5 VM (6GB) just for php development, recently i've noticed about space lost: df -h Filesystem Size Used Avail Use% Mounted on /dev/mapper/VolGroup00-LogVol00 ...
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4answers
7k views

Hard Reset USB in Ubuntu 10.04

I have a USB device (a modem) that is really finicky. Sometimes it works fine, but other times it refuses to connect. The only solution I have found to fix it once it gets into a bad state is to ...
2
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4answers
69 views

Access data from a linux partition inside an image without root privileges

I have a whole-drive image file containing a partition table and some partitions. I would like to list and read files from an ext2/ext3 partition inside this file. Using root priveleges, it is ...
2
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4answers
558 views

init.d script with screen command does not work

I wrote this simply start script: SESSION_NAME="session1" COMMAND="python /opt/aaa/manage.py runserver 192.168.1.1:4300" case "$1" in start) screen -dmS "$SESSION_NAME" "$COMMAND" ...
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4answers
4k views

Network interface/dhcp problems ubuntu with kvm and network bridge

I have a ubuntu system running 12.10 I am using KVM and have configured a bridge for the virtual machines, which is using nat forwarding. I am having problems with the connection dropping out ...
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4answers
1k views

Grub doesn't show OS selection menu when booting a dual boot setup

I have installed windows and Linux(ubuntu) on the same machine. Now the problem is when I start my machine, It goes directly to Linux and does not ask me for the selection of OS either I want to load ...
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4answers
5k views

CentOS installing jre/jdk error

[root@jony source]# sh run.sh Error occurred during initialization of VM Could not reserve enough space for object heap Error: Could not create the Java Virtual Machine. Error: A fatal exception has ...
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4answers
143 views

IPtables keeps resetting rules and blocking almost everything

Every time I reset IPtables, the rules keep coming back in about 10 minutes, blocking everything besides port 22 and 80. When I do a "iptables-save", I see this I can't find out where it's coming ...
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4answers
3k views

Dual booting windows 8 and Kali Linux 1.0.8

I'm trying to install kali linux along with windows 8 The latest Kali version (1.0.8) supports booting alongside windows 8 I installed Kali Linux from a LiveCD, rebooted and it went straight to ...
0
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4answers
1k views

Apache 2.4 vhost not working

We have a new Centos server installed with Apache 2.4.9. I'm trying to get the vhost working. DNS resolves to the right machine, and I can see the default Apache page, so it's not a firewall issue and ...
0
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4answers
258 views

Dual Boot At the Same Time

Assume I have a Linux host, with Windows-7 installed in a partition on the same drive. Is it possible to boot into Linux, save its state to memory (Hibernate, essentially) then boot up Windows right ...
0
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4answers
173 views

how to view Linux files in a window from the windows machine

I can use putty to access Linux server from a windows machine. But it's kindof inconvenient to navigate through the folders. Is there a way to view the folders in a window (the windows look-and-feel) ...
0
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4answers
169 views

how to access homedir by root user

I want to access root user's home directory /root/. However following commands dont lead me to the root directory. sudo -s cd ~ It leads to the home dir of regular user. How to access /root ...
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4answers
889 views

Linux program for making a bootable ISO file

I have Windows XP as an ISO file on a USB stick and want to make it bootable. Which Linux software do you recommend for doing that?
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4answers
3k views

Single application through OpenVPN tunnel (Debian Lenny)

I'm using Debian Lenny and I want to tunnel rtorrent only through a OpenVPN tunnel. I have a tunnel running, the config file looks like this: client dev tun proto udp remote openvpn.xxx.com 1194 ...
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4answers
199 views

Get XMMS2 to call outside script on automatic playlist advance?

Is there a way to get XMMS2 to call an outside script when it advances in a playlist - either automatically or via manual intervention (e.g. xmms2 next)? The goal is to have balloons pop up on my ...
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4answers
4k views

How to know if gdb is installed?

How can i know if gdb is installed in a unix machine? I run the following commands: > gdb > gdb main and the result is gdb: command not found but i don't if this means that gdb is ...