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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7
votes
4answers
421 views

What installer types should commercial software use to support Linux?

The source code in not open or free, so compilation at installation is not an option. So far I have seen developers that: provide a tar.gz file and it is up to user to uncompress in suitable ...
7
votes
6answers
671 views

Linux Programmable Controller

I'm looking for a programmable Linux controller for home automation and general fun projects. Requirements: Controlling electric appliances - On/Off switches and dimmers (perhaps using relays) ...
6
votes
5answers
2k views

How do you free up resources in Ubuntu?

What steps do you take to make a vanilla Ubuntu system run faster and use less memory? I'm using Ubuntu as the OS for my general purpose PC, but it's on slightly older hardware and I want to get as ...
4
votes
1answer
3k views

Can anybody recommend an HTTP debugging proxy?

I would like something that allows me to: Inspect all HTTP(S) traffic between my computer and the Internet, including 127.0.0.1 Modify incoming or outgoing data It would also be nice if it had a ...
5
votes
3answers
1k views

How can I tweak the kernel for total swap out?

I would like to deploy the following swapping policy: By default all pages in memory should also be in swap space. When a page in memory is changed (i.e. dirty), the page should be written out as ...
38
votes
3answers
17k views

How do SO (shared object) numbers work?

I'm aware that shared objects under Linux use "so numbers", namely that different versions of a shared object are given different extensions, for example: example.so.1 example.so.2 I understand ...
6
votes
5answers
801 views

Download Manager for Linux

I need some good download manager for Linux (like IDM on windows). I want it to be able to install a browser plugin too, which allows you to download movies from youtube or other sites easily. It ...
1
vote
1answer
2k views

Configuring the display properties on openSuse (Gnome) running as VirtualBox VM

I just created a VM using Suse Studio and I built just a simple openSUSE 11.3 VM based on the gnome template. I have not added any other software (except for Firefox and the Kernel modules, to be able ...
1
vote
3answers
1k views

How to integrate sound with desktop events?

On Windows, the Sounds & Multimedia control panel allows the connection of sound snippets to various operating system events, like window movements, process start/stop, and start-up/shutdown. I ...
5
votes
1answer
837 views

Is it safe to disable OOM killer in a web server/reverse proxy?

I have Linux machine dedicated to serving static contents and PHP pages with Apache. Apache also work as a reverse proxy in a subdomain. I moved the PostgreSQL database to another Linux machine. Is ...
14
votes
4answers
13k views

What is the equivalent of Active Directory on Linux

I have a couple of machines at home (plus a number of Linux boxes running in VMs) and I am planning to use one of them as a centralized file server. Since I am more a Linux user rather than a ...
6
votes
5answers
368 views

Linux as a complete development platform?

I want to make my Fedora Linux capable of following : Use Linux for complete development platform without requiring any other OS installation but still able to build and test programs under ...
45
votes
11answers
13k views

Is it good to make a separate partition for /boot?

I've seen some people make a separate partition for /boot. What is the benefit of doing this? What problems might I encounter in the future by doing this? Also, except for /home and /boot, which ...
9
votes
5answers
739 views

What should I expect if I switch from Ubuntu to openSuse

As probably most of you I have been long using Ubuntu. I'm not an expert, but I have been using different distros until I settled with Ubuntu. I started using SuSE 5.x, Conectiva (that later became ...
2
votes
6answers
423 views

Recommend a reading for learning Linux firewalls configuration for beginner? [closed]

I am using Linux at home and want to be able to configure firewall. I would like to understand what I am doing not just copy paste some rules from internet :).
15
votes
3answers
8k views

How can I move the home directory to a separate partition?

I would like to install another distribution but keep my home directory. Is there a way to move the home directory to a separate partition? I don't have an external hard drive available to back up my ...
12
votes
5answers
2k views

Is btrfs stable enough for home usage? [closed]

btrfs has finally found its way into the latest kernels, is it considered stable and safe enough to use in a home backup scenario (as an alternative to zfs) ?
36
votes
7answers
2k views

ZFS under Linux, does it work?

Could I get ZFS to work properly in Linux? Are there any caveats / limitations?
7
votes
2answers
604 views

In place upgrade of a software raid 5 array

I run a software raid array for my backups, but my data has outgrown capacity. considering I have a full 2.4TB array with 5*600GB drives and also have 5*2TB drives I would like to swap in. What ...
11
votes
3answers
14k views

What are the (dis)advantages of ext4, ReiserFS, JFS, and XFS?

What purpose is each suitable for?
7
votes
3answers
8k views

How do I connect a serial terminal to a KVM instance?

Perhaps I'm misunderstanding what KVM is capable of, but the ability to add/remove hardware on the VM seems to imply I can add a serial port that then acts as a terminal. So, my questions are: ...
43
votes
11answers
19k views

Recommended reading to better understand Unix/Linux internals [closed]

I've worked on *nix environments for the last four years as a application developer (mostly in C). Please suggest some books/blogs etc. for improving my *nix internals knowledge.
22
votes
3answers
2k views

How can I set the processor affinity of a process on Linux?

The question is all in the title: How can I set the processor affinity of a process on Linux?
5
votes
3answers
249 views

RAID 1 in linux

I'd like to setup RAID 1 with two drives in linux. I don't have a hardware RAID controller and don't want to buy one, so what is the best software RAID option for linux? Note: If it makes a ...
5
votes
1answer
408 views

How can I setup Apache on Linux to stream WMV-HD to Xbox 360?

What I am looking for is a free and open source solution. If the distro I use matters, it is Open SUSE. VLC supports only WMV1&2.
11
votes
5answers
15k views

Stop program running at startup in Linux

How do I stop a program running at startup in Linux. I want to remove some apps from startup to allow them to be managed by supervisord e.g apache2
26
votes
12answers
3k views

How can I tweak my Linux desktop to be more responsive?

I have the experience that Linux works fine until the physical memory is exhausted. As soon as swap space is used the performance is severely degraded and the GUI becomes unresponsive. This problem ...
14
votes
6answers
6k views

What's the best way to partition your drive?

I usually install Linux on a single partition since I only use it as a personal desktop. However, every now and then I reinstall the box. And what I do is to simply move my files around with an ...
8
votes
5answers
2k views

On Linux, is there an rc.local equivalent for shutdown?

I've got a few commands that I run in rc.local so they are run last in the startup sequence. I would like to know if there is a similar facility for undoing the results of those commands at shutdown, ...
22
votes
7answers
5k views

How can I use DD to migrate data from an old drive to a new drive?

I am upgrading the internal SATA hard drive on my laptop from a 40G drive to a 160G drive. I have a Linux/Ubuntu desktop which has a SATA card. I would actually like to do the same thing for a couple ...
10
votes
5answers
16k views

Which cell phones run Linux?

I know of the FreeRunner, but are there any other Linux cell phones out there? Are they any good?
10
votes
4answers
1k views

What makes a portable mp3 player work well with Linux?

I'm in the market for a new portable mp3-player, and will be connecting it mostly to a Linux box, but occasionally to a Windows Vista machine as well. I'm wondering what qualities I should be looking ...
5
votes
2answers
162 views

Sync Palm Centro pictures on Linux

I have a Palm Centro, and I'd like to copy the pictures to my computer. However, I'm using Ubuntu, and I don't want to switch to Windows or use Palm's horrible sync application (through Wine.) Is ...
7
votes
5answers
18k views

DNS queries not using nscd for caching

I'm trying to use nscd (Nameservices Cache Daemon) to cache DNS locally so I can stop using Bind to do it. I've gotten it started and ntpd seems to attempt to use it. But everything else for hosts ...
4
votes
1answer
2k views

Default username for Samba share that is not the user name on the client system

When mounting a Samba share the user name is defaulting to the user name from the client machine rather than the "User Name" field from the earlier "Connect to Server" dialogue. Accessing a Samba ...
6
votes
2answers
717 views

Font getting reset in virtual console on GNU/Linux

I have set a custom font on my virtual console (vt1) using the following command: shell> setfont ter-114f If I switch to X (using Ctrl+Alt+F7) and come back to the virtual console (using ...
6
votes
5answers
1k views

Why does locale es_MX work but not es?

Wikipedia entry for GNU gettext shows an example where the locale is just the lanuage, "fr". Whereas the 'i18n gettext() “hello world” example' in SO has the locale value with both the language and ...
53
votes
14answers
47k views

Determine the size of a block device

How can I find out the size of a block device, such as /dev/sda? Running ls -l gives no useful information.
11
votes
4answers
178 views

What is Linux for SET FILE/ERASE_ON_DELETE?

In VMS one may tell the file system to write junk over the existing contents of a file when it is deleted. Here is the DCL command to identify the file for this kind of treatment: $ SET ...
11
votes
2answers
2k views

Is it possible to simulate installation of Debian packages, still marking them installed?

Here's what I would like. Start with a virtual system with no installed packages. Then I invoke a tool similar to apt-get to ask it to compute the dependencies and mark all the packages that would be ...
8
votes
3answers
2k views

How should I configure grub for booting linux kernel from a USB hard drive?

I have a laptop hard drive in an external enclosure which I use as a large pendrive. For an added twist, I have installed Linux on it, so I can boot any machine with my distribution of choice (e.g. ...