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

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WINSCP File Transfer Speed

I'm very comfortable using WINSCP. However, it offer very slow speed. It shows Windows to Linux transfer speed just 250kb/s Is there any other WINSCP alternative which offers same set of feature ...
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2answers
1k views

working with graphic interface on ssh linux

We have a project involving Linux programming. Unfortunately, we have only an ssh interface, and not a convenient graphic one. What can we do? We heard that xterm can solve our problems, but we couldn'...
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2answers
108 views

Bad sdcard report 32DB but has only 2GB wired in, how to detect valid area

I bought a while ago a sdcard that is supposedly 32GB, but after using it for some time, I found that it only has 2GB wired in. If I write past the 2GB limit, the files I read are composed of zero ...
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1answer
901 views

How to add archive comment from a file or string?

I am writing a BASH script. I am using RAR 3.93 on Ubuntu 10.08. I want to add a comment to an archive example.rar. The comment is "This is a comment". rar c example.rar Processing archive rarcomment....
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1answer
902 views

Why do I get a different behavior of the scp command in csh and bash?

Why do I get a different behavior of the scp command in csh and bash? Same command is working in csh shell, but it not working in bash shell. Please can anybody help? bash-3.2$ csh Linux-007% ...
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0answers
547 views

How to understand capabilities of a mixer control output by “amixer”?

Could anybody help explain the capabilities values of an ALSA mixer control? What's the difference between pvolume and pvolume-joined? I cannot find the difference from alsamixer GUI output. What ...
0
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1answer
578 views

How to open/read files on different partition? C in Linux

From the command line, I want to do cat on a txt file on a different partition, how can I do that? I mount the drive manually and from the command line, I type: (this case, abc.txt in f drive) cat ~/...
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0answers
1k views

Unable to install synergy on red hat 5.4

I'm trying to install Synergy on Red Hat Linux 5.4 but I'm getting the below errors: rpm -ivh synergy-1.3.8-Linux-x86_64.rpm error: Failed dependencies: libstdc++.so.6(GLIBCXX_3.4.11)(64bit) is ...
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1answer
389 views

Which emacs shortcuts are useful in bash? [closed]

Other than Ctrl+{k, u, a, e}, what other emacs shortcuts are worth remembering and useful in the Terminal?
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0answers
166 views

What's a good disk test that uses random data?

I'm trying to test a Linux driver, and I need a test like bonnie or dbench, but I need it to send random data. I'm trying to find corruption bugs, and if every write is all zeros I can't tell when I ...
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2answers
2k views

RAM test to run on an embedded device

I want to test RAM on my embedded Linux device for any kinds of problems. Can people suggest any RAM test suites out there? I am working on ARM architecture.
3
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1answer
1k views

How to share a directory across chroots

I have multiple chroots with different sets of software version as a light-weight alternative to VMs. How can I share a directory across the VMs? Naturally, symlinks do not allow to escape a chroot. ...
2
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1answer
2k views

Epson receipt printer slow on Linux

I am trying to set up a POS station for web-based software. The receipt printer, an Epson TM-T88V, is slow using Epson's own drivers and prescribed installation method. To clarify, it is slower than ...
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0answers
262 views

Linux kernel option for maintaining functionality upon undock/redock of laptop to a docking station?

I'm trying to compile a custom kernel. At present, here is the data: Hardware: HP EliteBook 8540w HP docking station Arch Linux default kernel behavior: with computer docked, usb mounse plugged ...
2
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2answers
1k views

Ubuntu Linux - Can i downgrade my kernel?

I recently upgraded to Ubuntu 11.10 however I noticed a large rise in power consumption when idle and alot more when doing light work. After reading online I found out this is a kernel thing so I was ...
6
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2answers
3k views

A “quick” vector editor (SVG) for Linux (for annotating images?)

I often need to take a bitmap (.png) image, and draw some lines or text on top of it, and possibly export a new, thusly "annotated" image. I know I can basically do all this in inkscape - but ...
1
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1answer
53 views

Mounting a binary/shell file that returns files modified in the past x days

I know that you can find files in a path and sub directories modified in the past week with: find -L /somepath -mtime -5 -type f I could assign that to a job and have it run every night to create ...
4
votes
4answers
362 views

Home wireless router as a PC

Is it possible to install a small program on a cheap home router that runs a Linux kernel and run it? I mean can I use a router that runs a Linux OS as a small computer to run arbitrary code on it? I'...
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2answers
10k views

How to list all users that have terminal sessions, including screen sessions?

I would like to have a list of all users that are active on my Linux system, including those who have running but detached screen sessions. The who command only shows me currently logged in users, but ...
2
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0answers
141 views

How to create a virtual keyboard in userspace?

I'm trying to generate keypress/release events similar to those produced by typing on a physical keyboard, but from a process that isn't attached to any actual hardware.
2
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3answers
891 views

Really annoying keyboard screw up when entering sqlplus

Often when using bash I am used to using the keys ^A and ^E to go to the beginning and end of line, and the arrow keys to move from character to character without erasing. Every now and then, I ...
1
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1answer
3k views

How to remove root-only access for /var/www files?

I have set up a LAMP environment. All of the files that I want to run on the localhost are placed into my /var/www directory. Each time I want to open up a file with write permissions, I have to ...
5
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1answer
1k views

will boot command params acpi=off or acpi=noirq ruin my hardware?

Dell xps 15z here. Really, really trying to install linux distro to dual boot from. first goto is bt. cant even get past 'initramfs live media filesystem not found' on usb boot. next was ubuntu, ...
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2answers
1k views

How to shrink an ext2 partition?

I have an ext2 partition that takes up the whole disk (which is /dev/sdc). I have unplugged the disc and plugged into another (linux) computer. How can I shrink this partition using resize2fs and ...
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0answers
421 views

File permissions for uploading images to server using uploadify

I am using jQuery uploadify to dynamically load pictures to a website. The files were not being loaded into the uploaded_image dir on the server at this stage the folder had permision 755 for root:...
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1answer
893 views

Unable to use PSSH on Ubuntu

Hi I just installed PSSH on my Ubuntu machine and Iä'm trying to use it to execute commands across multiple machines but I keep getting errors. Here's some sample output to show what's going on. root@...
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1answer
2k views

how to add interface based routing rule in linux

I'm wondering if it is possible to route a same packet differently based on which interface it comes from. For example, there are two Ethernet interfaces on a Linux box, eth1 and eht2. for IP packets ...
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2answers
3k views

How can I create a symlink which points to another symlink?

Is there any way to create a symbolic link which points to another symbolic link? I have link A (pointing to address1 = /home/data/username/var) in /home/data directory and I need to create link B ...
22
votes
9answers
108k views

How to find the /dev name of my USB device

I am running a Ubuntu 11 guest on a Windows XP host with VMware. I want to format an SD card in Ubuntu, but I can't figure out which /dev/xxx device the SD card is. I plug the card into the built-in ...
1
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1answer
4k views

FFMPEG able to convert m4a -> mp3, but unable to convert mp3 -> mp3?

FYI: Fedora 8 running on Amazon EC2... Having a difficult time with FFmpeg doing a (what should be pretty simple) conversion. I can get FFmpeg to encode an mp3 file from an m4a file using the ...
2
votes
2answers
349 views

Transforming a Virtual Machine into a Real Machine

I have created a Virtual Machine in VirtualBox to test Ubuntu and I really like it. Since I've already made a great deal of customization on that virtual machine, it would be a pity to have to re-...
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1answer
990 views

how to set up a DNS server in SUSE11 using command line

The results of a Google search on this topic are all "X solution". But the X interface are not allowed in the Suse Server I'm using, so I'm seeking for a "command line" solution of my problem.
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2answers
17k views

SSH still asks for password after setting up key based authentication

I have successfully created a key based auth for root user from my A machine to my B machine. Now, I created a new user on B machine, the same as on A machine, let's call him USER. I created a home ...
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2answers
1k views

Multiple partitions of pendrive not visible in Windows

I am using my friend's 8GB pendrive. It shows two partitions when connected to Ubuntu - 7.2GB and 200MB. However when connected to Windows it shows only 200MB. How can I work around this problem or ...
1
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1answer
964 views

Linode VPS - monitor outgoing traffic

I recently got my Linode VPS. And I have a rather low-traffic site being hosted on it. But when I look at the traffic, it has high outgoing traffic peaking at regular intervals and I am not sure what ...
3
votes
3answers
6k views

Putty-like copy & paste for Linux

This is a duplicate of Mac Terminal Copy on select like Putty but I would like a solution for Linux. So basically, (how) can I set the selected text to be copied and pasted on right click?
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1answer
836 views

ssh: sharing control sockets over nfs

Can ssh be used with ControlPath set to a path on an nfs share if the control socket being shared was created by another host? Attempting this gives me this error message: Control socket connect(/...
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2answers
1k views

Is there a small Linux that installs within Windows?

Is there a Linux like Wubi that could be installed in a 360MB partition?
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1answer
65 views

Where should I download new install files to in a Linux system?

Say I'm installing Redis. Where should I download the Redis files to? I'm guessing that doing it in my home directory isn't a good idea, just because it'll get messy with downloaded files over time....
1
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1answer
432 views

SMS via console on Synology NAS

Does anybody know is it possible to send SMS via console on Synology NAS (kernel 2.6.32.12, synology_ppc853x_410). I tried to use gnokii with my old S40 nokia phone. But it seems there is no kernel-...
3
votes
3answers
4k views

Set fan speed by RPM on Thinkpad T420s in Linux

The only interface I've found for setting the fan speed with the thinkpad-acpi module, is setting pre-defined levels, 0-7. Example: sudo su -c 'echo "level 2" > /proc/acpi/ibm/fan' I would like ...
0
votes
1answer
149 views

Can't Install Windows 7 on a second disk along side Ubuntu

When trying to install Windows 7 after install Ubuntu, I get to the screen where I can see all the disks. After clicking my second empty disk, formatting it from Windows, when I click next Windows ...
3
votes
2answers
2k views

Is there a WinSplit Revolution style window manager for Ubuntu Unity (11.10)?

I'm giving Ubuntu a whirl, and I'm using the Unity desktop. I'd like to be able to resize / reposition my windows using the keyboard (something like Windows has with WinSplit Revolution (e.g. Ctr+Alt+...
13
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3answers
20k views

What does kill -3 mean?

I know kill -9 mean, but anyone can explain what does kill -3 mean? Any special signal it sends out?
2
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1answer
767 views

Linux change environmental variables without rebooting for all shells

I am using Fedora 14 and I changed my hostname in /etc/sysconfig/network and by using the hostname command. The shell prompts correctly display the new hostname. However the terminal titles still ...
12
votes
1answer
11k views

What's a good way to install “build essentials” (all common useful commands) on a blank EC2 Linux server?

I want to get some "build essentials" (like gcc, make, etc.) on an empty micro Linux box. Seems inefficient to spend my time trying to try installing one thing, then realize I need gcc, then realize ...
0
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1answer
267 views

Mint map number keys to higlight text

I have a standard PS2 keyboard hooked up to my Mint linux box. When I try shift + the arrow keys on the number pad, I just get the numbers typed in. However I want it to work the same as on my ...
2
votes
1answer
264 views

Filesystem for UNIX (Solaris, FreeBSD, Linux) [closed]

I have some Linux (Arch/Fedora/Ubuntu), FreeBSD and solaris (open indiana) desktop machines. What is the best filesystem that can be used in all of them. I want to use it in some external hard drives. ...
2
votes
1answer
950 views

Separate keyboard for shortcuts on linux (two keyboards,two layouts)

I have two keyboards: an old ps/2 one and a usb one. I want the usb keyboard to have the us layout (or prefferably have the usb keyboard follow the layout chosen in gnome) and the ps/2 one to have a ...
3
votes
2answers
3k views

Is there an application like screen but for GUI applications?

I'm running few projects at the moment, I'd like to switch between them without closing and reopening all applications. Is there a way to do so with some screen-like application? Only way till now is ...