For some reason, I want to use a trackball Logitech (aka Logicool) Marble Mouse (aka Trackman Marble) upside down. Is there a way to reverse the left and right rolling and up and bottom rolling respectively software-wise, without modifying the hardware? I tried this by writing a configuration fi...

In zsh, I can specify default program to open which file extension like alias -s {mkv,mpg}='mplayer' . I runs fine but what I really want is to run mplayer <filename> & so it won't produce technical stuffs and 'stealing' my current shell session. How can I make this happen ? Thanks fo...

I use gmail account for chat, but i want gtalk standalone application just like in windows. can i install standalone gtalk client on linux ?

I've just installed Fedora 17 a coupple days ago. I set language and region to be english for 'system' and I occasionally set them to be Japanese for 'user'. Problem is that the keyboard mapping is changed to the one for Japanese but the language toggle key doesn't switch the languages properly: ...

sed works from command line but does not work if put in a sh file & executed. i want to change a number in existing file and direct it to a new file e.g script in sh file echo enter number read num var1='more ods2.sql | egrep -e "test" | cut -c 5-7' sed "s/test$var1/test$num/g" ods2.sql > ...

I'm looking for some software that would provide features like Dropbox. Will a simple webdav be enough for this use case?

Is there a separate window picker software (like the one in Compiz or Present Window in KDE4) ? I'm running xfce4

Is there any way to set +x bit on script while creating? For example I run: vim -some_option_to_make_file_executable script.sh and after saving I can run file without any additional movings. ps. I can run chmod from vim or even from console itself, but this is a little annoying, cause vim su...

Always when I install Linux OS (e.g. Ubuntu), there is a possibility to encrypt the home directory. I was asking myself why is this useful. Is it good in the case when my harddrive is corrupted and I have to go to my manufacturer and let the harddrive at him for about a month for the reparation ...

I'm not really sure if the software that I need is a workflow management software. Basically I need something that I can host on a Linux server that will provide the following functionality: support a pre-set workflow, allowing users to see where they are currently in the workflow, and whether...

The Devices menu -> CD/DVD Devices contains VBoxGuestAdditions.iso But ticking the above menu option doesn't show any menu to select anything from. The kernel-devel is already there. The host is openSUSE 11.3 64 bit. The guest is Slackware 13.37 32 bit. What's the way round now?

I am trying to install Debian kernel sources using the following commands - sudo apt-get install linux-headers-$(uname -r) It prompts me to insert the Debian disk to continue the installation. Why is this so? I have used other Linux Distros and the default behavior seems to be to install fro...

I want to connect to the LAN Host B over Host A (eth1 interface). such as the following figure;(I guess can be made with bridge.Does anyone have an idea?) | | LAN with dhcp(10.1.0.0/16) | | v eth0 (10.1.0.3) |---| |-----| | | | | | | H...

I am running a program in my terminal. BUt I need to suspend or hibernate the OS (Ubuntu 12.04) for a while. Do I have to Ctrl-Z my running program before doing that? Or will suspension or hibernation of the OS also suspend the running program and allow resuming the program after the OS wakes up?...

I have multiple domains on one server and when sending email to server, which supports TLS, server changes FROM field to default domain ($j). What should i do (in .mc level please) to remain primary domain (all domains are qualified)? Jul 14 10:59:16 server sendmail[19537]: p6E7xGt3019537: ...

Environment: - Virtual machine on VMWare ESX 4.0 - OS: fully up to date RHEL 5.8 After adding a new (virtual) disk I want to create an ext4 partition on LVM on this disk. Steps taken so far: $ sudo /sbin/fdisk /dev/sdb Device contains neither a valid DOS partition table, nor Sun, SGI or OSF di...

I am developing something that consists of a program I made generating output, and a program I did not make (and would very much like not to have to alter it) consuming it. I am using a named FIFO created with mkpipe. I suspect I have a performance bottleneck due to the smallness of the Linux FIF...

I need a calender that stores everything locally as I work from places that dont have internet sometimes (I'm a virtual office). I really can't figure it out from reading what I can find about the subject. I am using mint12.

CompanyA sends mail, I want to respond to them with [email protected] and signatureA. When CompanyB sends mail, I want to respond to them with [email protected] and signature B. Etc. 1. How can I do a hook to change the line `set from="[email protected]" in .muttrc? 2. How can I -- change the signatu...

What factors should i know to choose the suitable model of Cisco ASA 5500 Series Adaptive Security Appliances in order to protect a DDOS on a linux server.? And are there linux tools to help me to collect information about the incoming ddos on a linux server in order to use when i choose the rig...

After upgrading from Fedora 16 to Fedora 17, Traffic Control no longer seems to work. Running # tc qdisc show will output: qdisc pfifo_fast 0: dev eth0 root refcnt 2 bands 3 priopmap 1 2 2 2 1 2 0 0 1 1 1 1 1 1 1 1 However, if I run # tc qdisc add dev eth0 root netem delay 100ms or similar co...

This finds a large number of files that are under various subdirectories of "Dropnot" $ locate Dropnot Can I find just the directory location with locate? (which directory "Dropnot" is in) So if Dropnot is in /home/me/, that's the only entry that gets returned. If so, what's the simplest /...

I am trying to do a mapping that moves the current line to another line something like nnoremap < space >m$VARIABLE :m $VARIABLE dd

Im setting up VNC on my VPS with 768mb ram. What would be the best setup to save the most memory? Right now i tried Gnome-core with vncserver But it uses alot of ram somehow. I remember having a vnc running on only 512mb with no problem. But on this new one im getting errors all the time cause i...

I want to be able to send signals (SIGINT is the most important) through ssh. This command: ssh server "sleep 1000;echo f" > foo will start sleep on server and after 1000 seconds it will put 'f\n' in the file foo on my local machine. If I press CTRL-C (i.e. send SIGINT to ssh) it will kill...

I needed to replace a Gyration remote control (which was for controlling MythTV) and it is no longer made. So I got a Keyspan TSBX-2404. It works in the sense that it communicates with the box (Fedora 15) but unlike the Gyration it sends multiple keypresses whenever I hit a button. For example...

Ok this may not be a very concrete question, and is perhaps subject to taste, yet I'm struggling to get this right so here it goes. I have a computer. This computer has linux on it (thank god). Arch Linux to be specific (with awesome wm). I am the single user on this computer. As to good practi...

Using the Emacs editor I can set it to enable OpenVMS EDT editor keypad mode with this command: M-x edt-emulation-on How can I set it so that whenever I invoke Emacs, EDT emulation is the default on a Linux system?