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  • Updating Python on Ubuntu system

    - by efficiencyIsBliss
    I want to update the Python build on my Linux box, but the only way I know how to do it is uninstalling the current version and installing the new one. My system is already up to date (I updated yesterday). I wanted to know if there is a way to update a specific program from the command line, like sudo apt-get update <program-name>. I know this command doesn't exist, but I'm hoping something equivalent does.

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  • Manually closing a port from commandline

    - by codingfreak
    I want to close an open port which is in listening mode between my client and server application. Is there any manual command line option in Linux to close a port ?? NOTE: I came to know that "only the application which owns the connected socket should close it, which will happen when the application terminates." I dont understand why it is only possible by the application which opens it ... But still eager to know if there is any another way to do it ??

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  • Java Applet Console

    - by Jivings
    Can anyone tell me how to access the Java Applet Console in Chromium for Linux? I assumed there would be a Java application packaged with the JRE that would give me access through the command line, but I can't find reference to anything. $ java -version java version "1.6.0_24" OpenJDK Runtime Environment (IcedTea6 1.11.2) (ArchLinux-6.b24_1.11.2-1-i686) OpenJDK Client VM (build 20.0-b12, mixed mode)

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  • Is it possible to change the Raid5 chunk size of an existing device?

    - by AlexCombas
    I have an existing raid5 device which I created using mdadm on Linux. When I created the device I set the chunk size to 64 but I would like to test the performance of various sizes but I don't want to have to rebuild my entire system to do so. If it is not possible to do it live then is it possible to do this by booting with a rescue disk? Any advice on the steps how to do this, either live or with a rescue disk, will be greatly appreciated.

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  • Windows Vista not booting after deleting a partition

    - by crapiscrewedup
    Hello, My cousin just deleted his Linux partition and another smaller partitio nand now Windows is not booting, no he does not have the recovery disc. When Windows tries to boot it goes to "GRUB" and says "partition not loaded". What are some GRUB commands? And is it possible to fix this without using the recovery CD? Thank you in advance.

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  • pscp.exe (Putty SCP) ignoring preserve attributes flag

    - by jslatts
    I am trying to scp files from a windows server to a linux server with the original time and dates intact. When running the command: pscp.exe -p C:\temp\somefile.txt user@server:/temp/ The file on the server always has the date/time of the transfer, not the original file. Putty SCP seems to be completely ignoring the preserve attributes flag. Anyone experienced this before and/or have a solution?

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  • Setting a mail server without root?

    - by Legend
    Is it possible to setup a mail server on a Linux machine without root permissions? I want to be able to create two aliases for a given mail ID. But if I remember correctly, it is no possible to do this without root privileges because I need to edit the configuration file and then restart the mail server. Does anyone have a suggestion to get around this problem?

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  • Capture virtual machine traffic in Fiddler

    - by HtS
    I'm running Ubuntu in a virtual machine (host machine is Windows 7). Is it possible to use Fiddler in the host machine to capture the traffic from the virtual machine? Seeing as the virtual machine's network must be passing through the host computers NIC, can Fiddler capture the packets? (I don't know of any free alternative to Fiddler for Linux, except Tamper Data, but I need a bit more control). Thanks.

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  • local host gives error 403 on Ubuntu

    - by Dan
    Hello I am new to ubuntu linux and am currently trying to configure my netbeans to work with PHP. I have found several tutorials to install all the applications I need and have installed a virtual directory for netbeans to run in. Unfortunately, whenever netbeans or I myself go to my local host I get an error 403. I tried modifying my settings to allow from localhost (instead of allow from all) but this did not work and am completely out of ideas.

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  • VirtualBox without X server

    - by nccc
    I want to run a guest operating system under a Linux host with VirtualBox, but I don't want to run from within X. I don't want a headless configuration, I don't want to run VirtualBox in the background, I don't want any remote protocols. I just want the guest OS to take control of my console (keyboard, mouse and monitor) and render to the framebuffer directly, not from within an X window. Is this possible?

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  • Deny Home-Directory-Access for root

    - by theomega
    Hy, a friend and me want to share a Linux-Machine. We both need to get root-rights via sudo for administering that machine. Is it somehow possible to deny the access to the home-folder for the other one, although he can become root? Thanks!

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  • Failover Internet connection?

    - by ez_brian0
    Hi In my Linux server i have three network cards. The eth0 card is connected to ISP1, the eth1 card is connected to LAN and the eth3 card is connected to ISP2. What i want to do is to automatically use eth3 as Internet connection if the eth0 connection fails. How can this be done? Another problem is that my firewall is referring to eth0 as the server is doing NAT for clients this would be broken if eth3 is taken in use, how can this be solved?

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  • ntp.conf sync to local machines

    - by anonym
    I have 2 linux machines, they do not have internet connectivity or any other means of getting an external clock. I need one of them to act as the "master"/server and the other machine to sync it's clock to that server. It's not important that the time is correct, it's only important that the time is the same on these 2 machines. So, give I have a server (192.168.1.10) and a client (192.168.1.11), how do I set up /etc/ntp.conf on these 2 machines respectivly ?

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  • Can I boot my notebook via eSata pci-xpress card?

    - by OliverS
    I would like to boot directly from an external hard disk to improve performance over my internal notebook hard disk. My notebook has no native eSata jack but a pci express card. As my BIOS doesn't support the card on boot time so no way directly booting it. My question is, is it possible to work around this issue by using an USB stick or similar with a boot loader like grub and if so, will this only work for Linux or Windows as well?

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  • How to turn iptables stateless?

    - by tex
    Hi, I'm running a Linux server that - from time to time - faces heavy load and the conntrack table overflows. Since it's iptables firewall ruleset is very simple I'd like to turn it to stateless mode. I know that iptables can operate in stateful connection tracking mode and in a stateless mode. My firewall rules are all in place I'm pretty sure that they are stateless but my question is how can I verify that the firewall is really operating in stateless mode?

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  • Two network cards latency

    - by Ross W
    I'm trying to setup a network architecture where one network is a low-latency low-bandwidth tcp control system (GBit), the other is a high-bandwidth udp (maybe tcp) network that could get saturated (GBit). If I have two NICs inside a server running Linux. What happens to the low-bandwidth/low-latency network when the high-bandwidth gets saturated. Does each Ethernet card get the same amount of priority inside the kernel or would the low-latency network suffer from the high-bandwidth being saturated?

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  • Is there an alternative to /dev/urandom?

    - by altCognito
    Is there some faster way than /dev/[u]random? Sometimes, I need to do things like cat /dev/urandom /dev/sdb The random devices are "too" secure und unfortunately too slow for that. I know that there are wipe and similar tools for secure deletion, but I suppose there are also some on-board means to that in Linux.

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  • Find out how many memory my server would need ideally?

    - by Daniel
    I have a pretty busy GNU/Linux server that I think needs more RAM. I know that the free command doesn't show the amount of RAM that is used. So I was stumbling upon Commited_As in /proc/meminfo. It currently shows 57972 kB which isn't much. Is this the amount of RAM that the processes use "right now" or is this an estimate of how many additional RAM it would take to never run out of memory with this load?

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  • How to do something like `mplayer movie.mpg` from ssh and it play on the current display?

    - by Earlz
    I've set up a little media center computer running Arch Linux. I want to eventually get it so that there is no keyboard or mouse required. Right now I want the solution to be SSH. My problem is that when I do something like mplayer movie.mpg over an ssh shell, I'll just get vo: couldn't open the X11 display ()! How do I get this to work correctly and play on my TV(the display the media center computer is hooked to)?

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  • use theme for X11

    - by amir-beygi
    HI all sorry for my bad english My program (GTK) runs in linux(ubuntu) without any problem and it's themes are fine but when i change my system to run just X and then my program , it runs but without any theme ,how can i configure my system to use theme in X for my program REGARDS

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  • How does the operating system know which parameter to pass to /etc/init.d/ ?

    - by iDev247
    I've been working with linux for a while but in a rather simple manner. I understand that scripts in init.d are executed when the os starts but how exactly does it works? How does the os know which paramater to pass to a script? To start apache I would do sudo /etc/init.d/apache2 start. If I run sudo /etc/init.d/apache2 it doesn't work without the start. How does the os pass start to the script?

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