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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Several Linux Distributions are hanging on boot - NVidia Graphics

I've just bought a new laptop, I used Linux on my old laptop for 15 months with no problems, but the new laptop has had problems now with several distributions. The laptop fails to boot up ~2/3 of the ...
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148 views

How to replicate couchdb instances behind home router firewalls?

What are the options (if any) to allow replication between couchdb instances without portforwaring the couchdb port on a home router? Assuming both couchdb instances are behind home router firewalls.
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265 views

What are sparse files and how to deal with them?

When dealing with sparse files, df appears to report the dummy size and not the apparent size of the file which makes it difficult to monitor free space on the system. (I use df -h to check disk usage)...
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308 views

Good way to resolve dependencies for .rpm installation

I am trying to install jdk-7u25-linux-x64.rpm through rpm. However, rpm says it conflicts with jre-1.6.0_13-fcs. I then try to remove jre-1.6.0_13-fcs but it fails because there are other packages ...
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115 views

How to copy directory from remote server

I came across following instruction to copy a directory to my local machine. copy the gems from styx server from "‪location/to/the/directory" to your local directory I know rsync and scp can do the ...
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320 views

Problems booting onto Windows 7 (Dual-Boot Linux / Windows)

I have an Acer Aspire 5742G laptop, with Dual-Boot Elementary OS Luna and Windows 7. This installation was created as following: First I installed Windows 7 with all the drivers and all the programs ...
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617 views

Error: Sub-process /usr/bin/dpkg returned an error code (2)

I am running 64bit Ubuntu 13.04 I tried to install cairo-dock executed these command : sudo add-apt-repository ppa:cairo-dock-team/ppa - went well, no error. sudo apt-get update - went well, no ...
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304 views

How to keep daily tar.gz backup with less redundant data

Like most of you, I have a few daily tag.gz snapshot of a folder (of any application). There is only a few different each other but the tar.gz is not a diff/delta friendly format. Most data in the ...
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135 views

Ubuntu - Disk Duplication - Automation

I know very little when it comes to linux but I'm looking to construct a cheap disk duplicator out of an old server that we have. The server is currently running Ubuntu 12.04LTS and has 8 hot ...
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515 views

Recover deleted files from Linode VPS with Ubuntu server

I have accidentally deleted files from my Ubuntu server which is hosted in Linode. I didn't enable backups for the server. Is there any way I can recover the deleted files? The server is using Ubuntu ...
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396 views

Keep Process Running after Quitting NetCat

I am using NetCat on Windows 7 Professional to connect to my linux machine at home. I need to run a process and make it keep running after I close NetCat (Cmd Console). However when I close and then ...
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1answer
437 views

Send growl message from linux to windows

Is there any way to send growl message from centos (command line) to windows over network , I found this library https://github.com/mattn/gntp-send but I don't know how to use it :(
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306 views

I have added external lan card of intel pro/1000gt but thats not showing in Ubuntu

I am running Ubuntu 12.04 based distro (Elementary OS Stable) My motherboard is: Asus p5kpl-am se The Lan Card is: Intel PRO 1000/GT Desktop Adapter I am trying to add an external lan Card so that ...
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1answer
900 views

DELL B1260dn printer Linux open-source driver

I have a DELL B1260dn printer and it works on Linux. But it works with a closed-source driver. Indeed, my driver seems to be a variant of this one: http://www.bchemnet.com/suldr/ I have downloaded ...
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978 views

Puppy Linux cannot boot

I have downloaded Puppy linux slacko-5.6-PAE.iso , then used Unetbootin to burn it on my usb , when i am try to boot i am getting this message puppy_slacko_5.6.0.sfs not found. Dropping out to ...
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124 views

SSH Ubuntu -> Windows XP -> Linux

I'm developing cross-platform, and I have the following situation: a PC with Windows 7 + Ubuntu in a virtual machine where I develop and compile the code located in the office a PC with Windows XP ...
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1answer
1k views

How do I make xscreensaver run on startup?

I have a raspberry pi running raspbian which is started via the following line in .profile xinit /usr/bin/chromium --kiosk --incognito www.myweb.com however after about 10-15 mins the screen goes ...
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869 views

nginx + cgi (c++ programs)

I am stuck setting my nginx to work with custom cgi programs (using xmlrpc-c library). I am trying with fcgiwrap/spawn-fcgi like this: $ spawn-fcgi -f /usr/bin/fcgiwrap -s /tmp/fcgi.sock ...
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55 views

Which filesystem has high-performance, low-reliability characteristics?

I am running a job on a CentOS virtual machine that uses tens of thousands of temporary files. This leads to I/O being the major bottleneck for this job running quickly. The total size of the ...
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1answer
247 views

NetworkManager and keyfile to connect to WPA2 Entreprise

How can I use NetworkManager with keyfile to configure a Wi-Fi connection in WPA2-Entreprise?
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1answer
298 views

Permission denied creating dir.. user in group

This seems like it's probably going to be a stupid question. I am trying to create a subdir in a directory which is owned by a different user; but the group is the same that I belong to. What am I ...
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2k views

Linux Fedora - how to create DSN of database in MySQL instance running on localhost for use by RODBC?

A few preliminaries - OS: Fedora release 16 (Verne) MySQL server version: 5.5.29 MySQL Community Server R version: 2.15.1 (2012-06-22) -- "Roasted Marshmallows" I am running a MySQL server that ...
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1answer
1k views

How to configure bi-directional replication on a single table in symmetricDS?

I have installed and configured the database replication software from http://www.symmetricds.org/ on the client and the server. I have followed the directions to setup the example replication, and ...
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1answer
58 views

How can I remove Linux from my system?

My system contains both Windows XP and Linux 2.6 31-14 generic. I want to install a new version of Linux, but it is only possible after removing the older version. What are the steps to do it? It ...
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1answer
217 views

Linux redirect to login shell after login action

I am using CentOS 6.4 operating system and everything was good until power-system crash :/ After successfully reboot I am normally asking for login/pass and after login shell redirects me to login ...
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1answer
113 views

How to prevent user from viewing the content of a folder on fedora 14?

assuming there is only one user account on the OS, it does not belong to the root group is there any command line which i could enter at the terminal (by su to become root) to restrict viewing of the ...
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1k views

Linux kernel source not found

I downloaded the source code of a driver (tun 1.1) and i was planning to installing when i obtained the following error: root@sergiosaturn-HP-Pavilion-dv6500-Notebook-PC:~/Documentos/Tese/tun-1.1# ./...
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578 views

Syslog cannot start

I run rsyslog on Ubuntu server. after rsyslog starts, it restarts in a loop. here is a piece of /var/log/syslog: Aug 13 16:05:50 ip-10-92-237-215 rsyslogd: rsyslogd's groupid changed to 103 Aug 13 ...
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1answer
325 views

installing arm-none-eabi-gcc on freebsd 9

I'm trying to follow this guide : https://wiki.freebsd.org/FreeBSD/arm/ArndaleBoard but as you can see here : http://www.montedivenere.it/images/freebsd-arm/freebsd-arndale.png I need to install ...
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1answer
209 views

Show boot log only on Primary Monitor in a multi-monitor environment

I have two monitors on my graphic card. When I boot Linux Mint both show the boot Log. Is it possible to limit the boot log or splash screen to one primary monitor instead of cloning it to both? (...
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1answer
181 views

Linux iftop has lots of confusing entries appearing

I have installed iftop version 1.0 on my Fedora 17 box and I ran it. I am getting a lot of strange rows appearing when the computer is completely idle after boot with no programs running. I am ...
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1answer
216 views

Lazy ssh key prompt for command line

My question is (very) similar to lazy prompt for ssh public key passphrase but the answer provided there (using GNOME keyring) doesn't really fit the bill (I'd rather have no reliance on X or any ...
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1answer
65 views

What would an update mechanism look like in bash

I have to update a script compilation from time to time but I haven't any idea how to start a version check script in bash. I've got a version file with 3 vars: version=0, subversion=0 and ...
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173 views

Better use of lsof in Linux?

I'm looking for a way to list open files by the Flash plugin (whether Firefox or Chrome). I could use lsof | grep Flash, and it works. But I'm looking for a more efficient way to do that, using lsof ...
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1answer
817 views

Exception while configuring symmetricDS with postgresql on Linux

SymmetricDS is a java tool which can replicate databases and tables across an intermittent internet connection. I am having trouble configuring it to work with postgresql. I am doing this piece of ...
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1answer
134 views

IPTABLES to block sites on browser

I am trying to block a specific IP address from being accessed using the browser on my system. I added a simple rule as below iptables -A OUTPUT -d <IP> -j DROP The site gets blocked in the ...
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1answer
53 views

Interpretation of the bytes stored in the memory of Little Endian machine?

In my program i am storing value 512 in int type. #include <stdio.h> int main() { unsigned int i = 512 ; char *c = (char*)&i; printf("c:%u %d\n",c,*c); printf("c:%u %d\n",c+1,*(c+1)); ...
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1answer
746 views

Enable FTP disable SSH

I would like to know how enabling FTP access while disabling SSH access for all users except root and admin. I tried to change the shell : /usr/sbin/nologin is no good because disable both and /bin/...
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1answer
754 views

Kubuntu won't resume from sleep

I am running Kubuntu 13.04 on an Acer Aspire One D270-1375 10 inch netbook running the Plasma Netbook. Kubuntu goes to sleep fine, but when I push the power button to resume it I get multicolored ...
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1answer
847 views

Linux: automatic bonding of WiFi and Wired interfaces — how does it work?

To my amazement, I just discovered that my Ubuntu 13.04 system seems to support something like automatic network interface bonding. If I establish a TCP connection over WiFi (eg using netcat on ...
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1answer
4k views

Wifi Wireless Driver Doesn't exits

Hi Recently i've installed Openwrt in my router tp-link tl-mr3220 it is supported in openwrt website : http://wiki.openwrt.org/toh/tp-link/tl-mr3420 Also i've read http://wiki.openwrt.org/doc/uci/...
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1answer
213 views

Compile Error: /usr/lib/x86_64-linux-gnu/libmysqlclient.a: No such file or directory

make all rm -rf build/gov/fcc/tvstudy; \ javac -sourcepath src -encoding UTF8 -classpath build -d build src/gov/fcc/tvstudy/AppManager.java; \ jar cmf Manifest.txt tvstudy.jar -C build gov/fcc/tvstudy ...
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1answer
58 views

software installation on RHEL4.0

I have installed the package apache/httpd-2.0.65 (which is not a RPM package),but after installation when I am run the command #rpm -qi httpd It is showing an output "httpd service is ...
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1answer
332 views

randomly losing dns resolving ability

I am seemingly randomly, but frequently (every few mins) losing my internet connectivity. The problem is not on the ADSL modem, but on the linux router, that follows. A DNS server (bind) is running on ...
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1answer
127 views

How do I copy tar files from User-mode Linux to the host?

I have some tar files inside a User-mode Linux distribution. I need to copy those files from a UML instance to the host. Does anyone knows how to do this? Thank you for your time.
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1answer
823 views

Cannot see shared folder in /mnt/hgfs

I am trying to share a folder between Lubuntu 13.04 (in VMware player) and Windows 7 64 bit. I followed a tutorial till step 16. I typed a command and saw nothing. I also went into the /mnt/hgfs ...
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1answer
45 views

Linux dynamic SCSI device naming

When linux boots up, it assigns SCSI drives to various sd* names, in increasing alphabetical order. If I remove some drives (while the system is running) and re-add them, is it guaranteed that the old ...
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1answer
448 views

rsync transfer chunk size

I‘m transferring 1.1 Mb files over very poor GSM EDGE connection. My rsync command is: rsync --partial --remove-source-files --timeout=120 --append --progress --rsh=ssh -z LOCAL_FILE root@SERVER:...
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1answer
137 views

Linux: Slow browsers when using http proxy

Thanks for reading this. So basically there's a http proxy I'm trying to use. Proxy performance is pretty good, things like curl or apt work really fast. However, when I try to use the same proxy ...
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1answer
783 views

How do I auto-mount a network share from a Linux Samba server on Windows 7?

So I started working for a company that has a Windows Small Business Server 2003 as the domain controller with the workstations being Windows 7. We have a Linux server with Samba installed, which ...