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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2
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1answer
1k views

Install Linux (BackBox/Ubuntu) beside Mac OSX

I have a MacBook Pro late 2008, 120 GB SSD & 250 GB instead of the CD-Drive. Now there's Mac OSX on both, but I want to install Linux Ubuntu on the HDD. Now there is the problem: "What Bootloader, ...
0
votes
1answer
127 views

OpenVPN configuration

Preamble: I am lucky to have an IP subnet which has real IPs, so no NAT. I have a network from 1.2.3.0 to 1.2.3.128. I have a Debian server with an eth0 interface say 1.2.4.9. Now I want to have an ...
1
vote
3answers
7k views

Rename a question mark (?) in filenames

With rename it is possible to bulk change filenames. I managed to get rid of all + with this command and replace them with underscores: rename 's/\+/_/g' * I could change normal letters like a to ...
3
votes
1answer
4k views

users not found in /etc/passwd

I login to a linux box with username user1 and my home folder is in /home. There is another user named user2 that has its home directory in /opt/data/folder. If I want to check the list of users I ...
0
votes
1answer
203 views

How to configure secureCRT to remove content display after quit from vim

Open a ssh or telnet connection in secureCRT 6.0 or 7.0, when "vim xxx.txt", after quit vim by ":q", the content of xxx.txt will still be visible in screen. But in putty, the same operation, content ...
1
vote
1answer
240 views

How can I make monodevelop render text in KDE?

Monodevelop from git in KDE 4.10.2 does not render text in code edit tabs I tried with xfce and text is rendered ok there. I tried disabling composition with alt shift f12 and restarting x server ...
7
votes
4answers
6k views

automatically start screen upon ssh login

I have been reading about how to automatically start a screen when I ssh to a remote server. I would like a simple one-liner to add to my .bash_profile to start screen when I ssh in, and NOT exit my ...
0
votes
2answers
2k views

How come writing varying file sizes results in varying speeds? [duplicate]

Here is some output from the dd command: $ dd if=/dev/zero of=test.file bs=10M count=1 1+0 records in 1+0 records out 10485760 bytes (10 MB) copied, 0.130214 s, 80.5 MB/s $ dd if=/dev/zero ...
3
votes
4answers
21k views

DD from /dev/zero to /dev/null…what actually happens

What happens in the command sudo dd if=/dev/zero of=/dev/null bs=500M count=1. Where do the zeros actually go and in general what happens? The speed is 905 MB/s If I dd to ramdisk the speed is ...
2
votes
0answers
660 views

Having problems with booting GRUB for EFI on USB stick

Whatever I do, it constantly drops me into the 'bash prompt'. Never displays a menu, nothing. I'm running GRUB on a USB stick formatted as msdos (so, FAT) and when I boot into it, GRUB simply won't ...
0
votes
2answers
1k views

Using TOR on VirtualBox

I'm doing a rebuild on my computer at home. I need to have both both Windows and Linux simultaneously, so I normally use Windows with Linux installed on Virtual Box. I downloaded and installed TOR in ...
0
votes
1answer
311 views

Linux Fuse module - determine supported file systems

Wondering how you can determine what filesystems are supported via FUSE on a Linux system? I ask as the performance of any NTFS formatted USB HDD I attach to my Netgear DGN2200v3 is painful and write ...
1
vote
1answer
2k views

Using OpenSSH Server without local user

Currently I've noticed when I use the OpenSSH Server with PAM and for instance RADIUS while I can get the user to authenticate successfully with PAM, I still need a local user account in /etc/passwd, ...
5
votes
3answers
1k views

Mount hibernated Windows partition

I am trying to mount my Windows partition at boot. It works fine when Windows is in shutdown, but when Windows is hibernated, it can't be mounted as read/write, and I am sent to the root shell at ...
0
votes
1answer
90 views

file command output — linux version

Why two executables are showing different version for linux. When cross-compiled compiled under chroot enviroment. GNU/Linux 3.6.3, GNU/Linux 2.6.26, Hello world program output. ...
2
votes
1answer
1k views

How to Grep up to a certain character or String

I need to extract log data from many terrabytes worth of log files. The thing is, the data I need starts and ends with patterns I can identify, but the code between can be anything between 10 and 100+ ...
4
votes
2answers
3k views

ulimit nofiles and lsof

If I do an lsof | grep user | wc -l I get a number returned in the 25,000 range. If I check ulimit -a user nofiles is set at 1024. Can someone help me to understand the number of open ...
0
votes
1answer
120 views

Linux desktop slow, hard disk is lighting but cannot figure the reason from top, iostat and vmstat

I'm trying to figure out why sometimes HD lights and computer becomes very slow, but I cannot figure out the reason. Below is my iostat, vmstat and top -n 1. Any idea? mladen@mladen-desktop:~$ iostat ...
0
votes
1answer
927 views

Network Manager overriding /etc/hosts file

I believe the network manager service on Oracle Linux 6 is causing problems for the clouder-scm-agent which is running on my machine. The clouder-scm-agent starts up on the server ip it resolves from ...
0
votes
2answers
612 views

Running an ubuntu server VM on a windows home server - viable?

I've been pondering the idea of building a home server for a while now. I want linux for development, but I want windows for streaming files (subsonic, plex, etc). So, I figure I can just create an ...
1
vote
2answers
105 views

Linux: Find out who was logged on when?

I need to find out which user screwed up the ssh config. There's nothing in anyone's bash history. But I did see when a bunch of ssh-related errors in the logs that started at a specific time. I'm ...
1
vote
1answer
4k views

How to format an encrypted harddrive using Linux?

I`m not very experienced with Linux, however, there are a lot of inforamtion around, so I can usually learn what I need. I never understood, however, what "mounting" means in Linux. While using ...
2
votes
1answer
1k views

How to reload DHCP client remotely, in order to write new resolv.conf?

I'm trying to configure dnsmasq(8) on a Debian GNU/Linux system in a private DHCP-based network. During a local, manual setup - after installing dnsmasq istelf - one could simply include the line ...
1
vote
1answer
680 views

How to create local network in virtualbox between Ubuntu server

I created a Ubuntu server on virtualbox that Ubuntu server install with minimal virtual machine. I created the three linked clone and I have internal network between them. I removed ...
3
votes
1answer
1k views

RSync move files to a different directory if they were deleted on the server

So right now I use rsync to synchronize files with a server. Sometimes the files on the server are deleted (I know about the --delete option and I do not use it) and those files are left in my local ...
1
vote
1answer
445 views

openssh: “… disabled because of invalid user”, why?

I'm trying to make openssh work on android phone. When I'm trying to log in it refuses to accept my key. Here is the related lines of debug log: debug1: attempt 1 failures 0 debug2: ...
0
votes
1answer
434 views

Passwordless ssh between two nodes, but the authorized_keys file is on a shared filesystem (GPFS)

so I have two servers. On these servers /dev/sdb is a disk that has been used for a shared filesystem (i.e, both servers put their second harddrives "together" and now each one can use all the space ...
1
vote
2answers
2k views

How to download all files and folders using FTP via SSH? [duplicate]

I tried mget * but it only downloads files not folders. Is there a "download all" option?
0
votes
1answer
688 views

openSUSE 12.3 KDE Lan networking

I've just installed openSUSE 12.3 on my PC and faced a problem I have a DSL connection with Tp-link Td-8811 modem. I configured my modem on PPPoE so it will connect to Internet automatically whenever ...
0
votes
1answer
238 views

Wrong paths with backupninja

I am trying to set up automated backups of my svn repositories with the help of backupninja, but it seems like the paths used when running the svn-hot-backup.py script are wrong. (svn-hot-backup.py is ...
1
vote
0answers
110 views

Can't boot into linux on gpt-partition external drive on a pc

I've got an external HDD "Seagate Backup Plus 1TB". It's partitioned using the GPT scheme and carries two file partitions, an hfs+ OSX partition with OSX operating system installed, and an ext4 ...
2
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0answers
446 views

Remove Eclipse's extra margins in Linux (Ubuntu XFCE)

I can't get rid of an ugly and wasting-space margin below the menubar in Eclipse: I have followed a number of tutorials for improving the rendering of Eclipse on Ubuntu, including using a custom ...
2
votes
0answers
52 views

Is there a way to use an external computer's compiler and fetch results?

I have to use Windows 7 for some reason, but sometimes I need to compile and execute simple programs using C language, which are supposed to work in Linux. All of them are console applications, don't ...
1
vote
0answers
194 views

Stuck at booting Ubuntu 12.10 on iMac (late 2012)

So i've installed bootcamp windows on my mac already and created a extra partition for installing ubuntu 12.10. However i've downloaded the image from ubuntu, then burnt the iso to the DVD, boot my ...
4
votes
5answers
1k views

Quickly fill up linux HDD space without root [closed]

so me and my friend are having a contest. He says he has a way to fill up a LOT of HDD space on a linux server without being root. Obviously if you are root you can use DD to do this, but our contest ...
1
vote
2answers
681 views

Linux and safe Web browsing [closed]

Is it possible for a Linux system to get infected from Web browsing to a site with malicious code, malware, or trojan? I run Fedora Core 18 (KDE), Firefox 20.0 for Linux and Konquerer 4.10.1. I ...
0
votes
0answers
577 views

Aptana Studio and xampp on Fedora

I'm using Fedora and Aptana Studio 3. I can launch Aptana Studio and it works without problems. I can also type in localhost in the URL of my browser and it gives me the xampp-splash screen. Now I'm ...
0
votes
1answer
3k views

How to check space on a opensuse-linux-system?

I wanted to check the space that I have on the machine: I tried it with this command: df -h linux-wyee:~ # df -h Filesystem Size Used Avail Use% Mounted on rootfs 20G 6.9G 12G ...
-1
votes
3answers
3k views

Install Linux on 3TB HDD [closed]

How do i install Linux (e.g. Debian 6 or Ubuntu Server) on my server box with a single 3TB SATA HDD? Server is based on Intel D510MO motherboard. I can install the OS from the USB drive but i can't ...
0
votes
0answers
14 views

Detect extra keyboard keys in linux [duplicate]

I'd like to get the five additional "Macro" keys on my new Razer Black Widow working in Ubuntu. I already tried: xev: no events logged on keypress - looks like presses don't reach the X cat ...
15
votes
3answers
15k views

rsync - does it create a temp file during transfer?

As far as I can see rsync doesn't create the file in the target directory until it is complete. This must mean that it creates the file in a temp directory somewhere and copies the file into the ...
-1
votes
1answer
148 views

Not able to login in VNCViewer

I created new user in Linux VM from root user with Putty. And closed Putty session. I login with my new user. I run command vncserver -geometry 1800x900 it gave some session id like : ...
1
vote
1answer
1k views

Sendmail “Delivery Status Notification” mail flood

I am not entirely sure whether this belongs here, so feel free to redirect me in case I posted this to the wrong board. I have a small apache2 webserver (raspberry) registered under the domain ...
1
vote
1answer
273 views

SNMP: Calculating polling

I'm doing some reading on SNMP and have Stallings' book "SNMP, SNMPv2 and RMON" (1996). He shows how by using some basic math you are able to "determine the maximum number of stations that the ...
0
votes
1answer
101 views

What linux terminals support saving layout to what extent?

There is a question Save multiple gnome-terminal layout? it asks if window position, no. of tabs, title etc can be saved across OS reboots, with gnome-terminal. What are the possibilities with other ...
-1
votes
1answer
315 views

How to download large amounts of files via ubuntu

I am trying to download around 15,000 individual user files from an FTP backup space. I know the files exist because if I put a certain username that was not downloaded with the regular wget it can be ...
2
votes
1answer
3k views

Comparing zip files

We need to compare the contents in each of 2 .zip files we have. Each .zip file has of different file extensions. Each .zip file also contains another .zip file and a couple of subdirectories. We ...
0
votes
2answers
5k views

Created New user in Linux, but not able to login in putty or SSH or else [closed]

I am new to Linux, I don't know in-depth things. I created a user from the root account, but I am not able to login as the new user (sampleUser). Here are the commands I used to create new user: ...
0
votes
2answers
402 views

how to compare negative floating points in bash

We tested our script and it fails on negative floating points comparison in bash. What are we doing wrong ? $F1=10000000000 $F2=300 FLP=$(bc <<< "scale=5; ($F2 - $F1)/$F2 * 100") if [ $FLP ...
0
votes
3answers
78 views

Cant download 15,000 files via ssh linux [duplicate]

I have used wget, ncftp ftp etc, They all list around 5000 files at some sort of limit. I tryed using wget to get an exclusive file that didnt show up in the regular wget download and it worked. I ...