Tagged Questions

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

learn more… | top users | synonyms

0
votes
1answer
2k views

Changing kernel bootsplash image?

I want to display a custom boot splash image on my Beaglebone Black (running Ångström). I know of three places where images can be dumped to the framebuffer: Bootloader (uboot) - needs display ...
0
votes
0answers
350 views

Touchpad left-click not working - Linux Mint on Dell Vostro 3640

This is a question on behalf of my friend, so it might take me a little while to run tests and stuff. The problem is that periodically her touchpad won't left click, either by pressing the physical ...
2
votes
1answer
67 views

Linux multi-tasking

I'm working on deploying a node project to a Linux box on amazon EC2. The project uses mongoDB. I'm trying to run node and mongoDB simultaneously on the box but I'm unfamiliar with linux. Is it ...
1
vote
1answer
56 views

Modify and copy DVD [duplicate]

I have a existing DVD (happens to be Windows 7), and I would like to copy it to another DVD. Before doing so, I would like to slightly modify the content by deleting a single file. I can either use ...
4
votes
3answers
110 views

Using Unix's find command to find directories matching name but not subdirectories with same name

Edited: I mistakenly misrepresented my problem. A more accurate example now appears below. I'd like to recursively walk all directories inside a target directory, and stop each recursive call after ...
1
vote
0answers
114 views

xwindow and poor man's video wall

We have a "video wall" at my workplace. It consists of 8 43" - 50" screens. 5 of them support full HD resolution, remaining 3, do not. Screens also have different video inputs. Some support HDMI and ...
1
vote
2answers
74 views

Will a big RAM improve filesystem write IO?

We have hundreds of millions of small files on our server, totally about 500 GB. I'm looking for a way to speed up their creation. Would there be any difference if I get more RAM for that purpose? ...
0
votes
2answers
105 views

Redirect two stdout to one stdin in Linux bash

I've got a C program that reads from stdin and does some operations. I am asked to enter information periodically (every 20 sec), and leave the user interaction the same while doing some tests. Is ...
1
vote
1answer
173 views

posting data to a web server using curl

I am trying to post data to a web sever using curl -d and curl -X POST. The command is getting succeeded but nothing is there in the file. Tried the following: [root@oooatis santoshi]# curl ...
1
vote
0answers
187 views

chpasswd and passwd not updating /etc/shadow for root user

I'm having a weird problem, and I don't know if I've screwed something up or this is the way it's supposed to be and I never noticed.. Using passwd and chpasswd to change a users password works as ...
1
vote
1answer
348 views

Time machine backup to hard drive on server

I have a linux machine that i use as a general server, I would like to be able to backup my mac to a hard drive plugged into the linux machine, is this possible?
0
votes
1answer
47 views

Is an RPM already installed? Binary compare

At my current place of work we sometimes receive a bundle of RPMs and are told to update our environment. The entity providing us the updates is very slack with their processes and sometimes make ...
3
votes
5answers
2k views

SSH with no password (passwordless) on Synology DSM 5 as other (non-root) user

I'm trying to ssh into my Synology disk station without a password (public key authentication), but as non-root. When I try to ssh as root without password, it works. Following the exact same steps ...
1
vote
1answer
290 views

The network setting for /etc/network/interfaces for static IP of a supernet address

I want to change my Ubuntu to static IP. My current IP setting is: eth0 Link encap:Ethernet HWaddr 00:0c:29:xx:xx:xx inet addr:192.168.16.59 Bcast:192.168.31.255 Mask:255.255.240.0 ...
1
vote
1answer
97 views

gnome3 add new file types for nautilus (instead of text file)

on my Fedora 20 system many file types are grouped under the type "text", for example *.ini, *.txt and so on. So if I sort the contents of a folder by type, it groups them all together, which is not ...
1
vote
0answers
107 views

What are some good guidelines for CentOs beginners. [closed]

I just started using CentOs both in VirtualBox and and online, so I would like to know some good bullet proof points as to the DOs and DON'Ts abut security, configuration backup ... I followed this ...
0
votes
1answer
546 views

DNS query only works for Fully Qualified Domain Name (FQDN) but not short name

This is a Linux (Ubuntu 13.10) VM guest in the Windows host & environment. When doing DNS query, only the FQDN entries have returns while the short names are not (see below). Why is that? My ...
1
vote
2answers
346 views

How to use a space in date format section of annotate-output?

I try to use annotate-output (part of devscripts package), to prefix outputs of a script with date and some extra info. First parameter can be a format string passed to date. I want to include a space ...
0
votes
1answer
93 views

Integrating github's public keys API with ssh

Hi, i'm wondering if this is possible and safe, to have my http://github.com/{username}.keys as the default authorized_keys file for my private dev server. So that if I add a new key to github - ...
0
votes
1answer
330 views

Automated sudo and screen command

I would like to be able to launch a script in a separate screen command session as a separate user when I run a .sh script. Here is what I think it may be in the script: #I am also starting xampp ...
0
votes
1answer
282 views

Exact copy of files from NTFS to another NTFS using Linux

I try to copy all files from an NTFS to an external drive and want to preserve all permissions and attributes. The external drive has already an NTFS and contains other files. I've considered using ...
2
votes
3answers
3k views

no version information available (required by /usr/bin/ssh)

I am getting no version information available when making ssh. Openssl verion: sat:~# openssl version OpenSSL 1.0.1f 6 Jan 2014 Here is output of ldd /usr/bin/ssh: /usr/bin/ssh: ...
0
votes
1answer
71 views

How to let awesome window(client) displayed always on visible workspace?

As title tell. There is such an option when you right click the blank on nautilus in awesome, then a rectangle will appear in the title and it worked, any short cuts for this function to use on other ...
2
votes
2answers
499 views

Where are Page tables stored

My question is "where are the page tables stored: in physical memory (RAM) or as some data structure in User space". PS: What I have understood so far: A process memory layout has few segments ( ...
0
votes
1answer
35 views

What is the keyword in .ssh/config for tunneling in the background?

In command line option, we can specify -N -f to let it run in the background. How about the identical keywords in .ssh/config? Instead of doing ssh dest -N -f -L 1337:localhost:1337 I would like to ...
0
votes
3answers
65 views

Correct option for SSH authentication?

I'm using rdiff-backup to send incremental backups to my local server. My host is Windows and my remote is a Linux machine. I'm trying to get my script to execute the following: command = ...
0
votes
0answers
66 views

How to create user and set chroot jail using FTP?

I'm using an vsftpd server. I'd like to place a list of user in chroot jail in a particular folder. Referring to the configuration file, when a user is in the */etc/vsftpd.chroot_lis*t file and ...
0
votes
1answer
32 views

size of extent on LVM2

in LVM1 there was a limit of 65k extends. So size of extent had to been chosen carefully between wasted space on partitions (to big extent) and maximal possible size of logical volume (too small ...
0
votes
2answers
130 views

Used 4 primary partitions, now need to add more space

I currently have CentOS 6.5 running on a VM in a live environment. The need to increase space has arrisen several times, and after following guides online it has worked successfully until today. ...
0
votes
0answers
26 views

Debian - OS hard drive full after reboots, un-full after next reboot

Every couple of days now it seems that my media server will stop working and require a couple reboots. Plex media server stops working and that's my sign. I shutdown and turn on the computer and I get ...
1
vote
1answer
58 views

laptop's trackpad on a train: expected issues?

Is there a known issue with using a laptop's trackpad while on a moving train, i.e. is the EM field expected to interfere? I ask because everytime I use my Apple Macbook Air's trackpad (I'm running ...
0
votes
1answer
157 views

Why do python's os.stat and du and ls not agree on block size?

While writing a simple function that computes the quantity of blocks consumed in a directory, I checked with du to see that I was getting the same answers. Why do ls and du say this file occupies ...
1
vote
5answers
2k views

How to launch a bash script in another one?

I'm trying to launch a script bash from another one using sudo. Here is my first script test.sh #!/bin/bash echo "test.sh" $1 $2 $3 >>/home/pi/test.log sudo ./temp.sh "$1" "$2" "$3" ...
3
votes
1answer
2k views

How do I reset a WD Elements external hard drive to factory format?

I own a WD Elements 3TB external hard drive (WDBAAU0030HBK-01) which I disassembled and converted into an internal SATA drive. When I did that I partitioned the drive after installing it in my ...
0
votes
2answers
77 views

How to encrypt a folder such that you can decrypt it on an unknown windows target system

I have to encrypt some files (from a linux system) and want to put them on a usb-stick and then be able to decrypt it on a windows system where I don't have admin-privileges and where I don't know ...
0
votes
0answers
114 views

Linux Mint won't poweroff, only reboots

I have a very strange problem with my Linux Mint. I'm using it on a lap HP455 and actually everything works fine except that when I have try to shut it down Linux will only reboot indefenitely. I've ...
0
votes
1answer
68 views

Shared Clipboard is not working

I have VirtualBox installed and shared-clipboard is enabled as bi-directional. But it does not work at all. How can I get it working?
0
votes
1answer
46 views

Difference of `route` and `ip route`

I'm using arch-linux. route and ip route give basically the same information to me. But route takes much more time than ip route. What is the reason?
1
vote
0answers
218 views

How do I pipe rtl_fm audio to VMware player

I have Debian Linux (Linux debian 3.2.0-4-amd64 #1 SMP Debian 3.2.54-2 x86_64 GNU/Linux via 'uname -a') installed in a virtual machine using VMware Player on a Windows 7 64 bit laptop. I can play ...
1
vote
1answer
59 views

Vanity IPv6 address with SLAAC

I would like to force the second half (the interface identifier) of my link-local and SLAAC-configured global addresses to not be derived from my MAC address or completely random (from privacy ...
2
votes
1answer
280 views

Why does YaST now show lines as lqqqqqqqqqqqqqqq?

Today my YaST started rendering lines like this: It makes it difficult to read.. Any idea what this is about and how I can fix it? I tried rebooting, no dice. Edit -- here's my PuTTY config: ...
0
votes
1answer
37 views

IMAP server that handles its own accounts?

I have a Windows email server (not exchange) that I want to migrate away from. The Windows email server caused me some trouble in the past, and its time for it to go. I want to try a Linux email ...
0
votes
1answer
248 views

Better setting of EDITOR environment variable to use Sublime Text 2 as system editor?

I want to use Sublime Text 2 for editing Git commit messages. Right now I have the following in my bash rc file: export EDITOR="sublime -nw" This works well if Sublime is already running. But if ...
0
votes
1answer
110 views

rdiff-backup remote schema does not take input

I'm trying to set up rdiff-backup between my windows host machine and my remote linux machine. I'm using Windows 8.1. SSH and rdiff-backup is indeed within the PATH environment variablle... With the ...
0
votes
2answers
150 views

which unix or linux command is used to change root password of remote machine(Just an IP address) without using SSH Login

which unix or linux command is used to change root password of remote machine(Just an IP address)? Suppose I just have an IP address of the target machine which is on my network, But I do not know ...
0
votes
0answers
87 views

Some keyboard shortcuts not working in Mplayer / Smplayer

I am using (S)Mplayer on Pclinux OS to view my video files. I have been using this player to all the Linux distros used till now, without problem. The problem I do have, is that the most of the known ...
0
votes
2answers
518 views

cPanel MySQL 5.5 Server keeps crashing (lots of errors + warnings)

I have a dedicated server (not a VPS/VM) running x64 Centos 6.5 Final + cPanel. The machine has 16 GB memory. I run a game server on this server (which uses MySQL as the back-end for data store). I ...
0
votes
1answer
399 views

Grunt on virtualbox is extremely slow when editing files from shared folder's host machine

My setup consists of a virtualbox running Linux Mint 16 Mate as the guest and Windows 7 as my host. I am running bridged network types although this problem occurs on any network type I choose. I am ...
0
votes
1answer
84 views

two nics on ubuntu server cannot reach outside

I have two Nics on server: auto lo iface lo inet loopback # The primary network interface auto eth0 iface eth0 inet static address 10.137.66.69 netmask 255.255.255.0 dns-nameservers 8.8.8.8 auto ...
16
votes
4answers
5k views

How to prevent sudo users from running specific commands?

I have a very sensitive network setup and I really dont want to mess up with it. My network consists a bunch of users who are with sudo privilege. I want to stop them from running service ...