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.

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Regex for cron pattern not working

Tried to create a (simplified) regex for cron patterns for myself and came up with the following one: ^(((\d+(,\d+)*)|(\d+-\d+)|(\*(\/\d+)?))(\s+(\d+(,\d+)*)|(\d+-\d+)|(\*(\/\d+)?)){4})$ This is ...
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4 views

Grub2 not bootable

I replaced the internal HDD of my Lenovo Z570 by an SSD drive. Then I put the HDD in an external case and tried to boot it over usb; but the BIOS of my PC does not recognize it as bootable and just ...
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24 views

Why does windows have javaw and java?

Can someone explain to me why windows has a javaw and java executable while unix based systems only hava java. I'm assuming it has to do with the gui and cmd headers in windows but I don't actually ...
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1answer
10 views

Linux find command with multiple command -exec using chown and chmod

The following command runs but the two -exec commands don't run - so the file gets moved but the permissions and file owner doesn't change. find ~/Downloads/ -name "2014-12-24*" -exec sudo mv {} ...
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1answer
15 views

How do I recursively download a directory using smbclient?

When I try to fetch a directory with get "Path To\Directory\", I get the following error: NT_STATUS_FILE_IS_A_DIRECTORY opening remote file Path To\Directory How do I recursively download this ...
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2answers
26 views

Transfer file from server to home computer

I have a text file on the server(Linux) at work and now I am at home. I am a putty user. To connect to the server from home I have to connect to another server and then by SSH to the main server ...
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0answers
12 views

Recommended tool for read/write checking (hard/usb) drive (if thumb drive is bad)

I'm looking for a tool that does read/write testing on a drive in order to find out if the data was written correctly, similar to what memtest does. For example, some usb thumb drives sold are ...
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3answers
232 views

How to tell, using a live Linux USB, if a computer is damaged?

Story: I was driving to my Mother's for xmas with a brand new (albeit cheap; it's plenty for her) computer. Unfortunately, I got into an accident, and the computer flew from my back seat into my front ...
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2answers
20 views

How to know if I have RAID configuration on my machine?

I was wondering if there is any Linux command I can use to check whether I have RAID setup on my machine? I know about cat /proc/mdstat but didn't show me anything meaningful. I just want to know if ...
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2answers
191 views

Bash- How to make a Linux script file human unreadable?

I have seen many Linux scripts that are executable but cannot be read as they are in binary format. My question is how I can make my script not readable/binary format?
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2answers
35 views

Why do applications launch faster when running entirely from a RAM disk?

What about running from a RAM disk makes applications launch faster when running entirely from a RAM disk?
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1answer
26 views

USB stick boot up won't work. Again

I am planning to wipe my laptop and I am using a Ubuntu Live USB. However, my USB won't show in my boot list. Not even in BIOS setup. I need a way to fix it. Should I continue this way or use a ...
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0answers
8 views

time.conf - datetime range details

I'm writing a time.conf GUI editor for my personal use and I need to understand how does the datetime range work, so I would be grateful if someone could explain to me: What does MoWk mean? Such ...
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0answers
5 views

Can't automount USB stick with Fedora 21+systemd-udev, could with Gentoo on same machine

In Gentoo I had created a small script that was called by udev and allowed me to mount an USB device, identified by its serial number, to any mount point I chose. Basically, ...
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0answers
2 views

Privoxy - Route certain traffic through VPN

I'm trying to setup privoxy so certain traffic is routed through a VPN tunnel. The idea is: Clients -> Server running privoxy -> send requests directly or through VPN based on URL. I already had a ...
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0answers
11 views

DisplayLink not detected by Xrandr

I'm trying to set up an HP DisplayLink USB video adapter on Debian 6 to work aside the notebook's integrated Intel i915 video card. I use a vanilla 3.11.1 kernel in which the options for VGA ...
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0answers
13 views

Fuzzy text is displaying in Google chrome for quoted text

I am facing this issue after updating to Google chrome 39 version. The quoted text in web pages are not displaying properly. Please find an example below. The same is displaying properly in ...
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0answers
7 views

Error in foomatic-rip while trying to print a pdf with cups

I have the Samsung CLP-315 printer and it works perfectly with my Fedora 21 installation. Now I wanted to attach it to my Raspberry which is running Pidora. I installed CUPS on the pi and added the ...
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1answer
16 views

No ntp.conf file after compiling ntp on Linux

I'm using RHEL 6.5. I compiled ntp-4.2.8 using the steps on this link. but I don't have a ntp.conf file. ntp.conf is required to start ntpd but after compiling, there is no ntp.conf on my system. I ...
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0answers
6 views

Staret managed server using Jenkins

I am trying to start web-logic managed server from Linux system. for that I have one shell script start_wls_managed4_btwnpmd01.sh with following code. ...
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1answer
24 views

Make disk image with real-time compression over network on Linux

I have two Linux notebooks on a network and no additional storage. I want to backup the first notebook hard drive (make full HDD image), on the second notebook. How could I do that using real-time ...
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votes
1answer
21 views

The system was running slow and reboot was useless

My system was running slow, I checked the system with top, vmstat, iostat, strace and so on, but I could not find the issue. So I reboot the system but it was useless. Then I shutdown the server, and ...
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15 views

Import Image from X11 Screen dosent work in linux

A long story in short, trying to automate an ISO setup/installation process In server(SLES11 SP2) running the installation scripts and virtualbox also installed in the same server. using rdesktop to ...
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2answers
18 views

My Linux (Ubuntu 14.04) Box is being hacked [on hold]

for a while now i've noticed that my machine operates itself by automatically popping dropdown menus in gnome and sometimes my firefox browser mysteriously opens new windows despite me having a script ...
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1answer
6 views

Linux redirect output ro earlier agument

Is there a way to redirect output on Linux to a former argument. For example, sort file.txt > file.txt Would there be a way to avoid typing file.txt again?
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1answer
19 views

Windows 8.1 cannot be started from grub2

today I decided to use linux again after installing Windows 8.1... I've tried to boot one of the already existing Linux partitions on my computer but I wasn't successful. So I installed PinguyOS (A ...
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28 views

What tablets exist that will run any distribution of linux natively? [on hold]

Since my notable, novel, yet not-so-well-received sister question was closed, I want to ask a different question: What tablets exist that will run linux natively? For the purposes of this question, ...
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0answers
14 views

How do i get the amount of GPU RAM used by a specified program in the linux terminal?

I am needing to find out how much Video RAM is being used by chrome, and other programs we are running in my office. We have nvidia cards on Ubuntu 14.04. I have tried using nvidia-smi but with no ...
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0answers
9 views

Reorder the pages from scan two-sided of pages, by using one-sided scan only?

I am using Xerox WorkCentre 7830 to scan the pages of my small notebook. I have used a paper cutter to remove the bindings of the notebook, and feed the pages into the document feeder of Xerox ...
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1answer
12 views

Programmatically starting 6 servers and manipulating Gnome Terminal

I would like to make a script ( bash ) that will programmatically start gnome-termal with 6 tabs each with its own title start a different command in each tab delay starting server 5 until sever 4 ...
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votes
5answers
481 views

Which considerations for deciding between 32bit and 64bit Linux distro on an old computer?

I occasionally get my hands on an old(ish) computer on which I install Linux (or dual-boot with Windows) for my own use or for donating as a working system. Now, until recently I only got Pentium 3's ...
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1answer
15 views

Stop/refuse SSH access to a EC2 server

I have converted my PEM file to a PPK file and I can successfully connect to the EC2 through Putty or Filezilla using the private key. Lets say we have a scenario: I request a new PEM and give the ...
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1answer
5 views

Admin CMD through SSH

I have freeSSHD set up on my Windows computer, and I use my Linux laptop to connect through SSH. However, when I SSH into my Windows computer and try to run a custom Batch script that requires admin ...
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1answer
30 views

Strange issue with Google

I have installed Ubuntu on my laptop. Now I have dual boot Windows 8.1 and Ubuntu 14.10 both of them are x64 bits. I have two problems: The first one is the I can't connect to their server from the ...
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0answers
12 views

Player that can fade out a video in real time [on hold]

I need a video player that can fade out a video in real time during playing. For instance when I play a 2 minutes length video I'd like to be able to fade it out just when only 1 minute is left. Is ...
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3answers
33 views

how to find missing files from archives

I need to help a friend archive his old data (around 200GB). I see that a lot of the files are already present in a newer archive he has but the newer archives is properly organized in directories. So ...
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1answer
11 views

Is there an (in)official guided installation routine for Gentoo Linux (>= 20140826)? [on hold]

After starting the Gentoo Linux image 20140826 I realized that there's no HDD installation routine on the ISO image and I started searching for it. There're a lot of installation guides available, ...
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0answers
1 views

How do I apply parts of a gconfd backup?

I have just re-installed a laptop and I want to have the same Compiz settings that was on the laptop before. According to ...
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0answers
18 views

Twitch stream with FFMpeg, multiple audio inputs

I'm using the following script to try and stream my linux desktop to Twitch.tv, I have the stream working, but I want to throw in 2 audio inputs into the stream (one for the game, and one for my mic) ...
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1answer
25 views

bash script processing files with bad characters

I received a zip file with a folder structure that include parenthesis. I've worked through two processes at the cli and now merge them into a script The first searches through the file structure for ...
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1answer
12 views

Installing a specific glibc version on debian/apt

A user of my software uses Debian wheezy. The software generated a core dump that I want to analyze. However, for this to work, I require the correct versions of low level system libraries, especially ...
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2answers
41 views

how to create Google Chrome shortcut on desktop for CentOS

I have successfully downloaded and installed Google Chrome from repository, and I can run it from a terminal. My question is, how can I create a shortcut or a launcher on my desktop in CentOS ?
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0answers
6 views

Linux - Re-Mounting encrypted device - delay needed?

If I mount a encrypted device via mount /dev/sdb1 ./mnt and unmount it some time later umount ./mnt I am able to re-mount it in the same way only after waiting up to one second. In the other ...
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1answer
17 views

iptables - UDP Packets from unknown IP addresses

I'm really new to basic systems administration, and this question is a bit difficult for me to Google. I'm setting up a small raspberry pi server for my own personal use, to teach myself some basic ...
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0answers
15 views

can we use unix hardlinks on a mounted windows share?

ln command can create hard links on the mounted windows share, but cp -al fails. Is this expected behaviour? I'm trying to save disk space by creating copy on write style backups using cowdancer, ...
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0answers
25 views

filename encoding for windows and linux

My laptop has dual boot systems, one is win7, another is Arch linux, they share a disk. And I downloaded some files into the shared disk in Arch Linux, whose filenames contain Chinese, Korean and ...
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1answer
13 views

VirtualBox headless is running but not answering on rdp port(4001) on the same server

I am running SLES11 SP2 and VirtualBox-4.3-4.3.20_96996_sles11.0-1.x86_64 is running in the same server. facing problem to make VirtualBox headless answer on rdp port(4001) on the same server. ...
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0answers
8 views

hamachi on a VPS host

I am on a mesh network and recently installed hamachi linux on a VPS host (inmotionhosting). The program installed fine and I am able to join the network and see the hamachi client list. However, ...
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0answers
9 views

How do I go about geting synergy 100% operational with error in build process

During the install process I get the following snippet of an error When I get to the part about cryptopp: Scanning dependencies of target cryptopp [ 19%] Building CXX object ...
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0answers
26 views

How to reduce file size in swf files?

I'm trying to reduce the file size in a swf file that is 17 MB in Ubuntu 14.10. I tried using swftools and avconv. When I did swfcombine -dz file.swf -o file_new.swf swftools only managed to ...