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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Broken link /var/tmp to /tmp/var

I was experimenting on one of our company linux machines running CentOS 6. The /var/tmp was a hardlink to /tmp/var. For testing purposes I removed that link and now I'm unable to recreate it. My ...
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11 views

Li-Ion laptop batteries are my batterries really bad?

My laptop battery was just at 93% capacity last time it was charged fully. I charged it fully again, and this time it only hits 87% ahhhhhh. This is nuts. I've had this battery for about a week. Is ...
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16 views

Ubuntu DOSBox displaying random characters in the right places

So I've installed Ubuntu on an old PC that I just found around and decided it'd be a great way for me to actually learn to use linux since in my major, Linux management isn't taught. One of the core ...
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14 views

Creating a Guest WiFi interface on Banana Pi, where devices on other interfaces can't reach each other

I have a Banana Pi I'm trying to use for a Guest WiFi network; What I'm trying to achieve: Pi forwards traffic eth0<->wlan0 Desktop can't contact Guest1, and the other way around. Guest1 can't ...
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9 views

Add tags on android pictures

How to add tags that could be seen on Linux system? When upload photos need automatic sorting by tags. Default tags on android doesn`t work.
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25 views

tmux / urxvt: Odd behavior when selecting text with mouse

I've just recently begun experimenting with urxvt as a terminal emulator rather than xterm. I'm a heavy tmux user, so having both work seamlessly together is a must. I've noticed that when running ...
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9 views

Creating a self-contained installation file for pymssql for CentOS

I'm trying to deploy a Python application on a machine that due to system and organisation requirements can't have gcc installed on it, so I need to create a self-contained installation file for ...
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41 views

How to configure a remote SSH tunnel to preserve the source ip

I have a server behind a NAT, and I am using a reverse SSH tunnel to access it from the internet. (I do not have any control over the NAT) I am using these settings: autossh -f -M 37650 -N -R ...
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26 views

NginX Unicorn setup not serving Server Blocks

i used the awesome Gist to setup unicorn together with nginx. It works perfect so far. But now i have the need to serve a small app with basically static files for a subdomain. I create a server block ...
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11 views

Link errors with symlinks

I've moved all the files of ./usr to an external drive /home/Linkados/usr (SD card 8Gb) using $rsync --progress -l -r /usr /home/Linkados/usr Then I created a symbolic link from my SD to my flash ...
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19 views

How do I set KDE under Fedora to use English instead of Danish in software?

How do I configure Fedora 23 to English instead of Danish in the interface of all programs. I am runnig Kde as the desktop, and in "System Settings"=>Translations I have "American English" as only ...
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16 views

How to pin an USB input device (remote control) to a window?

I bought a cheap USB remote control (1d57:ad02) that acts as a keyboard input device. It works very nicely, the only drawback is that it works only as long as the window has focus. Is there a way how ...
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12 views

Redhat status bar not showing

[RedHat-Linux] below status bar (start menu) is not apper (not showing) & Icons also not apper, and unable to open terminal through right click (do right click showing firefox, xkill, and logoff ...
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7 views

atd: how to delete all jobs in the at queue, except for that which will be executed next?

I'd like to write a script which puts jobs in atd's queue, in a way that there is only one at a time. Adding a new job should, in certain cases, override any existing job. The job itself takes care ...
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27 views

Proxy settings in Ubuntu Transmission Client

i want to add a proxy to transmission client of Ubuntu . I can add a proxy through Network Proxy but the proxy requires authenticate and thus doesn't work in transmission client. So is there any ...
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12 views

How to fix Linux No Such device or address while trying to open /dev/sddlma1?

Using clonzilla I recently re imaged a HS21 blade. During boot I am receiving a "No such device or address white trying to open /dev/sddlma1" An error occurred the file system check Dropping you ...
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19 views

Finding oldest packages that satisfy dependencies

I need a way to determine which packages would need to be installed to satisfy the dependencies for a package. At the moment, I'm doing: repoquery -R --resolve <package> but I need the ...
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7 views

How to share a serial port between a gdbserver and a system console

I am trying to debug userland applications on an ARM-based embedded system running a Linux/Busybox software stack. GDB runs on a host (Debian) PC and the target has a gdbserver. I'd like to use one ...
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33 views

Should I clear deleted/unused inode?

I trampled my filesystem and I'm trying to use fsck to get it back. I don't understand the question it is asking me though. For example: Entry 'Trolly 2.jpg' in .../Trolly (70115341) has ...
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38 views

Routing traffic between veth pair

I would like run strongswan in linux namespace between veth pair and protect all the traffic from lan to wan traffic. I need some help in getting routing between veth pairs of interfaces in the linux ...
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8 views

GNOME TopBar “Applications” & “Places” switched places(

I'm using GNOME 3.14.3/3.14.4 on following system: $ cat /etc/redhat-release CentOS Linux release 7.2.1511 (Core) $ uname -a Linux X 3.10.0-327.10.1.el7.x86_64 #1 SMP Tue Feb 16 17:03:50 UTC 2016 ...
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35 views

Many LXC (with Proxmox) behind a single IP address

I want to use different LXC (Linux Containers) with the help of Proxmox running on Debian. At the moment I have only one public IP Adress provided by my hoster. IP Adress: 193.111.140.1XY ...
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5 views

What is the replacement for intr option when mounting NFS?

intr / nointr This option is provided for backward compatibility. It is ignored after kernel 2.6.25. says the man nfs(5). I'm facing the problem when NFS client blocks forever when accessing a ...
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35 views

University Wireless Connection

I have been having a lot of trouble staying connected to the wireless at my university (George Mason). I've tried many things to fix this, but none have worked. Kubuntu 14.04 3.13.0-83-generic ...
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16 views

Taking vector screenshot from Firefox

I am trying to take a vector screenshot of a webpage. What I did: Start a fresh Ubuntu 15.10 from the LiveCD Install Firefox Nightly from the PPA, it's currently 47.0a1 Install ...
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25 views

Raid 0 SATA (2 discs) -> Raid 0 SSD (2 discs) - linux

What is the easiest way to migrate from two discs (approximately 500Gb) in RAID 0 with linux (fedora) to two new SSD discs with same size (approximately 500Gb)? For making process easier i can use ...
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178 views

How to install wifi card in parrot security OS

I just installed 'Parrot Security OS' on my computer. After installation I am not able to access WI-FI . There is no WI-FI option at all. I am currently using HP pavilion 15-p206tx laptop, which is ...
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34 views

How to enable Network when installing CentOS 7 from USB flash disk?

I downloaded CentOS 7 DVD ISO. Then I use Fedora LiveUSB Creator to create a bootable USB from that ISO. But during the installation with that USB, I cannot fix the Installation Source, though I have ...
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17 views

Where are the logs of /etc/sddm/Xsetup (KDE Plasma 5)

My OS is Fedora 23 and I use KDE-Plasma 5.5.5. I've written an GUI-application wich starts before the KDE login screen. I've achieved it by placing the line /path/to/my/app into /etc/sddm/Xsetup. The ...
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16 views

LDAP backed server WebDAV path permissions

I'm trying to build a WebDAV server which fetches access permissions from LDAP. I'm aware of the DAV module in combination with the authn modules for apache2 (and I'd prefer apache2 solutions since I ...
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18 views

How to debug Linux server connection silence

[EDIT] After I restarted for the 6th time it finally worked. I have no clue why, but hey, I can proceed again. [/EDIT] I'm developing a website using the Python Flask framework. Flask comes with a ...
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10 views

What are the drawbacks to use bridges to segment a network?

I am building a network which consists of a gateway (192.168.0.254) to a WAN which provides via DHCP the gateway address for my network. This is the part imposed on me. a central machine running ...
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17 views

Why do I am always getting error while configuring any email client setting

I tried configuring Evolution linux based email client with gmail. It's not configuring and shows error Could not connect to imap.gmail.com: Network is unreachable- I have got my correct server and ...
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12 views

Wodim can't open SCSI driver in Debian Jessie?

I'm attempting to write an ISO image to a CD on Debian Jessie. I have the CD in the drive, and it appears that all of the symbolic links are pointing where they should be, and the kernel recognized my ...
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33 views

How to determine which OS's would work best with legacy hardware?

Forgive the novice question but I'm a newb to the site as well as pretty new to tinkering with PC's. I have an old HP Pavillion 6635 (I believe it's 66 MHz) with very little RAM that I plan to update ...
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17 views

Android Studio and Sdk shared between 2 Linux OS'es

I have 2 linuxes installed on different partitions and one more partition for the home dir which is shared between the 2 linux distributives. The names of the users are different, user1 and user2. I ...
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12 views

How to choose columns for top command in batch mode?

$ top -bn1 | head top - 15:16:52 up 11 days, 5:01, 4 users, load average: 0,00, 0,03, 0,11 Tasks: 411 total, 1 running, 408 sleeping, 0 stopped, 2 zombie %Cpu(s): 4,5 us, 0,6 sy, 0,0 ni, ...
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46 views

linux + vastool + print password by vastool

please advice how to print the password from active directory ( LDAP ) of specific user by vastool ? user=admin1 /opt/quest/bin/vastool Copyright 2014 Quest Software, Inc. ALL RIGHTS RESERVED. ...
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23 views

Keep track of linux terminal commands in git

Is there a way we can keep track of commands executed in linux terminal in git? I would like to commit each command entered.
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39 views

VirtualBox Fedora hard disk installation suddenly not booting

For the past two months I have had a working 64-bit Fedora Installation through VirtualBox on my Windows 10 machine. All of a sudden today my system refuses to boot, when I try to start it I just end ...
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22 views

Problems with asus z97k boot order

I have a z97k motherboard and connected to it a 120Gb SSD (with windows installed) and a 3Tb HDD (with a 500Gb partition with linux mint and the rest is NTFS for storage, also the mint bootloader is ...
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21 views

dvgrab on Debian gives “no camera exists”

I have an old Canon HV20 camcorder with a Firewire interface. I haven't really been copying movies out of it much beyond to my old Macbook, which is more or less broken down by now. That is why I got ...
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18 views

calculate avg time for 3 person time in linux

how can i show 3 person's average sum in linux? For example, let the times for dough be 1,2,3,4,5 seconds delta be 5,6,7,8,9 amanada be 7,4,5,6,7 in bash script for all 3 users
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33 views

Kubuntu 14.04 high memory usage

My problem is the following: The used RAM just keeps on building up over time and after about an hour the top command says that I have about 30-40 MB RAM left. Then, after about 1 or 2 minutes, my ...
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13 views

rtorrent.conf copy to temp then execute shell script

How to copy to temp directory after completed then execute bash ? Is this right code? #Public schedule = watch_directory_regular, 10, 10, ...
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44 views

Alpine Linux on raspberry pi fstab overlayfs issue

I'm completely new to Alpine Linux and Linux in general so please advice! I've installed Alpine Linux on my raspberry pi following this wiki on alpine linux. Everything is fine until I reach the ...
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193 views

How to get rid from infinite login loop in Ubuntu 15.10

I have installed NVIDIA CUDA 7.5 toolkit from "https://developer.nvidia.com/cuda-downloads", on my PC which is running on Ubuntu 15.10. I am using 'HP Pavilion 15-p206tx' laptop. After installation ...
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19 views

Dovecot not creating mailboxes

I am trying to configure dovecot to automatically create some default folders for the mail users. I tried creating a namespace with an mailbox but somehow it isnt created. My entire namespace is: ...
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11 views

How do I address the java process warning and MySql conflict while deploying Hortonworks?

I have two nodes in AWS. I got a java process warning while registering and confirming hosts. Could this warning message, issued for the name node, be ignored please? Process Issues (1) The ...
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17 views

Linux Livereload Error

Hi I want to install Livereload on Linux. I am using Elementary OS Freya. I'm following this instructions to install. When I execute this: bundle exec guard init livereload I get this error: ...