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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assign identical permission to owner and group

I want to assign a bunch of folders and files ( around 1000 files and folders ) the same permission to the group as they are for the owner. Is there an easy way to realise it? The normal method would ...
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0answers
14 views

Chromium MIDI setup on Linux

I'm currently trying to work out how MIDI is supposed to work in Chromium on Linux. I'm on Gentoo. I've got Chromium 52.0.2743.60 installed. The midi access object obtained from navigator....
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1answer
32 views

Running a server for Minetest

I hope this is the correct stackexchange site to ask this question. I am trying to run a minetest server from my computer (Linux) but I'm unable to connect it from another computer connected to the ...
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0answers
32 views

Burning Windows XP ISO To USB [duplicate]

I'm attempting to create a bootable ISO for Windows XP using Gparted and dd in order to install onto another computer. However, every time I've attempted to do so and have burnt the ISO to the disk ...
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0answers
24 views

What is the swap partition on linux mint? [on hold]

I'm installing linux mint and looking for the swap partition. All it has is: / /boot /home /tmp /usr /var /srv /opt /usr/local
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4answers
5k views

Installing Dropbox on headless Ubuntu 14.04 x64: permissions error

So I'm trying to install Dropbox (as root) following the seemingly easy instructions on dropbox.com: cd ~ && wget -O - "https://www.dropbox.com/download?plat=lnx.x86_64" | tar xzf - ~/....
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0answers
5 views

Where One-Tab Firefox Extension save data

I am trying find the (*.sqlite or *.json or *.db) file where one-tab firefox extension saves the urls, but I am not have success. Some of you know about this? Thanks. P.S.: I'm using Debian Jessie
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1answer
19 views

curl shows a greater-than sign instead of uploading a given file to a given server

I want to upload a file to a WebDAV server within Linux command line. The standard recommendation for this is to use curl in the following way: curl -u mail_address:password -T filename.ext https://...
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1answer
17 views

How to rsync files older than x min on linux

Here is what I have now: rsync --remove-source-files -vr user@server:/foo/bar/in/ /some/local/path Is there a way I can instruct rsync to only fetch files that are older than x min/hours from the ...
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0answers
16 views

Boost input mic under Debian

I'm running Debian Jessie Lite (without X) on RPi3. I connected an external USB microphone and I set the volume to maximum using both alsamixer and pactl set-source-volume. Anyway the actual ...
4
votes
1answer
5k views

VirtualBox NAT over proxy

I use VirtualBox 4.1.8 on a Ubuntu 10.04 host system. I have an HTTP proxy server on the host system. How do I configure the VirtualBox to NAT the virtual machine's network and use the HTTP proxy for ...
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2answers
2k views

How can I compile the CIFS filesystem for a DLINK DNS-323 box?

How can I find/compile/install the CIFS filesystem for a DLINK DNS-323 box? Updated: for added clarity: the CIFS module is nowhere to be found. Firstly, I need an indication as to how I can procure ...
3
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2answers
20 views

Uncompress using tar -xvzf results in a folder with less size than compressed file

I have a file called DW.tar.gz in a RHEL 6 which has a size 539MB. But when it is uncompressed using: tar xzvf DW.tar.gz the resultant folder only has 44KB. The linux shell doesn't display any error ...
1
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1answer
14 views

Why does my Ubuntu IPv6 ssh server not work?

I am failing to set up my Ubuntu Server (16.04 LTS) with OpenSSH via IPv6. The server is running inside a VirtualBox Machine, which has its network interface set to "network bridge" (if that is the ...
0
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1answer
25 views

Linux: Checking communication between three hosts

I would like to find a Linux command that I could write a bash to test the communication between three (or more servers). My need is showed in the scenario below: Source Gateway Dest Host A Host ...
1
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2answers
15 views

Creating a bash script for logrotation with date in foldername

I have a folder structure in /var/log like this: . ├── customers │ ├── core00001 │ │ ├── 2016.07.21 │ │ │ ├── apache.log │ │ │ └── error.log │ │ └── 2016.07.22 │ │ ├── ...
0
votes
1answer
17 views

External disk not accessible

My WD Elements external disk connected via USB 3.0 cable is not accessible. I tried it with two versions of Windows and with Ubuntu 16.04 kernel 4.6.0. The disk was working some days ago. Then, ...
5
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1answer
3k views

google speech recognition offline linux

When I was doing some research on speech recognition, I saw some articles about the google speech recognition service on android being able to be downloaded and used offline on android. I also saw ...
0
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1answer
17 views

Does BIOS logs event such as power on/off?

I would like to know if someone opened my notebook. Note: I can't use Windows Event Viewer because someone can just insert a Live CD Linux to boot the PC bypassing windows. So does the BIOS save any ...
0
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1answer
14 views

Repeating a command based upon user input

I'd like to write a command where I can ask the user which operation (i.e., addition, subtraction, multiplication) they would like performed and ask them how many numbers they would like me to do it ...
0
votes
2answers
19 views

Restarting mysqld on CentOS 6.6

I'm trying to restart my mysqld process on CentOS 6.6. I have root access to the server and when I run top, this is the first line: PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND ...
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2answers
26 views

How to set up a surrogate user on Linux

I have a 'work' user and a 'leisure' user. How to I set it up so that one of those users has unfettered access to the other's home folder, so I don't need to constantly switch between the two or ...
0
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1answer
86 views

Can't configure network on ubuntu server using drac

I have installed Ubuntu 14 server on my server using DRAC of Dell. I have got all the info from my server company like IP Addresses, Gateway, Netmask and so on. I have tried to configure the network ...
10
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2answers
764 views

How to make auto complete available for directories in cdpath for tcsh?

I just learned the trick for setting up cdpath in tcsh and it looks pretty useful. However, it seems that auto-complete of sub-folder names doesn't come with it. Is there any trick available on that? ...
0
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1answer
31 views

Page not found on webserver in my raspberry pi

I wrote a simple rest api few weeks ago, this api working good into my webserver (bitnami - localhost), and also to my pay hosting. Now I setup a webserver with the raspberry, I'm a linux newbie and I ...
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3answers
29 views

How to configure Linux iptables to block a specific port of server?

I am trying to implement port restricted cone NAT. I want to block a specific port 3479 of server 192.168.10.102. iptables -A INPUT -i $WAN -p udp -s 192.168.10.102 --sport 3479 -j DROP iptables -A ...
0
votes
2answers
18 views

How do I use top (or equivalent) to determine if a process is behaving badly?

Are there indicators for when a process has "gone over to the dark side"? I feel that just using MEM% and CPU% are poor indicators for detecting things such as memory leaks (or other problems, ...
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0answers
27 views
+50

How to launch Java app on certain monitor?

I have laptop with external monitor connected, so actually I have two displays (with different resolutions, but I guess resolution does not matters). When I launch Java app (Supermicro IPMIView in my ...
0
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1answer
17 views

Live Migration without shared storage

I am new to Ubuntu and virtualization and I have been working on live migration of KVM machines without a shared storage. I have followed all the steps as described in the following link everything ...
0
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1answer
32 views

Linux Laptop shutting down on battery level bellow 8%

I've written a crontab entry that runs a script in my home directory as user. That notifies me if I forgot to switch the power brick on. This works fine. BATTERY=$(upower -e | grep 'BAT') ...
6
votes
10answers
17k views

How do I search for a string in a PHP file using `grep`?

I am searching for a class declaration on a site with hundreds of PHP files. How can I do this in the current folder and subfolders using grep? I tested cding to the folder and then something like ...
10
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1answer
566 views

Why doesn't this softlink work as expected?

bash4.3 # pwd /bin bash4.3 # ll sh lrwxrwxrwx. 1 root root 4 May 17 22:22 sh -> bash bash4.3 # ll bash -rwxr-xr-x. 1 root root 1072056 May 17 22:22 bash bash4.3 # bash bash4.3 # ...
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1answer
4k views

Wrong newline character over serial port (CR instead of LF)

I'm trying to talk to a device using a usb-to-serial converter on linux. Drivers are working, the device exists at /dev/ttyUSB0. There is a strange problem (checked with a null-modem cable to another ...
3
votes
1answer
56 views

How to set default grub configuration file

I am booting four operating systems: Windows 7, Ubuntu, Kali Linux, and Linux Mint. They were installed in that order, with Linux Mint most recently and Windows 7 first. I am able to edit the /etc/...
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0answers
12 views

New Libre user needs assistance

I get the feeling this is going to be a little long winded so, please bare with me... I have a column which has hours in it, which are totalled at the bottom, for anything that has more than 2:29 ...
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0answers
7 views

Running mdadm raid 6 with bcache layer on top. The raid had 6 drives in it and then an ssd for bcache

Output of /proc/mdstat Personalities : [raid6] [raid5] [raid4] md0 : inactive sdd1[1] sde1[2] sdi1[5] sdb1[0] sdc1[6] sdh1[4] sdg1[3] 13673677416 blocks super 1.2 unused devices: This raid ...
0
votes
2answers
954 views

How to switch between command-line and GUI in VM on a Mac?

I have installed CentOS 7.1 in VMware Fusion of my Mac. I logged into the terminal (default runlevel 3) and started the GUI using the command "startx". I want to switch back to the terminal. Ctrl+Alt+...
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0answers
372 views

Linux and Nvidia Hybrid Graphics card

My specs: Intel i7 (along with Intel on-die graphics) Nvidia 840M 8GB RAM, 1TB HDD It's a laptop with hybrid Nvidia and Intel Graphics. It's a HP laptop and there is no option in the BIOS to turn ...
0
votes
1answer
19 views

How to browse bash history between certain line numbers

Everytime I need this I google it like 10 minutes. I don't know how to express this better so that Google finds it right away but I need to retrieve bash history between certain lines like: $ history ...
0
votes
1answer
22 views

Automatically shorten paths over a character count limit in bash

Windows and tools running on windows servers (eg. OneDrive) have a limit on path lengths. I am looking for a command line tool in OSX/Linux/Unix to, within a directory, shorten all paths above a path ...
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2answers
38 views

Cloned old SSD to new, larger SSD - can't align partitions

I went from a 120GB SSD to a 480GB SSD, but because I dual-boot between Windows and Linux, I can't seem to get the new, unallocated space beside either of the partitions for an extension to happen. I ...
141
votes
10answers
153k views

Is it possible to ping an address:port?

I am not into networking, and I have the following question related to the Linux ping command. Can I only ping an address? For example: miner@raspberrypi ~ $ ping onofri.org PING onofri.org (67.222....
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2answers
35 views

Passing environment variables to remote server as a different user

I'm trying to set environmental variables while I SSH into a remote server on a CentOS server. I am running the command as root but need it to run a command as the Oracle user. I found a few things on ...
0
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1answer
22 views

Apache leading to system lock/freeze

The conclusion in the title may be wrong given that the problem is close to a year old and just now was I able to get some info on the issue. This is on a centos 5, running on an old PIII with 384 MB ...
0
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1answer
1k views

how to get information from HDD from DLINK DNS-323

Problem: After restarting DNS decided that on of 2 existing HDD (in Standard, not in RAID, etc.) is new and asked to format it. DNS indicated problem HDD by Purple LED instead of Blue LED. What I ...
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1answer
250 views

Slow hotkey response in GNOME 3.12

I run Arch, and I recently grabbed the 3.12 upgrade for GNOME. I've had F12 bound to terminator for a while, since I often have to summon new terminals. Ever since the upgrade, using a hotkey for a ...
12
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1answer
588 views

Multiple Installations and Understanding $PATH

I have an older version of Git installed at: /usr/bin/ I recently downloaded a newer version to: /usr/local/bin When I type: which git I get the location of the old version. I believe that ...
3
votes
1answer
26 views

KDE system monitor vs GNOME system monitor

I have both the system monitors of KDE and GNOME. When I compare the CPU usage of a CPU intensive program, that of KDE reports a 30% usage and 3GB of memory while that of GNOME reports 300% of CPU and ...
2
votes
6answers
1k views

How are certain Linux distros substantively different? [on hold]

Context: I keep trying Linux every couple of years or so, to see how it compares with Windows. I would use it to work on Mono and Java, both of which I can do. I've looked at a number of distros: ...
0
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0answers
15 views

How can I benchmark Internet connection uptime (to run for hours and log results)? [on hold]

I have reason to suspect that my Internet connection is unstable. How can I monitor (with logging) Internet uptime and length of outages? Is there a tool or built-in command that can provide ...