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
0answers
10 views

Find riak node's listening HTTP and Protobuf port

I recently followed and scripted the Riak 5 minute install, successfully getting 4 nodes running on a Ubuntu 14.04 VM. Currently the nodes are running and are joined / clustered successfully. ...
0
votes
1answer
15 views

Auto open virtual Keyboard in Linux (Debian) if text to be entered?

Is there any possibility to auto open an on-screen virtual keyboard in Debian to when the focus is set to a text field? The behaviour should be like in iOS or Android app... Thanks!
1
vote
1answer
17 views

How to specify private key when decrypting a file using GnuPG?

I am trying to decrypt a file with GnuPG, but when using the command below: gpg --decrypt filename.gpg I get the following message: gpg: encrypted with RSA key, ID 3662FD5E gpg: decryption failed: ...
-1
votes
1answer
28 views

Connect to remote Linux server localhost through browser on Windows desktop

I have an application called SpagoBI that is running on a remote server. On the server it can be accessed through http://serverip:8080/SpagoBI. I want to be able to access that url on my windows ...
0
votes
3answers
35 views

How to boot Linux on a Mac with USB?

Although this question is even asked here before, the replies are outdated. My Mac HD failed, an the machine does not boot anymore, but I absolutely need to recover the data in it. So I thought of ...
0
votes
0answers
33 views

Rollback Kernel Ubuntu 14.04.2

I have looked at many answers on here but no matter what it doesn't seem to work. Fresh install of Ubuntu 14.04.2, trying to install an older kernel. I only have SSH access no GUI etc. What i have ...
-1
votes
2answers
28 views

Some Advice on Installing Linux Mint [on hold]

I am going to Dual-boot my machine with Linux Mint Cinnamon(With multimedia support). My configuration is as follows: Intel Pentiun G630 500 GB Hard Disk 2 GB DDR3 RAM As I am new to installng a ...
0
votes
0answers
18 views

Cannot access my port from other systems in same network

My machine is running in Red Hat Linux OS. I have setup a server using apache in port 8060. I am able to access in localhost but not is other systems for the same network. I am able to ping the ...
1
vote
1answer
15 views

How to remove the gpg signature from a signed file without creating a new file on disk?

If I have a 100 MB signed binary file that I download over the internet, I need 200 MB of disk space to open it. The file is just signed, not encrypted. When disk space is low, It is not possible to ...
1
vote
1answer
14 views

VTE Escapes Sequences

I'm investigating a problem where messages like ]777;notify;Command completed;uname⏎ show up in Terminal after executing uname. This is not limited to uname, this is only an example. I boiled it ...
1
vote
0answers
14 views

Embed initramfs into existing kernel

Is it possible to embed an initramfs image into existing kernel without recompiling the whole thing? I don't have resources to do that.
0
votes
0answers
16 views

Find video duration after applying slow motion

I'm trying to have apply slow motion effect to a series of videos. And further those videos will be scaled, padded and cross-faded. Following is the command I'm using to apply slow motion. ffmpeg -i ...
0
votes
0answers
14 views

Two-Factor Authentication Ubuntu verification code + password not working

I'm trying to install google-authenticator on my Ubuntu server. I installed the lib via: sudo apt-get install libpam-google-authenticator then In my /etc/pam.d/sshd I've added: auth required ...
0
votes
1answer
59 views

Script that scans my network

I have a question I want to run a script that scans my network and that I can see with devices are up in my network. I want to paste some arguments also in the script When I run the script: ...
-1
votes
1answer
26 views

What extras do I need to maximise battery life on a Linux laptop? (And how to stay current) [on hold]

Now, I know that this question has probably been asked 1000 times - but as far as I can tell, the answer seems to change a lot over time. While researching, I came across powertop, pm-utils, tlp, ...
0
votes
0answers
6 views

Alternative of arch_fast_hash in Linux kernel v3.19 and above

To find the hash value of a given buffer, I used arch_fast_hash function present in Linux kernel v3.16 declared in include/linux/hash.h and defined in linux/lib/hash.c. But in Linux kernel v3.19, ...
0
votes
0answers
11 views

While upgrading linux, how to prevent packages from performing certain operations?

I have to update some machines, but I am using a patched version of linux, and don't want packages to modify specific files. To be clearer here is a list of the actions I don't want a package to be ...
0
votes
1answer
29 views

Webserver to provide several options to cleint download request?

I want to be able to download from webserver a file. However, I want the server to store several versions of that file (for example, one saved as AppB.tar or another as AppB.tar.gz), and then for the ...
3
votes
1answer
64 views

Why does “curl” command work normally while “ping” not?

I find a strange phenomenon in my corporate network: I can execute curl google.com command successfully: [root@localhost ~]# curl google.com <HTML><HEAD><meta ...
0
votes
1answer
25 views

Move /home on Centos 7

I need to move my /home to /dev/md3 because I need more disk space for it, but I don't know how to do that. I copied the contents of "/home" to "/var/home", but I do not know how to assign "/var/home" ...
0
votes
0answers
12 views

Intentionally reduce speed of ddrescue

(first time poster) I want to slow down how fast ddrescue copies data. I'm imaging a hard drive from my linux laptop to my windows desktop. ddrescue is able to run faster than my computer can download ...
4
votes
1answer
33 views

cd <nonexistent_directory> in bash causes cd to different directory?

Ok, so I've been using Linux for 18 years and have never seen or heard of anything like this: starting-forth$ ls ch01/ ch02/ ch04/ ch05/ ch06/ text/ starting-forth$ cd ch07 # A directory I ...
0
votes
2answers
25 views

mount root (/) again after mistake, without /etc/

I think I accidentally mounted /dev/hde1 to / after formatting another disk with mkdosfs -F 32 -I /dev/hde1 /dev/hdc1 should be mounted on / but now there is no way to remount it again since ...
0
votes
1answer
20 views

How do I run Asterisk as user other than root?

I compiled Asterisk 11 from source as user root on CentOS. Now I want Asterisk to run as user asterisk group asterisk. I have uncommented AST_USER="asterisk" AST_GROUP="asterisk" in ...
0
votes
1answer
9 views

apt only half-sees a package

On debian stable, with almost standard sources.list file, I can't install the following package. $ apt-cache showpkg ttf-mscorefonts-installer Package: ttf-mscorefonts-installer Versions: ... ...
0
votes
0answers
5 views

nginx + php5-fpm displays 502 Bad Gateway

After an update php5-fpm stopped working. It shows blank page, and after restarting nginx 502 Bad Gateway. In nginx log there is following line: 2015/05/27 20:27:08 [error] 3034#0: *40 recv() failed ...
0
votes
1answer
7 views

Cisco Anyconnect VPN (Linux) won't launch

Using OpenSUSE 13.2 (64-bit), I recently installed the Cisco AnyConnect VPN. It shows up in my applications list, and I can try to launch it, but after about 10 seconds of the "loading" spinning icon, ...
0
votes
0answers
20 views

Why do wget and curl fail to download page source?

Via a shell script, I would like to download the source for a web page with air quality data on aqicn.org. Here is the URL for the page with Beijing air quality data: http://aqicn.org/city/beijing/m/ ...
0
votes
0answers
9 views

How do I break out of an inner loop? [migrated]

#!/bin/perl for (( i=0;i<=10;i++ )) do for (( j=1j<=3;j++ )) do if(( $j==0)) then break fi done done Other than break is there is any keyword like in perl ...
0
votes
0answers
16 views

Debian upgrade from wheezy to jessie: Networking fails after short period

I've just upgraded my Debian system from wheezy to jessie. Almost everything works, but I lose the use of the network after a few minutes (no more than 5). I can get it back by doing a "service ...
0
votes
1answer
24 views

about packages in Linux? [on hold]

When i open this folder /var/cache/apt/archives I found a big list of all the deb files of all the programs that I've installed before so my questions is : Is it possible to use these files ...
0
votes
0answers
7 views

rsync a folder ignoring sud-dirs which has with circular symlink

I am trying to rsync a folder as below: rsync -ahLz ./src /tmp/ Dir "./src" has circulr symlink as: $ ls -l src/cpp/blddir lrwxrwxrwx 1 lnxbuild users 16 May 27 02:16 src/cpp/blddir -> ...
0
votes
0answers
16 views

Find the correct .desktop file

I'm faceing a strange thing. I installed QTcreator on my Debian 8 system. Application was added to favorites, and I found a DigiaQt-qtcreator-community.desktop file in ...
-1
votes
0answers
19 views

How to download encrypted HLS videos on any sites [on hold]

I am using Ubuntu 14.04 and win8 as dual boot. I generally use Ubuntu. I wanna learn how to use hls-fetch or any hls downloader on Ubuntu. And all video is downloadable via IDM on Windows. But I have ...
0
votes
1answer
25 views

Creating deb file in Debian using github source code and debuild tools

I want to compile nginx (with custom libs) using up-to-date source code from GitHub. But if I download the code from GitHub, obviously, there is no "debian" folder and inner files. So, when I use ...
1
vote
1answer
21 views

How to remove/change a disk filesystem label?

On a disk drive there was ZFS filesystem installed, and now it's been replaced with btrfs. But "zfs_member" label remains as the disk label: $ lsblk -f sda |----sda1 ntfs label1 sdb ...
1
vote
1answer
23 views

How to unmount dvd (external usb) via eject button on device?

I have an problem with my external usb Dvd-Drive. Everything works fine, the mount works, unmount or eject via shell works. But if I press the eject button on the device it just eject the dvd but does ...
2
votes
1answer
40 views

Windows does not recognize HDD after reformatting one partition

I have 2 hard disk drives on my computer : On the first one, I have only Windows 8.1 and Ubuntu 14.04 installed (dual boot) The second HDD has 5 Partitions where I saved documents. Initially, all ...
1
vote
1answer
41 views

How to view total CPU and memory usage of per system user in Linux

I know the top command to see the process of CPU and memory usage, but some users of the system can generate a lot of processes, if I wanna know total CPU and memory usage of an user,I must count it ...
-3
votes
0answers
11 views

Multi-threaded export process [on hold]

I need to export/generate a gigantic amount of data/media (courses) from a CMS database running on an Ubuntu server. I know my way around Linux but I'm not an expert in the inner workings of ...
3
votes
2answers
12 views

Does anyone know of a pre-built cygwin distribution that includes common packages?

For those of you familiar with Cygwin and its packaging system/installer, you will know that the installer distributed from cygwin.com comes with the basic skeleton software as well as a tool that ...
2
votes
2answers
28 views

Where do I put commands to run scripts?

I'm trying to run a few scripts (whether python, java, etc). The developers in their documentation give code for me to put in. Here are some examples: java -Xmx2g -jar muTect-XXXX-XX-XX.jar ...
-1
votes
0answers
15 views

Routers work with mac address or switches [closed]

its confusing how routers work on mac address ?.I heard switches work on mac address ?.Its all confusing sorry about my english
0
votes
2answers
25 views

NTP - ntpq -c peers showing incorrect stratum for peers

I am running Ubuntu 14.04 as an Amazon Web Services instance. When I run ntpq -c peers on my server I get the following output: # ntpq -c peers remote refid st t when poll reach ...
4
votes
1answer
68 views

Who's crashing my kernel?

Symptoms Suddenly, a message saying "A problem in the kernel package has been detected" started appearing after I login upon boot. A new message is shown every second, incessantly (translation ...
0
votes
3answers
30 views

Is there anyway to produce realistic load(cpu,memory and disk all together) on a linux system?

I am using Ubuntu 12.04 and I want to stress test my system but most of benchmarks are specific in nature. Either they are benchmarking Disk or CPU or Memory usage etc. But is there anything which can ...
0
votes
1answer
31 views

Why ssh -R allows port '0' but ssh -L needs a port number?

Why with ssh -R is possible to allocate a free port by specifying '0' while with ssh -L you need to specify a valid free port? I want ssh to use a local free port to FWD remote traffic without ...
0
votes
0answers
10 views

3G USB modem switches back to storage mode after connection is lost

I configured a 3G USB modem (Novatel Wireless U679 (Ovation MC679)) on a Raspberry Pi running Raspian OS. To switch the modem from storage mode (1410:5059) to modem mode (1410:7031), I use the ...
1
vote
0answers
8 views

Allowing ::1 on busybox httpd

I'm running busybox 1.23.2 (compiled by myself from source) on Linux. I'm trying to prevent other people from accessing the files I put on my server, so I thought I'd configure the server: $ cat ...
0
votes
1answer
21 views

Load the OS from SD card which is purposed to run on Raspberry, on my computer

I have an SD card where I want to write an OS for my Raspberry, then I want to do some modifications to its files, like create Python code files there in a convenient manner, install libs and ...