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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2k views

Linux driver for Bigfoot Killer E2100…?

I have looked around online a bit, but have not been able to find any drivers to make a Bigfoot Killer E2100 work under Linux (CentOS 6, for what it's worth). The one candidate I found required a few ...
3
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159 views

Why is nano ignoring the first line in files?

I've sshed into Server A and Server B from Windows Vista. I've sshed into Server A and Server B from Windows XP. In all 4 cases, when I edit a file with nano, the first line does not show up in nano ...
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22k views

Linux log files - why did my server go down?

When I got home, my server was hung in the BIOS boot process - the system had restarted for some reason. The last log entry in /var/log/messages relates a DHCP renewal request - there's nothing ...
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0answers
18 views

DISPLAY environment variable is always 0

I have two monitors attached to the same desktop computer. However, when I do echo $DISPLAY, it prints :0.0 on both screens. Shouldn't echo $DIPLAY print :0.1 from one of the screens?
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23 views

Linux Mint 17.3 screen is not automatically locked when I manually lock the screen

My problem is basically as the topic says. I am using GLMatrix screensaver from xscreensaver. I set the delay before locking screen to immediately, lock the computer when inactive to after 1 minute. ...
2
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0answers
18 views

Force linker to find stdc++ in non standard directory

I've read a lot of guidance that says the LD_LIBRARY_PATH is searched before anything else, but one of my .so libraries is linking with libtdc++.so.6 in /usr/lib64. ldd mylib.so: ... libstdc++.so.6 =&...
2
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0answers
31 views

DSE Servers not found and unable to initialize hash chunk service

I'm following this opendedup guide from github (https://github.com/opendedup/sdfs). However, I'm stucked at the DSE server part whereby need to mount a volume. Anybody can guide me through solving the ...
2
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0answers
49 views

Blurred text/desktop

I'm having a problem with my Linux (and windows desktops). On windows my screen gets blurred after a bit of usage and newly opened apps get this immediately too. I believe this has started only ...
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0answers
28 views

Ethernet interface EEPROM failure after thunderstorm: Any way to recover?

During a thunderstorm, two times in a row the ground fault circuit breaker tripped and a number of devices, including my NAS lost power. After the second time one of the ethernet interfaces of my NAS ...
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0answers
19 views

Login to GNOME (Fedora) using my FreeIPA credentials

I have a FreeIPA Server (Fedora Server 23) and a FreeIPA Client (Fedora Server 23 with GNOME). Everything works excepts one thing: I can't login to Fedora Client with my FreeIPA username and password. ...
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0answers
29 views

Bumblebee with HDMI on Nvidia - Make usable both with/without connected monitor

I use an Asus laptop with Optimus. The VGA output is wired to the Intel card, while the HDMI output is wired to the Nvidia card. I'm not using PRIME or nouveau, but prefer a bumblebee setup (the only ...
2
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0answers
19 views

A portable linux system with luks encryption can't boot on one of my machines

I installed opensuse on a portable SSD drive, which I can boot on several of my machines. The installation uses luks encryption on /home and /swap partitions (ext4 filesystem). But only when I use ...
2
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0answers
12 views

Backup multiple virtual machines and save backups to host

I have linux centos server with multiple ( 10 ) virtual machines running on vmware. Is it possible to make backup on database and specific directory on each virtual machine via script and cronjob on ...
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0answers
14 views

meminfo values does not add up

I am investigating a memory issue of in my system. The following is /proc/meminfo: $ cat /proc/meminfo MemTotal: 32869176 kB MemFree: 1495144 kB Buffers: 15052 kB Cached: ...
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0answers
45 views

Reading CPU model specific registers on linux

I am running Ubuntu 15.10 but testes it also on Debian. I have Intel i5-5675C processor. I am using msr-tools-1.3 to do it. I am able to read register 0x00001a2 with the following command: rdmsr ...
2
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0answers
95 views

Copying files from ext4 to NTFS

I am trying to copy some files from an Ubuntu-based (ext4) external drive I have to my NTFS external drive. I opened up ext4 hard drive in Windows (it's read only) and started copy / pasting to NTFS. ...
2
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0answers
1k views

Failed to adjust OOM score of renderer with pid X: Permission denied

I'm not sure what exactly causing, but I'm getting following error: Apr 11 12:30:00 X alacarte-made-2.desktop: [1712:1735:0411/123000:ERROR:zygote_host_impl_linux.cc(162)] Failed to adjust OOM score ...
2
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0answers
24 views

Creating a PDF file that prevents saving background images

I would like to create a PDF file such that the viewer is able to select and copy the text, but not the images in it. I have seen examples of this in some invoicing documents, where you cannot ...
2
votes
0answers
20 views

What is the function of the modifier keys in xmodmap?

When I run xmodmap, I get something like this shift shift_l (0x32), shift_r (0x3e) lock control control_l (0x25), control_l (0x42), control_r (0x69) mod1 alt_l (0x40), ...
2
votes
0answers
70 views

Why can't I sign into the Google Services using the Epiphany browser?

When I go to accounts.google.com in Gnome's Epiphany, I get an error message that reads: Oops! Something went wrong while displaying this page. Please reload or visit a different page to ...
2
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0answers
136 views

Linux boot fails with /dev/disk/by-uuid/XXXX does not exist - Asus Zenbook Pro Touchpad Not Working

Device: Asus Zenbook Pro ux501vw-ds71t Ubuntu Version: 15.10 I installed Ubuntu 15.10 and the installation was successful. However, the Elantech touchpad did not work. I read that the newer 4.5.0-...
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0answers
88 views

Huawei E303 3g modem stuck in a wrong USB mode

I have a USB 3g modem (Huawei E303) running well for weeks now under Linux (Raspbian Jessie) as an isolated box prototype that serves web content over WiFi to mobile phones and tablet pcs (for the ...
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0answers
66 views

File system which supports trim command for shared SSD

I have a ~500GB SSD and I want to read/write on it from both of Windows and Linux. As far as I know, there are three choices for file system of shared drives: FAT32, NTFS and exFAT. FAT32: Not an ...
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0answers
197 views

How to find the cause for high CPU usage of gnome-shell?

I'm on a Linux Fedora 23 and I recently noticed that my gnome-shell process constantly uses 100% of one CPU (reported by htop, no visible applications running). There are some hints out there which ...
2
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0answers
201 views

How to unlock screen from script in KDE Plasma 5?

I use pam_usb and want to lock/unlock computer when USB stick is removed/inserted. For locking I use qdbus org.freedesktop.ScreenSaver /ScreenSaver Lock and it works perfectly. For unlocking I've ...
2
votes
0answers
70 views

How to find out the reason why ssh processes are hanging?

When i run command like iostat -dkx 2 2 via ssh, I get the expected result, but the processes on the local computer are saying alive in status "interruptible sleep". Why is this happening? Is there a ...
2
votes
0answers
65 views

Kde custom resolution

Everything is just a tad too small on Kde plasma 5 on my 1080p laptop. Everything looks peefect when I force 1600x900 using xrandr but a logout removes this setting and kscreen does not give it as an ...
2
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0answers
31 views

Shape recognition, cropping and rotation

I have a book where each page is a photographed picture (double sided). The next step is to clean up the images. Issue number one is that on quite a few pages the page is rotated a little bit right or ...
2
votes
0answers
93 views

Raspberry Pi 2 Raspbian: OBEX FTP to phone over bluetooth

I am trying to send a file over Bluetooth through OBEX. I have installed the obexftp package. I am able to pair the phone using pair in bluetoothctl. When I try to transfer a file with this : sudo ...
2
votes
0answers
56 views

how is envp argument passed to execve system call?

Suppose I call int execve(const char *filename, char *const argv[], char *const envp[]) where I malloced memory for envp, then how does the program filename access the contents of that array when ...
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0answers
100 views

USB wifi key: how to unlock european channels 12 and 13?

Context A USB Wifi dongle bought in Paris, France, is identified on Linux (Debian, Ubuntu, Mint same behavior) as ID 0846:9021 NetGear, Inc. It works well with Wifi networks in channels 1-11. ...
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0answers
28 views

CentOS 5.2, set up IP network

Good afternoon, I'm trying to get GCC installed on a CentOS 5.2 system, and I've been sent from UNIX/Linux forum to network engineering forum "http://networkengineering.stackexchange.com/questions/...
2
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0answers
137 views

Ubuntu - change block device location from /dev/sda to /dev/sdb

Host: Ubuntu 15.04 I have a M.2 SSD and one hard-disk. The hard-disk device location is normally at /dev/sda and the SSD is at /dev/sdb. I looked into some posts and found out some possible ...
2
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0answers
164 views

apache proxypass https to http not working

I have the following configuration: An apache with SSL configured and this server is accessible via the internet. A second apache in the local network of the other apache but this one don't have SSL ...
2
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0answers
113 views

How to change the sink priority in PulseAudio?

I have multiple output sound devices at home and at work. Especially, I want to automatically play sound via external soundcard when it is connected. So, I need some kind of the sink priorities. ...
2
votes
0answers
171 views

System-wide socks5 proxy

I am trying to get my server to run entirely through TOR proxy settings. I have TOR installed it works when I do it from Mint's GUI by setting the socks host to 127.0.0.1:9050. That way, all my ...
2
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0answers
62 views

kde is not loaded after install debian kde CD (.iso file)

I downloaded this .iso file: debian-8.2.0-i386-kde-CD-1.iso and expected to have KDE desktop but CLI is loaded after installation. I also tried startx but just redirect to another command line. ...
2
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0answers
36 views

Application conftest stopped unexpectedly

I have set up phpfarm so that I can use multiple versions of PHP interpreter on my system. This work really good but now I am getting crash reports on each and every system start. Seems like my ...
2
votes
0answers
76 views

Powerful disk editor for linux like Acronis Disk Editor

I would like to have a powerfull disk viewer / editor (raw hex editor) like Acronis Disk Editor. It shows the absolute sector, cilinder, head and relative sector for the part you are looking at, and ...
2
votes
0answers
44 views

How many times can I install a retail version of Windows 10?

I built my own desktop and am currently running Linux on it but would like to buy Windows 10 and dual boot. Can I also install the same purchased (non-OEM version) copy of Windows 10 on a VM inside of ...
2
votes
0answers
98 views

MongoDB ServerSelectionTimeoutError: No servers found yet

I've got a mongodb instance running on a standard AWS Ubuntu 14.04 server. After some trouble (upgrading the server using sudo mongod --upgrade --dbpath /var/lib/mongodb/) I now have the server ...
2
votes
0answers
224 views

no CUDA-capable device is detected inside LXC container

I followed the following instructions and read the official guide in detail in order to set up Cuda inside an LXC container. When I try to execute the sample ./deviceQuery script from the official ...
2
votes
0answers
78 views

Bind on different port with linux

I have a bind9 DNS server that I have configured to run in port 55 but I can't get the setup working. The server is works fine but I can't tune my local machine to resolve nameserver queries from 127....
2
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0answers
25 views

Any good reason to slice a LUN and create several VGs instead of create just one VG?

I'm the new administrator for a Linux RHEL box which uses a fibre channel 1-TB LUN disk. I find amazing the following: this LUN has been sliced by means of GNU parted(1), then each slice is turned ...
2
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0answers
206 views

Bumblebee does not switch off discrete graphics card after all programms shut down

After either primusrun <any application> or optirun <any application> and then quitting, the discrete nVidia graphics card is still running. optirun --status prints after everything is ...
2
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0answers
38 views

How to save multiple sessions in tmux?

I use tmux-plugins/tmux-resurrect to restore a tmux session. Albeit, I can only save one session. Is it possible to save multiple sessions in tmux with this plugin?
2
votes
0answers
143 views

How to rename a CUPS printer?

I do lot of printing in command line through lpr command, for which I need conveniently short destination names like lp1, lp2 etc. In past I could name the printers, but in opensuse 13.2, yast ...
2
votes
0answers
105 views

What may cause .ssh/config changes to be ignored

I had a ~/.ssh/config file that was working fine. it was in this format: Host * IdentityFile ~/.ssh/id_null TCPKeepAlive no ServerAliveCountMax 5000 Host *.domain.com User mydomainuser ...
2
votes
0answers
45 views

Samba execute permission is always set

I have a Ubuntu 14.04 server that exposes a samba share to Windows machine. When I connect to the share and create files with notepad, permissions are respected and files don't become executable. ...
2
votes
0answers
85 views

Force Ubuntu user to use specific shell

After years of reading helpful questions/answers on superuser, today it's my turn. I'm playing around with "lshell", a linux shell written in python (lshell on github) which gives the opportunity to ...