These questions are about Linux in general -- NOT specific to a particular distribution. If the question just happens to be in a Linux environment, please specify your Linux distribution in the body of your question, but do NOT use the /linux tag.

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1
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0answers
7 views

“BGRT Invalid Status Error 0 Expected 1” followed by permanent loading screen

After I shut down many programs at once using Alt+F4 in my Linux (Manjaro), my computer froze and I had to force shut it down. Upon rebooting, it gives me the error "BGRT Invalid Status Error 0 ...
4
votes
2answers
20 views

Is there a way to determine compile-time state of a kernel flag from a running system?

I have a running kernel and I'm trying to determine whether it was compiled with support for BTRFS extended attributes. Is there a way to determine a running kernel's compile flags?
1
vote
1answer
36 views

Where does Linux track who is a group admin through the gpasswd command?

If I modify group membership and admins using the gpasswd command and add a user as a group admin Linux will allow that user to perform tasks otherwise reserved by root. Ex. [test1@centos ~]$ ...
1
vote
0answers
13 views

How to have better transition between Splash Screen and Program in Frame buffer?

I am currently using Yocto Embedded Linux with frame buffer. When the machine is boot up, there is a splash screen. After the the splash screen, I will run rc.local to autostart my program. The ...
1
vote
1answer
208 views

does NFS overrides TCP keepalive time?

NFS server somehow disconnect NFS client detect server is disconnected client tries to reconnect server reappears and reconnect successfully it seems that TCP keepalive, connection timeout is ...
2
votes
0answers
21 views

Change volume % that changes every time I decrease it from keyboard

So basically from what I found out from amixer, every time I press fn and the arrows of the keyboard to change the volume, the % of volume changing is 6%. I would like to make that 1%. How can this be ...
0
votes
0answers
8 views

trying to tether android lollipop to linux mint 17.1 cinnamon using usb

i keep getting this error after installing "mtp-tools": No such interface 'org.gtk.vfs.Mount' on object at path /org/gtk/vfs/mount/1 already checked for extra mtp programs, semi new to linux. ...
0
votes
2answers
799 views

what is the right ldapsearch version for my linux red-hat machine

I am little a confused about the following: I want to install the binary ldapsearch tool on my Linux machine, in order to use this tool to test LDAP connections with my Linux (Linux version 5.8 , ...
1
vote
1answer
28 views

Restoring file system using tar causes login loop

Note: I am doing this to learn more about linux. I understand there are other tools that can be used with simple interfaces. Note: I am using Fedora 23. I have it installed physically on an SSD and ...
6
votes
1answer
4k views

How do I setup more then 10 loopback device?

From this answer the solution is to modprobe loop max_loop=64 Which makes me allowed to use 64 loopback devices then mknod -m 660 /dev/loop8 b 7 8 To create the devices. I did this for 8, 9, 10 ...
3
votes
1answer
3k views

Resetting password in Linux Mint when disk is encrypted

I have a system (VM, actually) with Linux Mint 15 on it. The disk is encrypted, but I remember that password -- just not the password for my account. I've tried changing the command in GRUB from ro ...
0
votes
1answer
22 views

Suspicious traffic in nethogs on fresh install

Earlier today google said that unusual traffic was emanating from my computer and gave me a captcha. I got curious and installed nethogs. Everything appears normal except for an unknown program ...
1
vote
0answers
12 views

xcalib not saving brightness settings and other issues

I have certain issues which I'll list below, I hope you can help me: 1.) I have xcalib installed, I use it to manually change my contrast settings (something not possible in ubuntu directly, at least ...
1
vote
1answer
24 views

User Permissions problem in CentOS 7: “Permission denied”

I thought that I knew how to set up permissions in Linux. I apparently don't. I have a user called "web3". This user was automatically created by ISPConfig (A server management application like ...
4
votes
1answer
584 views

Configuring SELINUX to allow logging to a file that's outside /var/log

I have a daemon that uses syslog(3) to log to a file that is not a descendant of /var/log. Currently, this requires that SELINUX be disabled. How can I configure an enabled SELINUX to allow this ...
-2
votes
1answer
27 views

How to view an specified user's pemissions in linux? [on hold]

can anyone please suggest me how to find out the permissions of a specified user in linux? I'm getting the information regarding the files/groups etc. But I need specific users permissions ...
6
votes
4answers
10k views

What is sendmail referring to here?

When I install sendmail from the debian repos, I get the following output: Disabling HOST statistics file(/var/lib/sendmail/host_status). Creating /etc/mail/sendmail.cf... Creating ...
2
votes
3answers
5k views

Parallelise rsync using GNU Parallel

I have been using a rsync script to synchronize data at one host with the data at another host. The data has numerous small-sized files that contribute to almost 1.2TB. In order to sync those files, ...
0
votes
1answer
16 views

How to use puppet to format a partition with a file system

With a filesystem such as ext4 or xfs. But how can we make sure it doesn't do it again and again on each run. I want it to do just on the First Run
3
votes
5answers
308 views

Increment index in file

Alright, it seems I cannot find a way to do what I need. Let's say I have a text file A like this (freqBiasL2[27]) (SatBiasL1[27]) (defSatBiasL2_L1[27]) (defSatBiasSlope[27]) ...
-4
votes
0answers
34 views

Oracle VM only gives me a local IP address (127.0.0.1) [on hold]

I am seriously struggling with this. My Oracle VM does not allow me any other IP address except the local one, 127.0.0.1. How can I get a proper IP address as well?
0
votes
0answers
35 views

Send command to open process in Shell file

In bash how can I issue a command to a running process I just started? For example; # Start Bluez gatttool then Connect to bluetooth device gatttool -b $MAC -I connect # send 'connect' to the ...
0
votes
4answers
2k views

Installed Linux, now Windows doesn't boot anymore

I had a working Windows 8.1 which I used regularly. Today I needed Linux, so I chose Ubuntu and installed it from a bootable flash drive alongside Windows. Everything worked well, I could choose which ...
-3
votes
0answers
26 views

Modifing RM & LS [on hold]

I am new in Linux, is there a way to do the following: Modifying RM command so that a file in a specific folder are not deleted (means making deception) Then Modified LS in such a way that it doesn't ...
1
vote
1answer
17 views

Why does `hostname.local` resolution fail

I have a number of Linux machines, all with avahi running and a few Macs, all on the same local network. I often use ssh between pairs of machines, using hostname.local as the address. Most times ...
1
vote
1answer
63 views

What to do if the owner of /usr/bin/* changes to a non-root?

It would be the right thing to say that I messed up! Accidentally, I changed the owner of all files in /usr/bin to 'dev' from 'root'. Now, sudo does not work! If I use sudo with any command, I get - ...
1
vote
1answer
14 views

Best NFS scenario to both read and write at certain times?

The problem that I'm facing is that I have an NFS NAS that I use to store and export a home directory, media files like music, movies, etc. The critical things are backed up, so spare the comments ...
0
votes
0answers
129 views

KVM network packet loss to guest

I am running a server with Debian 8.3, uname output Linux x 3.16.0-4-amd64 #1 SMP Debian 3.16.7-ckt20-1+deb8u3 (2016-01-17) x86_64 GNU/Linux I am using KVM to run a virtual machine with CentOS ...
7
votes
3answers
848 views

Font getting reset in virtual console on GNU/Linux

I have set a custom font on my virtual console (vt1) using the following command: shell> setfont ter-114f If I switch to X (using Ctrl+Alt+F7) and come back to the virtual console (using ...
1
vote
6answers
826 views

I can not install MySQL using yum on Centos7

I've installed centos7 recently, but, when I am trying to install MySQL using the command: yum install mysql-community-server I keep getting Exiting on user cancel while I am not hitting any ...
2
votes
3answers
25k views

Linux, how to change HDD state from ReadOnly after temporarly crash?

At this time no ansver for this problem. Usually after some problems with readings or writings to block device, kernel decides to switch flag for WHOLE DEVICE as read-only. After this any writings to ...
2
votes
1answer
31 views

Forwarding X-windows through a su - session

I'm trying to forward my X windows, but seems to be limited to just on session? What I'm trying to do is invoke x-applications as another user, through a sudo su -. If I know the other user's ...
2
votes
0answers
40 views

How do Linux kernel modules get enabled in a Linux distro's kernel package?

Although I know how to recompile my kernel to enable a module I want, I'm curious to know how the default Linux kernel modules are chosen in a Linux distribution's kernel package. Taking a comparison ...
15
votes
5answers
14k views

How to recover a shell after a disconnection

Am doing some work on a remote CentOS 5.6 machine and my network keeps dropping. Is there a way that I can recover my hung sessions after I reconnect? EDIT: am doing some updating and installing with ...
0
votes
0answers
19 views

Automount USB sticks on fedora 22

I need to automount any USB stick that gets connect to any USB port. I am running Fedora 22. I thought this would be straightforward but it is taking a while for me to set up. The tutorial I find when ...
3
votes
4answers
817 views

Active Directory Domain with SAMBA or Other Tool

Can I create a domain using SAMBA and set up Active Directory with SAMBA on it? And by this I mean no windows servers involved. I would also like to be able to log in from a Windows machine. ...
0
votes
0answers
15 views

Strange PFN read from pagemap

I m trying to find the physical page to which a range of virtual addresses are mapped in a piece of C code that I ve written. I m using the /proc/self/pagemap to read the mapping. I ve used the code ...
1
vote
1answer
910 views

D3100 Dell docking station

So I got my Fedora 22 as I finally decided to switch from Fedora 20 ( been using it forever, found it kinda hard to detach ) The problem is that I bought my new docking station for multiple monitors ...
4
votes
2answers
317 views

How do I print the (numerical) ASCII values of each character in a file?

How can I print the numerical ASCII values of each character in a text file. Like cat, but showing the ASCII values only... (hex or decimal is fine). Example output for a file containing the word ...
2
votes
1answer
61 views

Switch off 11-minute kernel mode

If ntpd works, then the kernel copies system time to hardware clock every 11 minutes. It is shown by command adjtimex --print I want to stop the kernel eleven mode. If I run hwclock ...
1
vote
1answer
30 views

how do I add a second ipv6 address on Linux without making it default

I would like to add an extra IPv6 address so I can run a service on it but I want to retain the existing IPv6 address as the address to use for outgoing connections. When I add an ipv4 address with ...
45
votes
3answers
16k views

What is the difference between procfs and sysfs?

What is the difference between procfs and sysfs? Why are they made as file systems? As I understand it, proc is just something to store the immediate info regarding the processes running in the ...
0
votes
1answer
330 views

Tmux: <Crtl>-b doesn't work

Every time I start tmux and then press Ctrl+b, the terminal prints ^B. I am using Windows to connect to Raspberry Pi. I have tried Putty and Bitvise. EDIT: finally I found a imperfect solution. # ...
0
votes
1answer
14 views

Install compat-libstdc++-33.i686 on Red Hat Enterprise Linux Server release 6.5 (Santiago)

I need to install compat-libstdc++-33.i686 on a Red Hat Enterprise Linux Server release 6.5 (Santiago) without a Red Hat Network Subscription. Is there some where that I can download the required .rpm ...
2
votes
1answer
24 views

Two nfs exports from different servers mounted on the same mount point

Recently found these lines on my test server: <some IPV4>:/zebra on /zebra type nfs ...
1
vote
2answers
759 views

bash scripting : using expect

I am facing an issue when I run simply these commands. The remote server want to pass "yes" to add the key in RSA file because first time connection established with scp. commands are given below ...
0
votes
0answers
7 views

Left-clicks not working for any device in openSUSE Tumbleweed

Okay, so I really am at wit's end here. I had this problem where my left click stopped working randomly. It had happened once before, but I thought it was a non-issue, as the problem manifested when I ...
1
vote
2answers
31 views

Using DD Disk Image on Red Hat

How can I use dd command on a Linux Red Hat Server 5 to obtain a disk image and then use it eventually in Virtual Box?
0
votes
1answer
30 views

FFMpeg : Creating a video clip of approx. 10 seconds when video duration is unknown without audio-

I am working on a project where I am looking to extract a video clip from an input video. I have found many links(Eg : link) which do this task, but in all this I have to specify video duration. ...
2
votes
1answer
831 views

azap from LinuxTV dvb-apps strange signal behavior with Hauppauge WinTV-HVR 950Q

What I want to do I have a Hauppauge WinTV-HVR 950Q USB-TV-Stick. I want to use this stick to successively tune to and read in a certain live TV stream. What I do I trigger a scan and save the scan ...