Questions specifically about Linux but not specific to a particular distribution. If the question could apply to any Unix-like system, specify your Linux distribution in the body of your question but do not use the /linux tag.

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1answer
19 views

Why shouldn't we edit grub.cfg for grub2

If you cat /boot/grub2/grub.cfg, you get the big block of text telling you DO NOT MANUALLY EDIT THIS FILE, indicating that you should instead edit files in /etc/default/ instead and then run ...
0
votes
0answers
8 views

Is there a tool to check Windows MSI's Digital Signatures Hash for Linux?

I would like to automate the signature check for MSI's in a linux box, is there a tool that can help me achieve this?
1
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1answer
43 views

Clone Linux fedora using Clonezilla

Actually this is the first time for me with Clonezilla, and I`m not system administrator. I have on my machine (Win7 & Fedora22 workstation). Fedora each time run shows to me partition size ...
0
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0answers
23 views

Scheduler for a system call in linux to execute some event

I am thinking about a use case. I want a script that will start up my Linux system, open a particular website and then shut down automatically. Is it possible to create a scheduler for my system? As ...
0
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0answers
15 views

CentOS 7 grub option is missing after upgrading windows 8 to 10

My system was dual booted with CentOS 7 and Windows 8. After I reinstalled the latest Windows 10 Pro and removed windows 8, my system is only booting with Windows 10 as the Grub2 is not appearing at ...
0
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1answer
12 views

How do I find an application that's already installed on Knoppix?

I have created a bootable USB drive with Knoppix. It works fine, but I was specifically looking for chntpw and a tool to wipe a HDD. This question is about where to find a package (chntpw) that ...
1
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2answers
48 views

How to “track” newly created processes?

I know that with ps I can see the list or tree of the current processes running in the system. But what I want to achieve is to "follow" the new processes that are created when using the computer. As ...
2
votes
0answers
29 views

avahi-daemon withdraws IP address from my network interface

I am running an Arch Linux server in my local network. It has avahi-daemon running on it to advertise some services (like a print server). It has happened for the second time now that my server was ...
0
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0answers
13 views

Exiting GUI Linux Mint

I need to install nVidia driver in Mint 17.3 Cinnamon. I tried Crtl+Alt+F1, but the only thing I get on screen is black screen. I've installed Mint on external HDD (USB3, SATA2, 5400 rpm). Is this a ...
2
votes
1answer
29 views

Taking and restoring an image of partition with dd

I created a new partition on my server /dev/sda4 with a filesystem based on ext3. I mounted the new partition /dev/sda4 on /mnt/sda4/ and created an image with dd of the partition /dev/sda3. sda3 is ...
1
vote
1answer
12 views

Can't set correct permissions on share mapping

Im trying to setup a samba share. I want the share to have access rights rwxrwsrws so that everyone can red and write to it. The folder shared on the server where the share resides is sat by chmod ...
-2
votes
0answers
11 views

Memory allocation [closed]

you will implement a memory allocator for the heap of a user-level process. You will build your own version of malloc() and free(). Memory allocators have two distinct tasks. First, the memory ...
0
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0answers
4 views

lsusb can't detect pickit2

I have installed Arch Linux (i686) every thins works fine but when I try ti plug the PicKit2 (Programmer for PIC MCUs) and run lsusb it doesn't shown in the list I tryed it on Win7 machine and works ...
0
votes
0answers
21 views

forever stop not working in shell script [closed]

I have a server in node.js that I must restart every 1 hour. So I created a server.sh file and put this: forever stopall forever start /var/www/server/server.js I tried this as well forever stop ...
0
votes
1answer
22 views

Open Unix/Linux Server via web browser? [closed]

I want to open my Unix/Linux Server via web browser, then it should automatically redirect to putty session Just a fake GUI to make user fool. Any help would be great. Thanks !
2
votes
4answers
32 views

How can I get relative date based on relative date by linux date command?

Can I get "last monday based on 10 minutes ago" by linux date command ? For example current time: 2016-02-09 00:05:00 expected result: 2016-02-01 00:00:00
0
votes
1answer
24 views

Error starting Eclipse on Centos 6 (JVM terminated. Exit code=13)

After extract eclipse-jee-mars-1-linux-gtk.tar.gz and running eclipse I am getting following error. I have installed Oracle JDK. What would be the error and solution ? Java version [root@hithertech ...
1
vote
1answer
14 views

QCad successfully installed but will not launch

I installed QCad on Crunchbang Linux, Waldorf using synaptic. Now when I check in terminal, it is installed $ sudo apt-get install qcad Reading package lists... Done Building dependency tree ...
0
votes
2answers
35 views

Where does the find command look first if there are directories with the same name?

Suppose I have two different directories with the same folder names: /usr/myDir/ and /home/myDir/ If I run a command such as: cd $(find / -type d -name myDir) it navigates to /usr/myDir. Why is ...
0
votes
0answers
21 views

Linux firmware issues between kernel versions?

I'm running kernel 3.13 with r8169 driver. I rebooted (not shutdown) into a 3.19 kernel with r8169. My network stopped working. I powered off my system with shutdown, waited 60 sec, and flipped the ...
0
votes
2answers
101 views

Why does the cd command handle STDIN different than other commands?

Commands like cd cannot have output piped to them in order to change directories--they require command-line arguments. Why does the cd command (and those similar to it, such as mv, cp, & rm) not ...
0
votes
1answer
25 views

$PATH variable for CRON in OpenSuse

I have a script written which works perfect on terminal however gives error when called through crontab. It took me a while that the problem is with the cron environment not my script. so I tried ...
0
votes
1answer
27 views

I have no local IP on my CentOS 7.1 dedicated server

problem I've installed net tools and whenever I run ifconfig -a I come up with 2 network interfaces. Here is an example. [root@81756 /]# ifconfig -a eno1: ...
2
votes
2answers
50 views

USB flash drive formatted as “Linux Live CD” keeps the CD-ROM name after re-partitioning

I have an USB flash drive that I formerly used as installation medium for Linux Fedora. The stick still has the "Fedora Live USB" installation files on it. When I insert it into my olde laptoppe, it ...
0
votes
1answer
22 views

How do I setup MAC spoofing in Fedora?

I would like to setup MAC spoofing in Fedora, similar do what Tails does to their Debian. Any idea how? Thanks
0
votes
1answer
32 views

Why does my nfs mount always changes to be owned by root after mounting?

I have a mount point for my nfs share: drwxrwxrwx 2 patryk patryk 4.0K Feb 4 16:23 nfs_share after I mount it I get $ sudo mount -t nfs 10.9.XXX.XXX:/root/src /home/patryk/nfs_share -o ...
0
votes
0answers
30 views

Service in RHEL server stops working after a while

I have a RHEL 6 server running with several services (I mean, I have made the server scripts and the programs they run). I have a problem with two of them. I will try to explain the problem and then ...
-1
votes
1answer
21 views

Statistics of System usage time (time of day, day of week)

I once found a tool that printed a huge amount of statistics about the time of day and day of week of computer usage when invoked. Unfortunately I don't remember the name neither did Google reveal it ...
0
votes
1answer
18 views

Do ZFS zvols on Linux use the arc cache ?

Is the ZFS arc cache used when doing an open() on a zvol device, or only when accessing ZFS datasets ?
1
vote
0answers
14 views

disable USB on lockscreen [closed]

Hi we are hoping to do a research on how to block USB devices on lock screen in Linux GNOME environment. Any ideas on how to get started would be greatly appreciated. Any tutorials, links or basically ...
0
votes
0answers
8 views

sqoop from MS SQL 2000

I have this sqoop problem with MS SQL server 2000 on my Cloudera setup, I tried to use jtds 1.3.1 to list the database it gave me the following error, not sure if anyone has experienced before: ...
1
vote
1answer
36 views

Linux + capture only the IP's from mount command

please advise how I can to print only the list of the IP's ( in the end of the lines ) , from mount output mount netapp64:/lunggg/OracleTeam/OracleCDs on /oracds type nfs ...
0
votes
3answers
45 views

How to change the Home directory of the currently logged In user

I am currently logged in into a CentOS server and I would like to change my home directory from /home/myuserName/ to /var/www/html/ I tried the below command : > sudo usermod -d /var/www/html ...
2
votes
1answer
55 views

Something confusing about “su -” and “su” [duplicate]

I am studying the Linux command line. But the book which I'm reading says that su -l(-) username is starting a new shell session and loading the environment of the user I want to change to, but su ...
-1
votes
0answers
17 views

what are High level , mid level and low level driver? [closed]

How can we decide whether the application is suitable for high level, low level and mid level driver ? which one we used to prefer while developing any applications.
0
votes
0answers
27 views

Virtual CPU utilization(multi core CPU)- Identify the process

I am in a road block and trying to understand the below. Red hat Linux has been installed in a Intel Xeon CPU. We have a 6 core virtual CPU's. I am trying to find out which job is consuming more of ...
0
votes
0answers
18 views

Null device handler and serial number is 0

I am working with a camera that connects via usb. When connecting the device, dmesg shows the serial number as 0 and when I try to run code to take an image, I get a Null handler error. I figure the ...
1
vote
0answers
11 views

Polling for a Bluetooth Button Push

I have a bluetooth button that I have successfully paired several times with various raspberry pi's and linux boxes. The button works as a unique doorbell and various other applications, but I have ...
0
votes
1answer
28 views

as small as possible linux for virtual machine with firefox 37 and up [closed]

I have unused machine with Intel T5500 (2cores), 2GB RAM. Now need to pick as small as possible linux distro for running as virtual machine. I just need to save as much CPU as possible and be able to ...
0
votes
1answer
16 views

Booting CentOS from live usb on OSX El Capitan

I have been trying to set up a live usb to use to study for the RHCSA/RHCE certification. CentOS launches and gives me the launch page I choose the standard option, I have not tried text mode etc. ...
2
votes
1answer
35 views

Dell R710 OS install

I just bought a couple Dell R710s on Ebay for a home lab and want to install Debian as the main OS. Im new to dealing with server administration aside from Development stuff. I am wondering on where ...
3
votes
1answer
30 views

Shutdown with keyboard press doesn't work

I have a Debian Jessie build, and I want to add keyboard shutdown. I've tried the following, without any success: Attempt 1 To /etc/inittab I added ca:12345:ctrlaltdel:/sbin/shutdown -t1 -a -r now ...
0
votes
0answers
8 views

Stracing a kernel shut down?

I'm on Linux 4.2.0, the Ubuntu Wily HWE kernel for Ubuntu 14.04 (which is what I'm running). There's a nasty bug on MacBook 11,4 and 11,5 models where the laptops won't actually ever shut off, they ...
2
votes
2answers
196 views

High memory usage but no process is using it

I run free -m on a debian VM running on Hyper-V: total used free shared buffers cached Mem: 10017 9475 541 147 34 909 ...
0
votes
0answers
7 views

Pipe output of netcat -k as soon as something is received [duplicate]

I have a nc command that's supposed to save anything received to a file immediately, yet it only dumps everything once I kill the parent process: nc -kl 9876 > log.txt How can I fix that?
0
votes
1answer
15 views

Does 'reloading' a server reset dns/email settings

I have a client with web hosting on a Linux VPS. Unfortunately, I know very little about VPS hosting and am having a hard time finding information on how to set up email and DNS records. So the best ...
0
votes
1answer
37 views

File does exist but won't execute [duplicate]

I have a file that does exist but won't execute. It says : "No such file or directory". This file is created by a script while creating a "custom toolchain" to compile native libraries for Android ...
2
votes
0answers
19 views

Screen locks up until after resume

I've a Dell XPS 13 (9350) running Debian Stretch. I have not yet replaced the Broadcom wireless until, or upgraded to a 4.4 kernel with support for it, but expect to do so in the future. After I ...
-2
votes
0answers
12 views

Install Windows 8 on kali linux in dual boot [closed]

I accidentally removed all of my data in the hdd while cleaning the garbage partitions in my windows os. I had Ubuntu in my PC too (dual boot). I cleaned it all up! Now I am not able to use the ...
1
vote
2answers
42 views

How to install Kali Linux on a usb flashdrive [closed]

I was wondering is there any way to install Kali Linux on a usb drive instead of my SSD. I have a 32GB flash drive that I want to use instead of an SSD partition. The reason for this is that i want to ...