Questions specifically about Linux, as opposed to Unix-like systems in general, or to questions about a specific distribution or program.

learn more… | top users | synonyms

2
votes
0answers
38 views

Some commands fail when active display/vt is different from where they are running, How to fix/workaround that?

These applets are running on X at DISPLAY=:0 (fgconsole 7). NetworkApplet Related to nm-applet/NetworkManager run this command sleep 10;nmcli nm enable false;beep (you must be connected to the ...
3
votes
0answers
59 views

Replicate a complex partition structure with LUKS and LVM volumes

I have two external hard discs on an OpenSUSE 13.1 system. On one I have created a partition structure: An encrypted LVM partition (LUKS) Several volumes (10) on this LVM partition, some formatted ...
0
votes
0answers
14 views

How to mount GPT nfts partition

I get this with parted: root@rescue / # parted /dev/sda print Model: ATA ST3000DM001-1CH1 (scsi) Disk /dev/sda: 3001GB Sector size ...
1
vote
1answer
23 views

is asus Q87T motherboard compatible with Redhad Linux?

is ASUS Q87T motherboard compatible with RedHat Linux ?? I can't get answer both the two links below: http://www.asus.com/Motherboards/Q87T/specifications/ ...
0
votes
0answers
39 views

How to decrease the RAM and Cores for sometime

I have 9 VMs running Ubuntu 12.04.I am using resources from GENI ( Global engineering Network Infrastructure ) to set up topology and i reserved resources with the following configuration. RAM - 4GB ...
9
votes
2answers
463 views

Are there alternatives to using `udev`?

While I understand the greatness of udev and appreciate the developers' effort, I was simply wondering if there is an alternative to it. For instance, I might imagine there should be a way to make ...
0
votes
1answer
17 views

Arch linux net configuration Operation: No Such file or Directoy

I ma currently in the middle of installing arch linux on my old lenovo g560. This is my second attempt at installing arch-linux. My problems are when I am trying to enable the wireless service with ...
1
vote
2answers
59 views

How to do a grep on remote machine and print out the line which contains those words?

I have few logs files in my machineB under this directory /opt/ptd/Logs/ as shown below - My logs files are pretty big. david@machineB:/opt/ptd/Logs$ ls -lt -rw-r--r-- 1 david david 49651720 Oct 11 ...
0
votes
1answer
9 views

Veritus volume manager perl not avaliable

I am trying to install veritas volume manager on Centos 6.5 while running the script its throwing me Cannot find perl to execute
0
votes
0answers
33 views

How to configure teaming in RHEL 7?

I've used RedHat documentation to configure LACP on my server. Now I see "Connecting" on the Team just created: why "team0" is mentioned twice in the list? Why is it "Connecting", not "Connected? ...
1
vote
0answers
22 views

What accommodations must be made to boot an external HDD on multiple computers?

Is there a way to create a bootable external hard drive (like a persistent USB) that can be booted to multiple computers? I have built plenty of live USBs where this wasn't a problem, but when I ...
1
vote
0answers
29 views

chromium add a protocol handler

A lot of years ago I was using kde/konqueror and one nice feature was the ability to open man and info pages using man:// and info:// as url protocol, I never checked but guess man/info pages were ...
0
votes
1answer
41 views

What is the string “xxx@xxx:~$” in terminal called? [closed]

I don't know or I just forget what is xxx@xxx:~$ called in a terminal terminal? Is there name for it?
-2
votes
1answer
56 views

Why are there different types of linux distributions? What makes them unique, fundamentally? [closed]

They all use Linux kernel (lower layer). They all provide support for the same set of packages (higher layer), despite version differences. And even though their beliefs and "philosophy"s differ, what ...
1
vote
0answers
28 views

Desktop freezes after login

When I log into my DE, after about a minute or so, the desktop freezes. When I mean freezes, I mean all windows become unresponsive, as well as the panels and applications menu. This happens all ...
-1
votes
0answers
38 views

Disk is full in Linux [duplicate]

$ df -h Filesystem Size Used Avail Use% Mounted on /dev/mapper/vg_qq-lv_root 50G 50G 0 100% / tmpfs 923M 0 923M 0% /dev/shm ...
2
votes
2answers
59 views

How to parallelize dd?

I'm currently having trouble with dd invoked with a sparse file as input (if) and a file as output (of) with conv=sparse. dd seems to be using one core of the CPU (Intel(R) Core(TM) i7-3632QM CPU @ ...
0
votes
1answer
38 views

linux tool to create multiboot dvd?

I am searching for a linux tool to create a multiboot dvd. I found something about Sardu or Xboot, but these are Windows tools. Is there Linux software that can do the same? I have found unetbootin ...
0
votes
0answers
36 views

Delete a file in Linux irrespective of it being open [duplicate]

I am trying to delete files while archiving, using: rm -Rf /test/this/path/. but when I run this command I am getting this error: Device or resource busy This is due to the file being open ...
-2
votes
0answers
30 views

How to modify filesystem creation date in Redhat (LVM)

I want to change filesystem creation date in redhat linux
0
votes
2answers
21 views

Whose responsibility is to divide data into PEs or chunks?

When we create LVMs or the RAID partitions, the data we save in the parition is divided into PEs or the chunks respectively instead of the conventional blocks of ext3 or ext4. My doubt is whose ...
0
votes
1answer
19 views

won't the ever changing affinity assigned to threads by the Linux kernel have adverse effect on overall performance?

In my program, I have several threads that are started with the process and that remain until the program ends. They will meet different loads during the lifetime of the app, and at times they will ...
0
votes
1answer
98 views

Kali linux throws ' isolinux.bin missing or corrupt ' error

I downloaded Kali Linux from this link, I have a 32 bit OS, so I guessed ISO 32 Kali Linux is the suitable for me (they did not clarify in the website based on what we choose the type). Then, I ...
13
votes
3answers
186 views

How to force Linux kernel to “freeze” (or nearly freeze) for a few hundred milliseconds

We are running a real-time process on a non real-time kernel (CentOS 6), and this is probably not going to change. We have a streaming video application that requires about 500 MB/s of PCIe traffic ...
0
votes
0answers
16 views

How do you check if a variable equals text in C? [migrated]

How do I check if a variable equals some text? For example: If I inputted "Hi" with scanf, then how could I check if the "Hi" was something else inputted. I made a program but it has errors. The ...
1
vote
0answers
12 views

Setting the video output for the framebuffer device

I'm working with Broadcom's 97356 device, which contains an HDMI and an analog video output device. I'd like to be able to draw stuff to one of those two devices (or both at the same time!) using a ...
0
votes
1answer
56 views

service command does not work in centos 7

I used to use service command for restarting, reloading, and checking status of service on centos 6.5 like below: $ sudo service nginx restart OK $ sudo service nginx status ...
0
votes
0answers
8 views

A question in ip_append_data [migrated]

I am confused with ip_append_data in linux network protocol stack when I see those codes: if (!(rt->u.dst.dev->features&NETIF_F_SG)) { unsigned int off; off = ...
0
votes
2answers
50 views

ClamAV found virus, if I should delete this virus? [closed]

ClamAV has found two viruses on my server. Is this a virus? Should I delete it? /tmp/back: Perl.Shellbot-8 FOUND /var/tmp/back: Perl.Shellbot-8 FOUND
1
vote
0answers
13 views

How do I conserve the userns UID/GID mappings when archiving an LXC guest?

I'd like to archive an existing LXC container that has been configured to run as unprivileged LXC container (see this question). How can I conserve all the file system meta-data that is used to store ...
0
votes
1answer
29 views

munin is not showing all Ethernet ports

I have an Ubuntu 12.04 running on a VmWare ESXi. I'm trying to run munin on the Linux system to show the status of the system. But in the network tab of munin only eth0 is shown even though ifconfig ...
1
vote
1answer
34 views

How to keep the VNC service running after reboot (RHEL 6)?

I have installed the vncserver related package and am able to access the desktop through the client. But on restarting the Linux machine, I am loosing the VNC session and again I am supposed to run ...
0
votes
0answers
31 views

Missing macros for VSYSCALL in Linux 3.16.4

I am running Arch with kernel version 3.16.4. I need to compile a kernel module for running Intel Vtune '13 (r17). GCC reports the following: ...
0
votes
2answers
37 views

How to start teamspeak server on reboot as specific user

Linux version on the server is Centos 7.0. Teamspeak server runs with this command: ./opt/teamspeak3-server_linux-x86/ts3server_startscript.sh start My server doesn't have 100% uptime. Therefore, ...
-4
votes
1answer
54 views

Need to automate file transfer from linux server to windows shared folder

We need to transfer files from a Linux server to a Windows shared folder. we don't have any Samba server. Can you please explain a better way?
0
votes
1answer
18 views

Postfix or mutt changes subject string

I suspect that when I send a message to my postfix server with Re: in the beginning of the subject I get the following view in mutt: The first message containg Re: looks fine. But if I resend ...
2
votes
2answers
40 views

What is best and secure way to save application settings?

Let's say I have an application which has plugins, daemons, etc. Now It has to save its settings and plugins settings as well as too. Most of all applications use users home folder for it but it is ...
1
vote
1answer
33 views

View timestamp for CUPS print jobs

I'm looking for a way to view the timestamp of a job in CUPS. I've searched the man pages and can't seem to find it. The long term goal is to have a script that parses the time from the jobID and ...
0
votes
3answers
45 views

Change login user account when accessing server through Putty

I am a very new systems administrator. I have been hired in as a junior and came from a Windows administration back ground. I have about one month of Linux experience. I have a lot of resources that ...
-2
votes
3answers
49 views

Displaying time in 12 hour format in OpenBox? [closed]

I have a version of Linux which lacks the ability to adjust the time format in a GUI. I want it displayed in my panel in 12 hour format Can I do this in bash? I am using openbox and sparkylinux.
0
votes
0answers
26 views

Best approach to adding a kernel driver

I have a task to complete. An LED must be controlled immediately after the kernel loads and into the launch of a Debian system. It also must be controlled in user land. I already have basic LED ...
0
votes
0answers
11 views

replace menu key with capslock and capslock with left control using xkb

I followed the instruction here by defining my own xkbsymbols (Use setxkbmap to swap the Left Shift and Left Control) partial modifier_keys xkb_symbols "replace_Menu_Capslock" { replace key ...
0
votes
1answer
61 views

Can't mount SD card - Wrong filesystem

Just bought a SanDisk microSDHC 8Gb card and tried to change the file system to ntfs (used cfdisk thru terminal). Couldn't mount the device. Tried to change back to FAT32, but still can't mount. ...
1
vote
0answers
53 views

RHEL 6.1 yum hangs on “Updating Red Hat repositories.”

I just registered my RHEL 6.1 system using rhn_register. However, when I try to run any "yum" command, it gets stuck on "Updating Red Hat repositories" and never does anything. BTW I can run this ...
1
vote
1answer
59 views

Why can't I see my file in RAM?

In nano, I created a simple text file named 'blue_pink_red_orange_green' with the following contents: red blue orange green pink I then opened the file again and did: sudo strings /dev/mem | ...
0
votes
0answers
10 views

BSPWM on OpenSUSE 13.1

Okay so I want to install BSPWM on OpenSUSE 13.1, I have herd good things about the environment the fact it can be customized while still been a very effective text environment. Reason I want this is ...
1
vote
0answers
30 views

How to create the framebuffer file node?

I'm working with a limited embedded device - Linux environment - that uses a custom DirectFB implementation to draw a user interface in its video output. I would like to exchange this method by a raw ...
1
vote
0answers
14 views

File path in audit log instead of inode number

When I do: echo "#TEST" >> /etc/passwd I get the following in audit logging: node=kayak.office.local type=SYSCALL msg=audit(1412687666.054:62033): arch=c000003e syscall=2 success=yes ...
6
votes
1answer
48 views

Cleanup trap for ssh command on multiple remote hosts

I want to execute an arbitrary command on multiple remote hosts using ssh. These commands are mostly long running commands that monitor server resources and aggregate the output to my local ...
1
vote
4answers
111 views

How to find IP address of device connected on the same network as PC based on MAC id

A PC and embedded Linux device is connected on the same local network.(We don't have DHCP server access, IT admin has the access). We also don't have access to debug UART on the embedded Linux board. ...