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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Network access belaviour problem

I have Debian Wheezy 64 bit installed on my PC. The problem is that in some situations I can only ping localhost and 127.0.0.1 and don't have access to outside world. And in other cases I can ping ...
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0answers
2 views

How to passively capture from Unix domain sockets (AF_UNIX socket monitoring)?

TCP/IP and UDP captures can be made using tcpdump/dumpcap and produces a pcap/pcapng file which can be fed to Wireshark for further analysis. Does a similar tool exist for named Unix domain sockets? ...
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0answers
8 views

Arch bootlouder on usb and luck with keyfile on usb

I want to, Put the bootlouder of my arch linux system in usb. Make the partitions encrypted with looks and automatic open with key file on another usb. How do I do this?
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2answers
25 views

How to forcibly update a file if left unchanged after 55 minutes?

I need a log file to be updated if it has been left unchanged during 55 minutes. For example, say it is now 19:00 and IOstatDisk2.log hasn't changed since 18:00: solaris1a:/var/tmp ROOT # ls -ltr ...
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0answers
8 views

Unable to boot Linux Mint due to Wi-Fi adapter

I have a Lenovo Flex 2 14D notebook with AMD A8 processor and factory installed Win 8.1 OS. Recently I dual-booted it with Linux Mint 17.1 Cinnamon. However the boot fails all the time. I ...
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0answers
8 views

nmon logging, rotation, and storing to database

There's two parts to this post. Capture & Logging I'd like to automatically capture nmon data every 5 minutes for 24 hours and then rotate the file. I'd assume I would need to run the command ...
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0answers
16 views

Oracle Linux 7 Network Manager

I have Oracle Linux 7 and would like to create a server with a static IP address. Then I would like to create it as a template with vCenter and clone it to make a cluster of virtual machines, each ...
1
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1answer
28 views

Repositories of Linux Mint, Ubuntu, Debian

This was bugging me for really long time, but I was quite ashamed to ask, as this looks like most basic question about Linux. Linux Mint builds on top of Ubuntu and Ubuntu on top of Debian (I know ...
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0answers
8 views

How to handle a key which is not detected by ACPI [duplicate]

I have the Asus R556LB laptop. Some functional keys (e.g. the ones for brightness regulation) did not work out of the box, so I visited this page. Unfortunately, the keys I wanted to work are not ...
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0answers
15 views

Linux Device Drivers 4th edition [on hold]

There is an information that Linux Device Drivers 4th edition is available for preorder. However, I've failed to find table of contents or any specific information. Does anybody know will open ...
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0answers
19 views

IPC or command line? [migrated]

I'm creating a nodejs program that need to use some unix command. I have two choices either execute them using exec('command ...') which just execute the command with the given arguments. Or through ...
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0answers
19 views

Installing a bootloader on a mac

Due to a somewhat odd requirement for a particular linux installation, with a particular software suite, I found it best to use ddrescue to populate the harddrive with the partitions and their data. ...
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0answers
16 views

Linux Mint 17.2 installation

I'd like to install Linux Mint 17.2 Rafaela (the newest) alongside with Windows 10 on a partition size of 100GB. Could someone tell me exactly how to create installation partitions for Linux( I mean ...
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0answers
15 views

How can writing speed equal to reading's over nbd and ram disk

My testing is under two nodes whose communication is over nbd,and each node uses ram disk as local storage.The result is that reading speed can reach the bandwidth 6GB/s,while writing speed is only ...
1
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2answers
28 views

Disable laptop keyboard to only use USB keyboard

I need to disable my laptop's keyboard so that keyboard can only be used via USB. I am not using X, I am on the Linux console. The solution should be able to start as early in the boot process as ...
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0answers
13 views

No wireless interface detected in Linux - Odroid

I can see the wifi on my Linux but no wireless interface is detected with iwconfig. I don't understand why. Has someone already met this problem ? root@odroid:/home/odroid# iwconfig wlan0 no ...
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0answers
23 views

Recording shell output for interactive commands

While looking into a shell redirection problem, I found a couple of answers that pointed me to the script command. As I understand it, script just records in- and output of the terminal, and allows me ...
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1answer
17 views

Copying files from a VFAT32 formatted disk into Linux

I was curios to know what happens when I copy files from a VFAT32 formatted disk ( formatted under Windows system ) into the Linux system. Does the files which are copied in the linux system ...
1
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1answer
36 views

What is Linux native debugging symbols format?

GCC documentation says that the -g option produces debugging information in the operating system's native format (stabs, COFF, XCOFF, or DWARF 2). So, what is Linux native debugging symbols format? ...
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1answer
11 views

FTP not happening on RHEL 6 Server configured using a Vm Player 11

I am not able to ftp to the server server from a client. I am using my base machine as Ubuntu 14.04 . Below is the ifconfig output:- raghav@raghav-HP-15-Notebook-PC:~$ ifconfig eth0 Link ...
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1answer
19 views

How to format 720k FAT (ie: MS-DOS) floppy on Linux using USB floppy drive

I have a USB 3.5" floppy drive connected to my Linux box. I've verified that it is /dev/sdh on my Linux box, and I can read Linux-formatted floppies from it. (I had an old ext2 floppy lying around.) ...
1
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0answers
12 views

Help me to find my speakers and headphone paths (name of PCM device)

I am really confused trying to get my speakers and headphone device PCM names like a "hw:x,x" or something like that; cat /proc/asound/devices 2: [ 0] : control 3: [ 0- 0]: digital audio ...
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0answers
19 views

Anyone get diablo lod to work yet/' [on hold]

looking for friendly answer on how run d2 on my linux chrombeook acer intel, and of course my mac. any generous answers will be will met.
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1answer
27 views

Runnig python script, error appears

https://github.com/g-oikonomou/sensniff/blob/master/host/sensniff.py The link above refers to a python script that is to be ran on Ubuntu. When I run the script, the following error appears on the ...
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1answer
37 views

Create authentication when someone acces httpd in centOs

I have CentOs 6.6, What I want is: When someone access the var/www/html on his browser, I want a authentication bar to pop up and fill in his username and password. this is because I want httpd over ...
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0answers
35 views

Unix Signal - Run the other commands when the process is being kill [on hold]

Im having some problems running some commands after the process is being kill by the application. In my application I'm stopping the server and the process is being kill. At first I thought the nohup ...
1
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1answer
18 views

Encrypt existing disk with LUKS?

I have get informed on how prepare a LUKS system & partitions, giving a key/passphrase, etc. But for a new fresh install of linux. How to encrypt an already installed/configured linux system ? ...
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0answers
49 views

Preparation for Linux interview [on hold]

This is not an usual question but I have a very important technical interview for a higher level Linux support in 3 days. On this job I will have to install and offer support for SAP servers and I ...
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4answers
55 views

One column into two

I have a file that is one column, and I need to split it into two. Have tried column command and doesn't seem to work: 123-zyx 234-yxw 345-xwv 456-wvu 567-vut 678-uts
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0answers
11 views

Chroot Users to /opt and subdirectories [duplicate]

I'll make this short and hopefully I make sense. Im trying to give a user ssh access, but, he/she must only be able to access /opt and the few subdirectories that live under it. However, here's ...
1
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1answer
40 views

grep also returning non matching lines

I'm trying to grep the output of strings and only find lines that start with a certain number of = chars. I tried strings data.txt | grep ^=* Sample output: 1~{, WX2 };K,< ========== ...
1
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1answer
19 views

How to deny access for virtual directories in .htaccess for all IP, and accep for 1 IP?

When you need to deny access to folder for all IP you should to put .htaccess in this folder, which must contein: Order Deny,Allow Deny from all Allow from 1.1.1.1 You can do it in virtual hosts ...
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2answers
35 views

The Deny the permission of mounting any drives to a user

I'm using Linux Mint 17.2 Cinnamon. There are multiple partitions on /dev/sda. /dev/sda1 is where the system resides, /dev/sda2, ..., /dev/sdaX are NTFS partitions. There are two users admin and ...
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5answers
70 views

bash expanding to same value instead of line by line value in sed command

I have a file containing numbers in it say numbers.txt as follows. 9374541632553 51243747879841 32030098896914 84654557358238 11000656847765 I want to convert it to the following format. ...
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0answers
11 views

gnome 3.x - how to make static workspaces and use numpad for navigating them

I have decided to try out gnome 3.x for a while, as I have been using unity for the most part. But I have become accustomed to the 2d grid workspaces in unity, and I can only think of one way I can ...
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2answers
54 views

how to go mouseless [on hold]

I would like to improve my efficiency. I recall seeing some tool to use gui applications on linux with the keyboard, but I do not recall much else about it! Please advise how I can go mouseless(for ...
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0answers
10 views

Installation guide for IBM Lotus notes 9.0 [on hold]

can someone help me in installing IBM Lotus notes 9.0.
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0answers
12 views

nvclock segfault with CRC mismatch

When trying to load nvclock_gtk it terminates with a segmentation fault. Reading symbols from /lib64/ld-linux-x86-64.so.2...warning: the debug information found in "/lib64/ld-2.19.so" does not match ...
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3answers
65 views

8G RAM and SSD - how big should the swap be?

I have a computer with 8G RAM and a 128G SSD. I don't plan hibernating. What swap size would you recommend? Would you change any swappiness? In the nearest future I'll compile programs (or even ...
3
votes
2answers
49 views

Physical Address Extension - how do virtual addresses work?

I'm running Debian Linux. uname -m says i686 which means 32-bit architecture machine with pae flag enabled. getconf LONG_BIT is 32. Installed RAM capacity is 6GB. My /proc/cpuinfo has an entry ...
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1answer
31 views

eth0: supported ports

I am having a board with RTL8111/8168B PCI Express Gigabit Ethernet controller, which requires r8169 kernel module to work. After inserting this module, network get started by eth0. Now, due to old ...
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1answer
42 views

Unable to install new kernel in ubuntu server. “gzip: stdout: No space left on device” error even though abundant disk space

I am trying to install a new kernel on Ubuntu Server and I am unable to complete it due to a "gzip: stdout: no space left on device" error. The full error was produced after running sudo make ...
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0answers
12 views

What permissions apply if specific user's permission on file or directory differ from user's group to which this user belong to in Linux? [duplicate]

Case 1: User has "rwx" permissions to certain file or directory. But has no permissions "---" in group it belongs to. Question: who wins - Does user have "rwx" or "---", effectively (not what's ...
1
vote
1answer
36 views

How can I replace the stock driver module inside a Linux ISO?

In particular, I want to replace the stock network drivers (r8169) with something else (r8168) in the installation ISO. Is this possible? Currently, I have to install Ubuntu/Debian/CentOS (same ...
0
votes
1answer
24 views

How to rotate log files [on hold]

i have made a script to zip my log file but by mistake both file is there in directory original and zipped. so is there any command can be used so that i can remove the original file only in one ...
2
votes
1answer
15 views

Taking a clone of a customized RHEL server hosted in a data center remotely

We are planning to upgrade OS to RHEL 6.6 on all our servers. All our servers are located in a data center. We have to follow a repeated process of installing application stack, securing, hardening ...
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1answer
27 views

How to do doxygen documentation?

My boss told me do documentation in doxygen and i am new to it. i did google and found you can do codes documentation in doxygen, but what about Details and text documentation which doesn't has codes. ...
2
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2answers
40 views

How to defend against a Live USB computer hack

A Linux installation can be simply hacked by using a live USB/CD, gaining root access on the live distro, chrooting to the target filesystem and running passwd root. One can use grub too. There may be ...
0
votes
1answer
18 views

Linux Mint on USB - mtab is a folder, not a file

I just installed Linux Mint Maya (13.2) onto a USB stick with uNetbootin (http://sourceforge.net/projects/unetbootin/). The install seems to work ok, and has a "persistence" partition which allows ...
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0answers
10 views

NVidia drivers and Linux distributions for Dell notebooks (Optimus techonoly)

I am trying to install NVidia drivers for CUDA in my Dell Notebook (Vostro V14T-5470-A50) with a NVida GTx 740M. My linux distribution is Ubuntu 14.04 LTS. The problem is that the screen freezes just ...