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

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Samba DC - account is saved only with temponary file

I have problem with Samba AD. When i log in to account on Windows computer, account will not be saved. Please help me! smb.conf: [global] workgroup = miegl server string = Home server ...
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0answers
7 views

Executing Minecraft Server Commands via SSH and Screen

I'm extremely new to linux, so please help me out if you can! I have read many of the posts about managing/monitoring servers using SSH and Screen, but have not found anything regarding my particular ...
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0answers
4 views

Red Hat Enterprise Linux 6.5 remounts root filesystem read-only after hibernating

I have a Lenovo ThinkPad T430 running Red Hat Enterprise Linux 6.5, kernel 2.6.32-431.30.1.el6.x86_64, and my filesystem structure consists of a master LUKS partition holding two logical volumes, one ...
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0answers
4 views

Installing Slax 7.0.09

Halo,folks.How do i install Slax 7.0.9 on the same hard drive as my Windows XP.Isit possible.I already have partitioned the hard drive to ext.4 for linux using gparted.The hard drive also has a ...
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0answers
5 views

Ubuntu Linux 14.04 on Parallels Desktop 10, Mac OS X 10.10.2: Parallels and/or Ubuntu update broke Terminal (no command-line prompt) [on hold]

Apologies if reposts are not welcome; I just asked this question on "Ask Ubuntu" and was advised to post it here. I'm not clear on whether the problem is with Ubuntu or if it is more general, as I ...
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1answer
27 views

How to copy authorized_keys to another user on linux?

I can ssh into a Linux node on the cloud with root. I've created another user, web, and I want to add my ssh keys to that user. Here's what I've tried so far (as root): mkdir -p /home/web/.ssh cp ...
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0answers
9 views

Mount USB stick without partitions using udev rules

I need to have udev mount a USB device that has raw data, which appears like /dev/sdc, but in the same time if another stick has partitions I only need to have folders mounted only for those ...
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2answers
26 views

Modifying binary during execution

I often come across the situation when developing, where I am running a binary file, say a.out in the background as it does some lengthy job. While it's doing that, I make changes to the C code which ...
2
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3answers
46 views

Why does Linux use an Initial Ram Disk at boot?

I was wondering : What's the goal of using an initrd in the first part of the boot process and then use pivot_root to put the root on the real disk ? Why not only use what's on the disk ?
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6 views

Standard convention installation folder for GitEye on Linux and how to start it

I couldn't find an answer for this here already (maybe didn't know the right keywords to search for...) - my apologies if this kind of question have already been asked. What about be a "good ...
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0answers
13 views

How to install custom plugin on Google Ghrome Ubuntu 14.04

I have a problem while trying to install rutoken plugin for Google Chrome v. 40.0.2214.115 (64-bit) on Ubuntu 14.04. That's what I try: Download plugin from ...
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7 views

Learning about interface between Network and Running Daemons (PHP,MySQL) - for scaling

I am a PHP/MySQL/jQuery programmer and coder, not a hardware guy. My new job involves scaling a LAMP server. This is a question of "what are the terms I should even be searching for" as I need to ...
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0answers
7 views

sending NEDIT to background on launching

I have this problem - for opening nedit it will open in the foreground. Then either you open it using & ex- prompt> nedit & is there any way where I can open nedit directly in the ...
7
votes
3answers
233 views

How do I replace the last occurrence of a character in a string using sed?

How do I replace only the last occurrence of "-" in a string with a space using sed? For example: echo $MASTER_DISK_RELEASE swp-RedHat-Linux-OS-5.5.0.0-03 but I want to get the following output ( ...
2
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2answers
28 views

space check on unix machines

I am having space issues on 1 of the UNIX servers. I am executing the below command to check the space utilization. But this command is very slow and takes hours of time to give the result. du -sg * ...
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0answers
7 views

How to add adobe reader plugin in chrome linux

I have installed adobe acrobat reader in my linux machine(lite). How to acrobat reader to chrome. I tried in the chrome settings (extension->developer mode->load unpacked extension)but what file to ...
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0answers
5 views

Update Oracle Linux 5.5 to 5.8 with RDAC Driver

I need to update Oracle Linux 5.5 to 5.8, that's the easy part. The problem is that on the system it's mapped an IBM DS3k (DS3512) storage with RDAC. Actual configuration: OS: cat /etc/*-release ...
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0answers
11 views

FS on NFS share responding slow

We have two server ex name app1 and app2.Both server have a nfs mount from same server as below:- nfsserver:/prlocal 249G 190G 46G 81% /prlocal Now the problem is when we try to access the FS ...
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1answer
22 views

how to get list of all processes accessing a shared library [duplicate]

I know that ldd utility can list all libraries linked to a process but I want it the other way around. I want all processes linked to a library. I want to replace a shared library without crashing the ...
1
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0answers
26 views

How does the Linux kernel initialize console graphics?

Observation: I switch on a Linux box Boot loader displays its output on screen Boot starts with first output messages Screen goes blank, and never comes back on. Note: this is about the console, ...
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0answers
7 views

Xen ERROR Couldn't find xen kernel for Ubuntu tree

xen-4.2 running on server with multiple CentOS running guest, But when i am trying to install Ubuntu i got following error. How do i install Ubuntu on CentOS Xen Server? [root@example ~]# ...
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0answers
12 views

Replay pcap on local machine only

RHEL 6.5. I have a capture of UDP packets, generated this way: tcpdump -nnXs 0 -i eth1 udp port 26477 and dst 233.86.230.111 -w ITCH.pcap I've moved this file over to a dev VM, and want to replay ...
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2answers
40 views

How do daemons like apache or bind open ports below 1024?

I know that ports below 1024 are protected and can't be opened by a user without sufficient permission. However, I'm wondering how daemons such as bind or apache can do so, though they aren't running ...
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3answers
50 views

How to use password in shell scripting

I am writing a script which greps for for multiple files from 3 log files. One of the log file is created as superuser and every time it executes it prompts for password. How do I put it the same ...
0
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1answer
27 views

Restore sudo privileges

Trying to install tor-browser, I screwed up my sudo privileges when I tried to take ownership of a directory. Now I get a message: sudo: /usr/bin/sudo must be owned by uid 0 and have the setuid bit ...
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0answers
6 views

ufw firewall - how to only “allow” when I am going through a proxy

I am using a proxy to navigate on internet, and I am trying to setup a firewall that will only let me connect to internet via this proxy: if I forgot to turn on the proxy, that I should not be able ...
0
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1answer
17 views

Explain ipaddress assignment to the virtual box?

presently my subnet ipaddress starts with 192.168.0.XXX. now my quetion is I am using virtual box in that i installed ubuntu 14.04 can i assign the ipaddress of the node with diffrent ipaddress ...
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0answers
4 views

Difference between remastersys backup & remastered disk

I am new in Linux OS. I want to take backup of my machine. Now, I am at stage of taking backup but it asks me for below options Option 1] remastersys backup Option 2] remastersys disk I ...
2
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1answer
21 views

Mount my mtp in my android phone on a directory?

I have installed mtp-tools on my debian7.8. mtp-files can list all my files on android phone. How can I mount all my files on android phone on the directory /tmp/myphone? root@debian:/home/debian# ...
0
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0answers
13 views

Fedora 20 boot issues

I've tried installing Fedora 20 (minimal install, machine is old and only has ~1GB RAM), twice now on an old computer meant to act as a home server to SSH into. Both times, I will be able to log in ...
2
votes
0answers
23 views

Trouble calling syscall by name [migrated]

I am in process of adding system calls to linux Kernel 3.19. Tried out the following for adding a syscall 'add' for x86 arch in Ubuntu 14.04 LTS. src=3.19 source Added entry to ...
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0answers
19 views

Specifically what advantages does Kali Linux have other than preinstalled packages? [on hold]

I have been using Kali Linux increasingly over the last few months. I also have an Ubuntu system, and have found that there are many similar tutorials on how to install Kali tools on Ubuntu. However, ...
0
votes
1answer
21 views

Trying to make a Universal Makefile

I'm working on my own netfilter module for the first time. According to internet documentation, The simplest module contains the following C code: //'Hello World' kernel module, logs call to ...
0
votes
1answer
23 views

After installing Linux Mint, only a terminal is showen when I boot into it

I have been using windows for as far back as I could remember and developing in virtual boxes but I have decided to install Linux Mint onto a second hard drive on my main computer. Sadly, when I boot ...
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1answer
19 views

cron: output of a script?

I've got a cronjob that looks like this 0 0 * * 7 [ $(date +\%d) -le 07 ] && /home/archiver/archiver.sh &> /home/archiver/output And it works from the cron+bash perspective in that ...
1
vote
1answer
45 views

how to choose appropriate linux hardware - poor graphics performance

I can't believe I am asking this question here myself. Apologies if this is not the right place for this question. I've been using linux since 1996, SuSE version 4.1... And yet I am still not able ...
0
votes
1answer
19 views

Why do we need a usbkbd driver when there is usbhid?

I discovered that it is the usbhid that controls my USB keyboard by default. I discovered it by doing rmmod usbhid. When I removed usbhid the usb keyboard stopped working. Note that usbkbd was not yet ...
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0answers
7 views

DHCP occasionally assigning IP address with hostapd

I am currently getting my internet from a building of mine two blocks from where I live. I usually use a wireless card to connect to the access point that has the internet..What I am trying to do is ...
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0answers
12 views

Why I am not able to login on vsftpd server using a basic client program? [on hold]

#include<stdio.h> #include<sys/types.h> #include<sys/socket.h> #include<stdlib.h> #include<arpa/inet.h> #include<unistd.h> #include<string.h> #define PORT 21 ...
0
votes
1answer
22 views

How do I run a service with numactl

I need to do something like this to run MongoDB $numactl --interleave=all /usr/bin/mongod --config /etc/mongod.conf & What should I change to be able to run the mongo daemon with the options ...
1
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0answers
17 views

Outgoing masquerade address changes after adding a second interface to the bridge

In fact I have the following configuration: extrouter(192.168.1.1) <- wifi -> [eth2 (192.168.1.11) Centos 6/6 based host br0 (172.22.5.254)] br0 contains two tap interfaces (tap0/172.22.5.1 ...
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0answers
7 views

can i use lirc using the i/r on my rtl2832U dongle as regular or seperate i/r port?

although this might have rtlsdr tone to it but i am on a hunt for info, tip, tricks & mods related to lirc while trying to get it (or some kind of version) to work on my linux machine. ultimately ...
1
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0answers
10 views

how to troubleshoot domain name before re-pointing Nameservers

suppose I have a site: awesomefootball.com hosted on a Linux server with db etc.. For testing, I know how to pull a copy to my MacBook and set up /etc/hosts file to let me test at ...
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0answers
5 views

KDE5 Digital clock widget show a different time, than the configured

I'm using KDE 5 over Arch Linux, and the digital clock widget show a different time than the configured for kde. The widget can be configured to show a different time changing the timezone for it. But ...
2
votes
1answer
53 views

Test if postfix is running

I'm searching for a reliable way to test if postfix is running from inside a bash script. My first attempt was simply trying pidof postfix, which doesn't work. Then I tried to get the postfix ...
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0answers
17 views

Libpcap share directory method missing

so im trying to run a c program but everytime i try to run it i get this message error while loading shared libraries: libpcap.so.0.8: cannot open shared object file: No such file or directory ...
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0answers
11 views

CentOS install spanning 2 or more CDs

I have a custom CentOS install which used to fit on 1 CD. With recent additions, it takes up more space than can fit on 1 CD. Some of our customers have old systems that aren't DVD compatible so we ...
2
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0answers
38 views

Two *different* mountpoints having the *same* absolute path (bind-mount problem)

Scenario a NFS share is mounted on /mnt/temp/dir (and other shares are mounted in subdirectories), I umount everything there but supposedly, it doesn't work well (maybe I start with umount ...
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0answers
16 views

Bad resolution (max 1024x768) ElementaryOS (Ubuntu)

I installed Ubuntu (Elementary OS) a week ago and the resolution was always max 1024x768, but I want 1920x1080. I have searched in the internet for solutions, but I didn't find working ones. I tried ...
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0answers
22 views

HDD and SDD partition help

I have just got my Thinkpad T420 with an additional mSATA drive and i couldn't be more excited. My current partition layout is: HDD: /boot 256MB, /var 30GB, /opt 50GB SDD: / 15GB, /home/ 50GB, ...