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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0
votes
1answer
15 views

Mount linux mount in windows (without ftp)?

I successfully mounted my external hard drive (ntfs) to /mnt/seagate. I'm using debian and the server is connected over LAN to my PC. So how can I mount my hard drive in my windows explorer without ...
-4
votes
0answers
17 views

Please help me with below expect code

Can anyone please help me with below code :- spawn /usr/bin/scp /opt/ldap/unboundid/backup/binbak/ConsumerDev/binbak_`date +%Y_%m_%d`.tar ...
1
vote
1answer
461 views

port forwarding to internal lan server

I've ppp0 --> eth1 and eth0 (internal lan). I need forwarding externel 10022 port to port 8999 of the server 192.168.1.254 iptables -t nat -A PREROUTING -p tcp -i ppp0 --dport 10022 -j DNAT --to ...
1
vote
1answer
45 views

extract Embedded initramfs

I have a kernel in which one initramfs is embedded. I want to extract it. I got the output x86 boot sector when I do file bzImage I have System.map file for this kernel image. Is there any way to ...
2
votes
1answer
2k views

php5.6.2 installation with httpd24 ( apache version 2.4.10 ) on centos/rhel

using this repo : http://dl.iuscommunity.org/pub/ius/stable/CentOS/6/x86_64/ius-release-1.0-13.ius.centos6.noarch.rpm for php installation , and for apache i am using amazon linux repo current ...
0
votes
0answers
10 views

Get the time when nohup R program finishes

I want to get the time when program finish. But it always show the same time. Here is my shell script. But it always show that START TIME is same as END TIME. START=$(date +"%r") nohup Rscript ...
0
votes
1answer
7 views

How to benchmark memory in an embedded linux device?

Is there a generic utility to benchmark external memory device (eMMC, DDR) throughput on an embedded device (e.g. raspberry pi)? memtester, bonnie, bonnie++, memtest, dd? I've been running into ...
5
votes
2answers
1k views

Querying an overlayfs

I'm looking for a way to query a mounted overlay filesystem (overlayfs) in order to check it's upper and lower directory, but until now I haven't found any suitable command for that. Is there is a way ...
1
vote
3answers
39 views

My SD card has a partition but Linux doesn't create a device entry for the partition

OK, I don't know what's going on here, at first I thought it was a problem I remember having some time ago where I couldn't mount a vfat partition because it had some flag set that it had not been ...
1
vote
2answers
20 views

VGEXTEND: How to avoid wiping a swap signature in /dev/sda3?

The problem: [root@195623 ~]# vgs VG #PV #LV #SN Attr VSize VFree fedora_195623 1 3 0 wz--n- 9,50g 0 [root@195623 ~]# vgextend fedora_195623 /dev/sda3 WARNING: swap ...
1
vote
2answers
50 views

What exactly happens in Linux internally when an ethernet cable is connected?

I would like to understand what exactly happens when a cable is being connected to the Ethernet port (assuming dynamic IP addressing): What services are being run and how are they triggered? What ...
0
votes
1answer
449 views

Grub2 lost in new Linux distro install

So, I really need some help. Recently I was using a dual boot machine on the same hard drive. I had Windows 8.1 and Ubuntu GNOME 14.04. When I installed Ubuntu on top of my Windows install, I didn't ...
1
vote
0answers
29 views

USB bar code scanner not working on Raspbian

My USB bar code scanner (SYMBOL LS2208) is recognized as a HID. hid-generic 0003:05E0:0600.000F: hiddev0,hidraw0: USB HID v1.10 Device [\xffffffef\xffffffbe\xffffffa9\xffffffbe\xffffffa9Symbol ...
0
votes
0answers
48 views

Assistance with script on multiple hosts [on hold]

I am running the below script on Server A. Before running this I read the following link: Generate an RSA key pair for version 2 of the SSH protocol #!/bin/bash HOSTS="serverA, serverB" ...
2
votes
1answer
46 views

Run script every 30 min with systemd

I would like to execute a script every 30 min after booting into the system. I know you can use cron, but I don't plan to use this feature often therefore I'd like to try it with systemd. So far I ...
3
votes
1answer
50 views

How to restore RAID5 Array

I have a RAID5 array consisting of 3 identical 2TB drives. Suddenly GRUB wouldn't boot anymore and gave the error out of disk. Eventually booted a livecd and ran some mdadm commands: mdadm --examine ...
0
votes
0answers
30 views

Should I learn Linux using Raspbian or Debian? [on hold]

Alright so I've worked with Unix a bit in the past (a university course) in which I've gained a slight knowledge of the basic commands, bash scripting and makefiles. Now I'm planning on actually ...
3
votes
2answers
2k views

Ping IP works, nslookup fails. New Kernel

I am compiling my own 3.14 kernel. I fear I may have left out some important networking feature to get DNS working. I can't resolve domain names. I can ping my DNS server. I can resolve using that ...
0
votes
1answer
21 views

Make udisks2 clean up stale mount points?

udisks2 with udiskie are set up to automount USB storage devices. Connecting a pen drive labeled MYDRIVE, it is mounted to: /media/MYDRIVE When pulling the drive without prior unmounting, the above ...
0
votes
0answers
17 views

install acrobat Reader in suse 10.3

How to install adobe reader in Linux 10.3 using commands in open terminal?
0
votes
0answers
14 views

Extracting duplicity backup data

I've made some backups of my previous systems using Deja Dup (duplicity). In my current distribution it's not available, so I've simply extracted the data. Now in order to make that data meaningful ...
2
votes
2answers
40 views

Why doesn't this sequence of keys, using SyRq, work

I have Fedora 20, with zshell and Mate desktop. I have just come across this article about using SysRq keys, but they don't give the results shown there. I am using Alt with the key marked "Home" ...
0
votes
0answers
24 views

Linux distros unresponsive/unstable on my ASUS X550LN laptop

So I've had this problem ever since I got my laptop last year, it's an ASUS X550LN (Intel i7 4500, 8Gb RAM, Nvidia GT 840M). I'm originally running Win 8.1 64bit and I wouldn't mind dual booting a ...
1
vote
1answer
23 views

my Vimrc disabled the copy/paste action using mouse right click

Am using an open source .vimrc file from https://github.com/amix/vimrc/blob/master/vimrcs/basic.vim, but it is screwing up my default mouse right click copy paste actions. Whenever I do a right click, ...
0
votes
1answer
17 views

Compile network card driver on debian

I buy a new network card , D-Link DGE-528T. My OS is Debian(Jessie) kernel : 3.16.0-4-amd64 but it can't detect the new network card, so I must to compile driver by myself. follow README file. ...
4
votes
2answers
876 views

Benefiting of sched_autogroup_enabled on the desktop

I am running a 2.6.37 kernel with sched_autogroup_enabled set to 1. I am not certain that I am seeing the benefits of this patch since: I am launching my applications from the desktop; applications ...
1
vote
1answer
1k views

GNU/Linux: “device mapper: create ioctl failed” “device or resource busy”

I can't mount my encrypted devices anymore. The error is: device mapper: create ioctl failed device or resource busy This error arises both with two different programs to access TrueCrypt ...
-3
votes
0answers
24 views

Linux os issue when installed [on hold]

I've installed RHEL OS in server. But when i was trying to login immediately after installing the OS ,I wasn't able to do anything. But I can see the OS in the server.I can see only the login page. I ...
4
votes
4answers
284 views

How can I recognize that a certain Linux distribution is based on Debian, looking at file structure? [duplicate]

I have an unknown (let's assume uname -a returns nothing) Linux distribution I have root access to. How can I verify, looking at file structure, that it is based on Debian?
2
votes
2answers
79 views

how to create multi tar archives for a huge folder

I have a large folder with 30M small files. I hope to backup the folder into 30 archives, each tar.gz file will have 1M files. The reason to split into multi archives is that to untar one single large ...
1
vote
1answer
33 views

How can I monitor network connections for an app

I'm running a chat application on my machine called foo - how do I view all connection attempts (failed or successful) for foo? I have attempted this with netstat, but I am unsure how to associate ...
0
votes
1answer
21 views

assistance with scripting list of users

I'm new to scripting, so far I've created this: #!/bin/sh ( echo List of users in PRD echo $(date) cat /etc/passwd | awk -F: '{print $1,$3,$5}' | sort | \ while read username uid gecos do echo ...
3
votes
1answer
640 views

Kali Linux can't see my windows partitions!

I'm trying to install Kali Linux alongside with my Windows 8.1 using live USB , but I can't because Kali is unable to see my partitions and unallocated space in my disk which I prepared 50GB ...
2
votes
3answers
1k views

Linux / JVM - OutOfMemoryError: unable to create new native thread

I have a memory problem with a Linux server (CentOS). It is a VM. Below is the context. It has 70Gb of RAM. There are 2 tomcat running on it. One tomcat is given a heap of 13Gb and the other one a ...
3
votes
1answer
770 views

cleaning /dev/md0 filesystem ( raid) [on hold]

I have a CentOS server using raid. The /proc/partitions contains: major minor #blocks name 8 0 976762584 sda 8 1 104391 sda1 8 2 921600855 sda2 8 3 55054755 ...
-2
votes
0answers
38 views

Script for getting user list ,filtering through parameter and emailing [on hold]

As an example : Below output is one of the lines from /etc/passwd file rambo:!:2098:203:rambo_babu:/home/rambo:/usr/bin/ks If i run below command on /etc/passwd cat /etc/passwd | awk -F: '{printf $1" ...
1
vote
0answers
24 views

Kali Linux openVPN does not pass the DNS Leak test

I recently installed Kali Linux on VMWare. I was able to successfully install openVPN following these instructions, but it seems that it does not pass the DNS Leak test. Is there anything that can fix ...
1
vote
1answer
40 views

How are the values represented with the “free” command

I am interested in the totals of the 3 lines. Specifcally, if the "used" values can be counted as what's going on in real time, or if that's just a running total since the OS was started? How does ...
0
votes
0answers
32 views

How to configure the various components of a LAMP stack [on hold]

Setting up a LAMP stack with a frontend Web server and backend Application server and a separate DB server. I need a nice simple walk-through guide on polishing it all up and getting everything ...
-3
votes
0answers
26 views

Linux - Use in the IT sector [on hold]

I'm interested in networking rather than programming. I would like to know how Linux is used in the IT industry as a networking tool.
0
votes
0answers
18 views

output in columns [duplicate]

i am trying to put my data after a snmp walk in a table this is my code: for i in `cat $Rep_Scripts/IP_ALU_LIST.txt | awk '{print}'` do read hostname ip <<< $(echo $i |sed 's/;/ /') ...
3
votes
1answer
2k views

snmpwalk community results to timeout

My snmpwalk suddenly stopped working, which was working earlier, after restarting the snmp also didn't work out, snmpwalk -v1 -c gives me timeout and it's working for other machines as well. I tried ...
0
votes
1answer
27 views

How to make virtual interface ping to a host in the network

I crated a virtual interface as indicated in this link. sudo modprobe dummy sudo ip link set name eth10 dev dummy0 sudo ifconfig eth10 up sudo ifconfig eth10 192.168.1.150 now if I want to make a ...
0
votes
1answer
21 views

How to rebuild ISO removing file from its mounted image?

I built an ISO that contains, for example: Directory listing of / d--------- 0 0 0 2048 Mar 19 2015 [ 29 02] . d--------- 0 0 0 2048 Mar 19 2015 [ 29 ...
1
vote
0answers
11 views

Record video from camera and get frame number on demand

I'm using avconv at the moment to store the input of my camera as an video. This works fine. Now i'm asking myself if it is possible to get the current frame number at a particular time of the video ...
1
vote
1answer
32 views

Automatically run command before umounting a filesystem

I want to execute a command automatically shortly before a filesystem is unmounted. The command still needs the filesystem to be mounted but I am interested in information as "new" as possible. ...
3
votes
1answer
2k views

Kernel booting stops right after “Uncompressing Linux…”

I'm trying to bring up an ARM-based board. I've got U-Boot working but can't seem to get the kernel to load. Most of the time it only goes as far as: Starting kernel ... Uncompressing Linux... A ...
1
vote
1answer
15 views

Fault-tolerant iSCSI root fs for Linux

I am in the process of moving some Linux servers onto a virtualized environment with their filesystems mounted from LVM volumes, which are in turn hosted on a remote NAS via iSCSI. I am able to start ...
3
votes
2answers
36 views

Set default kernel in GRUB

How can I pick which kernel GRUB2 should load by default? I recently installed a the linux realtime kernel and now it loads by default. I'd like to load the regular one by default. So far I only ...
0
votes
0answers
25 views

Linux within the confines of a Pi-based system [on hold]

Earlier today I was browsing software internships on my schools job posting website (I'm a CS student) and I noticed one of the jobs had this requirement: Experience with Linux programming, ...