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49 views

icmp limited in many network spaces?

I wrote small script do show example usage of ip netns on unused class size C (here changed into 192.168.10) #!/bin/sh network=192.168.10 for id in `seq 0 127`; do ip netns del test-$id; done; ...
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98 views

No “rwnd” option to “ip route” for managing the receive window?

Context: I'm doing some self-guided studying on TCP Window shaping. The scenario I'm trying to control for are clients which will be pulling down large amounts of data in addition to their normal ...
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319 views

isolcpus doesn't work on Ubuntu 14

I added isolcpus=0 to the end of the following line to the file /etc/default/grub GRUB_CMDLINE_LINUX_DEFAULT="quiet splash isolcpus=0" The idea, as I understand it, is to reserve core 0 from having ...
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0answers
61 views

Does all applications which show graphics without an X server has to use the frame buffer device on linux?

I am using limelight embedded on my raspberry pi 2. The application streams games from your Windows PC. It is not an X application because no X server is running. So does this application has to ...
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133 views

Keyboard merely plugged in greatly increases kernel boot time

Specs are here. I am using a K65 RGB. I am using the ckb-git package from the AUR to provide basic input functionality. With Keyboard and with driver: Startup finished in 3.100s (firmware) + ...
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339 views

Running Mac OS X under KVM/QEMU

Note to be removed in the future, so as to avoid confusion from answerers and mods edit: Forgot to add in the note, if anyone thinks this is the wrong stack-site to post this, please comment on why, ...
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0answers
189 views

Linux Mint & LIFEREA rss reader

I have the linux Mint 17.1 Cinnamon distribution installed on my laptop and I cannot launch the software Liferea from the terminal, although, it will work fine if I launch that using the menu/icon. ...
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0answers
31 views

Retrieve device manufacturer without sudo

I need to retrieve the manufacturer model of a linux device (laptop or desktop). I saw that you could use dmidecode | grep -A3 '^System Information' but it needs admin rights. There is any way to do ...
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0answers
57 views

How do I setup a floating profile in Linux

I have an external hard drive that is switched between machines. I want my home folder to point to this external hard drive for ordinary usage purposes - documents, downloads, work areas, that sort ...
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0answers
65 views

How to get the Adaptec 1200A to work under Linux at UDMA/100 (instead of 66)

A while ago, I got myself a used Adaptec 1200A controller card to keep my onboard slots free for easier connect/disconnect of drives and now I am wondering why this card will only operate at UDMA 66. ...
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0answers
124 views

Start TCP-based service on demand, and stop it after connection is closed

A server needs to provide several huge (consuming lots of RAM) tcp-based services. What I want to achieve is, that they are started on-demand (lazy), and stopped after either the connection is closed ...
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0answers
41 views

POE Connection Failure

I have 2 POE ports which are on different NICs. When I connect them together the ports' Ethernet does not come up. In other words, the associated "port status" register of those ports should turn to ...
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0answers
321 views

Kali Linux - Crunch - how to put @ symbol in the created list

I am trying to create a password list as the following: I am writing on terminal. $ crunch 5 5 -t aq\@r% I need the @ in aq@r to show as at, i used to \ character to escape, put it keep treating ...
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0answers
25 views

Raspbmc audio Scarlett 8i6 I/O

I am trying to get RaspBMC to play audio through a Focusrite Scarlett 8i6 soundcard but so far I cannot play any music through the default interface. I have tried checking the external audio ...
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0answers
101 views

Make a key act as a modifier when combined with another key

I want to achieve the following effect: [ Key1 pressed & held, then Key2 pressed & released, then Key1 released ] acts as [ Ctrl + Key2 ] but Key1 pressed and released act as Key1 So, for ...
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0answers
451 views

Is it possible to convert RHEL to CentOS?

The software vendor that we used has always specified that we should load RHEL on servers we've bought to run their software however they did start to accept CentOS and even now prefer it on new ...
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0answers
797 views

How can I run script without root to sniff network (libpcap)?

I have a script (in ruby): require 'ffi/pcap' pcap = FFI::PCap::Live.new(:dev => "wlan0", :timeout => 1) pcap.loop() do |this,pkt| puts pkt.body end When I try to run the script , I get ...
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0answers
12 views

pannel applet wont spawn process

I am using Mate, with debian8, an this has never not worked, so I'm confused now. I have a custom applet (launcher), which reads: ssh user@ip When clicked it does nothing, ordinarily a terminal is ...
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0answers
478 views

Reaver keeps repeating the same pin on Kali linux

I am trying to crack WPA2 PSK via REAVER but the signal strength is under -50db. The Signal strength is full. It tries the same PIN again and again. I have a 2.4 Ghz wireless Adapter. Is this true? ...
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0answers
209 views

Setup public IP address on LXC container

Can anyone tell me how to setup a network interface for each LXC container so that each container can have its own dedicated IP address? Here's what the /etc/network/interfaces file on my host node ...
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0answers
194 views

Handle mouse and keyboard usb device in udev

I'm trying to set up usbip on our thin clients to forward (almost all) USB devices to the server. What I don't want to forward are all input devices and all hub / virtual devices. So I want to ...
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0answers
185 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
525 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
160 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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0answers
70 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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0answers
132 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 ...
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0answers
79 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
58 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 ...
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0answers
20 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
276 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
43 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, ...
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0answers
67 views

Linux user ssh connection disabled after execution of setfacl command

I have very little linux administration experience, after searching a lot stuff online, finally I decided that I must hope that someone helps. The problem is, I needed to share an account with a ...
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0answers
63 views

tar --occurrence= option ignored?

Using GNU tar 1.26 on Linux, I'm looking for a way to stop processing after the N-th occurrence of a file in a .tar archive. This should work: tar --file=archive.tar --list --occurrence=1 filename ...
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0answers
310 views

Can I mount a share and enable the user_xattr mount option?

I have a ext4 drive that is mounted using defaults mount options. It is a RedHat Enterprise Linux version 6.5, 64 bits. I can call lsattr on any file on that server. I need to share that drive with 3 ...
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0answers
1k views

Turn off mirror display on startup on Elementary OS

I'm running Elementary OS Freya Beta 2 with dual displays. I added some xrandr commands to run at startup so the monitor I want is the primary monitor and that the dock starts on the right monitor. ...
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0answers
83 views

process blocked in msgrcv

I have a process that is blocked in msgrcv as shown by ps -eo pid,tid,wchan. Is there any way to find the PID of the process that my process is expecting to receive a message from? The communication ...
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0answers
124 views

scp stdin: is not a tty, and write failed, connection reset by peer

I have used scp for years between linux servers, as well as with Mac OSX systems. But now, I have installed cygwin and ssh, bash and openssl in order to pull large files from my linux box on the web ...
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0answers
257 views

How to defrag XFS file-system if xfs_fsr exits with “no improvement will be made”?

I am trying to defrag a heavily fragmented XFS file-system on a CentOS 6.6 machine: [root@server opt]# xfs_db -c frag -r /dev/md3 actual 598, ideal 215, fragmentation factor 64.05% However, when I ...
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0answers
179 views

Print list of bad blocks in NAND flash from user space

Is there any user space tool that can retrieve and dump the list of bad blocks in a NAND flash device? I've checked the mtdinfo command line utility, and also searched /proc and /sys, but couldn't ...
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0answers
29 views

How well is Debian supported on MIPS these days?

I am doing a new embedded Linux design, and am thinking of using a MIPS CPU. All my previous designs have used ARM. On the most recent ARM design we installed Debian ARM-HF which was excellent. My ...
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0answers
188 views

Getting to work Hostapd with RTL8192CU chipset on IPFire

I've got IP Fire set up on my RPi and despite the RTL8192CU chipset working with a bit of tweaking from a guide I found, it doesn't seem to work with hostapd on IPFire. The TP-Link USB dongle flashes ...
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0answers
304 views

Booting Linux from RAM

I want to find a cross-distro solution for setting linux up to boot from RAM. What this involves in essence would be copying an existing installation of linux one way or another over to the RAM (to ...
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0answers
50 views

insert module to kernel

I installed latest version of IPCOP, I've the correct module of my wireless card (htc_9271.fw): put it to /lib/firmware/ there is not any insmod/rmmod but only modprobe: modprobe htc_9271 FATAL: ...
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0answers
211 views

fopen problem when mounting ecryptfs filesystem

After an unrecoverable fsck problem the mount of my encrypted /home/me filesystem isn't possible any more. The visible effects are: a) logging in though most of the selectable GUI window managers ...
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0answers
60 views

Temporarily mounted filesystems suddenly unmount

On a CentOS 7 machine, I've had several instances recently where filesystems mounted manually (not using an entry in fstab) suddenly get unmounted. This always occurs when I/O is occurring on the ...
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0answers
56 views

loggedfs crashes system with “access: Transport endpoint is not connected”

I'm trying to use loggedfs to monitor my system changes, and it works great for some time, but then, eventually, it crashes and my fish shell starting to output "access: Transport endpoint is not ...
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0answers
303 views

Specify auto login for a specific tty in rhel 6.5

Hi everyone I have a problem in auto login for only a specific (say tty1) tty. I want to startx in tty 1 for that I have modify /etc/init/tty.conf file lik this : exec /sbin/mingetty --autologin ...
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200 views

How to capture single process and graph it to cacti?

Is there any way that I can get CPU usage or memory usage for single process and graph it to cacti ?
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525 views

Synaptics settings get applied correctly from /etc/X11/xorg.conf.d but then reset?

I have a BCM5974 touchpad device which gets loaded incorrectly by Xorg despite being seemingly correctly configured. I have a simple /etc/X11/xorg.conf.d/60-synaptics.conf file: Section "InputClass" ...
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0answers
81 views

Using ~/.ssh/authorized_keys for non-root users?

I have a bunch of users that are each connected to a directory in the home folder. Any way to set this up so that every time I create a new user and directory it's linked to ~/.ssh/authorized_keys so ...