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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1
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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
votes
1answer
18 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 ...
1
vote
1answer
492 views

Possible to download all the packages from “groupinstall” and then run ( yum --nogpgcheck localinstall *.rpm )?

This is the original command: yum groupinstall "Desktop" "Desktop Platform" "X Window System" "Fonts" I would like to create 4 folders for these. (1 folder for each). mkdir Desktop mkdir ...
0
votes
1answer
70 views

Kernel ATA Exception after resume from suspend to RAM

After resuming from suspend to RAM, my Arch Linux system freezes and becomes permanently unresponsive. However, I managed to pull the following kernel log: kernel: sas: Enter sas_scsi_recover_host ...
0
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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 ...
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 ...
1
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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
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1answer
1k 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 ...
0
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1answer
23 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 ...
6
votes
1answer
548 views

Can capabilities be used in scripts without setcap'ing the interpreter binary?

Right now I'm using cap_net_bind_service MY_USERNAME in /etc/security/capability.conf. Now I just need to set cap_net_bind_service+i on the interpreter of my favouite scripting language to be able to ...
0
votes
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 ...
1
vote
2answers
1k views

Discrepancy between reported used memory and sum of application memory usage

I'm running a desktop system that quite regularly suffers from lack of memory, this prompted me to investigate what causes the issue in the first place. Problem is, there's no single process that ...
1
vote
1answer
714 views

Certain fonts missing from xlsfonts in Centos 6.4

I have a certain software on CentOS 6.4 that gave the following error: X Error of failed request: BadName (named color or font does not exist) Major opcode of failed request: 45 (X_OpenFont) ...
0
votes
2answers
2k views

Linksys AE3000 install on linux

I bought a Linksys AE3000 wireless adapter hoping I could use it on my Ubuntu 12.04 box. I found a website that walked through using it, but it didn't work. I edited rtusb_dev_id.c to add: and then ...
3
votes
1answer
21 views

Set SLIP Between xenix and linux

For study purpose i want to set a slip-serial tcp connection between a new linux machine and old xenix machine wich run on VirtualBox. I've setup xenix Virtual Machine with two serial ports: one on ...
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 ...
0
votes
1answer
24 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
vote
1answer
2k views

Bridge interfaces with Vlan on Linux based access point

I have a Linux based wireless access point. It has eth0 interface for ethernet, ath0 for wireless and br-wan as a bridge between the two. bridge name bridge id STP enabled ...
0
votes
1answer
103 views

Clone monitor on HDMI without changing laptop display resolution

My laptop's display has native resolution of 1366x768, and I connect it to my TV which has 1920x1080i. My problem is that the only supported resolution for cloning is 640x480, which happens to be the ...
1
vote
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 ...
0
votes
2answers
552 views

Installed Linux, now Windows doesn't boot anymore

I had a working Windows 8.1 which I used regularly. Today I needed Linux, so I chose Ubuntu and installed it from a bootable flash drive alongside Windows. Everything worked well, I could choose which ...
0
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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 ...
0
votes
1answer
1k views

How to execute Netscaler commands through a remote machine via SSH connection

I have been trying to execute some NetScaler commands like "bind" & "unbind" through a Linux Box via an SSH Connection. Now the Problem is, Manually we are able to enter & execute commands on ...
0
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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 ...
1
vote
1answer
1k views

SMTP connectivity issue in Zenoss (“Connection unexpectedly closed”)

I am using Zenoss for monitoring purpose. I have been using its mail service for a long time. Suddenly my mail service in zenoss stopped and started showing <class ...
1
vote
1answer
997 views

bash: /etc/bash.bashrc: Permission denied whenever I open a terminal

On Ubuntu 13.10, when I open a new terminal, I sometimes get the following output on the terminal: bash: /etc/bash.bashrc: Permission denied However, the permissions should be fine: >ls -l ...
2
votes
1answer
1k views

SSH agent forwarding, multiple hop

I tested this setup with Linux origin machine - everything is the same - only the first hop can use keys from origin machine. Initial problem I'm trying to set up SSH agent forwarding with multiple ...
2
votes
1answer
416 views

VPN client for linux machine + support checkpoint gateway

Since Checkpoint Company does not have a VPN client for Linux (checkpoint VPN SNX R71 is not fit for us because this VPN required changes on the gateway side ). I'm trying to find if there is a VPN ...
1
vote
1answer
57 views

Samba Tuning (Very low data transfer rates)

I have been trying to tune my Samba server for a while now and have had very little luck. At first I thought it could have had something to do with my router but recently purchased a new one with ...
1
vote
1answer
456 views

Why system call hooking produces different result everytime in Linux/Android 2.6.29?

I have implemented system call hooking for Android 2.6.29 kernel through a LKM module. I am tracing down one Android app for system calls. But interestingly, it returns different results every time I ...
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 ...
0
votes
1answer
17 views
+150

How to get a grsecurity kernel on Debian Wheezy using the linux-patch-grsecurity2 package?

There is a package linux-patch-grsecurity2. But it seems to be lacking documentation. How to make use of linux-patch-grsecurity2 to get a grsecurity enabled kernel?
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 ...
1
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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 ...
10
votes
9answers
6k views

How to flash firmware under Linux in practice?

Well, I am feeling too old for jumping through several burning hoops to upgrade several firmwares via the usual vendor-specific way: Download some DOS tools, waste some time creating a (Free-)DOS boot ...
1
vote
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 ...
32
votes
1answer
14k views

Kernel inotify watch limit reached

I'm currently facing a problem on a linux box where as root I have commands returning error because inotify watch limit has been reached. # tail -f /var/log/messages [...] tail: cannot watch ...
0
votes
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 ...
0
votes
1answer
14 views

Unlist update from update list openSuse

Is there a way to stop openSuse from trying to install a particular update? Everytime I have new updates, it tries to install kernel-desktop-3.11.10-25.1 (x64) along with a newer version (currently ...
2
votes
0answers
39 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 ...
1
vote
1answer
1k views

How to execute Windows commands remotely from Linux machine using rdesktop command?

Is it possible to run Windows commands using rdesktop tool in Linux? I tried with rdesktop -s option: rdesktop -u user -p 10.0.0.2 -s "cmd.exe" but I'm not able to open the cmd.exe using the above ...
1
vote
0answers
88 views

Error while booting Ubuntu 14.04 - setterm: $TERM is not defined

Yesterday I restarted my Notebook with Ubuntu 14.04 and got the following error message in between the login-screen and the loaded user interface. Error found when loading /etc/profile setterm: ...
1
vote
2answers
69 views

Search for matching files with wildcards without using find in a bash script

For an assignment, I'm supposed to write a bash script that can act as a very basic find, but without actually using the find command. For example, if I put in this input: my_find ~/homedir/ -name ...
0
votes
1answer
647 views

How to select which graphics card to use?

I have a desktop with an integrated graphics card, which i want to use, and a PCI graphics card. I would like to display video through the integrated graphics, and use the PCI card for CUDA based ...
0
votes
1answer
755 views

Unable to mount root fs over NFS

I am attempting to set up the first (of many) Raspberry Pis running Pidora (a Fedora Remix) to boot from an NFS share. It is my goal to eventually place a dozen or more Raspberry Pis in the datacenter ...
1
vote
1answer
36 views

Link Local IPv6 address keeps being automatically assigned

I'm looking to prevent the IPv6 link local address from being randomly assigned. I'm not looking to disable v6 but rather statically assign my own link local. I've done ifconfig vboxnet0 inet6 add ...
0
votes
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 ...
1
vote
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, ...
0
votes
1answer
55 views

Did Linux have a bug where reading /dev/null would crash the system?

About 10 years ago I've been told by someone that for years Linux used to crash whenever you tried to read /dev/null (ie. cat /dev/null). Is this actually true? Did such a bug exist? And if it did, ...