A family of Unix-like operating systems using the Linux kernel. If your question is about a certain distribution only, use a more specific tag.

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why doesn't xterm work with my script?

my script : echo 123456 > /folder/folder/123.txt I ran the script with xterm: xterm -e my.sh & It doesn't work.
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1answer
11 views

How might one version control Linux kernel firewall rules?

Our router is CentOS but we just use iptables to modify Linux kernel firewall rules. There is a script that's under version control which resets all the chains/rules, but in doing so drops all ...
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1answer
23 views

Compile and Install Gedit from Source on Ubuntu

It is pretty obvious what I need to do, but below are the details just in case. I want to install and configure Gedit's latest version into my Ubuntu 14.04 Trusty tahr along with installing it's ...
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2answers
32 views

How can I turn a computer and wireless router into a small network with no Internet connection?

I am looking to make a project for a college club that involves setting up a Linux server (for webpages or a database) and accessing that server over a wireless connection. However, I would like to ...
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0answers
7 views

meminfo values does not add up

I am investigating a memory issue of in my system. The following is /proc/meminfo: $ cat /proc/meminfo MemTotal: 32869176 kB MemFree: 1495144 kB Buffers: 15052 kB Cached: ...
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15 views

how can i setup my internal ip as a proxy server

The machine I'm using is Kali Linux what I'm trying to do is make my Linux machine handle all my router traffic please help me, why i want this? my router gets dosed to much and i want my machine to ...
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6 views

Control Linux kernel multi cpu usage at boot

I am developing a mobile system, that has certain limits in power consumption. The system has for example 4 or 8 cpu cores. If running, the total power budget is usually low due to idling of most of ...
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1answer
11 views

Debian pvmove of root lv into raid10 device resulted in unbootable system

I was in the process of moving logical volume extents onto an raid 10 array assembled with mdadmin. One of the logical volumes moved was the root directory (debian testing system) which was previously ...
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1answer
19 views

Cpanel/WHM not working [on hold]

Everything work fine, suddenly today afternoon Both cpanel and WHM stop working. But still the website and SSH work fine, But i am unable to open cpanel or whm, when i opening using IP ...
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1answer
33 views

Terminal: How to list current directory while typing out a path

I'm not sure how to phrase this correctly but I want to know how in the terminal to do the equivalent of 'ls' when typing out a path. So for example i'm typing in: sudo "/Library/Application\ ...
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9 views

Formatting the output of objdump -sj .text

I am hoping to get the contents of the .text section, of a Microsoft PE file using a linux command. When I use objdump -sj .text filename.exe the output consists of the offset, in hexadecimal ...
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1answer
22 views

Migrating to a new Machine

I recently assembled a new workstation at my workplace. The current one is really old, (~3 years). On the software front, the current system is running Ubuntu 14 and has a lots of bits and pieces ...
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1answer
42 views
+50

IntelliJ: almost unreadable fonts on linux

As you can see on the screenshot, most of the text on IntelliJ renders as it should, however, on certain elements, such as the code lens, the fonts are almost unreadable. On the Help -> About I ...
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1answer
24 views

iptable rule to allow ftp connections between two networks

I have two machines, machine1 is configured with 192.168.1.0/24 network and machine2 with 10.10.0.0/24 network. I have dropped the communication between the two networks with iptables -P FORWARD ...
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1answer
14 views

Execute SSH port forwarding along with the browser

I've successfully set up dynamic port forwarding over SSH in Pale Moon and added the alias as ssh-forward in .bashrc. Now I have to execute both ssh-forward and palemoon to access the Internet over ...
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2answers
20 views

On a headless linux server, detect if inserted optical disk is audio disk

On a headless Linux server (latest fedora if this is of interest), how can I detect that the inserted optical disk is an audio disk, as opposed to a data disk or a video DVD? There is no desktop ...
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1answer
23 views

PAM SSSD Allow Local Users

I've got a default SSSD configuration with PAM. I can login fine as any LDAP user. However, when I create a local user on a server: adduser test1 passwd test1 and then try to login as that user I ...
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0answers
9 views

Binding a Bluetooth device to a Linux serial device

I'm trying to redirect Bluetooth input from a gamepad to a serial device (/dev/XXX), but I haven't been able to do so. I'm running Raspbian Jessie. I'm able to pair and trust the gamepad via ...
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2answers
24 views

From logs, extract specific line after a grep by line number

I have a file, debug.log, from which I want to extract all the lines that immediately precede a specified pattern. Example: 1 blabla 2 blabla 3 HERE THE IMPORTANT THING 4 HERE IT MATCHES MY PATTERN ...
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2answers
26 views

mount http server as filesystem

I am trying to mount HTTP locally.Using SSHFS its working fine.But for Windows systems, or systems without SSH we cant use SSHFS.For example we can mount FTP locally using curlftp.For HTTP we have any ...
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1answer
34 views

How to find the IP of an embedded Linux device

I am building a small embedded Linux device, providing a simple TELNET server to the users for changing the IP address and other required configurations (no console access is available). Should ...
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1answer
17 views

Why can I access my Raspi via ftp (FileZilla) even after stopping the 'vsftpd' service?

I've been fiddling with my new RasPi 3 and one of the first things I did was to setup an FTP server to transfer files between my Pi and my laptop via the local Wifi network. I installed the 'vsftpd' ...
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0answers
24 views

Wifi Access Point instable in Fedora, KDE Plasma 5

I have two PCs (PC1 and PC2). Both have identical hard- and software and both are connected to the interenet via ethernet connection. As OS I have Fedora 23 with KDE Plasma 5. Using the KDE ...
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1answer
12 views

Hairpin NAT with dynamic WAN IP

I have a dynamic WAN IP so if it changes my iptables will no longer apply. Here is my working hairpin nat, where x.x.x.x is my WAN IP br0 - LAN eth1 - WAN -A PREROUTING -d x.x.x.x -p tcp --dport ...
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16 views

Can't resize VirtualBox drive. Debian

I had Debian Virtual Machine with 8 Gb vdi disk. Later i need have been some extra space. I resize vdi disk with VBoxManage modifyhd Debian.vdi --resize 20Gb Next, i download GParted ISO and create ...
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2answers
57 views

Can I create a bootable Linux live USB flash drive using a Windows computer?

I have a rescued 2013 MacBook Air with a broken screen backlight due to a beverage spill and missing its internal SSD. I don't yet have any OS installed on it. I have access only to (32 bit) Windows ...
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2answers
21 views

Can DVD-R disks be used to create a boot disk?(linux iso)

Can DVD-R disks be used to create a boot disk?(linux iso). I am trying to install linux on my imac powerpc g5 which wont boot from a bootable usb.
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1answer
21 views

To create shell script

I want to create a script to check size of all the files present under particular folder, and if size of any file present under a folder cross 500mb it would trigger a mail to me specifying the file ...
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0answers
27 views

Virtualbox: booting OS X guest on Ubuntu host on a Macbook Pro

I want to boot Linux natively, and boot the Mac's own native OS X virtually inside Linux. I've followed the same procedure as I've used in the past to boot Windows partitions in a Linux host, but it ...
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1answer
26 views

Screen turning off at random, on any Linux distro

I've switched an old laptop with the dreaded SiS 771 graphics card to Linux (Debian jessie to be more specific) but while I work or even leave it on idle, the screen suddenly turns off, while the fans ...
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1answer
16 views

I can not install the necessary dependencies for Skype for Fedora 23 x86_64

Hi I have a HP Envy dv7 with an uname -a output of: Linux MercadesBendz 4.4.7-300.fc23.x86_64 #1 SMP Wed Apr 13 02:52:52 UTC 2016 x86_64 x86_64 x86_64 GNU/Linux lspci output of: 00:00.0 ...
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0answers
8 views

dansguardian is blocking all http traffic by default

I was trying to setup a proxy on my machine to filter web content, so I installed tinyproxy and dansguardian. I checked all the configuration files but cannot find the directive to allow the http ...
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0answers
5 views

Webfaction: how do I have my secondary user sudoing as main user in post-receive?

I am using webfaction (remember this, since I don't have access to root or standard sudo foo --bar commands to get admin rights) and have two user accounts in a server I manage for someone (one user ...
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2answers
29 views

Move OS from one drive to another

I have elementary OS(based on Ubuntu 14.04) installed on my Laptop. I wish to install Windows 10 on my laptop's primary hard disk. I have another external hard disk which I want to use for elementary ...
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0answers
24 views

monitoring websites using curl [on hold]

I am looking to monitor about 40 (Linux/Apache) urls hosted in a DMZ. I am thinking of using curl from a Linux box in the DMZ to do this and pass the data to a monitoring tool. My plan is to use a ...
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1answer
36 views

I just installed GMP, where did it install to?

I am not familiar with installing programs with ./configure...make and so forth. I just installed GMP like this and now I cannot seem to find where it installed to. I checked in all the bins I could ...
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2answers
29 views

How to stop specific dhcp interfaces from adding a gateway to my routing table in linux (RPi)?

I've been setting up a VPN server on my Raspberry Pi 3 (latest Noobs) which has worked wonderfully. The VPN creates an extra interface called vpn_vpn and my normal internet is on wlan0 or sometimes ...
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0answers
10 views

Select default display output BIOS level

My custom built pc has a couple of display output ports on both integrated and dedicated NVIDIA card, but it only displays output on mDP port of my NVIDIA card currently. It works fine with Windows ...
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1answer
16 views

Using firewall-cmd to open up a port for INPUT only

I'm using firewall-cmd on centos7 to open up a port. But, I want to open up the port for INPUT only. I currently have this, but it, presumbably, opens it for INPUT and OUTPUT. sudo firewall-cmd ...
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1answer
13 views

Where is the email address for maillog set?

I've got a CentOS 6.7 system that currently emails a certain address to send system messages (for example, it emailed with the body "Terminated" to indicate a process spawned by cron that was killed ...
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1answer
21 views

How many ARP Request/Reply for Ping command to work

I would like know how many ARP Request/Reply are required for ping command to get work ? Let's say we have two machines connected point to point with ip's 192.168.110.2 and 192.168.110.3 and executes ...
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1answer
21 views

What is the discard option in `stty -a`? It uses `^O`

In stty -a, there's an option for discard = ^0. I've googled around, and the closest documentation I get is from: http://www.tldp.org/HOWTO/Text-Terminal-HOWTO-17.html which says ^O flush (or ...
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0answers
9 views

Install Ubuntu with PXELinux on Raid0 machine

I have built a server that give tha ability to install several Linux distro over the network. Everything works well but with Ubuntu 14.04. I used this guide : ...
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1answer
13 views

Why isn't the latest version installed from the PPA as advertised?

I have the ethereum PPAs enabled http://ppa.launchpad.net/ethereum/ethereum/ubuntu http://ppa.launchpad.net/ethereum/ethereum-dev/ubuntu http://ppa.launchpad.net/ethereum/ethereum-qt/ubuntu I have ...
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1answer
25 views

Using Raspberry Pi as TOR Relay with VPN

I am attempting to accomplish multiple outcomes here: Configure a Raspberry Pi (B+ Model) as an XMPP server to utilize ChatSecure Configure a Raspberry Pi (Latest Model, yet to purchase) as a TOR ...
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1answer
9 views

Choose gateway regarding incomming node

I have a server behind 2 Internet Access. the ip are these: -Server : 192.168.0.1 -ISP 1 : 192.168.0.253 -ISP 2 : 192.168.0.254 I would like that packets coming from ISP 1 receive response using ...
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0answers
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Why is dhclient ignoring dhclient.conf?

I have the following problem I want to solve: I have multi homed system running linux, with three interfaces. All interfaces are configured by dhcp. The DHCP client is ISC dhcp 4.2.5 The DHCP server ...
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0answers
10 views

OSX smooth scrolling in tmux

I'm SSH'ing into a linux box using iTerm2. On that box I run tmux 1.6. I have enabled mouse mode: set -g mode-mouse on This works fine, and I can scroll when using tail, but it's not the same ...
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1answer
25 views

At is scheduling the job but not executing the commands under it

Please help me solve my issue on at command. I am giving the below command and it is not executing. # at now at> ls -l > txt.txt at> <EOT> job 1 at 2016-04-27 11:31 when I try to ...
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2answers
15 views

How can I fix Debian Linux nf_conntrack?

I have a problem with my Linux router (Debian). When I run MTR, it always has loss in 1 hop it in my server. My friends told me it's because my nf_conntrack is full. I have been up max_conntrack but ...