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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How to create a shortcut to maximize horizontally a window in KDE Plasma?

"Provided your window is not already maximized, clicking on the maximize button with the right mouse button will maximize it horizontally" How to create a shortcut for doing that?
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408 views

dual-boot of mint and windows 8.1 doesnt work - mint doesnt appear

I got a new laptop and installed Linux Mint 17 MATE and Windows 8.1. I want to use dual-boot so that I can choose at start-up which OS will appear. Now only the Windows appears and I dont get asked to ...
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163 views

Local DNS queries fail on server but work on clients

I have Ubuntu 14.04 server and I have Bind9 installed on it and configured. On client computers I have the DNS server address set to this server. nslookup for my custom DNS entries return the correct ...
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637 views

What is the reason for an error 'eth0: Transmit timeout' in dmesg?

On a gentoo Linux system the dmesg output shows something like the following repeatedly: eth0: link up, 100Mbps, full-duplex, lpa 0x45E1 eth0: Transmit timeout, status 0c 0005 c07f media 10. eth0: ...
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51 views

Samba install broke openvpn

I used http://jankarres.de/2013/05/raspberry-pi-openvpn-vpn-server-installieren/ for installing openvpn. I followed the instructions to the letter and everything worked fine. My client connected to ...
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256 views

Having trouble setting up RAID 1 on Fedora

I have been working for a while to setup RAID 1 on my fedora server. I have one installed with Fedora, 1 blank but partitioned. The one with fedora is /dev/sda and the blank one is /dev/sdb. I tried ...
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87 views

How to modify the starting boundary of an ext4 partition?

There are 4 partitions on the disk. parted /dev/sda --script -- print ... 1 1049KB 50.0GB ... ext4 2 50GB 82GB ... linux-swap 3 82GB 100GB ... ext4 4 100GB 1000GB ... ext4 My goal is to ...
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17 views

Restricted logins + almost all ports closed : secure?

Context : I plan to travel. I want to make a little cloud with my personal server. I wish I could d/l some of my files and eventually upload some files which will not be executed and the whole is ...
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483 views

Can't mount external HDD. Device listed at lsusb but doesn't appear at /dev

Device works at Windows but doesn't appear at /dev. How can I mount it? So let's go to the infos... uname -a: Linux deeptought 3.13.0-30-generic #54-Ubuntu SMP Mon Jun 9 22:45:01 UTC 2014 x86_64 ...
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379 views

SIOCGIFADDR: Cannot assign requested address Error in python

I want to set IP address by using python's subprocess module. I was trying to use it like this: from subprocess import call call(["ifconfig", "eth0", "50.7.192.226", "netmask", "255.255.255.248", "...
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705 views

Windows 8 and BIOS won't boot after installing Linux

I've recently been dual booting Windows 8 and Fedora 20 (and one point Ubuntu). My Fedora kernel wouldn't load in GRUB one day so I decided to reinstall Fedora using a live USB (my laptop doesn't have ...
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281 views

Wireless Card Dumping Lots of Log Messages (13GiB+ over a few hours)

My USB wifi adapter (TL-WN822N running on Fedora 20 with the ath9k_htc adapter) seems to be working fine but is dumping similar debugging messages multiple times per second. The messages are so large ...
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646 views

How to write dependency rules in rpm .spec file for RHEL OS

I need to build one rpm package, that should be dependent on the installation of another rpm package. On my PC, the dependent package has been installed, with a name like abcd-1425-a.x86_64. I wrote ...
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46 views

Finding & removing lines from a text file (linux)

I have a text file with a list of addresses from all recent connections. I ran the following command: netstat -natu | grep 'ESTABLISHED' > temp.txt I then proceeded to filter everything in ...
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19 views

Route request from 1VM to another

I have a linux ubuntu vm and windows xp vm running parallel. How would I go about routing a request from the xp vm to the linux vm? Host PC is setup to route test.com to 192.168.33.10 which is the ...
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2k views

Increase space of /var folder in centos

I want to increase the space of /var folder.The output of df -h is [root@localhost ~]# df -h Filesystem Size Used Avail Use% Mounted on /dev/mapper/vg_livecd-lv_root 50G 33G ...
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80 views

PowerShell Send-MailMessage equivalent in Linux

How can I send email via our internal SMTP server from the Linux command line? Something like: sendmessage -server smtp.mycompany.net -subject "Alert aaagh!" -body "The boron control rods have ...
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459 views

Enable wifi antenna in boot-repair environment

L.S., I'm trying to fix things with Boot-repair(bootable disk) but it needs internet to work properly. The thing is, my wifi antenna auto-enables when i boot windows and linux, but this is not the ...
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181 views

How to get the last file created on Linux using pscp PuTTY?

I'm accesing an Ubuntu system using pcsp from PuTTY on a Windows PC. I need to retrive the last file created on a folder. For now i only have a script that retrieves all the files on a folder: set ...
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856 views

File synchronization between two Linux servers

We have a two web servers running CentOS. We need to sync images that users uploaded. No servers should be needed to synchronize those, because we need to handle failover. Also, we need to do a two-...
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56 views

matching files to folders

Can linux scan two directories? Once scanned match the two directories based on similarities in the file name and transfer files. I'm looking to transfer file "directory"/seq0001.pdf to folder "...
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108 views

Ubuntu 12.04: user configuration sudden rollback

I am a newbie to Linux and after half of year working in Ubuntu (12.04 LTS) had encountered the following strange thing: one day I am doing manual restart of Linux PC and at next boot observing ...
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308 views

Linux ad hoc network wpa_supplicant frequency

One of the terms I've seen defined in the wpa_supplicant for Linux devices using an ad hoc network is "frequency=2412", and I have to admit its function is obvious, but I was wondering if anyone could ...
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1k views

Will a dhcp server work as VirtualBox guest on a bridged interface?

I do LAN gaming a lot. :) However, the game i´ll host this time will need some dns to "forward" requests to a server inside this lan and i thought: Why not to create a dhcp-server inside a VM so ...
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178 views

How to read a Linux HD from a NAS on a windows machine?

I have/had a Buffalo NAS drive, LS-WSX Series working fine until I decided to clean out the trash folder on the NAS. Since then I can not access the shared folders that I had set up. I have spoken ...
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37 views

Capture output from quickly rotating log

I am dealing with a misbehaving third-party program, the vendor of which seems happy to help if I can provide them with the debug log. They told me how to turn debug logging on and off, however ...
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266 views

Cant connect to eth0 after wlan0 sharing with iptables

I wanted my Ubuntu server to act as a wifi hotspot. So I set up hostapd to allow wifi connections. I then setup dnsmasq to provide the DHCP settings. I then added the following iptables rules, so ...
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902 views

mysqli extension is missing in phpMyAdmin on RedHat 5.9 Server

We have installed Apache, PHP, MySQL, and attempted to install phpMyAdmin. When going to phpMyAdmin in the browser, we are presented with "The mbstring extension is missing." We are unable to get ...
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112 views

Only Allow Connection to Certain BSSID

There are two networks with the same SSID. I want to ensure I only connect to the access point and never connect to the other one. How can I allow AND prevent connection to wireless networks based on ...
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1answer
27 views

Lost Directory structure

Made a stupid typo and moved all my directories into cyberspace and have no idea where they went I accidentally moved them into /etc/Public but when I tried to move them to ~/Public they are no way to ...
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55 views

ssh tunneling on multi systems

I would like to ssh-forward id_rsa keys from localhost through server 1 to server 2 On the localhost computer I have the id_rsa keys which get added to ssh-agent for forwarding to a remote server. ...
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93 views

Reach ssh server behind a router on embedded system using established socket connection

I have developed an embedded application running linux to do remote I/O control. The application open a socket connection to my server to communicate, periodically, the state of the I/O and getting ...
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942 views

How to add a prefix to every row of a particular column in a csv file via command line on linux

So basically i am trying to achieve the following.    File before editing.  column-1,   column-2,  column-3,  column-4,  column-5 Row-1-c1,  ...
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81 views

How to run headless VirtualBox in another GUI terminal in Linux?

I want to run Windows and Linux simultaneously through Virtualbox with Linux as a host. Having desktop environment running on GUI terminal (ctrl+alt+f7) I want to run from the first terminal (ctrl+alt+...
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43 views

One database on Linux and Windows

I want to use MySQL database on my Ubuntu installation as of Windows 7, It should be dynamically, I mean when I change data in database on Ubuntu it should save also on Windows too. I've already ...
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772 views

Remote Packet Capture using Wireshark

Well The scenario is that I have a Windows machine(at home) and a Linux box running headless Ubuntu server(without GUI) on a remote location. I got Wireshark installed on my windows machine, and ...
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600 views

Use router as external high powered Wi-Fi adapter

I need a powerful external Wi-Fi adapter for a couple of days. I heard that some types of router support this mode, allowing me to connect the router to my notebook and just use it as an external Wi-...
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1answer
17 views

Move child folders into a different folder

I am new to UNIX, and I am trying to write a shell script that would move all folders that are older than a day in log archive directory into another folder. Below is the command I am using for doing ...
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265 views

(Arch)Linux board with dual ethernet

I am looking for a Linux board with the following requirements: 2 ethernet ports (helpful, but only 1 required) 2 USB ports SDXC support (for SD/MicroSD) WiFi (>25 concurrent users ideally) HDMI or ...
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1answer
581 views

Unable to SSH into remote server with defined user & keyfile

This one is just bugging me, I can ssh in as USER when I am using USER account ie: USER@SERVER$ ssh -v USER@ip-SERVER2 logs in just fine if I try and use USER2@SERVER$ ssh -v USER@ip-SERVER2 ...
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1answer
440 views

Routing Traffic With OpenVPN

Few minutes ago i configured my VPN server, and actually I can connect to my VPN but all trafic is going through my normal home network. On my OpenVPN application I've got an information : Server IP: ...
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2k views

How to plot an R table in Linux terminal

I have a text file that I converted into a numeric vector: numbers <- scan("list_of_numbers.txt") I then put it into a table: t <- table(numbers) Which outputs like this: 1 2 ...
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47 views

Is my Windows partition too far down on the disk?

I have /boot/ on /dev/sda1 (1GB), followed by my Linux root LVM on /dev/sda2 (1.3GB). Finally, I freshly installed Windows 7 on /dev/sda3 in the remaining 700GB of space. When I select Windows 7 in ...
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1answer
535 views

Block All Traffic and Allow from Defined IP only in IPTABLES

I want to create a gateway firewall for my network . I want to block all the internal traffic on gateway and allow it from two computers only . On gateway --> eth0 is network card in gateway PC ...
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191 views

Mix of GRUB and GRUB2 (Linux and Solaris)

ALL, I have a DELL laptop on which I installed Linux and Open Solaris (in that order). Linux used GRUB2 and it was OK. Solaris still uses GRUB1 and it looks like it did overwrite the GRUB2 ...
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671 views

VMware 10 and Linux guest OS: how to change NIC driver from vmxnet3 to vmxnet

Guest OS: Ubuntu 14.04 Host OS: Windows 7 VMware Workstation 10 Problem: vmware tools automatically install vmxnet3 driver, without an option to select nic driver. In .vmx, ethernet0.virtualDev = "...
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114 views

Software RAID 1 Configuration

I have created a software RAID 1 quite some while ago and it always seemed to work for me. However I am not completely sure that I have configured everything right and do not have the experience to ...
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1k views

Upgrade R version on Linux Red Hat 6.2

I have R 2.15.2 installed on Linux Red Hat 6.2 and I want to upgrade it to the lastest version because I cannot install some packages (like 'Rcpp', 'shiny' and others). How can achieve that? Thanks! ...
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114 views

Remove all GUI elements from a Firefox 29 window under a specific profile

I'd like to make desktop shortcuts to certain webapps to a Firefox 29 window w/ all the GUI elements such as tabs, menubar, buttons, etc. removed. I'm following these instructions. This screengrab ...
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595 views

WGET/cron downloading webcamera file

our new town doctor put a web camera to his waiting room for people to see how much crowded it is. As my mom and grandparents go to this doctor, I wanted to download the files periodically and if they ...