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

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Are SSH remote connection passwords encrypted?

When I try to connect to my SSH remotely, will the password I send to authenticate my user account be encrypted when it's transferred over the internet?
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2answers
113 views

Security considerations when running an SSH server

I'm trying to set up an SSH server which I can access from my home network only, not the Internet. It's running Ubuntu Linux. I've installed the ssh package, and I can start/stop the SSH server, and ...
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2answers
500 views

Remote sharing of a terminal

At work, I fire-up a terminal and start executing some huge process(which may take couple of hours to complete) and leave office. When I reach home, I want to check what is happening to the ...
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1answer
55 views

Re-install linux by ssh

I have remote machine with OpenSUSE, and I cant interact with it only by SSH. I want to install Debian to this machine, how can I do it? I search answers, but each of them assumes, I have physical ...
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1answer
704 views

Unable to ping my VirtualBox VM

I've installed a VirtualBox VM from http://virtualboximages.com/CentOS+6.4+x86_64+LAMP+Server+VirualBox+VDI+Virtual+Computer. My VM has access to internet, and I can ping the host. I've set a static ...
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4answers
2k views

ssh freezes when trying to connect to some hosts

When I try to ssh to particular machine/s in a list, The SSH command happens to be freezing. I tried out setting ssh timeout. But then also it's freezes even after the timeout. In verbose mode : ...
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1answer
330 views

How do I install lzip/plzip?

A former developer backed up all of our files using plzip. We no longer have the server he used to compress them and have not been able to find a program to decompress these files. We have Windows 7 ...
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3answers
361 views

Using ext4 hard drive on Windows XP Pro machine?

Have an old laptop with Windows XP Pro and a new one with Linux Mint 13 LTS. I want to transfer my personal files from the old machine to the new one. Firstly I thought using crossover cable but I ...
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3answers
1k views

How to schedule/unschedule cron job from shell

I have a ubuntu server where I put my application core. It's a jar that needs to be always listening for requests. I made a script to run it with the correct parameters. The scenario is similar to ...
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3answers
3k views

Why does less tail mode stop working?

Using the less command on linux in tail mode (F command or less -f) consistently stops working on certain machines and/or certain files. New changes simply stop showing up. I know I've fixed this ...
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2answers
371 views

Moving some files from one hdd to other on ubuntu [closed]

I've bought a new hdd for my machine and installed ubuntu on it. I wanted to copy some of my files to the new hdd from the old one which was previously my primary hdd so I used fdisk -l to get the ...
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1answer
239 views

SSH bash - am I running a script?

I'm pulling my hair out on this one, but i've been looking around trying to find the answer to why my ssh connection to my vps has "[remote] 0:bash" in green color showing in my bottom terminal ...
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2answers
4k views

Diagnose internet connection issues using command line

I'm having multiple issues trying to get CentOS to download anything. I can't get yum to work because there is a time out when trying to access a file. Anyways, is there a way to trace why a command ...
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1answer
100 views

Reset user password on reboot

Humor me for a moment because I'm aware that this is a terrible idea. I'm trying to devise a way to reset a user's password each time the computer is rebooted. So far, I've tried the following to no ...
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0answers
585 views

Diagnosing SSH Connection Issues

So we recently have done some IT restructuring for one our server networks. I am able to generally ssh to the machine, but usually within a small time frame (< 1 min) the SSH connection is dropped ...
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3answers
702 views

Changing Python version in Xubuntu

I am in the processing learning python. I was previously learning in Python. I used version 3. Today, I installed Xubuntu 13.04. I am a very new Xubuntu user. The os had two versions pre installed. ...
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1answer
709 views

How to create Bash script when user root logout sending email alert include history

I found the following command: history | tail -20 | mail -s "log `hostname` pada `date`" mailid[at]corporate.com I want to combine it with an automatic logout script: The system should send an ...
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3answers
1k views

How to make directory writable to myself in Linux?

I have directory drwxr-xr-x 20 root root 4096 Aug 11 17:05 webapps now I want to allow myself (dims) to write to this directory. bash-3.2$ groups dims dims : web2 users How to accomplish this? ...
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1answer
58 views

How can I remove Linux from my system?

My system contains both Windows XP and Linux 2.6 31-14 generic. I want to install a new version of Linux, but it is only possible after removing the older version. What are the steps to do it? It ...
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1answer
308 views

English dictionary on Debian/ Linux [closed]

I'm looking for a CLI + GUI that I can use to look-up definitions for [English] words, much like the Dictionary app that ships with Mac OS. The term 'dictionary' is so polluted its tricky to find ...
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2answers
223 views

Writing a single line command that interprets conditional output from pdbedit

I would like to run a command on a single line that will tell me if the flag is set for a user's password to be changed on next login. This command will interpret the output and return a true/false. ...
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0answers
643 views

Linux Print Using Command acroread Layout Incorrect

At the moment we are using the command cat file.pdf | acroread -toPostScript -shrink -rotateAndCenter | lp -s -dprintername to print PDF files to a network printer. This is in a Linux (RedHat) machine ...
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2answers
522 views

rEFInd didn't detect the proper Linux distro and therefore doesn't show the right icon, how do I change that?

I'm currently triple-booting Mac Windows and Ubuntu on my computer, and according to the rEFInd website, the software should be able to automatically detect Linux distros and show the correct icon... ...
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2answers
139 views

Use the result of 'whoami' as part of an alias

I am setting up my default .bashrc on my Ubuntu machine that I will soon be adding more and more users to. One command that users will have access to is mysql, logging them into the SQL system on the ...
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1answer
237 views

monitoring ISP bandwidth data

On Windows/Linux, what would be a way to run a sample measurement of the bandwidth that I have available? I need to run a measurement at periodic intervals. There are many website which will give you ...
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1answer
592 views

M.A.M.E. roms on Raspberry Pi

I'm a quite recent user of the Raspberry Pi and I'd like to turn it into a retro arcade machine just like I've seen on internet. I've downloaded MAME4ALL from the PiStore as well as a package of roms. ...
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1answer
246 views

installing arm-none-eabi-gcc on freebsd 9

I'm trying to follow this guide : https://wiki.freebsd.org/FreeBSD/arm/ArndaleBoard but as you can see here : http://www.montedivenere.it/images/freebsd-arm/freebsd-arndale.png I need to install ...
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1answer
368 views

How do I copy files with curly brace expansion in the path?

I have a file that is the same name (different data) and is located in multiple directories. An example: /path/to/this/dir1/data.csv /path/to/this/dir2/data.csv /path/to/this/dir3/data.csv ...
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1answer
908 views

only show running services using service --status-all and grep

If I do service --status-all I get something like this: [ ? ] webmin [ ? ] whoopsie [ + ] winbind [ - ] x11-common I want to show just the running ones ([ + ]) so I did service --status-all | ...
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1answer
142 views

Can a consumer-level (i.e. cheap) UPS trigger a custom script on power failure on Linux?

I am essentially trying to build is a poor mans server failover solution. The non-profit organization I am part of is planning to host several web applications. In order to save on hosting costs we ...
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1answer
188 views

how to install emacs24 with gui for suse enterprise server

i worked on SUSE enterprise 11, i found it only have emacs22 installed by default, emacs22 can work with its GUI, i want some feature which has been included in emacs 24, and i try to install it ...
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401 views

Installing Windows 8 from USB gives a black screen and blinking cursor [duplicate]

I am trying to install Windows 8 from a flash drive on my laptop which is currently running Linux Mint 15. I am able to select the flash drive as the boot option in the BIOS but when I boot to it I am ...
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2answers
97 views

Is it possible to find which ip is going to a website? [closed]

We have someone that keeps trying to connect to our email host and after a few attempts of trying to log in (incorrectly) we are then blocked. We then have to call and unblock. Less then having ...
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0answers
842 views

gpg-agent fails with “command get_passphrase failed: End of file” on pinentry

I'm trying to use Enigmail with Thunderbird on Linux. GPG itself is set up, keys imported and I already can use the key management functions (including signing of keys) from kgpg. But Mail encryption ...
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3answers
517 views

run centos 5 from a usb stick to test a program

I have a very specific issue, I wanted to run a C - program on Cent OS 5, but i dont really use cent os for much work. I was wondering if I can have a 'live' version on a pendrive and test the C ...
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1answer
150 views

Distinguishing between multiple webcams in Linux?

I have two webcams connected to my machine, running Linux Mint. jacoby@oz:~$ ls /dev/video* /dev/video0 /dev/video1 jacoby@oz:~$ lsusb ... Bus 001 Device 003: ID 046d:08ce Logitech, Inc. QuickCam ...
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2answers
2k views

Message from Syslogd

During a ssh session running a long rsync-job the system crashed and I received the following output in my shell: Message from syslogd@x123 at Aug 21 13:42:05 ... kernel:[1050642.629179] ...
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2answers
634 views

Linux - starting a visible terminal on boot

I have a C program I wrote for debian on the raspberry pi that asks the user to enter a number, 1-4 which it then stores in a configuration file. This only happens if the configuration file is ...
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1answer
1k views

Linux kernel source not found

I downloaded the source code of a driver (tun 1.1) and i was planning to installing when i obtained the following error: root@sergiosaturn-HP-Pavilion-dv6500-Notebook-PC:~/Documentos/Tese/tun-1.1# ...
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0answers
273 views

Dual Boot with Windows: Enable numlock

After I installed Ubuntu along with Windows, in both OS's I had to manually enable numlock (despite having enabled a setting for this in the BIOS I believe). Is there a way to enable numlock?
0
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1answer
160 views

Sparse image filesystem suitable for live linux filesystem

I want to boot linux (Mint 14) from an USB drive, but mount essential parts of the filesystem from the hard drive (/home, /usr, /opt). Is there a filesystem type that can be used within a sparse image ...
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1answer
1k views

Can I make SYSLINUX load a root fs from an image file on an NTFS partition?

SYSLINUX allows me to boot from a FAT16 USB-stick by loading a kernel image and an initial ram-disk (initrd) image from there. To get more space and a faster access, I can mount an NTFS partition ...
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3answers
5k views

How to tell GEDIT to reload currently opened file

I am using GEDIT and I would like to have a shortcut key that allows me to tell GEDIT (on Ubuntu) to force reloading from file system the currently opened file. How can I do that?
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1answer
147 views

Where are the open ports ? Am I getting an incomplete list?

As I enter the netstat command in the terminal, I get the following list. Active Internet connections (w/o servers) Proto Recv-Q Send-Q Local Address Foreign Address State ...
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3answers
1k views

How to mark a network as unreachable?

I have a router running Linux. Its network configuration has a default route to my ISP for public Internet access. I now need to prevent a specified destination network from access. Original route ...
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3answers
75 views

Is there a log of the output of startup commands?

While Ubuntu is starting up, the init rc commands are run. Is there a way to see their full output after the system has started?
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2answers
792 views

Linux terminal emulator with terminal autocomplete? [closed]

I've moved from OSX back to Linux and am mostly happy. One of the main things I miss is iTerm2, especially its terminal based autocompletion feature (tmux integration would also be nice). I've looked ...
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2answers
69 views

Automating OpenOffice Installation

I am attempting to write a shell script which will download the latest version of OpenOffice using wget, and then use the command-line to install the application. I have seen that installing the ...
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1answer
211 views

Battery sort of died after a power outage

So today the power went out and my laptop did a strange popping sound and turned off even though it had like 50% battery (it was plugged in at the time though). This has never happened before, it'll ...
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5answers
24k views

How Do I Find The Hardware Block Read Size for My Hard Drive?

I'm trying to figure out the optimal size for a large copy from my hard drive using dd. I'm trying to figure out what the best blocksize to use it, which I would assume is the hardware block size for ...