Questions tagged [linux]

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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1 answer
78 views

Ubuntu on external drive

Can I put a full version of Ubuntu on an external hard drive and boot off of that hard drive and ignore the built in one. So I dont have to partion drives for dual boot but can boot just from a Ubuntu ...
1 vote
0 answers
862 views

Python taking too much memory on server,

I have a running EC2 instance on amazon AWS. and some time server gives me the memory maximum utilization above 97%. When i saw my server stats on newrelic That showed me the below running processes ...
0 votes
3 answers
227 views

Linux as a host with multiple Windows XP virtual machines

I am tierd or how my computer slows down... no matter what I do eventually it gets slower. I think I need a new system, a new way of doing things. Recently, for an unrelated matter I have been ...
6 votes
1 answer
7k views

Linux AMD-FX 8350 temperature monitoring

I’m trying to get the CPU temperature for my AMD-FX8350 on Debian Squeeze. I ran sensors-detect and then sensors, but I only get my motherboard sensors (it8720-isa-0228). There are three temperature ...
0 votes
4 answers
4k views

Temperature monitoring on Dell Precision M4500 under Linux: sensors-detect doesn't, what next?

I have a Dell Precision M4500, Intel Core i5 CPU, running Linux (Ubuntu Lucid), and would like to keep an eye on CPU temperature. I've tried lm-sensors: sensors-detect didn't find any sensors; ...
2 votes
2 answers
1k views

How to sort java's .property file containg <key> = <value> by <value> column?

How can I sort this property file from java project by its value column? The value contains tabs or spaces before or after the value. Here is how this file looks like, key1 = value1 key2 = ...
6 votes
2 answers
336 views

Implications of AC power failure on suspended Linux box

My Linux box will be automatically shut down by the attached UPS if it is running and the AC power fails. If I have the Linux box suspended and the AC power fails, I assume the UPS can not shut it ...
0 votes
0 answers
46 views

Chrome breaks keyboard after software update

I run ElementaryOS Freya and this morning I installed some automatic updates (list of them below). None of the updates seem specifically related to Chrome. After restarting, whenever I have Chrome ...
4 votes
2 answers
25k views

How to fix corrupted NTFS

I was trying to backup my linux box (ext4) into an external NTFS HDD using rsync I got some failure errors and then I deleted the backup on External HDD using "rm -r" & "rm -rf" which was not able ...
1 vote
0 answers
170 views

RAID1 Partitioning Scheme for a Linux Server

I'm having trouble setting up a RAID1 for my server where both drives are bootable. What I'm doing now is /biosboot and /boot partitions on both drives, then I have my LVM volume group with logical ...
1 vote
1 answer
785 views

How to send DHCP server a different hostname than the machine's static host name?

I'm using an at-home-type wireless router as the DHCP server for my desktop, with said router's management console showing the host names of the connected machines. If I put send host-name "AAA"; ...
1 vote
1 answer
447 views

Wrong available memory with LXC virtualization

I have virtualized operation system using LXC virtualization. That system reports wrong available memory - it is always same as free memory. By experiments I was able to use more memory than amount of ...
1 vote
2 answers
1k views

Alternative Intel drivers for X

I'm having trouble getting X to run with the defaults on my chakra linux live-cd. It is an Arch based distro. I have a thinkpad x40 with Intel 855GME and I get "no valid modes" error from X. I figure ...
2 votes
1 answer
237 views

Linux Mint wired networking strangely restricted by a captive portal

First, I apologize in advance: I may not be know the correct terminology so I will explain the problem in detail. I have two PCs running Linux Mint and connected to the internet on a wired network. ...
15 votes
2 answers
16k views

Why does rsync over SSH give me 10x the throughput of SCP?

scp user@aws-ec2:~/file file rsync --partial --progress -Pav -e ssh user@aws-ec2:~/file file scp only gives me 200K/s, but rsync gives me 1.9M/s I tested several times, all same results. rsync ...
0 votes
1 answer
438 views

corrupted Arch Linux OS after accessing partition from Windows 7(dual boot)

I have(had) Arch Linux as my primary OS on my laptop and then I installed Windows 7 to dual boot. All setup went very well and was working. After a day or two, I had installed ext2fsd to mount & ...
2 votes
2 answers
7k views

How to grep multiple lines from a file in linux

I have a file with the below content. . . hello . . . world . . hello . . . . . world . . the dots indicates the other lines in the file. Here what I need to gerp only the lines hello and world. ...
2 votes
1 answer
242 views

Can file copy failures be caused by file content?

I was copying some files from my laptop's hard drive on to a USB thumb drive/pen drive/key/stick earlier today, using KDE 5 to do the copy (drag and drop in Dolphin). I encountered a problem: the copy ...
-1 votes
1 answer
8k views

I have installed android studio on linux mint but I don't know where it is?

I have installed android studio on linux mint and I run it for the first time and worked fine.But, then I close it and now I don't know where it is. I tried to find it from menu but it is not there. I ...
0 votes
0 answers
1k views

How to recover files on NTFS partition

Good people’s with askubunty samy to to try ask in superuser so I copy questions. I have very, very horrible problem. I have 3 partitions in my computer: Linux, Windows and NTFS Data and I have a ...
1 vote
0 answers
72 views

RPM spec: How to erase an RPM before one is installed

I have an RPM called dcca-img.rpm In the spec file of above RPM, in PreReqs we have mysql-client and mysql, as a result before dcca-img.rpm is installed both are getting installed as expected. PreReq:...
0 votes
0 answers
748 views

Remote Login Connection timed out

I have got two virtual machines kali rolling and security onion (linux distributions) and trying to exploit open ports of security onion from kali. Scan give me three open ports 22 (ssh), 443 (https) ...
0 votes
1 answer
1k views

Can not remove i915 driver and module Linux Mint

I have faced with the next issue: I can not remove i915 driver and module. I have installed nvidia driver for Geforce 920M card but during OS installation it was installed i915 driver as well. How ...
0 votes
1 answer
2k views

How to Prevent a terminal window from jumping to the end while running a script or similar?

When I use dnf on Fedora or pacman on Arch to update my OS to the newest files via terminal command, it can sometimes be a long wait while the new files are being downloaded, so I like to scroll back ...
0 votes
0 answers
78 views

Install netbeans from a private IP machine in another remote public IP machine using SSH

I am sitting in a private IP machine (local) and want to install netbeans in another remote public IP machine (remote). The local machine runs Ubuntu and the remote machine runs CentOS. I have ...
2 votes
0 answers
1k views

Fedora 24: no build.include / try to generate autoconf.h

Trying to build a package which needs autoconf.h So i installed kernel-devel, ran make oldconfig and make prepare but unfortunalety it did not work Couldn't find any solution in the web, any ideas? ...
0 votes
1 answer
1k views

Can't delete some files off of my HP home server

I have an HP Media Vault mv2120 (Linux based, not WHS based) and sometimes when I go to delete files that I added to the server, I get a message telling me that I need permission from Unix User Nobody ...
1 vote
1 answer
206 views

Strange certificates when updating with etckeeper in ArchLinux

I just updated my arch distro and got this: create mode 120000 ca-certificates/extracted/cadir/02756ea4.0 create mode 120000 ca-certificates/extracted/cadir/2c11d503.0 create mode 120000 ca-...
0 votes
2 answers
3k views

PHPStorm does not start anymore

I have phpstorm installed on ym Linux machine, and it worked fine before. However, now it doesn't even start: ~/.../config/plugins $ phpstorm.sh OpenJDK 64-Bit Server VM warning: ignoring option ...
0 votes
0 answers
104 views

dd file copy uploading to server is fast, downloading image back to local machine is slow

I've used dd to copy a hard drive on one server to the samba share on another server. The speed was between 30-60 MB/s, about what I'd expect. The connection is a dedicated gigabit line for each image....
4 votes
2 answers
1k views

How do I get bash to respect my physical directory structure? (And likewise for Emacs?)

If in bash, I do "set -P" then bash follows the "physical directory structure" when doing "pwd" and "cd .." etc, rather than the "logical one" that might be defined via symlinks. Unfortunately, bash ...
1 vote
2 answers
6k views

Read hard drive with btrfs filesystem on Windows or Virtual machine with linux distro

I have to read data from WD Red Pro Hard Drive (BTRFS file system) connected to Windows PC via USB 3.0 Docking station. I read that it is not possible from Windows level. That's why i've created ...
4 votes
1 answer
440 views

Ubuntu 10.10 graphics card

I have Dell studio 15 laptop. I have installed a ubuntu 10.10. When ever I boot Ubuntu it comes up with a error message saying graphics card driver not found or not dedicated. But I have updated my ...
2 votes
1 answer
2k views

Unable to detect monitor webcam in ubuntu

I am using ubuntu 10.04 on a desktop PC. I have connected my 17" Dell LCD monitor with webcam (using the monitor's USB cable). Ubuntu does not detect the webcam at all (I tried Skype and Cheese, ...
2 votes
5 answers
4k views

Update BIOS on Dell with Linux with no floppy drive, when firmware is not in the firmware-tools repository

I'd like to update my BIOS on my Dell Studio XPS 1340. I have the .exe file for installing it with Windows, but I don't have Windows installed on this computer. I'm currently running Ubuntu 9.04 64-...
4 votes
2 answers
17k views

How to solve low disk space on /boot/ in CentOS 7

I am getting Low Disk Space on /boot/ in CentOS 7. I got this error since I recently did yum update. The df command shows 100% usage on boot folder. Following are the snapshots.
0 votes
1 answer
560 views

HP Pavilion dv7 with Vista, trying to install Ubuntu 11.04. Gets stuck at Busybox, prompts me for (initramfs)

I have a brand new MacBook Pro waiting on the sidelines but I don't feel it is right to "waste" this perfectly workable HP Pavilion dv7 computer even though it runs the plague that is Vista. I felt ...
3 votes
9 answers
2k views

What is the easiest way to make a backup of an entire hard disk

I got myself a dell laptop from the local computer store. Its a used machine with Windows Vista Home Basic on it. I want to load Ubuntu Desktop 10.10 though so I can do perl development. BUT I want to ...
0 votes
2 answers
344 views

Need help logging on to 192.168.1.1

trying to reset my security password- and same problem as listed- tried using admin for admin and password for password at http://192.168.1.1 but seem to have locked myself out. What should I do to ...
1 vote
0 answers
502 views

Create bootable usb from recovery partition in linux

I want to create a bootable USB from the recovery partition of my Lenovo laptop from Linux. I can mount the ntfs recovery partition in linux and see that it contains the Windows Recovery Environment ...
0 votes
1 answer
1k views

Move Linux Partitions, Dual Boot with windows

I'm not thinking about Expand Linux Partitions... I need Shrink (one, the larger) and move it (two, with the swap)... Here my HD from Windows View (Disk Management) Now, I want to reduce the last ...
0 votes
1 answer
523 views

Resize 5 Tb ext4 empty drive with Gparted takes 40 hs

I have an external 5 Tb drive connected via a USB3 port. I just formatted it to ext4, so it's completely empty. I told Gparted to resize it so as to leave some ~100 Gb of unallocated space at the ...
0 votes
0 answers
51 views

Dealing with a chmod gone wrong

I could use some advice to fix an accidentally broken system. My colleague shot himself in the foot with Linux and now at least his Docker doesn't work properly anymore, but god knows what other ...
0 votes
1 answer
2k views

How to sort a text file with three columns, each separated by a comma?

I have a text file as such, 1151,1000,801; 1152,3000,801; 1154,1000,801; 1156,3000,170; I'd like to sort based on the third number in each row. How can I do this?
-1 votes
2 answers
11k views

Linux Mint Cinnamon doesn't detect Windows 10 during installation

I have been struggling with this problem for two days now. I Googled a lot of posts, but I just can't solve this. So I have clean installed Windows 10 (BIOS is normal, no UEFI – most people fix it ...
1 vote
1 answer
544 views

how to make Dell powervault 715N to boot linux OS(Zentyal/pfsense) using hard disk instead of PXE?

All the question is about Dell powervault 715N. as my research installing/booting linux OS(Zentyal/pfsense) in is possible using PXE but is it possible to boot from hard disk as i using UNetbootin to ...
0 votes
1 answer
8k views

Is this a network problem or a server crash? How do you identify what the real problem is when you can't ping?

Today I was unable to ping my server remotely (CentOS 5.4, on a Dell). Then I tried traceroute and it showed destination host unreachable. This is very confusing because it should not do this. When ...
1 vote
2 answers
5k views

Dell laptop wireless linux drivers (XPS l502x)

I have a new dell laptop, XPS L502X. I have tried to install Xubuntu 10.04 LTS 64Bit, which is the distro I love most. The problem is that it dosen't recognize my WireLess WiFi. I have tried Ubuntu ...
0 votes
1 answer
3k views

Reclaim 100GB on disk not "seen" by fdisk but shown in parted

I am running Ubuntu 14.04 and am using lvm for the root and swap partitions. When I use parted ( or gparted) I see 110GB unpartitioned on /dev/sda . hari@Ubuntu02:~$ sudo parted /dev/sda unit GB ...
2 votes
9 answers
19k views

Linux directory full of files with tilde sign(e.g. `example.txt~`), what does it mean and how do I get rid of it?

I have a directory on my linux os(Ubuntu) full of files that start with a tilde sign(e.g. example.txt~, example.py~). When I look at my directury using the regular gui I don't see any files there. But ...

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