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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Strange Vim/terminal use from ssh via Mac OSX

I am using terminal from a Mac OS X 10.10 (Yosemite) and SSH’ing into a fedora machine and am having a couple strange issues with the terminal: When I :q from vim, the contents of the vim screen is ...
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1answer
2k views

Install CentOS on top of Ubuntu (dual boot)

I have a Ubuntu desktop and would like to install CentOS on top of it as a dual boot. The machine has two drives, each with one partition. I don't want to risk harming my Ubuntu installation. I'd ...
3
votes
2answers
999 views

What is the correct way to plug DNS leaks when running OpenVPN?

I've set up OpenVPN on a Linux server. All my Internet traffic goes through the VPN from that server. I'm running Windows 7 at home. I noticed in Wireshark that DNS queries are not going through the ...
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1answer
4k views

Issues installing Kali Linux alongside Windows 8

I am running Windows 8 64-bit with an i3-3230m with 750GB HDD and 8GB RAM. I installed Kali onto a 40GB unallocated partition. (Note: I had to change to Legacy mode in BIOS or my computer would not ...
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0answers
19 views

Why would we need to restart network interface periodically?

Occasionally, one or more machines in our 20-node server room here at U. Washington will start lagging, to the point that SSH connections into it takes minutes or just stall. Some high-level effects ...
2
votes
1answer
18 views

Make tar archive only files without directories (equivalent of zip -D -j)

I want to tar (and gzip) files without directories and do not store directory paths. I want only flat files in my archive. For example if I'll do something like this: tar -czf archive.tgz ...
1
vote
1answer
13 views

How do I remove files from a range in a folder? [duplicate]

How do I delete a specific frame range in a folder? I have star_bg_true.0001.dpx star_bg_true.0002.dpx .... star_bg_true.0100.dpx How do I remove only frames 0030–0050?
2
votes
2answers
33 views

Linux “man” pages appear as gibberish in CentOS

On my CentOS 6 box, all the man pages and some tools that support --help show gibberish. For example, if I type: man man I get this: ^HZ[wã¸~ǯÀjZÊèvg:=3ÌlËm’¾­¤ÞÎl<;HHBL´Z}òãSe{l?´)B¡ê«¯ ...
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votes
1answer
46 views

XOR.DDoS removing from debian linux [on hold]

I'm pretty sure, that on my server is XOR.DDoS. I have read many blogs about and every symptom that I've found I had. Is there any way to remove that stuff from my server?
2
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2answers
46 views

What is “File Packing” done by an Operating System?

I am reading a book on Operating Systems, and I am confused in a part about Internal File Structure. Quoting from the book: Disk systems typically have a well-defined block size determined by ...
3
votes
2answers
145 views

Differential copy from Windows to Linux

Is there any way to do differential copies of a directory from Windows to Linux over ssh, sftp, scp, or similar? Preferably not rsync since they are all cygwin based and force you to use the ...
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1answer
34 views

Determine when reboot required after patching from the command line?

After ssh'ing into a box and using yum or apt-get to patch, I would like to determine when a reboot is required. It would be incredibly helpful to know so we can schedule a reboot in a maintenance ...
1
vote
1answer
739 views

How to use ip rule and ip route commands for IPv6 addresses?

For IPv4 we use: ip rule add from (ipv4 address) table 60 ip route -net (ipv4 address) mask (ipv4 mask) (interface number) How do I use the ip rule and ip route commands for IPv6 addresses?
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2answers
41 views

How to make sure that repositories added to Linux Mint are safe and secure [closed]

I’m using the latest version of Linux mint which based on Ubuntu, I have installed many programs by adding a new repository to the list of checked repositories. Now I’m worried of how safe these ...
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0answers
43 views

How to install Windows 7 to an USB HDD from Linux? [duplicate]

I'm trying to install Windows 7 from a CD to a HDD connected via USB. Windows complaints about not being able to install itself to USB-connected drives. All guides I found involve downloading a set of ...
1
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0answers
10 views

Installing RHEL 7 and can't make partition while on dual boot

I've problem while installing RHEL 7 with dual boot. Windows 8.1 pro already installed and try to install RHEL 7 but while on partition segment I can't see unallocated space which was more than 100GB, ...
3
votes
2answers
631 views

What is Sysrq+J “Thaw frozen filesystems” and why it fails?

Is it expected to unfreeze processes that are in uninterruptible sleep because of filesystem issue (NFS, FUSE, bug)? If I press Sysrq+J on my Linux, it halts the system and prints "Emergency Thaw on ...
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0answers
22 views

a program that gives the user the opportunity to remove any or all of the files in a current [closed]

someone help me on how to Write a program that gives the user the opportunity to remove any or all of the files in a current working directory. The name of the file should appear followed by a prompt ...
2
votes
1answer
67 views

Invert screen colors by *value*

How do I invert screen colors by value? The most common way to invert colors is to use RGB-negation. Unfortunately, it's not very beautiful: blue becomes yellow, green becomes magenta, etc. What I ...
0
votes
1answer
3k views

Ethernet issues in Linux mint.

After a hardrive crash I installed mint 17 LTS with many attending woes related to lack of drivers (two of my 8 usb ports can actually recognize devices plugged into them). I'm currently attempting to ...
0
votes
1answer
18 views

Appending (via rename?) `.bad` to files identified by `tests/test_.*`

What do I want? Given the following directory structure: . ├── bar.py ├── hap │   ├── bla.py │   └── tests │   └── test_hap.py └── hip ├── testimony.py └── tests ├── foo.py ...
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0answers
10 views

Gnome 3: when re-attaching secondary screen, why is it fuly dimmed?

When detaching my laptop from it's external monitor, lwandering around, and then re-attching it, even when it reboots, it recognizes fine that I previously set the external Monitor as primary, but it ...
52
votes
4answers
3k views

How does /proc/* work?

There are many files in /proc, like /proc/cpuinfo, /proc/meminfo, /proc/devices and so on, which, when opened, return system information. These files do not seem to have any existence in reality, as ...
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0answers
18 views

Plain remote Linux desktop on my VNC Viewer?

So for some reason my VNC Viewer is not showing any desktop icons on the remote Linux. I remember it first happened after I clicked on the button "Quit this session". I am using putty as a terminal ...
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0answers
31 views

Systemd docker container service does not work with CentOS 7

Here is the service (/etc/systemd/system/docker-mysql.service): [Unit] Description=MySQL container Author=Me After=docker.service [Service] User=root Restart=on-failure RestartSec=10 ...
7
votes
3answers
196 views

How to set up a wireless server, allowing access to files on computer, without offering Internet?

I would like to pull into a truck stop and offer a folder of free documentaries, broadcasting from my bus. I have a bunch of videos in a web folder and can access it locally and would like others to ...
0
votes
3answers
3k views

Dual booting windows 8 and Kali Linux 1.0.8

I'm trying to install kali linux along with windows 8 The latest Kali version (1.0.8) supports booting alongside windows 8 I installed Kali Linux from a LiveCD, rebooted and it went straight to ...
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0answers
4 views

Plain (remote) Linux desktop on my VNC Viewer?

So for some reason my VNC Viewer is not showing any desktop icons on the remote Linux. I remember it first happened after I clicked on the button "Quit this session". I am using putty as a terminal ...
0
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0answers
17 views

Mouse issue with Synergy and dual monitor on Linux client

I have 2 laptops, one Windows 7 machine and one Ubuntu 12.04. Both computers have secondary monitors above each computer. The Windows machine is the Synergy server. I can move my mouse to both ...
0
votes
3answers
2k views

Unable to connect to samba shared folder via windows

im new to linux and Samba. Aim Create a called Shared_folder which can be accessed by ALL users (group name = users). Therefore, in order to map the drive in windows, the user is promoted to enter ...
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0answers
10 views

Xmodmap ignored in Firefox, revisited

Related posts, but no solution: http://stackoverflow.com/questions/20386403/xmonad-xmodmap-changed-tab-to-alt-gr-but-it-doesnt-work-on-firefox-or-thunderbi Iso_level3_shift key not working in Firefox ...
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0answers
6 views

Auto detach after auto connecting in irssi

I have irssi auto connect to a channel and send a message to auto connect which works. But for some reason the detach command (ctrl-a + d) does not detach the screen anymore. Is there a setting for ...
9
votes
4answers
14k views

Sending file via netcat

I'm using something like this to send file from one computer to another: To serve file (on computer A): cat something.zip | nc -l -p 1234 To receive file (on computer B): netcat server.ip.here. ...
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0answers
8 views

RHEL 5 box constantly displaying NIC statistics on console screen, how can I disable this?

I have a RHEL 5 box that is constantly displaying nic statistics on the console screen when using the KVM. This makes it very hard to do any troubleshooting when the box goes down as these statistics ...
4
votes
3answers
3k views

how to remove all files that created n minutes ago in linux

I guess in most cases when extracting a tar achive ,we will get a directory with the same name as the archive file but different suffix. but in some unlucky case, as I met today, after extract a tar ...
0
votes
1answer
16 views

Aptitude aborts automatically after running resolver

I'm having some issues with aptitude. I'm attempting to install all the fonts available in the debian repos, but apt-get doesn't seem to like the command apt-get install ttf* (its conflict resolver ...
0
votes
1answer
34 views

How to find out who (what process) is starting another process?

So no matter how many times I kill exim4 it immediately comes back to life. I have stopped the service and everything but something is bringing it back to life and using it for spamming. How do I ...
0
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1answer
53 views

What’s eating almost all memory and swap in this Linux machine? (not buffers/cached-related)

I have a Linux machine that reports almost all of its memory and swap are in use, yet I can’t identify any processes using a significant amount of memory on the machine. We are running Linux kernel ...
2
votes
9answers
1k views

Command to search programs in Linux

Do you have any easy idea to define some alias in .bashrc for finding some command that you want to search (when you forgot its name) in your machine, visiting all "bin" directories, maybe using ...
0
votes
1answer
35 views

How can I clone an entire drive to a smaller drive w?

I have a 1TB hard disk which is set up as MBR with 3 primary partitions. The sizes of the partitions are exactly 250GiB, 250Gib, and 192GiB, respectively. The remainder of the drive is unallocated ...
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2answers
2k views

rsync fails after server restart

Usually I use the command rsync -av --delete someroot/somedir user@remote_server_ip:/someroot/. on my development server to synchronize somedir to a remote server. It worked fine. But after the ...
0
votes
1answer
30 views

Display Windows application via SSH X11 on Linux

Is possible to Run SSH server on Windows then make X11 connection forwarding enabled from Linux to this Windows and display Windows application on Linux?
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2answers
179 views

Sharing Windows clipboard with i3 in Virtualbox VM

I'm running a Sabayon Linux VM inside of Virtualbox 4.3. I have the guest additions installed, and when I run a desktop environment such as XFCE, I have bidirectional clipboard support (via ...
2
votes
3answers
4k views

Cant get squid proxy to work

i need squid proxy on my centos server. But i just can't get it to work. I did yum install squid. Here is my squid.conf file (i removed all comments): acl all src 0.0.0.0/0.0.0.0 acl manager proto ...
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0answers
19 views

labstreaminglayer missing liblsl32.so

After installing matlab, I tried to run the ReceiveData function, and it gives me the following message: Apparently the file "path/liblsl-Matlab/bin/liblsl32.so" is missing on your computer. ...
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0answers
9 views

umask linux incorrect file permissions

id buser - umask 0022 - group - appgrp directory /sample/sftp getfacl sftp # file: sftp # owner: appsdr # group: appgrp user::rwx user:590:rwx user:15003:rwx group::rwx mask::rwx other::r-x now ...
2
votes
3answers
2k views

how is the the linux console displayed to the user and how does the user go about changing the consoles display settings?

I've been searching for the last two days on trying to understand how the console displays itself to the user and how to change the console settings. I've had some luck along the way but nothing that ...
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0answers
24 views

Can't flash openwrt kernel on Mikrotik Routerboard 750

Im trying to flash OpenWRT onto Mikrotik RouterBOARD 750 and Im having some difficulties when trying to flash kernel. Im running OpenWrt form RAM right now. Even though, I erased kernel beforehand, ...
0
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2answers
66 views

Can't login through remote SSH with correct password

On a cPanel server, where SSH worked yesterday, I suddenly can’t login with SSH. I get “Access Denied.” I checked that logins with passwords are enabled in /etc/ssh/sshd_config and they are. I tried ...
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2answers
27 views

Connecting via SSH to machine without SSH server running OR how to reuse existing ssh conenction reverse

Let's say I have two machines: A and B. A has installed SSH server and client B has installed only SSH client Connection between both machines is working I know that I can issue following command ...