Questions specifically about Linux, as opposed to Unix-like systems in general, or to questions about a specific distribution or program.

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0
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0answers
2 views

Why Uninstalling certain program gives me error in dpkg manager

dpkg: dependency problems prevent removal of amarok-utils: amarok depends on amarok-utils (= 2:2.8.0-0ubuntu3). dpkg: error processing package amarok-utils (--remove): dependency problems - not ...
0
votes
1answer
9 views

I have to run `startx` on boot to have a window manager, how can I fix this?

I've had Debian Wheezy for a long time and decided to upgrade yesterday to Jessie, a few things I did wrong, I ran autoremove because I was careless and a few things happened. 1) I have to run startx ...
0
votes
1answer
576 views

VPN Setup Errors

I'm trying to install a VPN on one of our servers for use within my campus so that we can play some games, but I appear to be getting errors when I try to connect, as shown below. Not quite sure about ...
5
votes
1answer
1k views

Eye-FI SD Card not working with inbuilt card reader

I am tring to get my cardreader to work with and eye-fi SD card. My System is as follow: #uname -a Linux computer 3.2.0-0.bpo.2-amd64 #1 SMP Thu Mar 15 20:46:44 UTC 2012 x86_64 GNU/Linux Debian ...
-1
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0answers
9 views

Partition suggestions for dual boot 2 different linux distros?

I want to partition my hard disk manually for installing more than 1 os. (2 different distros of linux). I am using Gparted to do the job. My Hard drive is 1 TB or 1000 GB. My first partition was ...
0
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0answers
3 views

how to configure codeigniter based website for password protected apache basic auth codeigniter

Actually I want to 'password protect' my website as its still in development. My requirement is simple if anyone try to access my site http://xxxxx.com it should prompt for password (Basic apache auth ...
10
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4answers
3k views

Tool for measuring entropy quality?

Is there a tool available for Linux systems that can measure the "quality" of entropy on the system? I know how to count the entropy: cat /proc/sys/kernel/random/entropy_avail And I know that some ...
-1
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0answers
5 views

Replacing Android Binder with kdbus

I read this article on lwn mentioning that the linux community may replace the Binder IPC mechanism in Android with kdbus. I wanted to ask from anyone with knowledge about these IPC mechanisms: what ...
4
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2answers
117 views

What is the difference between “inode size” and “Bytes per inode”

Below information is taken from man page,I would like to know the difference between bytes-per-inode and Inode-size? -i bytes-per-inode Specify the bytes/inode ratio. mke2fs creates an inode for ...
0
votes
1answer
25 views

Alternative to ffplay for Raw Video Playback without X Windows

I am successfully capturing frames from a small USB IR camera on the small Raspberry Pi Linux board. I am using the 'libseek' code to do this: https://github.com/zougloub/libseek I can see alot of ...
28
votes
4answers
21k views

How to display meminfo in megabytes in top?

Sometimes it is not comfortable to see meminfo in kilobytes while you have several gigs of RAM. In Linux it looks like that: And here is how it looks in Mac OS X: Is there a way to display ...
0
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0answers
17 views

trouble booting from cd on very old computer [on hold]

I've been trying to boot from a windows 98 boot cd. I start the computer and get press to boot and press f1 to enter setup. I go into setup and set the cd to boot first. But still I don't notice any ...
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0answers
22 views

Reading the program header contents of an ELF file

How is it possible to extract loadable program headers individually from ELF files? By examining a binary using readelf one can get output similar to: $ readelf -l helloworld Elf file type is EXEC ...
0
votes
0answers
24 views

Warnings/Errors when running clamav/clamscan, scanning 3TB hard-drive

Questions: What am I doing wrong here? What do those errors and warnings mean? Is there a fix for this behavior? My case: I've been trying to scan two 3TB hard-drives with clamscan for a week now ...
1
vote
1answer
24 views

Can't access my apache server from outside LAN (Raspberry Pi)

I know this question was asked a lot, but unfortunately none of the posts really helped.. I'm trying to set up an Apache server on my Raspberry Pi. I managed to set it up correctly I think, but I ...
1
vote
1answer
1k views

How to access u boot environment from linux?

How can I access and change the u-Boot env variables in linux. Using the u-boot/tools/env directory in u boot directory: u-boot$ make env Which created the executable file fw_printenv. I copied ...
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0answers
29 views

tail command doesn't work for heavy files?

I have NAS reindexed log which is almost 6GB. Output is human readable and text format. When i use tail -100f filename.txt It doesn't show anything. I though it was due to file size is ...
9
votes
3answers
16k views

Resolving MAC Address from IP Address in Linux

I need to write a bash script wherein I have to create a file which holds the details of IP Addresses of the hosts and their mapping with corresponding MAC Addresses. Is there any possible way with ...
1
vote
1answer
21 views

Linux boot hangs: [Firmware bug] ACPI: No _BQC method, cannot determine initial brightness

I have an old Win XP NEC laptop and I tried to boot a live usb with Lubuntu 14.10 to install Lubuntu, but when I tried to boot the live USB, after about a minute the boot process hangs at a line that ...
0
votes
1answer
22 views

U-Boot Bootup error

I'm running a Debian Linux on a Cubietruck, running off a SD card. When I power on, I get the following error: Booting kernel from Legacy Image at 46000000 ... ...
0
votes
1answer
14 views

Error I get when I try install IDE Anjuta

sudo apt-get install anjuta Error I get while installing the IDE. What is this error about? However, I am able to successfully install the IDE Unknown media type in type 'all/all' Unknown media ...
2
votes
1answer
59 views

bash: how to save state on prompt evaluation

I want to put duration of last running command in command prompt, f.ex: user@host$ sleep 360 6m user@host$ Also, I want duration to not show up if it is less than some minimum threshold (say 30 ...
2
votes
1answer
57 views

sudo -i returns an error

When I try to switch to root using sudo -i i get the error /var/tmp/sclDvf3Vx: line 8: -i: command not found... However, su - works which I will continue to use. I'm by no means a linux system ...
0
votes
1answer
23 views

Correct way to delete unnecessary files from /boot directory (Ubuntu)

Currently there is not enough space on by /boot partition/folder and the sofware update can not be performed. Question: how should I correctly free-up some space in that directory? Here is the ...
0
votes
1answer
29 views

Problems in using GRUB2 - Manjaro

I hope you are well! I use Manjaro x64_86, using GRUB2 and EFI. I made a large error after coming home from a night shift. I accidentally removed my boot partition when attempting to format an ...
11
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3answers
2k views

What file systems on Linux store the creation time?

Are there any (good known, reliable) file systems on Linux that store the creation time of files and directories in the i-node table? If there are, is the "changed" time replaced by the creation ...
-1
votes
1answer
39 views

Erratic behavior with gzip on unix

I am compressing log files daily and very recently I have been seeing some crazy results on the file type of the file after compression. Normally you would expect file filename.gz returning gzip ...
0
votes
1answer
4k views

rsh shows “poll: protocol failure in circuit setup”, why?

In the starting rsh worked properly, but after making some changes it shows some error [changes are shown in the end of this question, see that], I am sharing the same. Command $ /usr/bin/rsh ...
0
votes
0answers
7 views

Fast TSC calibration failed in TAILS whch pauses boot

I have several flash drives which have TAILS installed onto them. I have tried to boot from each of them, both on safe mode and off of safe mode, and I get a "Fast TSC calibration failed" warning ...
3
votes
1answer
27 views

Change the root password of a Linux image

I'm building a jessie build of Debian. Passwords are saved in /etc/shadow in the build tree, but they are salted obviously so I cannot change it just by editing the file. If this was my installed ...
1
vote
1answer
678 views

Adding multiple user with shell script on Ubuntu

Can someone help me in providing me the shell script for creating multiple users on Ubuntu. Password needs to be different for each user. Thanks in advance
0
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2answers
30 views

selectively moving partially matched files to different directories

I am working in linux server where a parent directory I has 100s of partially numbered files, e.g GGG12345_abb.txt GGG12346_abc.txt GGG12347_cbx.txt . . GGG19045_jha.txt each of which is ...
5
votes
6answers
13k views

Change the number of the partition from sda1 to sda2

I have a disk with two partitions: sda1 and sda2. I would like change the number of sda1 to sda2 and sda2 to sda1. It's possible but I don't remember the procedure. i.e. My first partition will be ...
2
votes
2answers
59 views

Print file contents and delete the printed content* from the file

In Linux, from a bash shell, how can I print the contents of a file and remove the content I just printed content from the file? I have a program writing texts to a file repeatedly. On a Linux shell ...
26
votes
6answers
41k views

How to find creation date of file?

I want to find out the creation date of particular file, not modification date or access date. I have tried with ls -ltrh and stat filename.
0
votes
1answer
16 views

Debian E: unable to locate package [duplicate]

I am attempting to install the lxdm package for debian (wheezy). Running apt-get update does not yield any errors, and my sources.list file is as follows: deb http://ftp.us.debian.org/debian/ wheezy ...
0
votes
2answers
26 views

Is there any disadvantage of executing a shell script using nohup?

To execute a shell script in background and without an interruption, we use nohup command. For example: $nohup mytest.sh & Press ALT Press Enter Is there any drawback or disadvantage of this ...
2
votes
1answer
32 views

User without a password - how can one login into that account from a non-root account

I have just started to use Scientific Linux (7.0) (although I assume this question might be distribution neutral..). The kernel version is 3.10.0-123.20.1.el7.x86_64. Coming back to my question. I ...
3
votes
1answer
454 views

Turn system on by USB keyboard?

To hibernate my Debian Wheezy system, I run the following command: sudo sh -c 'echo disk > /sys/power/state' To wake up the system, I can press any key on my USB keyboard. My understanding of ...
6
votes
1answer
3k views

What happens when your password expires and you're using key authentication?

on one of the boxes I don't control at work I use ssh keys to log in. Our passwords are set to expire after a few months. What happens if I don't reset my password and it expires? will I still be able ...
2
votes
1answer
21 views

How to make sshd listen to two ports, but restrict one of them to a single source address?

I need sshd to listen both on port 22225 (allowing connections on that port from any IP) and port 22 (allowing just a single static IP on that port). In other words, listen on two ports at the same ...
0
votes
0answers
15 views

Map characters to key-combinations

Is there a way to map special characters to the keyboard, using a combination of keys? For example, having Alt+A print out a Greek alpha letter, or having Alt+⇨ print out an implication arrow.
0
votes
0answers
11 views

Java JRE 6 installation

I installed Java 6 (jre-6u45-linux-x64.bin) on a Ubuntu 12.04 machine following the procedure from this link: http://ubuntuforums.org/showthread.php?t=1904467. When I later installed Java 7 and ...
2
votes
4answers
44 views

Does the inode change when renaming or moving a file?

in PHP the fileinode() functions returns the inode of a file. I was wondering if I can use it to determine if a file was renamed, moved or modified. I did some tests and it seems the inode stays the ...
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votes
3answers
37 views

what is the difference between “ssh user@ip” and “ssh ip user”?

I am facing problem with one of the above. Only ssh user@ip works not the other way round. And I am getting the following error when I run ssh ip user sh: root: not found Because of this I GUESS ...
0
votes
2answers
27 views

output in iptables

I have added the rule to iptables file, however the command does not show it. $ sudo less /etc/sysconfig/iptables Generated by iptables-save v1.4.7 on Fri Oct 24 13:28:48 2014 *filter :INPUT ...
9
votes
7answers
30k views

Problem to launch java at Debian: “error while loading shared libraries: libjli.so”

I'm trying to launch java: $ java -version java: error while loading shared libraries: libjli.so: cannot open shared object file: No such file or directory $ ldd ...
0
votes
1answer
1k views

Mint 15 on Lenovo G700: wired internet not working (Atheros QCA8172)

Mint 15 doesn't see internet after installing it in dualboot with windows 8 (in Windows internet works well). My network card is Qualcomm Atheros QCA8172 Fast Ethernet (rev 10). What I did: Install ...
0
votes
1answer
35 views

Is it possible to access to the framebuffer in order to put a pixel on the screen from the command line?

I am not sure if it is the only possible way, but I read that in order to put a single pixel onto the screen at a location of your choice one has to write something into a place called framebuffer. So ...
1
vote
1answer
27 views

Monitoring tool without web interface

I need to monitor a Linux server. I'm searching for a monitoring tool able to store system information (CPU, RAM disks usage, Apache and Postfix status, etc.) throughout the day and send an email ...