1
vote
0answers
373 views

X high CPU when using Java applications

Only recently, my Freemind program has become extremely sluggish and unresponsive (big lag) when moving my mind map around. I use Arch Linux with xfce4. Freemind is made with Java. If I move the mind ...
5
votes
0answers
596 views

btrfs change after system upgrade broke apt-btrfs-snapshot [closed]

After upgrading (via apt-get dist-upgrade) a Mint 14 Linux box to Mint 15, apt-btrfs-snapshot seems to have stopped working: 18:25:48 [root@galaxy ~]$ apt-btrfs-snapshot list Sorry, your system lacks ...
6
votes
1answer
256 views

What is the meaning of this test expression []? [duplicate]

I've seen someone use command: ps -ef | grep [h]ttpd and Output is: apache 25125 31006 0 21:54 ? 00:00:00 /usr/sbin/httpd apache 26869 31006 0 22:04 ? 00:00:00 ...
0
votes
3answers
3k views

run file from different directory [closed]

I have a directory mainfolder with a subdirectory execution which contains a configure script. I can switch to the execution directory and run ./configure and it works fine. Now I'm trying to figure ...
6
votes
2answers
4k views

Closing all Nautilus windows from terminal

How can I close all opened Nautilus (explorer) windows from the terminal?
2
votes
2answers
4k views

Git pull error libcurl.so.3 not found

I have a php script to git pull from my github repository set up in my webservice hook urls like so: <?php echo shell_exec('~/git/usr/bin/git pull 2>&1'); ?> When I open this script ...
4
votes
3answers
986 views

Securely feeding a program with a password

After understanding the problem with using a password in the command line, I need to find a way of feeding a program with a password without it being a problem (without the password being recorded ...
3
votes
1answer
339 views

Having trouble with LVM snapshot

I have a funtoo linux machine which I am trying to add ubuntu to (thats a whole other issue). It is encrypted with luks and has lvm on top of that. I have a 2 TB harddrive (sdb) which I would like ...
2
votes
0answers
35 views

why bash history overlap the prompt when scroll up in the history? [duplicate]

I customized my bash prompt, PS1 value. ~/.bashrc: Color_Off='\e[0m' # Text Reset BGreen='\e[1;32m' # Green BPurple='\e[1;35m' # Purple BWhite='\e[1;37m' # White ...
1
vote
1answer
144 views

Command “I'm” on linux ubuntu [closed]

I'm new at linux, ubuntu, and I did type I'm running and then like if it was a program or something else, I was allowed to write more... nothing else... I just want to know more about this command ...
3
votes
1answer
1k views

Network file-sharing between Linux and Android

I want to share the contents of my external HDD with my Android phone. For the last two hours, I've been trying to correctly set up Samba - it was absolutely horrible. There must be another, simpler ...
2
votes
1answer
5k views

openssl-1.0.1e compiling on Debian

I am compiling OpenSSL-1.0.1e on Debian Lenny (armv4 architecture). I have been following the instruction on http://www.linuxfromscratch.org/blfs/view/svn/postlfs/openssl.html to compile the source ...
2
votes
1answer
2k views

Fixing Lilo with uefi system and no optical drive

Recently I have been trying to boot into Slackware on a new laptop that came pre-installed with Windows 8. I have successfully installed Slackware and Lilo, but I have had great difficulty trying to ...
4
votes
2answers
524 views

How Do I Block Read Access to a Symbolic Link?

I have this file structure: > APPLICATION 1 >> CONTROLLER (@JuniorProgrammers) >> MODELS (symlink to SHARED/MODELS) >> VIEWS (@Designers) > APPLICATION 2 >> CONTROLLER ...
29
votes
3answers
3k views

Why shouldn't someone use passwords in the command line?

Why do people fear writing passwords in the command line? The history file is located in ~/.history, so it's available only to the user who executed the commands (and root).
0
votes
1answer
424 views

Man displaying groff control characters

Man is displaying groff control characters after I compiled a later version of groff. For example, when I try to view groff's man page: GROFF(1) General Commands Manual ...
7
votes
2answers
2k views

Find/ls caching

It seems as though the first time I run find or ls on a directory, it takes a while to work. But, each time thereafter, it is fast, as though a list of the directory's contents has been cached or ...
2
votes
1answer
146 views

What are some of these directories in the Linux kernel src?

When I uncompress the Linux kernel source code from Kernel.org, there are many folders. I know what most of them contain and their purpose. However, I cannot figure out or find on the Internet the ...
1
vote
2answers
5k views

No space left on device / No Inodes free OR used / Double mounting

For about a day now I can only create/cp/mv (through terminal or various GUI programs) files on my FAT16 formatted USB stick, of about a few bytes. Doing so with larger files reports cannot create ...
0
votes
1answer
105 views

How can I use a variable from a script?

A bash script is running as I defined it in Startup Applications. It is possible to display on terminal a variable used in that script? If yes, how?
2
votes
1answer
296 views

mpd daemon prematurely ending jobs

I am a little out of my depth here so bear with me. I am trying to configure mpirun and mpiexec to run software called Materials Studio on a 1 node, 2 processor, 12 core cluster. The submission scheme ...
2
votes
0answers
285 views

npm issues with uglify-js

I'm trying to use node.js to run a project on my Raspberry Pi (following this guide: http://blog.donaldderek.com/2013/06/build-your-own-google-tv-using-raspberrypi-nodejs-and-socket-io/ ) and I've run ...
1
vote
0answers
96 views

ATI Graphics in Slackware not working at command line

I installed ATI radeon's proprietary drivers on Slackware. Prior to install: Output from boot process displayed fine on HDMI out, and upon logging out, I returned to the command line just fine. But ...
2
votes
1answer
914 views

Debian installation has no uucp user - how to create

I have just installed Debian Squeeze x64 and tried sending myself a test email from it using the normal "mail" command. When I sent it I got this error from Exim: 2013-06-08 08:12:46 Exim ...
3
votes
1answer
405 views

Need script: latest JPEGs to video, then delete old JPEGs

I have an IP cam which uploads JPEG pictures to an FTP folder on my Arch Linux box whenever it detects movement in the room it is looking in. It uploads a JPEG every second until all motion activity ...
5
votes
2answers
832 views

Why do systems become slow when doing massive writes to disk?

I want to know why systems become slow when writing mass data to disk. I think that for system to become slow, there should be some issue with CPU. But write is only I/O bound. Do hardware ...
3
votes
1answer
1k views

UNIX-, BSD-, GNU-options in Linux's ps command. Where are they from? [closed]

In the manual for the ps command on Ubuntu there is this text: This version of ps accepts several kinds of options: 1 UNIX options, which may be grouped and must be preceded by a ...
7
votes
4answers
40k views

Fix “firefox is already running” issue in Linux

I am trying to open Firefox in CentOS, but I'm getting the following message: Firefox is already running but is not responding and Firefox doesn't open. I tried this in command line: kill ...
1
vote
1answer
461 views

Permission error to access mounted directory in localhost

OK, I formatted my flash to ext4 file system, changed all the permissions to 777 and mounted it to /var/www/html/web. Now, when i access localhost/web it gives the following error: "You don't have ...
1
vote
1answer
537 views

No wireless on my Dell Inspiron 1545 Ubuntu

I had installed Ubuntu 12.10 a few months back but never really used wireless device. I did use wireless before that when I had windows installed on my Dell, but then I switched to Ubuntu and the ...
1
vote
0answers
319 views

Can't see my ssd drive when booting using grub on a usb pen

I installed debian on my laptop and everything was fine (I may need to mention that I'm using LVM) until I reached the grub point. Since I have a GPT partition he refuses to install properly. I ...
0
votes
1answer
347 views

How to know which Linux kernel versions Qt 4.7 supports

I'd like to develop Qt 4.7 based applications running on my arm-linux MCU. However, I'm not sure if this Qt 4.7 supports the following two things: my Linux 2.6.37 kernel my Ti3530-cortexA8 MCU. I ...
4
votes
1answer
2k views

How can I tune Ubuntu for running from a flash drive?

I feel like this is a bit of a duplicate of this other question about making caching more aggressive, but I tried a lot of the suggestions there and I just can't figure out why I'm having trouble. My ...
0
votes
1answer
2k views

opkg can't find apache

I'm trying to get a LAMP stack running on my BeagleBone Black, but I'm getting foiled early: opkg can't seem to find the apache2 package. According to the Angstrom page, it should exist: ...
1
vote
1answer
119 views

How to find out which devices require manually installing a specific driver?

Most of time, you don't need to install drivers in Linux manually, since it already has it installed. But there must be some times when Linux does not have the right driver for a device. How can I ...
1
vote
1answer
21k views

How do you install/upgrade Intel graphics drivers on Mint?

I have only recently begun using Linux as my primary OS on my laptop. I previously ran Windows 7 on it, which generally had decent performance in 3D applications. However, I've noticed a considerable ...
1
vote
1answer
639 views

since which version does linux kernel support multi touch screen?

I'm having a Linux 2.6.37 kernel on hand and I'd like to know if it support multi-touch screen. If so, I'd like to know since which version does Linux starts to support multi-touch and to what extend, ...
2
votes
3answers
158 views

Why are POSIX Find Parameters Different from Other Program styles?

Why is a parameter in the POSIX find command added with a single hyphen for multi-character parameter names, while most other programs use single hyphen to indicate multiple single-character flags, ...
2
votes
1answer
1k views

Can't edit /proc/sys/net/core/wmem_max [duplicate]

Recently my wireless network has being stopping to transfer data from some irregular time intervals that vary from 30 seconds to 20 minutes, and every time I need to plug off and then on the wireless ...
1
vote
1answer
486 views

RDP only Operating System

I am looking for an operating system where the login screen asks for a username and password for an rdp login prompt. I want an administrator to also be able to login to change the i.p. address for ...
1
vote
1answer
174 views

Samba: Sharing some folders without duplicate?

I keep all my Photos on my Share: //COMPUTERNAME/Photos In the Photos share, it contains all the years folders follow by album name, example: //COMPUTERNAME/Photos/2012/New York/ ...
19
votes
3answers
3k views

How does touch -t work internally?

How does touch -t command works exactly, internally (I tried to find its source code but couldn't)?
3
votes
1answer
1k views

How can I convert this bash function to the fish shell

I'm trying out the fish shell 2.0 to replace bash. I'm trying to convert the following bash function to a fish function, but its giving me hell. I have a several similar functions so if someone ...
0
votes
1answer
64 views

How can I setup mail server with ipv6, pam and db?

I'm looking for solution for a specific problem: I want to setup a good and secure mail server but I need ipv4 + ipv6, some kind of autouser mapping (if I add new user to machine, system should ...
0
votes
2answers
2k views

How to install MySql on Red Hat 6.1?

I am trying to install MySQL-server-5.6.12-1.el6.i686.rpm on a Red Hat Enterprise 6.1 server. I receive the following error: rpm -Uvh MySQL-server-5.6.12-1.el6.i686.rpm error: Failed dependencies: ...
7
votes
1answer
4k views

FreeBSD or PC-BSD?

After years of Linux I would like to give *BSD a try, but I'm uncertain if I should use FreeBSD or PC-BSD. With KDE out-of-the-box and graphical package-manager and such, PC-BSD strikes me as ...
2
votes
0answers
24 views

Setting up Helvetica with fontconfig? [duplicate]

I am running Xubuntu 12.04. I installed Helvetica and Helvetica Neue. For some reason, websites that use Helvetica Neue display fine, but those who use Helvetica have some issues... ...
10
votes
6answers
52k views

Using sed to find and replace complex string (preferrably with regex)

I have a file with the following contents: <username><![CDATA[name]]></username> <password><![CDATA[password]]></password> ...
5
votes
4answers
10k views

Bash - Multidimensional Arrays and Extracting variables from output

I am trying to do something simple however I'm not sure how to achieve my goal here. I am trying to extract the: USER, TTY and FROM values that are given by the w command on the console. In bash I am ...
2
votes
1answer
3k views

find/rename command doesn't work

I am using Linux Slackware 14.0, bash 4.2. Suppose, I have 2 files in the directory: bash-4.2$ ls 1.txt 2.txt I want to rename them to .svg. This answer is accepted and upvoted, so I think, it ...

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