0
votes
0answers
113 views

Fan Controll for bsd

https://wiki.archlinux.org/index.php/Fan_Speed_Control is there such a thing like that for freebsd?
6
votes
3answers
1k views

Is it possible to match multiple specific line numbers (not range) with sed?

Consider: echo -e "a\nb\nc\nd\ne\nf\ng\nh" | sed '3,5a test' This will match lines 3, 4 and 5. But I am trying to match only lines 3 and 5 (not 4). And append 'test' after them.
0
votes
1answer
358 views

Custom command wget without response

I have an arduino with an ethernet shield that is controlling a relay, which control the lights. I usually just use the phone to send a http get request from a widget in tasker, but I would like to be ...
1
vote
4answers
369 views

How can I list the second to last word found in a sequence of statements in awk

My file is written like: apples,oranges,berries,cherries beer,wine,shots chocolate,icecream,cake,muffins cherries,guacamole,lychee I need to output the second to last word in lines that contain ...
1
vote
1answer
172 views

How to compile a Debian package from source?

Newbie Ubuntu user here... I use a tool called YUMI to create a USB boot device. Its Debian package and its source can be downloaded from http://www.pendrivelinux.com/yumi-multiboot-usb-creator/. I ...
7
votes
2answers
21k views

In bash script, how to capture stdout line by line

In a bash script, I would like to capture the standard output of a long command line by line, so that they can be analysed and reported while initial command is still running. This is the complicated ...
3
votes
1answer
3k views

Is there a way to change a device id in /dev/disk/by-id?

I have a S2 SAMSUNG 320GB USB-HDD which I use in both Ubuntu 13.10 (Kernel 3.11.0-17-generic) and Fedora 17. It works fine; I can read/write from/to them. Although, I am experiencing an issue with a ...
1
vote
2answers
5k views

Use sed to replace line of text with new line including variable

I was looking at this solution: Using sed to edit lines in a file with a variable and tried to apply it to my situation, but I have only recently discovered sed and haven't got the hang of it yet. If ...
2
votes
1answer
415 views

Compiling Linux kernel for a router [closed]

I want to make an installable linux kernel that has routing enabled already. So anyone can install it on their machine, do some configuration as required, and machine will work fine for their routing ...
5
votes
5answers
350 views

Automatic transformation of newlines in shell variable assignment

This came out of one of my comments to this question regarding the use of bc in shell scripting. bc puts line breaks in large numbers, e.g.: > num=$(echo 6^6^3 | bc) > echo $num ...
1
vote
3answers
2k views

Kernel Configuration: Which Processor Family to choose for 'Celeron M CPU 420' (Core Solo)?

I am trying to build custom kernel (version 3.12.13) for my old laptop and I am unable to determine the Processor Family from the provided list. ( ) 486 ( ) 586/K5/5x86/6x86/6x86MX ( ) Pentium-...
0
votes
1answer
147 views

Testing a Linux router on Laptop with one NIC [closed]

So, I have these instructions on converting my Linux machine to a router using (enable IP forwarding, NAT). Now my laptop has only one NIC and I want to test this setup. Any ideas how I can do this? ...
1
vote
1answer
71 views

Assistance applying poorly packaged patches?

I manage a handful of servers running the various roles of a Ahsay online backup solution. A few times a year the software is updated and I need to apply patches on my servers. Annoyingly the ...
1
vote
3answers
164 views

Consistency in default installation directories

I am very new to Linux (Ubuntu 13.10) and having difficulty understanding the file system, particularly with regards to installing applications. In Windows, when I installed an application, it put the ...
1
vote
1answer
116 views

Embedded Linux Power Failure Issues

Many routers run a Linux OS and abrupt power failure can happen. Considering this - how do they handle the possibility of file system corruption caused by a power failure? If they make the system read ...
78
votes
3answers
284k views

How to permanently set environmental variables

My variables are LD_LIBRARY_PATH=/usr/lib/oracle/11.2/client64/lib ORACLE_HOME=/usr/lib/oracle/11.2/client64 How to save these variables permanently ?
3
votes
0answers
892 views

Unable to close a Luks partition

For backup purposes, I have "snapshotted" a LVM partition. This partition was crypted so I have opened this Luks partition (snapshot) in order to do my backup. The problem is that I have forgotten to ...
-1
votes
1answer
57 views

What is a file? [closed]

I thought that the file is a reserved place on disk and it is a Record collection but i found that it is a wrong definition because the empty file capacity is 0kb so it can't be a reserved place on ...
2
votes
1answer
935 views

Webserver establishing new outgoing connections from port 443

I've been trying to configure the firewall on a webserver running Apache using iptables commands. I took the approach of blocking all outgoing connections, except for those that are required. ...
1
vote
4answers
1k views

Pattern Matching and Delete the whole line

I want to delete all the Lines of File 1, if Column1 of File1 matches exactly with Column 1 File2. File 1: r001:21:10 21 AAAAAATTTGC * = XM:21 r002:21:10 21 YAAAATTTGC * ...
0
votes
2answers
1k views

Boot the Arch Linux installation USB media on Dell XPS 13 (L322X) UEFI

this is my first attempt to install Arch Linux on my Dell XPS 13 (L322X) laptop in UEFI mode. I've dowloaded "archlinux-2014.02.01-dual.iso" and written to my USB pen drive with the dd way. I boot my ...
1
vote
0answers
23 views

Encrypted file system on external storage [duplicate]

I use archlinux and manjaro. I recently bought an external 2TB toshiba stor.E canvio, and I planned to use it as back up. I used gpt layout and partitioned it with luks and ext4. Dolphin reports 6% ...
1
vote
0answers
388 views

How is a username determined and can I hide the domain component in a winbind username?

Someone asked a question on Server Fault about a problem which I'm also having but no one has answered it so I'm posing a slightly different question to try and figure it out myself. I've configured ...
6
votes
4answers
6k views

Random restarts caused by a machine check exception

My laptop restarts randomly about twice a day. It shows the following error log before the restart. . Unfortunately I don't have an idea how to decode the Machine Check Exception (MCE). mcelog --...
2
votes
0answers
150 views

Why does the kernel boot faster with less memory allocated?

This is not a important question, I'm just curious. Something strange happened, which isn't quiet clear to me: In the kernel command line, the amount of the memory can be set statically with the mem=...
3
votes
3answers
826 views

Unicode text doesn't appear correctly in shell

I'm using the terminal in Kali Linux and I try to type Arabic text the characters are shown but separated (appearance not correct) This what my shell shows me ex. لا ا ل ه ا لا ا ل ل ه, which should ...
0
votes
1answer
319 views

Re-installing Fedora 20: are automatic partitions safe to use?

I intend to re-install Fedora 20 on a new computer as I am having a lot of trouble with the installation done by the vendor of the computer. It is a dual boot machine with a small Windows XP3 ...
3
votes
1answer
2k views

Memcache 'stats' reports non-zero 'curr_connections' - but lsof shows no socket connections

Our memcache daemon reports non-zero 'curr_connections'... $ telnet memcache-server 11211 Escape character is '^]'. stats ... STAT curr_connections 12 ... ...and yet, lsof shows no socket ...
0
votes
2answers
48 views

Shell script to format logs

Requirement : I need to write a script to find out for which API the request has been sent but no response received. Given below is an example of the logs i'll be working with. 2014-02-28 12:06:16|...
1
vote
2answers
469 views

Why are bash tests so picky about whitespace?

As a primarily Java programmer, I find the bash if-then construct quite confusing, especially regarding whitespace. Can anyone explain why the first one works, but not the second or third? #works if [...
1
vote
0answers
392 views

Font rendering - weird artifacts in gnome shell rendered texts

I'm using a unpatched freetype (recompiled to enable subpixel-rendering) on Fedora 20 to render fonts. I used to use the Infinality patch-sets but did away with that recently because it feels very ...
0
votes
2answers
363 views

How to extract submatches from a string and write those to a file?

I want to parse a string for specific submatches and output those - one submatch per line - into a file. Essentially I would like to extract the value of each href-attribute: $ cat Fin <a href="a....
2
votes
2answers
3k views

Move /var to different partition

My disk space on the / partition is very limited. As there are other partitions available I'd like to move /var to /differentPartition/var. The simplest solution coming to mind is just moving the ...
0
votes
2answers
413 views

How can I replace the default kernel with an earlier kernel?

I am working on petalinux, Linux for xilinx FPGAs. The source code is here This Linux is having 3.x kernel, and I have been asked to change the kernel to some earlier release version. What are the ...
2
votes
2answers
2k views

How to close all apps before X-server goes down?

I'm using debian testing OS and openbox WM. Moreover, I start X-server via the .xinitrc file, which has the following content: xrdb /home/morfik/.Xresources exec ck-launch-session dbus-launch --sh-...
2
votes
1answer
437 views

Wireless network AND dhcp wired server

I have an ubuntu server, which automatically connects to a wireless network on startup. This is achieved through /etc/network/interfaces: auto lo iface lo inet loopback auto wlan0 iface wlan0 inet ...
3
votes
1answer
3k views

Reproduce the “--max-depth=” switch for disk-usage command on AIX

When I work on Linux/GNU distro environment I often use that wonderfull command du --max-depth=1 / That gives you the size of each folder in your root directory. Today I work with AIX and ...
1
vote
0answers
246 views

Wine and mime type association backup and restore

I'm going to replace Ubuntu with Arch Linux on my laptop and I want to reformat it. But I want to save ma wine prefixes as I have installed some windows programs that I need. I have gzipped my .wine* ...
1
vote
2answers
698 views

confusion about mount options

I feel confused about mount options such as: --bind, --make-unbindable and --make-shared and could you please help me explain the below commands? sudo "mount --bind #{vm_bind_mount} #{vm_bind_mount}" ...
2
votes
1answer
2k views

How to apply du (f.x.) to all sub directories except for some of them?

./a |-/bx1 |-/by2 |-/bz3 |-/bx4 |-/by5 Now I want to apply du to all sub-folders except for /by2 and /bx4. I can make it happen for one folder: du --max-depth=1 --exclude=./by2 but not for ...
2
votes
1answer
621 views

Creating a linux user with limited privileges for ssh tunnelling

I am following this post to create ssh tunnel to mysql. The details description of my application scenario is given in my other SOQ. I exactly followed these steps to create a user: useradd -s /bin/...
0
votes
2answers
655 views

Using grep to find first two numbers of IP addresses?

I'm trying to figure out how to use grep to pull out only the first two numbers of an IP address in a list. I've got a routine that is isolating the log entires (from Exim) that I need, now I just ...
2
votes
1answer
973 views

debian: remove all packages installed on a specific day

I have to remove all packages installed on a specific day. My solution is to look up the file /var/log/dpkg.log, find out the entry with the right date, extract the names of the packages and remove ...
0
votes
1answer
58 views

text replacing in data file with peculiar spacing

I have a text (.qdp) file with many data stored. In some rows, the data are too many to be on just one line. Then, the program that saves the data, use a minus sign (-) to go on the new line, and ...
1
vote
1answer
177 views

sending mail using telnet [closed]

I'm trying to send mail via the telnet command. I've looked at several tutorials online to use telnet <servername> 25. But I've tried telnet mail.aol.com 25 and it gets stuck on trying <...
1
vote
1answer
296 views

Understanding ls -l output

When I run ls -lrt command on a Unix folder , I get the following output MyServer> ls -lrt total 10 drwxr-x--- 3 UnixUser other 512 Jul 22 2011 FolderA lrwxrwxrwx 1 UnixUser other ...
3
votes
3answers
20k views

How can I remove the text from a line after a certain character with awk

How can I use awk to remove all text after a certain character ";" that appears on every line of my text file? (I then need to run for loops on the text) Jenny,Sarah,John;North Dakota Henry,Frank;...
1
vote
1answer
358 views

How can I find out what options sudo is configured with?

Often when debugging issues with sudo I'll look at the options in the configuration file /etc/sudoers. However it can be difficult to know what options are enabled by default, since they're built into ...
1
vote
0answers
352 views

Ulimits and pam modules

Can you explain me the relation of ulimit setting on a proccess and line session required pam_limits.so in pam module. In wich modules i really require this line? I have this line in pam.d/su ...
0
votes
1answer
681 views

Dell D610 6.5 CentOS Installation - Undetected Network Adapters

I've spent the better part of the day attempting to install CentOS 6.5 on an older Dell D610 laptop, using everything from a Minimal Install to the Full DVD. After multiple attempts I was able to ...

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