1
vote
4answers
583 views

How to start line with command from output of another command

Sometimes the output of some command include other commands. And I'd like to start that command from output without using a mouse. For example, when command is not installed there is a message with ...
1
vote
0answers
102 views

How to set MSS manually for IPv6 in Linux?

Suppose I have a networking problem and try to debug it by setting the MSS manually to ex.: 1392. How can I achieve this permanently? I have a native IPv6 address. OS is Debian/CentOS
0
votes
1answer
313 views

Shell spawned backgrounded process is still hanging [closed]

It seems processes spawned after || make the parent shell hang with them. For example, do in your terminal $ cat <<"EOF" >/tmp/hello_im_still_here #!/usr/bin/env bash killall emacsclient ...
1
vote
3answers
235 views

What does xargs do if it's used without any parameter?

[user@notebook ~] echo -e '1\n2\n3\n4' 1 2 3 4 [user@notebook ~] echo -e '1\n2\n3\n4' | xargs 1 2 3 4 [user@notebook ~] My question: So xargs removes the newlines if it's used without parameters?
2
votes
3answers
109 views

How to start first command from the list printed by command 'history | grep something'

For example, I have the following output from command: loom@loom:$ history | grep MAKE 219 ../build.sh -DCMAKE_BUILD_TYPE=Debug .. 909 history | grep MAKE How to write a command, that start ...
3
votes
1answer
131 views

How does one determine the amount of space allocated to their command line?

How would one go about determining the amount of space allocated to their system for command lines. Is there anything else I need to be concerned with?
1
vote
1answer
272 views

SSH X11 forwarding put on a different monitor

Is there a way to use ssh and X11 forwarding with multiple monitors, such that one screen gets the remote session and one keeps the current session? Note: In case I didn't clarify, I meant forwarding ...
4
votes
1answer
438 views

How to reset linux centOS 6.0 keyboard shortcuts with custom changes to default one?

On Single Desktop Environment.... I created some custom shortcuts, but currently I want to revert all the changes to default settings (which having no custom changes). Example: created like CTRL + N ...
1
vote
4answers
861 views

Use awk to find all Ports for each IP that have https open

I'd like to print all ips (IP space Port) which have open https ports given a gnmap file. An example output for a line that has only https running on port 443: 123.123.123.123 443 A more ...
2
votes
2answers
1k views

List all GPG/PGP keys of a local SKS key server

We have set up a local SKS keyserver in my company. It seems it is only possible to search keys (either for a name, email or keyid). However, there are not so many users, so we would like to make ...
0
votes
0answers
38 views

Bash script to identify which init system the system currently using [duplicate]

I have to create a script that will mount my /usr folder as aufs. I compressed it using squashfs. I've managed to install a working systemd init in ubuntu which I am currently using. Because the ...
2
votes
2answers
5k views

Troubleshooting kernel panic — next steps after analyzing `crash` dump

I'm running an Ubuntu 12.04 machine with an Intel i7 CPU. Every now and then, it freezes up completely -- the machine and display stay on for a minute or so, the audio that was playing (if any ...
1
vote
0answers
163 views

How to upgrade Fedora OpenVZ container over SSH?

what is the standard procedure for upgrading Fedora (18 to 19) that runs as an OpenVZ container on my VPS via SSH? Can I simply use fedup or does the admin have to perform the upgrade from outside of ...
3
votes
2answers
447 views

How do you preserve a space in a literal expression in an array value in bash and how to trim down results from a sort command?

In the context of searching for expressions in log files, I was wondering generally if there was a way to quantify and qualify the contents of the logs in /var/log in some way. In particular, does the ...
4
votes
3answers
675 views

How can I make a keybind involving xdotool in Openbox?

I'm running Openbox 3.5.2 (on Lubuntu 13.10) by logging into Openbox session. In an Openbox session, if I run xdotool mousemove 1000 5 click 3 from a terminal, the mouse cursor moves to the specified ...
0
votes
1answer
212 views

Debian one time setup after reboot

I have a pre-configured server based on Debian with some services. I, now, need to deploy it in different networks. Is there any solution to run a one time script after reboot which asks some ...
2
votes
1answer
913 views

Debian package of Tomee plus

I'm looking for Debian package of Tomee plus but I have not found anything. Also, I would like to know if it is possible to download the package( on windows) then be installed on Debian or I have to ...
2
votes
1answer
363 views

Why is =sys-libs/glibc-2.16's --enable-kernel is ignored on Gentoo Linux?

I'm trying to build eglibc support for old kernels, 2.6.9 in this case. So I set NPTL_KERNEL_VER in make.conf, and during configuration phrase I can see the --enable-kernel=2.6.9 parameter But this ...
3
votes
1answer
1k views

Decrypt second encrypted LVM during headless server boot?

I've followed this question https://unix.stackexchange.com/questions/5017/ssh-to-decrypt-encrypted-lvm-during-headless-server-boot and successfully remotely decrypted my root drive. However, I have a ...
2
votes
4answers
176 views

Sorting records by field backwards (not top to bottom)

I have a little script which does a bunch of mounting in preparation for backing up, or which just shows you all currently mounted partitions. I've made it so that it will sort the output on several ...
0
votes
2answers
120 views

Configuration file for Virtual Console

Does any configuration file exist for virtual console, when a user logins in it which is read and executed ? My requirement: To execute some shell commands when a user logins using the virtual ...
4
votes
1answer
2k views

PHPStorm changes group when saving file

When editing a file with PHPStorm, the group is changed from www-data to my local user. I've added my local user to the www-data group, and if I edit the file with gedit/vim/etc. the group stays as ...
0
votes
2answers
228 views

Turning percentages into decimals?

I've got a CSV file that has percentages here and there expressed in text format, e.g. 173.91,0.00%,36.10%,1.71 Question of the day is how do I turn that example into 173.91,0,0.3610,1.71 Edit ...
7
votes
5answers
4k views

Using a generated list of filenames as argument list — with spaces

I'm trying to invoke a script with a list of filenames collected by find. Nothing special, just someting like this: $ myscript `find . -name something.txt` The problem is that some of the pathnames ...
2
votes
1answer
3k views

How to fix make error “No rule to make target 'menuconfig'” when building a kernel for Beagleboard?

The aim is to build and install the USB Video Class (UVC) module, via make modules_install. I'm trying to configure the kernel via make menuconfig on Angstrom distribution, running on BeagleBoard-xM. ...
0
votes
2answers
137 views

How can I use tee to print the input stream?

I have a pipe line that looks like this: cat myfile | awk '$3 > 0 { print $1, $2 * $3 }' | tee >(printf) | perl myscript.pl I would like to print the input to my Perl script using tee. How ...
4
votes
1answer
5k views

Make screen start as Daemon for a Minecraft server

I made a script that runs fine manually, but can't get it to run with the description in How to start a script file on boot?. I have run update-rc.d -f minecraft.start defaults This is what my /etc/...
1
vote
1answer
68 views

Are partition tables always required? [duplicate]

So I have a home server with 4 hdds: hdd1: 60Gb (SSD - OS drive) hdd2: 4TB (data drive) hdd3: 2TB (data drive) hdd4: 1TB (data drive) So I intend installing ubuntu server onto hdd1 (ssd drive)...
6
votes
3answers
8k views

Send command to detached screen and get the output

I've been searching to find a way to send a command to a detached screen session. So far, so good. This is what I've come up with: $ screen -S test -p 0 -X stuff 'command\n' This command works as ...
0
votes
2answers
634 views

How to Find the Cause of Too Many Dropped SSH Connections?

Overview: I have a home setup, behind a home router, on which there is Proxmox Hypervisor running over 10 VMs. One of those VMs is the first point of entry after router. It is just a jump host Centos ...
0
votes
1answer
345 views

shell script - reading from standard input versus a file

I have the following input file in.txt: a b c a b c I have the following script test.sh: # display unique rows while read line do echo $line done < $(cat "$@" | sort | uniq) # display all ...
1
vote
1answer
772 views

kvm usb modem passthrough

I'm trying to set up a USB modem passthrough in kvm virt-manager. The host is Fedora 20. The guest is Centos 6 $ ifconfig wlp0s29u1u6: flags=4099<UP,BROADCAST,MULTICAST> mtu 1500 ether 00:...
1
vote
3answers
6k views

Google chrome has the wrong docky icon

I'm using fedora 20 with xfce. The launcher icon on docky is the xfce panel icon instead of the google chrome icon, I've made sure the correct icon is inside /usr/share/applications but it's still the ...
5
votes
1answer
196 views

Shell one-liner for adding a line in the middle of a pipe

I write a script which sends the input file to CPP, then to grep, then to a certain program: cpp $1 | grep -v "#" | theprogram But, "theprogram" requires the input to start with a certain constant ...
1
vote
2answers
643 views

How can I clean out duplicate entries from my PATH? [duplicate]

Currently, my $PATH has two identical entries for /usr/local/bin and I'm curious whether there's a way to clean that up, or if I should just not worry about it. It looks like this (broken up into a ...
0
votes
1answer
327 views

KDE: temporarily changing sound system

A little time ago, I reported a bug related to Phonon/pulseaudio. For debugging purposes I was told to disable pulseaudio so phonon can use the hardware directly. So I searched about how to disable ...
0
votes
3answers
4k views

Problems using NTFS file system with kali linux

Using kali linux 1.0 in dual boot with windows 8. I have an NTFS partition (D: on windows) I usually mount it on both OS. I face the following problem Windows disk repair utility keeps on reporting ...
0
votes
1answer
171 views

why debian repository does not contain lokkit?

I was using lokkit in redhat, and I want to use it in debian, but it seems that debian doesn't contain it...
1
vote
1answer
991 views

How do I find out the keycodes for Ctrl+up and down arrow for TERM=screen?

I am using tmux a lot, and I have already managed to tune my OS X terminal to send the correct key codes for Ctrl+left and right arrow (\033b and \033f). I found those information on the web. However, ...
2
votes
1answer
880 views

How do I reset RHEL6 to autocreate home directory upon login?

I am using a RHEL6 host that is set up using LDAP for authenication. Upon first login it is supposed to create the home directory for the user (e.g. /home/gisle where gisle is my login username). I ...
2
votes
2answers
7k views

FTP and iptables. Connection fails but ports are open

I installed proftp on my machine. With iptables disabled I can connect to the machine, using ftp-client or telnet. With iptables connection fails - telnet says "Connection failed" # works telnet ...
4
votes
1answer
1k views

How can I preview the GRUB2 boot screen?

I've been reading a tutorial that shows how to set the background image that will be displayed behind the GRUB2 boot options menu. However, I am concerned that the text might not be visible against ...
25
votes
4answers
107k views

How to install the latest Python version on Debian separately or upgrade?

I'm still new to Linux, so I'm still trying to understand where executables and their libraries are and how to install packages, so I have Debian Wheezy 7.3 which has these Python versions: Python 2....
3
votes
0answers
890 views

Number comparisons in BusyBox ash

I have the following script that extracts data from the EXIF command on my BusyBox ash-based system. I parse the date tag from the end of the file and use case as a final check to ensure the format ...
5
votes
3answers
17k views

FreeNAS 9.2: install FreeBSD packages

I have installed FreeNAS 9.2amd64 (based on the same FreeBSD version) on a VirtualBox VM. I created users and pool/volume for my data. In anticipation of installing apache/mysql-server/php5/php-...
6
votes
2answers
2k views

How can I parallelise the upload of a directory by FTP?

I need to upload a directory with a rather complicated tree (lots of subdirectories, etc.) by FTP. I am unable to compress this directory, since I do not have any access to the destination apart from ...
2
votes
0answers
3k views

Can't Install ImageMagick on Centos using Yum

I am trying to install ImageMagick on my dedicated-virtual Centos server for use with PHP. I first ran the following commands successfully: # yum install gcc php-devel php-pear # yum install ...
4
votes
2answers
1k views

How to set environment variables under MATE?

I have just installed MATE under Ubuntu Saucy. No problems. Except I am trying to setup Texmaker, the LaTeX IDE, and cannot figure out how to set the paths to the LaTeX tools (pdflatex, etc.) which ...
1
vote
1answer
3k views

OpenSSH hangs after login without showing login prompt

I ran across an issue with ssh after fresh Ubuntu 13.10 installation on Lenovo T420. I tried git pull (which failed) and this led me to more general ssh failing. After spending some 2-3 hrs of ...
1
vote
1answer
85 views

Ways of logging to Linux machine [closed]

How many ways to log to a Linux machine there are? Direct login, using connected keyboard :) Remote login via ssh (-Y) to console or GUI is there any other means - defaultly allowed, or enabled in ...

15 30 50 per page