0
votes
0answers
4 views

Serial port's modem lights up, but can't communicate

My MB has builtin UARTs (Supermicro X10SAE). I've got an external modem hooked up to /dev/ttyS0. I'm running CentOS7. Without minicom running on /dev/ttyS0: The modem has CTS on. With minicom ...
4
votes
2answers
16 views

Log all root activity with original username who su'd/sudoed to root

What is the preferred method to keep track of who is acting as root in the logs when root login is disabled (SSH) but users can run sudo -i or su - to become root? I would like to follow every ...
0
votes
1answer
15 views

What steps to add a user to a system without using useradd/adduser?

I was browsing through some Linux questions and saw this interesting question. What steps to add a user to a system without using useradd/adduser? The one possible way that comes to my mind is, ...
0
votes
0answers
4 views

HDA Realtek and Auto-Sensing Disable

I have a couple different devices using Realtek audio chipsets (one is ALC269VC, another is ALC262). On both devices (laptop/tablet type devices, with internal speakers and a headphone jack) when I ...
0
votes
0answers
16 views

iptables to allow teamviewer

I'm having some trouble to allow TeamViewer in a restrictive iptables configuration. I'm running Fedora 20. After some research I found out TeamViewer uses ports 80, 443 and I have created this ...
0
votes
0answers
6 views

PowerMizer thinks my laptop is running on battery, but it is not

Im trying to use Debian 64-bit on my old IBM t61p laptop. There is Nvidia Quadro NVS 140M GPU, it is supported by driver v173, everything works but... I'm running some OpenGL stuff and I have low ...
2
votes
1answer
20 views

How to prevent a new user to inherit the files of a deleted user?

I just deleted a user with "userdel", without deleting its home dir. Right after the deletion, I created a new user, with its own home dir. What striked me as odd, was that the new user gets the UID ...
1
vote
3answers
31 views

What is the concept hidden behind the term “command”?

I have been using, studying and developing for Linux for quite a few years now, and over time, I have successfully convinced a few people to join the cause, and make the switch to Linux. However, ...
1
vote
1answer
16 views

Cannot redirect output from sed

I'm piping output from clock through sed to remove leading zeroes from numbers. It looks like this: clock -sf 'S%A, %B %d. %I:%M %P' | sed 's/\b0\+\([0-9]\+\)/\1/g' That works fine and produces the ...
0
votes
1answer
19 views

“UnicodeDecodeError: 'utf-8' codec can't decode byte 0xff in position 0: invalid start byte” error when attempting to remove nvidia-304 package

I'm trying to remove package nvidia-304 from my system (Ubuntu 14.04) but I'm getting this error: Do you want to continue? [Y/n] y (Reading database ... 283298 files and directories currently ...
0
votes
0answers
18 views

So, apparently i toasted this USB Thumbdrive, but is there still hope?

I'm having trouble with a USB thumbdrive which isn't recognizable under OSX Disk Utility. Device is not popping up, nor any partitions. Needless to say this is occuring on all USB ports and even on a ...
0
votes
0answers
3 views

Confused about the purpose of MESA with proprietary nVidia drivers

Since a MESA upgrade today (10.2.5-1 -> 10.2.6-1 in Debian Sid, which is unbearable lately, keep away), I noticed 3D-dependant applications complaining about missing the software rasterizer swraster - ...
2
votes
1answer
7 views

ld cannot find -lQt5Multimedia

I'm trying to build BBQScreen for Linux. During the make process, I get the following error: g++ -m64 -o Linux/BBQScreenClient2 debug/main.o debug/mainwindow.o debug/screenform.o ...
1
vote
0answers
13 views

Urxvt cursor cutting off wide characters like 'w' and 'm'

I'm using the 14 px Gohu font, and it looks like these characters are offset one pixel to the left from the cursor which causes the cursor to ignore that part of the text when typing. I am using ...
0
votes
0answers
4 views

Yocton embedded Linux and Chromium touch events

I have a MarsBoard with an i.MX6 ARM processor and an Yocto embedded Linux. The board came with a touch screen, that works - at the moment - like a mouse. When I touch something, the mouse courser ...
1
vote
1answer
15 views

Move zsh settings from Arch live to Arch regular

I just installed Arch as a guest (Virtual Box), and I really liked the way that the shell behaved on the live version of Arch. What would the steps be in order to copy those settings (from live) ...
1
vote
0answers
8 views

Installing R 3.1.1 (programming language) on debian wheezy

I want to learn and use R, and so I need to install it. Unfortunately, Wheezy got only 2.15 version, while I need 3.1.1. I followed these instructions: http://cran.r-project.org/bin/linux/debian/ and ...
3
votes
0answers
14 views

Why doesn't ufw enforce firewall rules for traffic coming from Virtualbox VM

I've been running Linux Mint 17 on my laptop for a while and thought I had it locked down to not allow any incoming traffic through "Firewall Configuration" (ufw GUI)—I have also validated this from ...
3
votes
1answer
16 views

zathura: How do I add a keybind for exec?

zathura is my default PDF reader. Some files cause it trouble though, and in such cases I run :exec acroread $FILE which automatically opens the same file with Acrobat Reader. How do I add a key ...
0
votes
0answers
23 views

How to edit the “Internal Server Error” without redirecting to somewhere else?

On the web this is what I see: Internal Server Error The server encountered an internal error or misconfiguration and was unable to complete your request. Please contact the server administrator, ...
1
vote
1answer
8 views

Copy and paste text in Xterm on OpenBSD

I installed OpenBSD 5.5 using the recommended defaults. The OS came with fvwm as the window manager. How do I copy text within an Xterm and paste it into another Xterm? Before making this post, I ...
0
votes
1answer
21 views

in Shell Scirpt I want to user ::ssu <USERNAME>

I want to ssu or alternate command in shell script. However it's asking for password in middle of shell script. I don't want to do that. Any alternate command or suggestion? E.g. ssu ...
0
votes
0answers
8 views

Unable to patch 2 errata on OpenBSD 5.5

I'm trying to patch OpenBSD 5.5 with all of the 10 errata. The command I use to patch is: signify -Vep /etc/signify/openbsd-55-base.pub -x /path/to/patch/ \ -m - | (cd /usr/src && patch -p0) ...
1
vote
2answers
53 views

man pages: meaning of '2' in STAT(2)? [duplicate]

What's the significance of the number, like the 2 in STAT(2), seen in man pages? For example, man 2 stat yields a man page with STAT(2) at the top and a description that begins, The stat() ...
1
vote
0answers
12 views

How to connect tata photon in X window manager in ubuntu using command line

Due to some reason I had to shift from Gnome to X window manager. So here on the desktop nothing appears (no launcher, no menu bar, nothing) but we can open command line in it using Ctrl+Alt+Tab. (I ...
0
votes
1answer
39 views

Debian: Can I remount / read-only in single user mode?

I'd like to use fsarchiver in the safest way possible but have no live medium for booting from. I vaguely remember having read something like this though: Is it possible to remount / readonly when in ...
1
vote
1answer
11 views

Make an SD card to boot the distribution image created with Yocto

I have managed to build images for my own compiled Linux kernel source code using Yocto. Yocto has produced image files according to: ...
1
vote
1answer
16 views

archlinux check disks on boot

How can I check and mark bad blocks on Linux startup? There are a number of options available and most of them require accessing hardware and running live CD's. But I would like to avoid and perform ...
0
votes
0answers
5 views

where would gmon.out be written if process were started by upstart

I have a binary which I want to profile (is compiled with -g -pg), and its started by upstart. Where would the gmon.out file be written after the process terminates? (would it be written at all!?)
4
votes
1answer
74 views

Can We Use Linux Mint ISO To Repair Ubuntu's Grub?

One Of My Friend is Running Ubuntu And Got GRUB RESCUE So Can use Mint ISO to Repair his Grub ? As I don't Have Ubuntu ISO ?
0
votes
0answers
14 views

Change cursor theme with immediate effect

Is there a way to change the cursor theme with immediate effect in X, after it starts up? I've tried xrdb -merge which doesn't work (nothing happens).
1
vote
2answers
17 views

Format ps output without whitespace

I have the following ps command to get particular properties of all the running processes along with some properties: ps --no-headers -exo "uname,ppid,pid,etime,%cpu,%mem,args" I wish to have it ...
0
votes
0answers
27 views

wget: Retrieving a list of URLs when modifying input data file on the fly

This issue is currently driving me up the wall. It just does not work as it should. I have a file inp with audio samples to download where I preserved the internal ID number by parsing some other ...
3
votes
2answers
141 views

Using cp to replace a directory of the same name

How can I make cp replace a directory of the same name without removing the existing directory first? cp's default behaviour is to copy the source directory into the destination rather than replace ...
-1
votes
0answers
26 views

Why am I unable to repair my broken user login? [on hold]

My system decided to log me in automatically when I started work this morning. This is most disconcerting: I have changed no user preferences; I care about my system security. But I have been unable ...
0
votes
0answers
6 views

How to print pcl or esc/p code on host-driven printer?

I have a host-based printer (HP Deskjet D2460) and have some printer language files (pcl codes) that I would like to print out. I saw that in cups there are some filters like rastertopcl, etc. which ...
0
votes
0answers
16 views

SSD Crash Randomly on Linux Mint 17

I'm running Mint (17 Qiana 64bit) on a fresh install on a new laptop (Dell N5110) with a new Crucial MX100 SSD and twice now the whole system has frozen up. If I switch to a text terminal (as in ...
0
votes
0answers
14 views

Intel/ati hybrid graphics on debain

I am willing to step out of my comfort zone and start trying to test Debian (probably testing or unstable,as I want to try rolling release distros). My question is, how do I get AMD/Intel hybrid ...
0
votes
1answer
14 views

How to start several jobs in different screen sessions in a Bash-script?

The programm I want use can be started via ./myprogram < input_part1.txt > output_part1.txt How can I start four jobs of myporgram in a BASH-script where each job runs in a separate ...
2
votes
1answer
142 views

why “ps -ef -u root -U root” also displays user processes?

ps -ef -u root -U root Also displays processes whose user is not root (the current user). Can someone explain me why ? -u : EUID -U : RUID
1
vote
2answers
33 views

How to check if disk has linux inside

I am trying to boot a external USB drive which runs Linux to check whether the main computer hard drive is running (so it contains) Linux or not, and mount it into /mnt directory to modify some files. ...
5
votes
3answers
100 views

'ip addr' command shows 'UP' even there is no address associated with that interface

I would like to understand what is meant by an network interface up? Because ip addr or ifconfig command shows an interface as up even when there is no IP associated with it. for example on RHEL7 : ...
-1
votes
0answers
11 views

How do I interpret this IFTOP result

I used iftop and got strange result It looks like I am heavily visited by ztomy and zerolimites.com. What the hell is that? Also I saw msnbot-157-55-39-140.search.msn.com . Is that a host or user ...
0
votes
1answer
14 views

Disable MySQL startup arch

how to Disable or prevent mariaDB or mysql services and deamons to start at system startup? more information i have manjaro (arch base linux). i have KDE. and it have Autostart software to manage ...
3
votes
1answer
18 views

How do I stop ssh-agent trying all keys with agent forwarding?

Often I'll connect via SSH to VM instances to deploy code from private Bitbucket repositories, cloning repositories via git over SSH. Today I was getting the error: conq: repository access denied. ...
0
votes
1answer
31 views

Alias for finding a file not working in bash

The following alias for finding a file works in tcsh but not in bash. alias ff "find . -name '*\!{*}*' -ls" When I put the above line in .bashrc and then source it I get : bash-3.2$ source ...
0
votes
0answers
18 views

Hardware address of network interface on HP-UX & solaris

I want to get hardware address, IP address , MTU and related information regarding all network interfaces on HP-UX and Solaris platform. I want to get it through any available c API on the platforms. ...
1
vote
2answers
26 views

Ubuntu: where add a script executing SQL on machine start?

Each time Ubuntu is starting I need to run a script, which is running some SQLs. So I need run it after MySQL already started. Where should I put such script?
2
votes
1answer
22 views

What does xterm's Escape Sequence option do and how do I enable it?

xterm's control-right-click menu contains an option named Escape sequence. It is always disabled ("grayed out") in Ubuntu-14.04. What is this option is used for? How do I enable it? I am looking for ...
1
vote
0answers
7 views

Changing privoxy configuration depending on time

I'm trying to use privoxy for parental control. What I want is blocking sites (blacklisting) depending on what time it currently is. I.e. No youtube videos from 5:00 am to 8:00 am. As far as I've ...

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