A family of Unix-like operating systems using the Linux kernel. If your question is about a certain distribution only, use a more specific tag.

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3answers
48 views

How do I make a command to refresh itself without writing a .sh script?

I'm doing that command to measure RAM usage:while sleep 1; do free && echo -e && ps -eo rss | awk '{sum+=$1} END {print sum}' && echo -e "\n"; doneHowever, it still keeps ...
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2answers
49 views

Sending dynamically generated email every hour from server

On debian 8.9I want to check my ip address and send email every hour.what I want to do is 1.Check my server ip address -> curl globalip.me2.Send ip address by email.A. I know how to send ...
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0answers
27 views

ECC alternative for real time RAM error checking/handling?

I had 2 days of labor lost when compiling and getting errors. I finally ran memtest and found that one of my 6 year old stick of GSKILL ram had errors(by the way... they never replied to the RMA ...
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0answers
22 views

Disappointing NFS performance on Debian home server

I have recently installed Debian Stretch 9.3 on a new PC that I'd like to use as home server/ NAS. The CPU is an Intel J4205 with 8GB memory and a 2TB WD Red hard disk.I'd like to export some shares ...
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votes
0answers
9 views

How to persist Firefox Bookmark pane setting?

The latest Firefox has a bookmark button near the address bar. When the bookmark pane is showing and then Firefox shutdown, the bookmark state is lost. When Firefox restarts the bookmark pane is not ...
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0answers
23 views

Fedora 27 no hdmi output on AMD card

I just bought new laptop with AMD Radeon RX 550M card, installed fresh new Fedora 27 and everything was working properly.But...After update (dnf update) and restarting laptop my hdmi stopped ...
0
votes
1answer
18 views

Spacing between “arrow” symbols in Vim Airline

I have Vim 8.0 running on Arch Linux (last updated 3rd of January) and have installed the package powerline-fonts using pacman as well as vim-airline using Vundle. I have also set let g:...
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0answers
44 views

Problems with mounting samba share

It is a couple of days I'm struggling in mounting a samba shared directory in Ubuntu 16. I read all the relative posts but still cannot find a solution.Here is the command I use:sudo mount -vt ...
7
votes
7answers
786 views

Cat command and echo

I'd like to concatenate the output from echo with content of a file. I've tried the following comand:echo "abc" | cat 1.txt > 2.txtbut the 2.txt file only contains the content from 1.txt. Why ...
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0answers
17 views

Powerful preprocessing machine [on hold]

I have a medical microscope that produces around 2-10 TB of data (images) per day. I want to buy or configure a very powerful preprocessing machine to preprocess this daily data straight away then ...
2
votes
0answers
26 views

Using a RCA-to-USB capture device on Linux

I've been handed down a Lexus UR-19 capture/converter device: It has RCA (and S-Video) inputs, connected to some dongle with a USB A male output. I'm guessing it does some sort of simplistic A/D ...
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votes
1answer
25 views

Deleting MythTV logs

My TV software setup stopped working recently. I tracked down the issue to a lack of disk space and and ran ncdu to check what was up. Turns out, MythTV logs are consuming nearly 1GB of space on my ...
-1
votes
1answer
14 views

How do I Block a Port on all IPS, except 1?

how do i block a port on all IP's except 1?say I have IP's:192.168.1192.168.2ex: how would i only allow port 21 on 192.168.1 through IP tables or similar?
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0answers
36 views

Is my port really open?

Let's say I want to have a server on my computer at port 1234, so that other hosts on the Internet can connect to it. I am behind a router NAT, so I configure the router to forward connections to ...
3
votes
2answers
56 views

Achieve better compression for multiple gzipped files

I have several directories containing thousands of gzip files (overall we are talking about 1M files). Some of these files are corrupted and most of them are really small in size (a couple of KB)....

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