All Questions

I have used NetworkManager to create a WiFi hotspot. This seems to be working well, however I don't want to share the internet connection (from ethernet) on the WiFi access point. I want only local ...

This works find ./ -iname '*.c' -o -name '*.h' -o -name '*.l' -exec grep -irn test1 {} \; If I combine -exec with ls then it tells me that is improper option. #ls -exec touch {} \; ls: invalid ...

My windows 10 laptop is able to connect to wifi, and I want to use an ethernet connection so my ubuntu computer (18.04) can siphon off the internet. I tried to use this and this. Neither worked and I ...

I've been looking for this for about 2 days and have come up empty handed. I am looking for a way to build a threat alert for linux based credential dumping in splunk. To do this I need to be able to ...

The line for the loopback interface is -A OUTPUT -i lo -j ACCEPT but the error iptables-restore v1.6.1: Can't use -i with OUTPUT shows up

Running Ubuntu 16.04 LTS fully updated on remote webserver Running rsync 3.1.1 on remote webserver I have a fairly simple setup where I allow some users to manage a set of publicly accessible files. ...

I'm trying to add nVidia GPU utilization to my byobu-tmux status line. I've installed gpustat which returns ~$ gpustat myhost Mon Aug 19 17:26:51 2019 410.48 [0] GeForce GTX 1080 Ti ...

Well consider some data that looks like "2019-12-12 00:00:01","2012-01-01 01:01:01" I wish to replace it so they are valid datetime json values: "2019-12-12T00:00:01+01","2012-01-01T01:01:01+01" I ...

In Vidar Holen's blog entry Useless Use of dd, he argues that dd is effectively useless, primarily because everything is a file and files can be piped. We have also seen regularly on all the *nix ...

I am trying to get to the recovery mode through the grub bootloader but cannot get in because I have a very fast m.2 and load too fast. Is there any command I can use to boot into recovery mode?

Test Environment Single board computer (https://www.emtrion.de/en/details_products-accessoires/sbc-sama5d36-56.html) Linux Kernel is version 4.18.8. Bootargs are: console=ttyS0,115200 earlyprintk ...

I have following collectd instance running in influx.conf file and everything is good, but now i want to setup other instance totally isolated with existing one how do i do that can i do following? ...

I just installed the debian 10, but it was able to make it autologin into mate after the boot, Im using gdm and try to edit the /etc/gdm3/daemon.conf Uncomented the autologin and user lines but ...

I'm using Fedora 30 with KDE and am trying to bind (zsh) autosuggest-execute to Ctrl-Enter for convenience. I'm trying to get it to work in gnome-terminal. However I discovered that showkey -a always ...

I have a long running application that operates hardware running with super user privileges and realtime priority. This application has a user interface that interacts with it over UDP (periodically ...

On occasion, I find myself using hexdump and xxd in pure UNIX shell (sh, not bash). Unfortunately, I usually complete my task by trial and error with minimal reading of the manual pages. Man pages are ...

I have a webhosting server based on ISPConfig (Debian 9.9 LAMP) and I'm new to Postfix. When users send an email from PHP, the default address is webmaster@thedomain.com. This address can be overriden,...

I'd like to know if there's a way to customize the sudo password request. The default string is: [sudo] password for USER: Is there a way to change that to some other custom string, like: Insert ...

I ran a program that has a good amount of command line output, and it ran on a screen in a ssh server. I referred to this post so that I can scroll through the screen and see the output, but there is ...

I am just trying to start up a basic node.js server on a remote machine in a ssh session. This seems to work: nohup node server/server.js & disown Maybe I don't need nohup? what's the "official"...

I have the following script: #!/bin/bash x=1 y=0 new=$(ls -t ./pics/0/*.png) while [ $x -le 5 ] do if ! cmp "$y" "$new"; then then y=$(ls -t ./pics/0/*.png | head -1) base64 $y | tr -d '\n' | ...

I am trying to download yesterday's files from the server using a bash file with the following code: export SSHPASS=$SFTP_PASS YESTERDAYS_DATE=`$DATE -d "-1 day" +"%Y%m%d"` sshpass -e ...

I'm trying to uncomment a 4 line section in an (nginx config) file. Using sed. I first tried with grep and the regexp seems to be correct: $ grep ^#.*bny /etc/nginx/sites-enabled/default # ...

zipimport.ZipImportError: can't decompress data; zlib not available make: *** [Makefile:1132: install] Error 1

I have a problem with Linux Mint and video playback. The issue is that opening any .mp4 from disk (don't have any other filestypes) results in video player crash. Tried many different players like ...

I'm having trouble finding this CentOS download: 7.6.1810 *.ISO DVD i386 Does anyone know whether this particular build was made available?

I have a problem whereby a remote BeagleBone device is taking hours to boot up. When it does, I don't see any problems in the kernel boot logs such as journalctl -b or journalctl -b -1 Without ...

I have a csv file: test_1,2,data,hi,**2**,5-- 2 columns need to be added after 5 test_2,3,4,5,**1**,6- 1 column needs to be added after 6 test_1,3,7,8,**3**,7- 3 columns need to be added after 7 ...

print the name of the most recently accessed file in the directory /var/run/log/ whose name is of the form access-<DDD>.log (here <DDD> represents exactly 3 digits; thus the filename ...

Let's say I am connected to a coffee shop wifi network. Let's say I want to find other Linux users there to talk with. I tried using nmap -sP on the adress, but I only got two hosts: The router, and ...

I want to lock the mouse to a single monitor in a multi-monitor setup. I tried the following: MOUSE=`grep -i 'optical mouse' <(xinput --list --name-only)` MONITOR=`awk '/HDMI.* con/ {print $1}' &...

I have just done a fresh install of Debian 10 with KDE and I skipped the "Configure the package manager" part as there was an error which I believe to be due to not having internet access at the time. ...

I have a Synology NAS at home (let's call it ananas), it is attached to my router via ethernet. I also have a desktop (let's call it Aero), it is connected to the same router via wifi. I configured in ...

For some reason on my Samsung Ativ Book4, after installing Linux Mint, the grub menu is showing and I want to be be able to boot directly into Linux Mint 19.2 without having a loader showing the ...

I am on a hacking challenge website and I am trying to decode the hashed word. I am trying to decode the hash by using the following command hashcat -a 3 -m 0 use ?a?a?a?a?a?a?a?a --force. I know what ...

We install Debian (server variant) on a new client node (possibly behind a masquerader) in our network. Now we need to assign an autogenerated UID and secret keys(s) (for SSH and for API such as ...

I desire to download a file, pipe that output to tar for extraction to a specific location in one operation. I tried this that failed: war="/var/www/html" domain="example.com" downloaded_file="https:/...

I have an XFS filesystem in which some folders (using mode setting) have no public accessiblity, with group owner having read-only privileges. There is a program (which runs as user cryosparc_user) ...

I recently bought an APU2 machine from PC Engines and installed Ubuntu 18.04 on it. The APU2 has no graphics output and I had to modify the netboot ubuntu installation to redirect the graphics output ...

My office computer is running some odd combination of XFCE4 and Gnome software, and after a recent update it seems that double-click on files in Nautilus does nothing to open these files. This is an ...

I have large csv file that looks like this: 1 , aaa, bbb, ... 1 , ccc, ddd, ... 2 , aaa, bbb, ... .. 10 , aaa, bbb, ... .. 1000 , aaa, bbb, ... I would like to split it into separate csv files ...

I just switched from Windows 10 to Linux Mint. I have an older computer (Samsung ATIV Book 4 NP470R5E-K01B). My computer uses Intel HD Graphics 4000, as a graphics driver. I had similar issues with ...

I newly installed Fedora 30 on a machine then I installed Oracle Database 12c and restored a really big dump (took two days). Then, I installed samba server and shared a folder with that. After that, ...

on the login screen of a CentOS 7, when changing password is enforced with an ssh terminal I have two different languages: login as: user1 user1@192.168.0.20's password: You are required to change ...

How to get list of dates from an output of ps command to only show those processes beyond 30 days? My goal is to kill these processes. I can easily do this by killall command. E.g. killall -u user --...

I have created a Linux Container using below command. sudo LXC create k3_7.8 container_name I am not able to run the apt-get update command after container creation successfully. Please see the ...

I upgraded the GRUB from GRUB Legacy to GRUB 2, and then after the GRUB menu, it shows: free magic is broken at 0xbffe64f0: 0x44ad20c2 The distribution is a highly customized distribution based on ...

I would like to automate the process of doing some benchmarks on a remote device using a serial connection, the benchmarks could potentially fail without stopping, so I would like to add a timeout to ...

I need help on creating a shell script which will take input string and expand as below: Input => output A2B3C4 => AABBBCCCC

I would like to replace the ancient Mediawiki (version 1.21.2,l PHP version 5.3.3, MySQL 5.1.73) used by my company with a brand new Mediawiki site running the latest version (requires php 7.0.13 or ...