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Updated 2025-06-07 11:31
simple while loop call for help
Hello everyone, I have made a little while loop to process a file line per line using a list of matching expressions. And I wished to print "0" if there were no matches. But I guess the if( $2...
Kexec on MT8173 platform causing high volume of IOMMU faults
I’ve been attempting to use kexec to write a network bootloader for an Acer R13 Chromebook. I initially tried on a 5.8.7 kernel, then moved on to 5.9-rc4 to see if that fixed the problem (spoiler: it...
Linux LVM mirror issue
Hi, Could please help me with some LVM mirroring queries. I am trying to create a mirror using LVM, I have some queries here is that possible to have mirror volume to increase up to 10TB...
Files integrity checking centos8
Hello all, Need a script that checking integrity of files and shutdown computer if files are modify or corrupt. thanks
Script to move files by filename patterns
Hi, I am trying to use a script I can add to the root crontab to move files by their filename patterns. I have two directories, their names are Prepared and Fixed. /home/oracle/Desktop/Prepared...
LXer: GNOME 3.36.6 Desktop Update Arrives with HiDPI and Lock Screen Fixes
Published at LXer: Matthias Clasen on behalf of the GNOME Release Team announced today via an email announcement the general availability of the GNOME 3.36.6 point release in the latest GNOME 3.36...
LXer: Android 11 lands with plenty more privacy preferences for Pixels and special Google friends first
Published at LXer: Enterprise edition offers admins more ways to blend work and play. Google has loosed Android 11 on a waiting world.… Read More......
Which on these security warnings are serious?
Hello, I'm using CentOS 8. I checked my server with Lynis and it showed me below information: Code: --------- -[ Lynis 3.0.0 Results ]- Warnings (3): ---------------------------- !...
LXer: Sysadmin toolbox: How to use the sort command to process text in Linux
Published at LXer: As a handy sysadmin tool, sort makes it easy to rearrange text data in various ways without changing the original files. Read More......
[SOLVED] Libreoffice Draw connector question
Hi there, I am using Draw to create simple electrical block diagram similar to flow charts, I want to use connectors to link up different devices, most of them has multiple input and output...
LXer: digiKam 7.1.0 is released with Canon CR3 Update and Improvements
Published at LXer: The digiKam team released today the digiKam 7.1.0 update to its free and open-source professional photo management and workflow software. Read More......
LXer: Red Hat and IBM announce a hybrid-cloud software marketplace
Published at LXer: Want ready-to-run programs using OpenShift Kubernetes? Red Hat and IBM have a selection of programs ready for you in the new Red Hat Marketplace. Read More......
LXer: Ardour 6.3 Open-Source DAW Released with New Loudness Analysis Feature
Published at LXer: Ardour 6.3 open-source digital audio workstation (DAW) has been released as the second maintenance update since the release of the major Ardour 6.0 series with various...
Fresh Kubuntu 20.04.1 Install...ONE Tearing.
So I just installed Kubuntu 20.04.1 and I have a minute problem: Almost instantly after I type in my password and press enter I get only ONE tearing...It also happens with my Void KDE which uses...
Thoughts on slackbuilds.org
I'm wondering why not letting slackbuilds repository support `pull request` as supported in major git services (like github)? Then everyone can contribue and update the build scripts. Currently, if I...
Firefox doesn't include the confirmation number in a confirmation page for my mutual fund manager
When I make an order at my mutual fund manager (Fidelity), it pops up a confirmation page to print. I prefer to save it as text, but that doesn't work, so I use control-a to select the whole page,...
LXer: Manage your SSH connections with this open source tool
Published at LXer: OpenSSH is widely used, but there isn't a well-known connection manager, so I developed the ncurses SSH connection manager (nccm) to fill that significant gap in the process....
Is RKHunter worth the time?
At work and home I've been using rkhunter for a few years. I'm aware of similar tools such as chkrootkit. Conceptually I like the idea. Yet I find over time I am routinely adding exceptions. Often I...
LXer: How to install Google Cloud SDK in Linux
Published at LXer: Google Cloud SDK is used to manage the google cloud platform using the CLI, command-line interface of your system’s terminal. Google Cloud SDK is basically a collection of...
Pinephone will no longer boot from SD card
I tried to boot into some of the other possible OSes for this thing; all of a sudden it will not boot from an SD card - not Jumpdrive, not another OS - it simply loads Mobian, which no longer works as...
Video aspect ratio and scale
Why is a 4:3 (1.3333) aspect ratio dvd have a scale of 720x576 (1.25)? When I take this video and use ffmpeg to create images I have to specify scale=720:540 like this Code: --------- ffmpeg ...
RDP client Vinagre requires libgstvideo
I am trying to run this app and get the following error: ---Quote--- vinagre vinagre: error while loading shared libraries: libgstvideo-1.0.so.0: cannot open shared object file: No such file or...
LXer: Spotting spaces, and AWK's view of emptiness
Published at LXer: Presenting a sed command that highlights plain whitespaces and marks each one with a dot for easy counting, plus a re-examination of an AWK shorthand showing that "non-empty" is...
[Shell Script] - the digits appear wrong in the printf
how do I make the countdown digits appear right? if I use only $1 it doesn't work correctly because the colon don't appear Code: --------- #!/bin/bash # usage # run script specifying...
bash / zsh completion function in python / golang
For example the following is a zsh completion function for command *foo*: Code: --------- #compdef _foo foo compadd first second third fourth --------- So, if we type *foo * in the zsh...
LXer: How to Install Arch Linux on Raspberry Pi
Published at LXer: Raspberry Pi can work with different operating systems. Let's take a look at how you can install Arch Linux on Raspberry Pi. Read More......
LXer: Create a slide deck using Jupyter Notebooks
Published at LXer: There are many options when it comes to creating slides for a presentation. There are straightforward ways, and generating slides directly from Jupyter is not one of them. But I...
H.264 Video no audio
I'm trying to play a file that reports On2 VP8 audio. This is a H264 codec. But the file plays without audio. I have gst-libav, x264, x265, vpx and ffmpeg-3.4.6 packages installed.
Update BIOS for dual boot, Windows alongside Linux?
On a 2010 HP I have the option of installing Windows 7, then upgrading to Windows 10. However the recommendation is upgrading a pre 2015 system's BIOS. What will that mean if I want to dual boot my...
Slow boot on Fedora 32 stalling on "Reached Target: Basic System"
Hi All, I installed Fedora 32 on /sdb and Windows on /sda I have two problems (1) fedora is slow to boot > 1 1/2 minutes and get stuck on "Reached Target: Basic System" Code: ---------...
How do I find out what kind of hard drive I have
Today I was testing e2fsprogs as part of an LFS build. The tests are said to take a certain time (which would be about 26 minutes on my machine) when using a magnetic drive and about a quarter of that...
LXer: AWOW AK41 Mini Desktop PC - TeamViewer with Linux - Week 10
Published at LXer: The AWOW AK41 Mini PC offers triple monitor support. It should have sufficient CPU and GPU resources to act as a functional remote desktop, particularly when connecting to...
Building Kodi 18.x in Slackware 14.2
I'm trying to build from git-20200909 on Linux. I have theses basic dependencies installed: Code: --------- crossguid, flatbuffers, libfmt, libspdlog, wayland-protocols, wayland ---------...
Is SELinux justified, for single purpose server?
Hello all, I have a Debian Linux host, used solely for one purpose only - as a gateway for small office LAN, for VPN to the headquarters. I have everything removed from this box, no other servers /...
Modifying an image file inside a gitlab docker runner
Hi all, I have a process that I run regularly on my host PC. I download the stock Debian beaglebone image, mount the image as loopback devices, chroot into it, and make some changes. I would...
LXer: LXDE vs XFCE: Which Is the Better Lightweight Desktop Environment?
Published at LXer: In the hunt for the lightest Desktop Environments, we pitted LXDE vs XFCE to see which of them is the better lightweight desktop environment. Read More......
apt-get error removing insync
Hi. I get the following when I run apt-get: Code: --------- sudo apt-get upgrade Reading package lists... Done Building dependency tree Reading state information... Done
LXer: How to install Nginx on CentOS/RHEL
Published at LXer: Nginx is one a very famous, open-source web server application that we can also use as a reverse proxy, cache server as well as a load balancer among other things. It is a...
[Idea] Democratic Community Grid Computing for FOSS
Ok the fact of the matter is i am still a newbie when it comes to all things linux and grid/cluster/distributed computing but hear me out :study: I have read about SETI, Folding@Home, etc and am...
Linux Wiki for this forum?
My signature contains a few wiki's that I have written for the community and I went to access them today. The wiki seems to be dead. wiki.linuxquestions.org’s server IP address could not be found....
Things NOT to do when helping as a newbie
OK I am making this thread right here, right now. I do not want to be the new unofficial troll here (although that's probably too late:D). I need to know what is *CORRECT*, and what is *INCORRECT*...
sudo apt update will not update
Hello I'm cliff I am using Ubuntu 20.o4.1 LTS trying to update using the terminal, this is the result. some thing is not right but what? Thanks in advance for help. sudo apt update Ign:1...
Note for maintainers: util-linux tests and new "tester" user
I'm posting this here because I'm no longer on the LFS mailing lists. Hopefully someone will see it and pass it on. LFS 10.0 uses a specialised "tester" user for non-root tests instead of "nobody"...
Firefox account problem
I am using a distro of Ubuntu 20.04 called Linux Lite. I run this from an external USB HDD and the distro is installed. I can use this on either of my 2 PC's so that is handy. My 2 PC's run Windows...
LXer: China blocks access to website hosting code-for-kids tool Scratch and its forums
Published at LXer: Someone appears to have ignited the Great Firewall with Hong-Kong-related post. China appears to have blocked access to the website of coding-for-kids tool Scratch.… Read...
Fan of the Videocard on full speed after waking from suspend to disk
Not sure whether this is the optimal forum, so mods feel free to move it :). Well, subject says it all. This is on openSUSE tumbleweed with the MSI-videocard. For the specs of my machine see my...
edit fstab to mount nonempty volume
I have a vortexbox (media server) on Fedora 23. I recently setup a new hard drive formatted as exfat to use as the USB storage. It has media files in it. These are the instructions for setup:...
LXer: Zorin OS 15.3 Released with Latest LibreOffice, New Software
Published at LXer: The next version of Zorin OS 15.3 is here as the latest point release in the Zorin 15.x series. Read More... (https://www.debugpoint.com/2020/09/zorin-os-15-3-release/)
Book that is a concise beginners introduction to C++ using small example programs?
I have read the C/C++ tutorials post and followed a lot of the links. I have already searched Amazon and Google. Is there a concise (less than 200 pages) beginners introduction to C++ book that...
LXer: Bash Script Examples
Published at LXer: Bash scripts are a versatile and handy tool that most system administrators love using to simplify their workflow and automate repetitive tasks. With scripts, you can do almost...
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