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Updated 2025-06-16 18:31
finding packages?
Hi I'm following a tutorial on how to install sapi5 for linux. https://gist.github.com/icaromagalhaes/89eaa7173005a1edcfe848c2a874d68a I added the ppa sudo add-apt-repository -y ppa:ethanak/milena...
Want CUPS to print one page at a time
I am having a problem with using a Netgear PS-101 on a server with CUPS. I am not sure where the exact issue is, but printing multiple pages results in a partial page at some point, with the print...
A thunderbird problem with SQLite3
Hi, I have a problem with SQLite (version 3) and thunderbird. You see I have a shared script and it does not work on the newest PC. eMail addresses are wrong. What SQLite file do I need to touch? Be...
Commands that have an Underscore don't work
Hello guys I'm quite new to Kali Linux and just got to install python3 and other things however, I'm noticing an issue with my terminal where I am unable to or the terminal is unable to recognize any...
Using two different chromium browsers [wrong icons]
I've been using browser A for a long time and now trying browser B. They are both chromium based and the problem is that when using new browser B, logo / icon from browser A is attached to it on task...
/etc/profile.d/ does not work in Ubuntu as in Fedora, please help set perm. alias
https://www.linuxquestions.org/questions/linux-newbie-8/setting-global-alias-for-all-users-howto-fedora-18-a-4175442604/ I have been following this post since it was created and marked as solved a...
LXer: Volla Phone Will Be Shipping with Ubuntu Touch Pre-Installed
Published at LXer: UBports Foundation and Hallo Welt Systeme UG announced today that the upcoming Volla Phone will be shipping with the Ubuntu Touch mobile operating system pre-installed. Read...
How I fix this error: 'undefined reference to symbol' compress ''?
First, the OS is Slackware 14.2 I had installed the simplescreenrecorder but it did not recognize the vp8 codec. I read on a forum that you may need to reinstall ffmpeg and then ssr after...
Openjre & GeoMapApp
Howdy. Code: --------- bash-5.0$ java -jar download/GeoMapApp.jar Exception in thread "main" java.lang.UnsupportedClassVersionError: haxby/map/MapApp : Unsupported major.minor version 52.0 at...
LXer: System76 Launches Lemur Pro Linux Laptop with Open Source Firmware
Published at LXer: Linux computer manufacturer System76 has launched today the Lemur Pro Linux-powered laptop, a powerful, high-end machine that boasts amazing specs. Read More......
grub2 and older bios
I am on Fedora 28 and thought I upgraded to 31, but I noticed during boot, it still shows Fedora 28. So, it seems like the upgrade did not finish. I see that the grub config has not been updated....
Bionicpup, message: Error loading backdrop image: image file /usr/share/backgrounds/default.jpg/ contains no data Backdrop removed.
Hi, After start up I get this message: Error loading backdrop image: image file /usr/share/backgrounds/default.jpg/ contains no data Backdrop removed. Everything seems to be fine. The file is...
Epson Expression Home XP-4100 Small-in-One Printer
Hi all. I hope everyone is staying safe from C-19 virus. My current Brother MFC-5440cn has finally died and now needing a new AIO printer. I was looking around and found this Epson at a reasonable...
LXer: Using Fedora to quickly implement REST API with JavaScript
Published at LXer: Fedora Workstation uses GNOME Shell by default and this one was mainly written in JavaScript. JavaScript is famous as a language of front-end development but this time we‘ll show...
Sending security alert logs with msmtp/ssmtp/mutt
Hi all - I am attempting to make a chronjob to email me the latest security alerts from my Suricata IDS on an Ubuntu - I originally installed Postfix but I couldn't get it to work. I have code that is...
Large directory and files in home directory
I have been running a Slackware distro 14.X since 2013 but I still consider myself a newbie. My question today involves a recent backup I made of my Slackware installation on my NAS and I noticed...
LXer: Linux Foundation backs security-oriented seL4 microkernel operating system
Published at LXer: Want a truly secure operating system kernel? The Linux Foundation is partnering with Australia[he]#039[/he]s national science agency, CSIRO, to roll out the seL4 microkernel. ...
How I optimized my drive setup (HDD vs SSD)
Since I usually only visit the forum to ask for help, I figured I'd also share something useful for a change. Hopefully that still makes this the right forum section, feel free to move if not. For...
Problem with OCR of image with persian text?
I am running manjaro linux, i want to OCR some images with persian text, i search the google and read a lot since few days, i installed the tesseract and gImageReader, added the fas.traineddata best...
Does disabling NCQ cause any bad effects on the computer?
A few months ago, I started seeing these errors on my computer Code: --------- [39441.061917] ata3.01: exception Emask 0x100 SAct 0xe SErr 0x0 action 0x6 frozen --------- What I did was...
Executing a command when the network gets up
Hello everyone, I am a retired engineer who tries to move all my systems from Windows 7 to Linux (mint in most cases), and already done for a laptop and a CNC controller. I now replaced the...
Why is the VM not seen by a physical machine on the same LAN even though it is connected in bridge mode?
Only the host where the machine is installed can ping or see the VM on the network, returning results from the arp or telnet. But what I want is for another host to see this VM. The ultimate goal is...
how can I fix my .profile file when I login
I cannot login. The last thing I did was to add a line of code to my .profile file. On booting up I get the following message when I try to login, "Your session only lasted less than 10...
LXer: Mozilla Supports the Open COVID Pledge: Making Intellectual Property Freely Available for the Fight Against COVID-19
Published at LXer: COVID-19 has afflicted more than one million people worldwide, and the number continues to climb every day. However long the pandemic lasts, we know that scientists and others’...
LXer: How to install Dropbox through flatpak on CentOS 8.0
Published at LXer: Dropbox is a widely used software to share files in a cloud-based environment. In this article, you will learn how you can install Dropbox through flatpak on your CentOS 8. ...
Cannot delete directory and its content: Permission Denied (CentOS 6.10)
Hello community, I'm getting crazy with CentOS 6.10 and with a directory where I got Permission Denied if I try to delete it, change permission, or delete a file inside it: Code: --------- #...
Debian 10 VMware: Trying to Create a Grub 40_custom Menuentry for Kali Linux
So I am on VMware using Debian 10 trying to get a Grub Boot Menuentry for Kali Linux for a project for college however I have been unable to get it to run the iso. I have put my Iso file in /mnt/iso...
LXer: Want to stay under the radar for a decade or more? This Chinese hacking crew did it... by aiming for Linux servers
Published at LXer: BlackBerry says Winnti-derived group is playing it quiet with rootkit attacks. A group of hackers operating as an offshoot of China's Winnti group managed to stay undetected for...
manjaro-xfce I can't share application window with openboard on jitsi-meet
My manjaro-xfce or browser not see openboard application, so I can't share this by jitsi-meet.
manjaro-xfce, switching user not work
I use button from menu xfce. The login window open I log in as the second user and nothing changes. (user, pass for second user is correctly)
[SOLVED] Shell script not able to parse a string under if statement
I have a simple script in which I am trying to find if make some_target exists or not. In case it does not exist then print a statement and exit 1. #!/bin/bash set +ex output=$(make -n...
how to access private network in openvpn
I'm using centos 6 and was able to setup openvpn, successfully connect to it and was working fine. My OpenVPN server has 2 IP (wan and lan). My concern is I can't connect to the servers on the lan...
systray
systray can not work in a shelf that is set below everything
Diagnosis of power dissipated by hardware components
Hello all, I have a Dell Vostro 5471 and it's running Linux 5.4 One day a couple of months ago, it started giving errors at BIOS level saying that the power supply was not enough (not enough...
New video tutorial "Quick Launcher"
Hello there Let me introduce another great tool inside the Moksha desktop within Bodhi Linux distribution. I have noticed many people do not know about all Quick Launcher possibilities. It is not...
LXer: How to use ncurses widgets in shell scripts on Linux
Published at LXer: In this tutorial we will learn the basics of the dialog utility, in order to use ncurses widget in our shell scripts. We will see how to install dialog in the most used Linux...
10gbe ixgbe (intel X550T) slow at 420mbyte/s max, p2p lan cat8 1m, tried ethtool and ifconfig options to no avail
Hey LQ community, first time dealing with 10gbe. I have two boxes, one is older with i7 2.8ghz from 2009 generation, pcie 2.0 and I just put the Intel X550T there to make use of absolutely similar...
LXer: How to install Python 2 and Python 3 on CentOS 8
Published at LXer: Python is one of the most popular programming languages today. It has a simple syntax that is easy for beginners to understand. In this article, you will learn how to install...
Greetings background & A QUESTION
It has been over twenty (20) yrs since my last usage of Linux, has been within 'Mandrake,' 'Suse,' 'Red Hat,' along with others that are not supported any longer. With the forced feeding to Win10...
LXer: How to Install Node.js on Debian 10 and configure Nginx as a Frontend Proxy Server
Published at LXer: Node.js is a free and open-source JavaScript platform that can be used to serve dynamic and responsive server-side content. In this tutorial, we will learn how to install and...
LXer: Targeted string replacements with sed and AWK
Published at LXer: Global replacement of A with B might be a mistake unless you're 100% sure that you really, truly want to replace every instance of A with B in the data file. It's much safer to...
removing a watermark from a pdf
I can watermark pdfs quite well. Today I am wondering how to unwatermark them. The gf has some old exams, they have a telephone number as watermark in very big numbers. I opened a page of a...
LXer: How to Take Screenshots without Shadows in KDE
Published at LXer: KDE's screenshot tool insists on including a shadow when capturing the screen. This shows how to take screenshots without the shadow in KDE. Read More......
LXer: Use Emacs Org mode to easily create LaTeX documents
Published at LXer: LaTeX is a powerful system, especially for writing scientific and technical documents. But writing documents in LaTeX can be confusing because you need to know a lot of commands,...
LXer: How To Easily Configure Flatpak Apps Permissions With Flatseal In Linux
Published at LXer: Flatseal is a simple graphical GTK application that allows the users to review and modify flatpak apps basic permissions in Linux. Read More......
Elementary OS shows No sound device
I was wondering if you could help me. I'm using eOS 5.1 which is based on 18.04 Ubuntu My computer all of a sudden shows now sound device. I have deleted and reinstalled asla I have deleted...
LXer: Security monitoring in Linux with Tripwire
Published at LXer: Loved by sysadmins and hated by intruders. Get the inside scoop on Tripwire to enhance your system's security. Read More......
Suggestions for an input tablet compatible with Linux + GIMP
Hi, I'd like to know if anyone can recommend an input tablet for drawing that is compatible with Linux and in particular, works in GIMP. I understand there are drivers for Wacom tablets but would like...
LXer: Not-actually Linux distro review: FreeBSD 12.1-RELEASE
Published at LXer: This month's Linux distro review isn't of a Linux distribution at all—instead, we're taking a look at FreeBSD, the original gangster of free Unix-like operating systems. Read...
Purchased Cool Switch but most Ethernet ports don't have internet for installed OS.
Hello. I got a good deal on a Edgecore AS4610-54P 54 port barebone switch (https://www.edge-core.com/productsInfo.php?cls=&cls2=&cls3=46&id=20) and wanted to just use it as a dummy switch for the...
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