systemd timer every 15 minutes
I’m trying to make a systemd timer that runs every 15 minutes. Right now I have:
Unix & Linux
Why does the X Window System use a server?
I never really understood why a window system must have a server. Why do desktop environments, display managers and window managers need xorg-server? Is it only to have a layer of abstraction on top of the graphics card? Why do window systems employ a client-server model? Wouldn’t inter-process communication via named pipes be simpler?
How to find and delete files older than specific days in unix?
I have got one folder for log with 7 folders in it. Those seven folders too have subfolders in them and those subfolders have subfolders too. I want to delete all the files older than 15 days in all folders including subfolders without touching folder structrure, that means only files.
What’s the difference between poweroff and halt?
To turn off my system, I can use one of these three commands: sudo halt Or: sudo poweroff Or: sudo shutdown -h now What are the differences between these commands, or are they all just aliases of each other? Answers: Thank you for visiting the Q&A section on Magenaut. Please note that all the answers … Read more
How to burn iso image to DVD using dd command
I was looking at the command to burn iso image to a dvd. But I couldnt get the name of the device. In the /dev/ I could see cdrom,cdrw,dvd,dvdrw. I am using debian.
How do I reserve ports for my application?
How do I reserve a list of ports for my custom applications?
Filtering invalid utf8
I have a text file in an unknown or mixed encoding. I want to see the lines that contain a byte sequence that is not valid UTF-8 (by piping the text file into some program). Equivalently, I want to filter out the lines that are valid UTF-8. In other words, I’m looking for grep [notutf8].
Create and control start up scripts in BusyBox
I have compiled a custom linux kernel in BusyBox. BusyBox init does not support runlevels. When the kernel boots up in BusyBox, it first executes init which looks for the specified runlevel in /etc/inittab. BusyBox init works just fine without /etc/inittab. When no inittab is found it has the following behavior:
How to detect and mitigate the Intel escalation of privilege vulnerability on a Linux system (CVE-2017-5689)?
According to the Intel security-center post dated May 1, 2017, there is a critical vulnerability on Intel processors which could allow an attacker to gain privilege (escalation of privilege) using AMT, ISM and SBT.
Terminal – create hyperlinks
I am creating Log-Reports which are viewable through the Web-browser. Is there an easy way to make links clickable in Linux Terminal? (Gnome-Terminal)