Is there a tool that allows logging of memory usage?
I want to monitor memory usage of a process, and I want this data to be logged. Does such a tool exist?
Unix & Linux
Restarting systemd service only as a specific user?
I created some systemd services which basically works:
How to mitigate the Spectre and Meltdown vulnerabilities on Linux systems?
Security researchers have published on the Project Zero a new vulnerability called Spectre and Meltdown allowing a program to steal information from a memory of others programs. It affects Intel, AMD and ARM architectures.
Bash: calculate the time elapsed between two timestamps
I have written a script that notifies me when a value is not within a given range. All values “out of range” are logged in a set of per day files.
How to display control characters (^C, ^D, ^[, …) differently in the shell
When you type control characters in the shell they get displayed using what is called “caret notation”. Escape for example gets written as ^[ in caret notation.
can not use mount.cifs: mount error(2): No such file or directory
The command mount.cifs is found not being able to run in a gentoo system with systemd
Allowing a user to use sudo without a password
On a sandbox VM environment, I have a setup of Ubuntu Linux which is firewalled and cannot be accessed from outside the local system. Therefore, on that VM, I’d like to give the administrative user (which I set up) the ability to run anything with sudo and not need a password.
Why is FreeBSD deprecating GCC in favor of Clang/LLVM?
So I was surfing the net and stumbled upon this article. It basically states that FreeBSD, starting from Version 10 and above will deprecate GCC in favor of Clang/LLVM.
What does a program do when it’s sent SIGKILL signal?
When I used killall -9 name to kill a program, the state become zombie. Some minutes later, it stopped really.
So, what’s happening during those minutes?
How far can you go with rm -rf / as root
If you are root, and you issue