[systemd-devel] when tmp.mount masked - root partition mounted read only

2023-04-03 Thread Gena Makhomed
Hello, All! Rocky Linux 9.1, systemd 250 (250-12.el9_1.3) After server installation and reboot - root partition mounted read only when tmp.mount masked. Without any errors or warnings in any log files. I spent many time to find root cause of this bug. I try almost anything, but this message on

Re: [systemd-devel] How to make vtable entry as SD_BUS_VTABLE_UNPRIVILEGED

2023-04-03 Thread Lal, Arun
Hi Lennart, Thanks for the reply 😊 I will go through the man page. Thanks for providing the accurate link to sd_bus_add_object. Regards, Arun Lal K M -Original Message- From: Lennart Poettering Sent: Monday, April 3, 2023 2:36 PM To: Lal, Arun Cc: systemd-devel@lists.freedesktop.org

Re: [systemd-devel] how to let systemd hibernate start/stop the swap area?

2023-04-03 Thread Michael Chapman
On Mon, 3 Apr 2023, Lennart Poettering wrote: > On Sa, 01.04.23 06:16, Michael Chapman (m...@very.puzzling.org) wrote: > > > > Well, in larger environments the goal is typically to saturate all > > > hosts, but not overload them. i.e. maximizing your ROI. No need to > > > fall from one extreme int

Re: [systemd-devel] How to make vtable entry as SD_BUS_VTABLE_UNPRIVILEGED

2023-04-03 Thread Lennart Poettering
On Fr, 31.03.23 16:01, Lal, Arun (arun@intel.com) wrote: > Hi Lennart, > > Thanks for the reply 😊 > > I had seen SD_BUS_METHOD function. But my doubt was bit different. > > check_access function get the variable v as shown below > > /* Then, look for a known method */ > vtable_key.path

Re: [systemd-devel] how to let systemd hibernate start/stop the swap area?

2023-04-03 Thread Lennart Poettering
On Sa, 01.04.23 06:16, Michael Chapman (m...@very.puzzling.org) wrote: > > Well, in larger environments the goal is typically to saturate all > > hosts, but not overload them. i.e. maximizing your ROI. No need to > > fall from one extreme into the other. Today's Linux can actually > > achieve some

Re: [systemd-devel] how to let systemd hibernate start/stop the swap area?

2023-04-03 Thread Lennart Poettering
On Fr, 31.03.23 13:34, Christoph Anton Mitterer (cales...@scientia.org) wrote: > Hey. > > Just for better understanding: > > AFAIU, the main idea of having swap despite enough memory was the > following: > > Unless when processes explicitly release memory (or get stopped), the > kernel can mostly