Re: /etc/fstab question (problem)?
On 4/22/23 08:24, David Wright wrote:
On Fri 21 Apr 2023 at 15:46:30 (-0700), David Christensen wrote:
On 4/21/23 08:12, Max Nikulin wrote:
On 20/04/2023 04:03, David Christensen wrote:
* What if root attempts to remove everything under /etc, in
anticipation of mounting a file system at /etc, when one or
more programs have one or more open temporary files?
With one exception, I've not seen root (whichever process that
refers to) doing anything like that in anticipation of mounting
a filesystem, so I wondered where that realisation came from.
The exception (which I haven't actually observed) is run-init
tearing down the initramfs before the true root is mounted.
You're right; what I wrote makes no sense -- because it is wrong:
On 4/21/23 08:12, Max Nikulin wrote:
> David, you were wrote /etc instead of /tmp in several messages
On 4/21/23 15:46, David Christensen wrote:
> I apologize for the errors. :-(
<snip>
"Back in the day", people running Linux had computers with limited
amounts of storage and memory. I imagine an initial ramdisk seemed like
an good trade-off/ work-around at that time.
But today, this is my Linux daily driver:
2023-04-22 16:25:50 root@taz ~
# cat /etc/debian_version ; uname -a
11.6
Linux taz 5.10.0-21-amd64 #1 SMP Debian 5.10.162-1 (2023-01-21) x86_64
GNU/Linux
2023-04-22 17:52:29 root@taz ~
# lsmem
RANGE SIZE STATE REMOVABLE BLOCK
0x0000000000000000-0x000000007fffffff 2G online yes 0-15
0x0000000100000000-0x000000087fffffff 30G online yes 32-271
Memory block size: 128M
Total online memory: 32G
Total offline memory: 0B
2023-04-22 18:40:09 root@taz ~
# df /boot
Filesystem 1M-blocks Used Available Use% Mounted on
/dev/sda2 921M 114M 744M 14% /boot
2023-04-22 16:26:05 root@taz ~
# ls -l /boot/initrd.img-5.10.0-21-amd64 /boot/vmlinuz-5.10.0-21-amd64
-rw-r--r-- 1 root root 47837534 Mar 18 19:23
/boot/initrd.img-5.10.0-21-amd64
-rw-r--r-- 1 root root 7019136 Jan 21 06:35 /boot/vmlinuz-5.10.0-21-amd64
The Linux kernel is ~7 MB and initrd.img is ~48 MB. My daily driver is
complete overkill.
Even my 2007 laptop has 2 GB of memory an a 1 GB boot partition/
filesystem. Still overkill.
I would gladly accept a 48 MB vmlinuz to be rid of initrd.img and its
complexities.
The resource hogs today are the apps, not the OS. Give me a KISS OS.
David
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