[rlug] minimal vm :: postfix replacement?

Andrei POPESCU andreimpopescu at gmail.com
Sat Jul 11 12:54:02 EEST 2020


On Vi, 10 iul 20, 21:48:44, Adrian Sevcenco wrote:
> Salutare! Doresc sa vad cat de mult pot reduce consumul de memorie de sistem
> (adica ignorand serviciile pentru care e facut vm-ul)
> si cam ce mi-a mai ramas[1] e postfixul
> Prezenta acestuia e doar pentru trimiterea mailurilor de notificari de la
> diverse servicii din sistem, fie local fie la alt server
> Se poate face ceva? sau am ajuns la minim?
> Se mai poate face optimiza ceva la [1]? (nu doresc flame legate de systemd
> asa ca pe acela ignorati-l)

Poate reușești să scapi de cron (timere systemd) și chrony 
(systemd-timesyncd, dacă nu ai nevoie de partea de server).
 
> 176.0 KiB + 116.0 KiB = 292.0 KiB       agetty
> 232.0 KiB + 167.5 KiB = 399.5 KiB       atd
> 624.0 KiB + 183.0 KiB = 807.0 KiB       auditd
> 780.0 KiB + 141.5 KiB = 921.5 KiB       irqbalance
> 696.0 KiB + 281.5 KiB = 977.5 KiB       crond
> 856.0 KiB + 150.0 KiB =   1.0 MiB       systemd-logind
> 920.0 KiB + 144.0 KiB =   1.0 MiB       systemd-networkd
>   1.4 MiB + 136.0 KiB =   1.5 MiB       chronyd
>   1.0 MiB + 543.0 KiB =   1.6 MiB       dbus-daemon
>   1.5 MiB + 205.0 KiB =   1.7 MiB       systemd-journald
>   1.2 MiB + 526.0 KiB =   1.7 MiB       master
>   1.5 MiB + 196.0 KiB =   1.7 MiB       bash
>   1.3 MiB + 506.0 KiB =   1.8 MiB       VBoxService
>   1.3 MiB + 984.0 KiB =   2.2 MiB       pickup
>   1.3 MiB + 987.0 KiB =   2.3 MiB       qmgr
>   2.7 MiB +   1.1 MiB =   3.8 MiB       systemd-udevd
>   3.3 MiB +   2.9 MiB =   6.2 MiB       sshd (2)
>   5.1 MiB +   1.1 MiB =   6.2 MiB       systemd
> ---------------------------------
>                          36.1 MiB

Spor,
Andrei
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