That definitely did the trick I am creating/testing local qemu-based vagrant images. Very Nice not to have my host and ssd crushed every time I add boxes to vagrant! thanks very much again sir much appreciated
On Wed, Jun 29, 2016 at 4:55 PM, jsl6uy js16uy <[email protected]> wrote: > Did NOT even consider the consequence of the su. been pounding the head. > Thanks very much sir! > will try as you recommend and report back > > best regards > > On Wed, Jun 29, 2016 at 4:00 PM, Lennart Poettering < > [email protected]> wrote: > >> On Tue, 28.06.16 11:20, jsl6uy js16uy ([email protected]) wrote: >> >> > Hello all, hope all is well >> > >> > Should I be able to control the IO for a tar process? >> > >> > I am on arch linux using systemd-run to initiate a service to which I >> can >> > apply resource limits >> > >> > Linux 4.6.2-1-ARCH #1 SMP PREEMPT Wed Jun 8 08:40:59 CEST 2016 x86_64 >> > GNU/Linux >> > >> > systemctl --version >> > systemd 230 >> > +PAM -AUDIT -SELINUX -IMA -APPARMOR +SMACK -SYSVINIT +UTMP >> +LIBCRYPTSETUP >> > +GCRYPT +GNUTLS +ACL +XZ +LZ4 +SECCOMP +BLKID +ELFUTILS +KMOD +IDN >> > >> > >> > I am starting a transient service with the parameters below. I have >> tried >> > several combinations >> > >> > sudo systemd-run --unit=loadio -p "BlockIOWriteBandwidth=/dev/dm-1 50M" >> -- >> > su - foo -c "cd $PWD && tar vcf custom_box.box ./metadata.json >> > ./Vagrantfile ./box.img" >> >> So this creates a transient service unit, and then runs "su" inside of >> it, which will create a separate transient scope unit for the login >> session "su" creates. >> >> Or in other words: you actually create a the unit correctly, but then >> immediately escape it again for the actual command you want to run. >> >> Consider using the "User=" property instead of "su". "User=" does not >> involve PAM and hence does not result in creation of a new user login >> session. >> >> Lennart >> >> -- >> Lennart Poettering, Red Hat >> > >
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