How can I put the /user.slice under the /system.slice?

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When running a Kubernetes cluster, it is recommended that /user.slice resides under the SystemReserved top level cgroup (i.e. under /system.slice).



According to the systemd.slice documentation, a slice's name encodes its location in the hierachy, so how can I rename the existing user.slice unit to system-user.slice so that this is so, without renaming the existing system file at /usr/lib/systemd/system/user.slice (as this is bad practice) and make sure that systemd-logind uses system-user.slice for user login sessions instead.



Alternatively, if the slice unit renaming is not possible, is it possible to just configure systemd-logind to place user sessions under a slice other than /user.slice?




  • uname -a: Linux ip-10-99-55-207.eu-west-1.compute.internal 4.16.2-1.el7.elrepo.x86_64 #1 SMP Thu Apr 12 09:08:05 EDT 2018 x86_64 x86_64 x86_64 GNU/Linux


  • cat /etc/centos-release: CentOS Linux release 7.4.1708 (Core)



linux systemd kubernetes




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  • That is an expression of desire for systemd to work differently in a proposal document, not a recommendation of good practice.
    – JdeBP
    Jun 7 at 10:58










  • @JdeBP is this regarding renaming the system slice units? So are you saying renaming a system (slice) unit is okay?
    – dippynark
    Jun 7 at 13:11














up vote
0
down vote

favorite












When running a Kubernetes cluster, it is recommended that /user.slice resides under the SystemReserved top level cgroup (i.e. under /system.slice).



According to the systemd.slice documentation, a slice's name encodes its location in the hierachy, so how can I rename the existing user.slice unit to system-user.slice so that this is so, without renaming the existing system file at /usr/lib/systemd/system/user.slice (as this is bad practice) and make sure that systemd-logind uses system-user.slice for user login sessions instead.



Alternatively, if the slice unit renaming is not possible, is it possible to just configure systemd-logind to place user sessions under a slice other than /user.slice?




  • uname -a: Linux ip-10-99-55-207.eu-west-1.compute.internal 4.16.2-1.el7.elrepo.x86_64 #1 SMP Thu Apr 12 09:08:05 EDT 2018 x86_64 x86_64 x86_64 GNU/Linux


  • cat /etc/centos-release: CentOS Linux release 7.4.1708 (Core)



linux systemd kubernetes




share|improve this question



















  • That is an expression of desire for systemd to work differently in a proposal document, not a recommendation of good practice.
    – JdeBP
    Jun 7 at 10:58










  • @JdeBP is this regarding renaming the system slice units? So are you saying renaming a system (slice) unit is okay?
    – dippynark
    Jun 7 at 13:11












up vote
0
down vote

favorite









up vote
0
down vote

favorite











When running a Kubernetes cluster, it is recommended that /user.slice resides under the SystemReserved top level cgroup (i.e. under /system.slice).



According to the systemd.slice documentation, a slice's name encodes its location in the hierachy, so how can I rename the existing user.slice unit to system-user.slice so that this is so, without renaming the existing system file at /usr/lib/systemd/system/user.slice (as this is bad practice) and make sure that systemd-logind uses system-user.slice for user login sessions instead.



Alternatively, if the slice unit renaming is not possible, is it possible to just configure systemd-logind to place user sessions under a slice other than /user.slice?




  • uname -a: Linux ip-10-99-55-207.eu-west-1.compute.internal 4.16.2-1.el7.elrepo.x86_64 #1 SMP Thu Apr 12 09:08:05 EDT 2018 x86_64 x86_64 x86_64 GNU/Linux


  • cat /etc/centos-release: CentOS Linux release 7.4.1708 (Core)



linux systemd kubernetes




share|improve this question











When running a Kubernetes cluster, it is recommended that /user.slice resides under the SystemReserved top level cgroup (i.e. under /system.slice).



According to the systemd.slice documentation, a slice's name encodes its location in the hierachy, so how can I rename the existing user.slice unit to system-user.slice so that this is so, without renaming the existing system file at /usr/lib/systemd/system/user.slice (as this is bad practice) and make sure that systemd-logind uses system-user.slice for user login sessions instead.



Alternatively, if the slice unit renaming is not possible, is it possible to just configure systemd-logind to place user sessions under a slice other than /user.slice?




  • uname -a: Linux ip-10-99-55-207.eu-west-1.compute.internal 4.16.2-1.el7.elrepo.x86_64 #1 SMP Thu Apr 12 09:08:05 EDT 2018 x86_64 x86_64 x86_64 GNU/Linux


  • cat /etc/centos-release: CentOS Linux release 7.4.1708 (Core)




linux systemd kubernetes





share|improve this question










share|improve this question




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asked Jun 7 at 7:01









dippynark

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  • That is an expression of desire for systemd to work differently in a proposal document, not a recommendation of good practice.
    – JdeBP
    Jun 7 at 10:58










  • @JdeBP is this regarding renaming the system slice units? So are you saying renaming a system (slice) unit is okay?
    – dippynark
    Jun 7 at 13:11
















  • That is an expression of desire for systemd to work differently in a proposal document, not a recommendation of good practice.
    – JdeBP
    Jun 7 at 10:58










  • @JdeBP is this regarding renaming the system slice units? So are you saying renaming a system (slice) unit is okay?
    – dippynark
    Jun 7 at 13:11















That is an expression of desire for systemd to work differently in a proposal document, not a recommendation of good practice.
– JdeBP
Jun 7 at 10:58




That is an expression of desire for systemd to work differently in a proposal document, not a recommendation of good practice.
– JdeBP
Jun 7 at 10:58












@JdeBP is this regarding renaming the system slice units? So are you saying renaming a system (slice) unit is okay?
– dippynark
Jun 7 at 13:11




@JdeBP is this regarding renaming the system slice units? So are you saying renaming a system (slice) unit is okay?
– dippynark
Jun 7 at 13:11















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