Added some info from the my system: [root at web-devel-local-1 ~]# uname -a Linux web-devel-local-1.in.parkam-ip.com 3.10.0-327.3.1.el7.x86_64 #1 SMP Wed Dec 9 14:09:15 UTC 2015 x86_64 x86_64 x86_64 GNU/Linux [root at web-devel-local-1 ~]# cat /etc/sysctl.d/sysctl.conf # System default settings live in /usr/lib/sysctl.d/00-system.conf. # To override those settings, enter new settings here, or in an /etc/sysctl.d/<name>.conf file # # For more information, see sysctl.conf(5) and sysctl.d(5). net.ipv4.ip_forward = 0 kernel.panic = 20 kernel.sem = 250 65000 32 256 vm.swappiness = 10 net.ipv4.conf.all.log_martians = 1 kernel.dmesg_restrict = 1 vm.dirty_ratio = 15 net.ipv6.conf.default.disable_ipv6 = 1 net.ipv4.tcp_syncookies = 1 net.ipv6.conf.all.disable_ipv6 = 1 kernel.kptr_restrict = 1 [root at web-devel-local-1 ~]# systemctl status systemd-sysctl ● systemd-sysctl.service - Apply Kernel Variables Loaded: loaded (/usr/lib/systemd/system/systemd-sysctl.service; static; vendor preset: disabled) Active: active (exited) since Thu 2015-12-24 09:05:15 IST; 3min 8s ago Docs: man:systemd-sysctl.service(8) man:sysctl.d(5) Process: 488 ExecStart=/usr/lib/systemd/systemd-sysctl (code=exited, status=0/SUCCESS) Main PID: 488 (code=exited, status=0/SUCCESS) CGroup: /system.slice/systemd-sysctl.service Dec 24 09:05:14 web-devel-local-1.in.parkam-ip.com systemd[1]: Starting Apply Kernel Variables... Dec 24 09:05:15 web-devel-local-1.in.parkam-ip.com systemd[1]: Started Apply Kernel Variables. [root at web-devel-local-1 ~]# reboot [root at web-devel-local-1 ~]# cat /proc/sys/vm/swappiness 30 [root at web-devel-local-1 ~]# /usr/lib/systemd/systemd-sysctl [root at web-devel-local-1 ~]# cat /proc/sys/vm/swappiness 10 [root at web-devel-local-1 ~]# cat /usr/lib/systemd/system/systemd-sysctl.service # This file is part of systemd. # # systemd is free software; you can redistribute it and/or modify it # under the terms of the GNU Lesser General Public License as published by # the Free Software Foundation; either version 2.1 of the License, or # (at your option) any later version. [Unit] Description=Apply Kernel Variables Documentation=man:systemd-sysctl.service(8) man:sysctl.d(5) DefaultDependencies=no Conflicts=shutdown.target After=systemd-readahead-collect.service systemd-readahead-replay.service After=systemd-modules-load.service Before=sysinit.target shutdown.target ConditionPathIsReadWrite=/proc/sys/ [Service] Type=oneshot RemainAfterExit=yes ExecStart=/usr/lib/systemd/systemd-sysctl On Thu, Dec 24, 2015 at 9:01 AM, Ofer Hasson <hassonofer at gmail.com> wrote: > also in /etc/sysctl.d/ > > On Thu, Dec 24, 2015 at 8:58 AM, Gordon Messmer <gordon.messmer at gmail.com> > wrote: > >> On 12/23/2015 05:08 AM, Ofer Hasson wrote: >> >>> By running "systemctl status systemd-sysctl" I also receive the same >>> output, but a simple "cat /proc/sys/vm/swappiness" returns the default >>> value, and not the one set by my conf file. >>> >> >> All of mine, as set by files in /etc/sysctl.d/, are correct after boot. >> Where is your conf file? >> >> _______________________________________________ >> CentOS mailing list >> CentOS at centos.org >> https://lists.centos.org/mailman/listinfo/centos >> > >