Fedora /etc/sysctl.conf not loaded upon boot
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2
down vote
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I am running Fedora 27 with kernel 4.14.5 and have a problem that /etc/sysctl.conf is not being loaded upon boot.
If I run:
sudo sysctl -p
after boot, my settings are loaded and everything works fine.
What do I need to do to enable the loading of /etc/sysctl.conf or what alternatives are there to load it?
fedora sysctl
edited Dec 16 '17 at 6:56
Vlastimil
6,4211147119
asked Dec 16 '17 at 5:56
Anton Althoff
133
migrated from serverfault.com Dec 16 '17 at 6:08
This question came from our site for system and network administrators.
add a comment |Â
up vote
2
down vote
favorite
I am running Fedora 27 with kernel 4.14.5 and have a problem that /etc/sysctl.conf is not being loaded upon boot.
If I run:
sudo sysctl -p
after boot, my settings are loaded and everything works fine.
What do I need to do to enable the loading of /etc/sysctl.conf or what alternatives are there to load it?
fedora sysctl
edited Dec 16 '17 at 6:56
Vlastimil
6,4211147119
asked Dec 16 '17 at 5:56
Anton Althoff
133
migrated from serverfault.com Dec 16 '17 at 6:08
This question came from our site for system and network administrators.
add a comment |Â
up vote
2
down vote
favorite
up vote
2
down vote
favorite
I am running Fedora 27 with kernel 4.14.5 and have a problem that /etc/sysctl.conf is not being loaded upon boot.
If I run:
sudo sysctl -p
after boot, my settings are loaded and everything works fine.
What do I need to do to enable the loading of /etc/sysctl.conf or what alternatives are there to load it?
fedora sysctl
edited Dec 16 '17 at 6:56
Vlastimil
6,4211147119
asked Dec 16 '17 at 5:56
Anton Althoff
133
I am running Fedora 27 with kernel 4.14.5 and have a problem that /etc/sysctl.conf is not being loaded upon boot.
If I run:
sudo sysctl -p
after boot, my settings are loaded and everything works fine.
What do I need to do to enable the loading of /etc/sysctl.conf or what alternatives are there to load it?
fedora sysctl
edited Dec 16 '17 at 6:56
Vlastimil
6,4211147119
asked Dec 16 '17 at 5:56
Anton Althoff
133
edited Dec 16 '17 at 6:56
Vlastimil
6,4211147119
edited Dec 16 '17 at 6:56
Vlastimil
6,4211147119
edited Dec 16 '17 at 6:56
Vlastimil
6,4211147119
6,4211147119
asked Dec 16 '17 at 5:56
Anton Althoff
133
asked Dec 16 '17 at 5:56
Anton Althoff
133
asked Dec 16 '17 at 5:56
Anton Althoff
133
133
migrated from serverfault.com Dec 16 '17 at 6:08
This question came from our site for system and network administrators.
migrated from serverfault.com Dec 16 '17 at 6:08
This question came from our site for system and network administrators.
add a comment |Â
add a comment |Â
2 Answers
2
active
oldest
votes
up vote
3
down vote
accepted
In systemd operating systems like Fedora, loading these settings is done with the systemd-sysctl commmand, run by the systemd-sysctl service. Your problem is that you have put the settings in the wrong configuration file.
systemd-sysctl does not read /etc/sysctl.conf. It reads a whole bunch of *.conf files in (amongst other places) the /etc/sysctl.d directory. You should create such a file and put your settings there.
Further reading
- Lennart Poettering et al. (2016).
systemd-sysctl. systemd manual pages. Freedesktop.org. - Lennart Poettering et al. (2016).
sysctl.d. systemd manual pages. Freedesktop.org.
answered Dec 16 '17 at 10:46
JdeBP
28.6k459134
add a comment |Â
up vote
1
down vote
Edit your root's CRON:
sudo crontab -e
Paste the following:
@reboot /sbin/sysctl --load=/etc/sysctl.conf
answered Dec 16 '17 at 6:24
Vlastimil
6,4211147119
This will work, but is a kludge around a different configuration problem.
– mattdm
Dec 16 '17 at 14:12
@mattdm I myself am using it. Tell me in detail, what problems it might cause as for your claim. Thanks.
– Vlastimil
Dec 16 '17 at 14:19
It's not the normal way to configure this. There's many ways to do things, and if you like a certain way, that's fine, but the other answer represents the standard way. That's important if you ever work on other systems, or if other people work on yours, or if you want the knowledge to transfer for a job or something.
– mattdm
Dec 16 '17 at 15:13
1
Additionally, this will trigger after a reboot when cron starts. Thesystemd-sysctlservice usually starts very early. That's probably not going to cause a problem in real life, but could, depending on what you want to set.
– mattdm
Dec 16 '17 at 15:14
add a comment |Â
2 Answers
2
active
oldest
votes
2 Answers
2
active
oldest
votes
active
oldest
votes
active
oldest
votes
up vote
3
down vote
accepted
In systemd operating systems like Fedora, loading these settings is done with the systemd-sysctl commmand, run by the systemd-sysctl service. Your problem is that you have put the settings in the wrong configuration file.
systemd-sysctl does not read /etc/sysctl.conf. It reads a whole bunch of *.conf files in (amongst other places) the /etc/sysctl.d directory. You should create such a file and put your settings there.
Further reading
- Lennart Poettering et al. (2016).
systemd-sysctl. systemd manual pages. Freedesktop.org. - Lennart Poettering et al. (2016).
sysctl.d. systemd manual pages. Freedesktop.org.
answered Dec 16 '17 at 10:46
JdeBP
28.6k459134
add a comment |Â
up vote
3
down vote
accepted
In systemd operating systems like Fedora, loading these settings is done with the systemd-sysctl commmand, run by the systemd-sysctl service. Your problem is that you have put the settings in the wrong configuration file.
systemd-sysctl does not read /etc/sysctl.conf. It reads a whole bunch of *.conf files in (amongst other places) the /etc/sysctl.d directory. You should create such a file and put your settings there.
Further reading
- Lennart Poettering et al. (2016).
systemd-sysctl. systemd manual pages. Freedesktop.org. - Lennart Poettering et al. (2016).
sysctl.d. systemd manual pages. Freedesktop.org.
answered Dec 16 '17 at 10:46
JdeBP
28.6k459134
add a comment |Â
up vote
3
down vote
accepted
up vote
3
down vote
accepted
In systemd operating systems like Fedora, loading these settings is done with the systemd-sysctl commmand, run by the systemd-sysctl service. Your problem is that you have put the settings in the wrong configuration file.
systemd-sysctl does not read /etc/sysctl.conf. It reads a whole bunch of *.conf files in (amongst other places) the /etc/sysctl.d directory. You should create such a file and put your settings there.
Further reading
- Lennart Poettering et al. (2016).
systemd-sysctl. systemd manual pages. Freedesktop.org. - Lennart Poettering et al. (2016).
sysctl.d. systemd manual pages. Freedesktop.org.
answered Dec 16 '17 at 10:46
JdeBP
28.6k459134
In systemd operating systems like Fedora, loading these settings is done with the systemd-sysctl commmand, run by the systemd-sysctl service. Your problem is that you have put the settings in the wrong configuration file.
systemd-sysctl does not read /etc/sysctl.conf. It reads a whole bunch of *.conf files in (amongst other places) the /etc/sysctl.d directory. You should create such a file and put your settings there.
Further reading
- Lennart Poettering et al. (2016).
systemd-sysctl. systemd manual pages. Freedesktop.org. - Lennart Poettering et al. (2016).
sysctl.d. systemd manual pages. Freedesktop.org.
answered Dec 16 '17 at 10:46
JdeBP
28.6k459134
answered Dec 16 '17 at 10:46
JdeBP
28.6k459134
answered Dec 16 '17 at 10:46
JdeBP
28.6k459134
answered Dec 16 '17 at 10:46
JdeBP
28.6k459134
28.6k459134
add a comment |Â
add a comment |Â
up vote
1
down vote
Edit your root's CRON:
sudo crontab -e
Paste the following:
@reboot /sbin/sysctl --load=/etc/sysctl.conf
answered Dec 16 '17 at 6:24
Vlastimil
6,4211147119
This will work, but is a kludge around a different configuration problem.
– mattdm
Dec 16 '17 at 14:12
@mattdm I myself am using it. Tell me in detail, what problems it might cause as for your claim. Thanks.
– Vlastimil
Dec 16 '17 at 14:19
It's not the normal way to configure this. There's many ways to do things, and if you like a certain way, that's fine, but the other answer represents the standard way. That's important if you ever work on other systems, or if other people work on yours, or if you want the knowledge to transfer for a job or something.
– mattdm
Dec 16 '17 at 15:13
1
Additionally, this will trigger after a reboot when cron starts. Thesystemd-sysctlservice usually starts very early. That's probably not going to cause a problem in real life, but could, depending on what you want to set.
– mattdm
Dec 16 '17 at 15:14
add a comment |Â
up vote
1
down vote
Edit your root's CRON:
sudo crontab -e
Paste the following:
@reboot /sbin/sysctl --load=/etc/sysctl.conf
answered Dec 16 '17 at 6:24
Vlastimil
6,4211147119
This will work, but is a kludge around a different configuration problem.
– mattdm
Dec 16 '17 at 14:12
@mattdm I myself am using it. Tell me in detail, what problems it might cause as for your claim. Thanks.
– Vlastimil
Dec 16 '17 at 14:19
It's not the normal way to configure this. There's many ways to do things, and if you like a certain way, that's fine, but the other answer represents the standard way. That's important if you ever work on other systems, or if other people work on yours, or if you want the knowledge to transfer for a job or something.
– mattdm
Dec 16 '17 at 15:13
1
Additionally, this will trigger after a reboot when cron starts. Thesystemd-sysctlservice usually starts very early. That's probably not going to cause a problem in real life, but could, depending on what you want to set.
– mattdm
Dec 16 '17 at 15:14
add a comment |Â
up vote
1
down vote
up vote
1
down vote
Edit your root's CRON:
sudo crontab -e
Paste the following:
@reboot /sbin/sysctl --load=/etc/sysctl.conf
answered Dec 16 '17 at 6:24
Vlastimil
6,4211147119
Edit your root's CRON:
sudo crontab -e
Paste the following:
@reboot /sbin/sysctl --load=/etc/sysctl.conf
answered Dec 16 '17 at 6:24
Vlastimil
6,4211147119
edited Dec 16 '17 at 11:54
answered Dec 16 '17 at 6:24
Vlastimil
6,4211147119
answered Dec 16 '17 at 6:24
Vlastimil
6,4211147119
answered Dec 16 '17 at 6:24
Vlastimil
6,4211147119
6,4211147119
This will work, but is a kludge around a different configuration problem.
– mattdm
Dec 16 '17 at 14:12
@mattdm I myself am using it. Tell me in detail, what problems it might cause as for your claim. Thanks.
– Vlastimil
Dec 16 '17 at 14:19
It's not the normal way to configure this. There's many ways to do things, and if you like a certain way, that's fine, but the other answer represents the standard way. That's important if you ever work on other systems, or if other people work on yours, or if you want the knowledge to transfer for a job or something.
– mattdm
Dec 16 '17 at 15:13
1
Additionally, this will trigger after a reboot when cron starts. Thesystemd-sysctlservice usually starts very early. That's probably not going to cause a problem in real life, but could, depending on what you want to set.
– mattdm
Dec 16 '17 at 15:14
add a comment |Â
This will work, but is a kludge around a different configuration problem.
– mattdm
Dec 16 '17 at 14:12
@mattdm I myself am using it. Tell me in detail, what problems it might cause as for your claim. Thanks.
– Vlastimil
Dec 16 '17 at 14:19
It's not the normal way to configure this. There's many ways to do things, and if you like a certain way, that's fine, but the other answer represents the standard way. That's important if you ever work on other systems, or if other people work on yours, or if you want the knowledge to transfer for a job or something.
– mattdm
Dec 16 '17 at 15:13
1
Additionally, this will trigger after a reboot when cron starts. Thesystemd-sysctlservice usually starts very early. That's probably not going to cause a problem in real life, but could, depending on what you want to set.
– mattdm
Dec 16 '17 at 15:14
This will work, but is a kludge around a different configuration problem.
– mattdm
Dec 16 '17 at 14:12
This will work, but is a kludge around a different configuration problem.
– mattdm
Dec 16 '17 at 14:12
@mattdm I myself am using it. Tell me in detail, what problems it might cause as for your claim. Thanks.
– Vlastimil
Dec 16 '17 at 14:19
@mattdm I myself am using it. Tell me in detail, what problems it might cause as for your claim. Thanks.
– Vlastimil
Dec 16 '17 at 14:19
It's not the normal way to configure this. There's many ways to do things, and if you like a certain way, that's fine, but the other answer represents the standard way. That's important if you ever work on other systems, or if other people work on yours, or if you want the knowledge to transfer for a job or something.
– mattdm
Dec 16 '17 at 15:13
It's not the normal way to configure this. There's many ways to do things, and if you like a certain way, that's fine, but the other answer represents the standard way. That's important if you ever work on other systems, or if other people work on yours, or if you want the knowledge to transfer for a job or something.
– mattdm
Dec 16 '17 at 15:13
1
1
Additionally, this will trigger after a reboot when cron starts. The
systemd-sysctl service usually starts very early. That's probably not going to cause a problem in real life, but could, depending on what you want to set.– mattdm
Dec 16 '17 at 15:14
Additionally, this will trigger after a reboot when cron starts. The
systemd-sysctl service usually starts very early. That's probably not going to cause a problem in real life, but could, depending on what you want to set.– mattdm
Dec 16 '17 at 15:14
add a comment |Â
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