91
votes
"reboot" or "shutdown -r now": what restart command is safer?
Shutdown is preferable because it allows you to specify the reason for the drastic action -- something you should always do. The message will be recorded in the log(s) for posterity. For example:
...
- 2,377
58
votes
Accepted
"reboot" or "shutdown -r now": what restart command is safer?
For Red Hat systems, there is no functional difference between reboot and shutdown -r now.
Do whatever is easier for you.
- 198k
30
votes
What's the easiest way to make my old init script work in systemd?
For me it was easier to just add the init info block in the header as suggested here:
#!/bin/sh
### BEGIN INIT INFO
# Provides: solr
# Required-Start:
# Required-Stop:
# Default-...
- 837
17
votes
"reboot" or "shutdown -r now": what restart command is safer?
Using reboot is safer.
Using reboot your intent is clear and there is no way to mistype it for something else like shutdown -t now which could leads to a few headache if you are using on a remote ...
- 303
13
votes
"reboot" or "shutdown -r now": what restart command is safer?
If you take a look, in RHEL 7 both /sbin/shutdown and /sbin/reboot are actually just symlinks to systemd's systemctl command. So, use whatever you want. No functional difference as ewwhite told, not ...
- 32.1k
13
votes
Accepted
Parse error in sudoers file
A "sudo: parse error in ..." originating from /etc/sudoers or any of the files included with either the #include <filename> or #includedir <path> directives may be caused by a missing new-...
- 80.3k
12
votes
Start PHP-FPM with root option automatically
On systemd systems, you may have to configure this via systemd rather than system V init scripts
The below steps are tested and working on Ubuntu 16.04 LTS. And this is your culprit for redirected ...
- 6,330
10
votes
What's the easiest way to make my old init script work in systemd?
It's more convenient to run Solr using provided start script.
The systemd unit file looks like this:
[Unit]
Description=Apache Solr for Nextcloud's nextant app fulltext indexing
After=syslog.target ...
- 211
8
votes
PHP-FPM does not automatically start after reboot
I just ran into this very problem on Ubuntu 16.04 and I'm leaving my answer here for future users from Google who stumble onto the problem. Since chkconfig is mostly specific to CentOS, it obviously ...
- 317
8
votes
Accepted
Is there a way to control filesystem access with systemd?
You have a number of options actually, which you can define in the unit file(s) for your services. They all work on the same principle, by using bind mounts within the namespace systemd sets up for ...
- 80.3k
6
votes
How to find error messages from Linux init.d/rc.d scripts?
Messages from init scripts are generally not captured anywhere. Thus, you need to implement a way to do it yourself. A good idea is to use logger to send all output to syslog. This example will send ...
- 61
6
votes
Accepted
Where should init scripts be placed in Amazon Linux 2?
The new way is to create systemd unit file for your application or startup script. It may seem like an overkill for simple startup scripts but it is the way that most current Linux distros adopted - ...
- 25.5k
5
votes
s6 : how to get a run script running only once?
You can do this with s6, by including s6-svc -O /etc/s6/servicefolder at the beginning of your run script. This will tell to s6 to not start this service again.
Source: https://skarnet.org/software/...
5
votes
PHP-FPM does not automatically start after reboot
Since CentOS 7 you simply need to enable the services via systemctl:
systemctl enable php-fpm
You can check if it's running afterwards via:
systemctl status php-fpm
- 151
5
votes
Accepted
openvpn post-up script fails with “Operation not permitted” if and only if openvpn is run by systemd
This is the service file for OpenVPN (/lib/systemd/system/[email protected]):
[Unit]
Description=OpenVPN connection to %i
PartOf=openvpn.service
ReloadPropagatedFrom=openvpn.service
Before=systemd-...
- 1,673
5
votes
Restarting Puma using init.d
My solution was to switch to systemd as suggested in one of the comments above.
Remove the init.d for puma
sudo rv /etc/init.d/puma
sudo update-rc.d -f puma remove
sudo rm /usr/local/bin/run-puma
...
- 285
5
votes
Accepted
Create a custom /etc/init.d script in Debian 10 Buster
Smartass response:
apt-get install sysvinit-core
Disclaimer: I have not done this on Buster, don't try it on an important system.
Assuming you'd like to stick with the new default since Jessie, ...
- 379
4
votes
Parse error in sudoers file
Using the copy module is probably not the best choice to handle /etc/sudoers with Ansible.
The lineinfile module has an option to validate the file before saving. It is also easier to remove the line,...
- 9,640
4
votes
Accepted
Does systemd allow for functionality like authbind? Where you can allow a non-root user to bind to a priv port?
You could use systemd's socket activation functionality to achieve what you want (if the program you're running supports it). Systemd binds to the port as root then passes the socket to the ...
- 156
3
votes
Running arbitrary program as daemon from init script
The command "doesn't complete" because the daemon function does not run your application in the background for you. You will need to add an & to the end of your daemon command like so:
daemon --...
- 131
3
votes
Accepted
Start PHP-FPM with root option automatically
I finally found a solution. It turned out Ubuntu was using systemd to start and restart PHP-FPM and was therefor ignoring the init.d files.
If you experience issues with adjustments to init.d files ...
- 245
3
votes
missing start-stop-deamon on centos 6.8
start-stop-daemon is a Debian-specific script that exists only on Debian and systems derived from it, such as Ubuntu. You won't find it on CentOS, and indeed, it shouldn't be used as it isn't there.
...
- 248k
3
votes
systemd failing enable with "service is transient or generated". What's wrong with this configuration?
I suspect the file you placed in /etc/init.d/ was supposed to go to /etc/systemd/system/.
Move the systemd .service file away from the location meant for System V style init scripts and to a systemd ...
- 9,783
2
votes
How to automatically start mysql after server restart (CentOS + other distros)?
To enable mysql service on startup, use following command.
systemctl enable mysqld.service
It will create appropriate symbolic link for you.
2
votes
Can I make systemd show service status after starting or stopping a service?
I also needed it, so I made it a shell script function.
# Usage
# sc start nginx
# sc start nginx php74-php-fpm
function sc {
name="${@:(2)}";
echo "COMMAND: ${1}, NAME: ${name}...
- 121
2
votes
What's the easiest way to make my old init script work in systemd?
I had the same error while trying to use a LSB init script on CentOS 7.
Root cause turned out to be that the script was a symbolic link.
Once replaced with a copy of the original, everything worked ...
- 121
2
votes
RHEL4 script on shutdown
I've answered this sort of question before (hint: search my previous answers; I'm on a mobile currently), but the problem you are likely facing is that an init script will not be shutdown if a the ...
- 4,109
2
votes
Accepted
MySQL doesn't start after upgrading to Debian Jessie
The problem was related to ISPConfig, which created entries in /etc/fstab. The new default init-system systemd does not accept the lines any more (compared to sysvinit).
I found the solution by using ...
- 141
2
votes
Accepted
Ceph installs without init scipts. How do I get them?
initd has been replaced in CentOS7 with systemd. The systemd command to is systemctl. You should be able to start, stop, etc service by using the systemctl command. To start ceph-radosgw service you ...
- 9,640
2
votes
"reboot" or "shutdown -r now": what restart command is safer?
For modern RHEL you are recommended to use the systemctl command as summarised here: [recent] RHEL distributions should use the new systemctl command to issue poweroff/reboot. As stated in the ...
- 121
Only top scored, non community-wiki answers of a minimum length are eligible