Init startup script ordering

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In the /etc/rc5.d directory there are example 2 shells to be executed on boot. S02dbus-1 and S20syslog. From my understanding S02dbus-1 will be executed first. Now if I take a look at the shell script of S02dbus-1 the header says # Required-Start: $remote_fs $syslog.
Does this mean syslog should already be running in order to start the dbus script ? If this is the case how come syslog will be executed after dbus ?
Is there also an easy way to visualise the boot process ? So I can easily see which scripts get executed when and when scripts are executed in parallel.







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  • You are assuming that that is your boot process. Depending from the operating system, these may have nothing to do with it at all. You need to explain in the question how you know that you are using van Smoorenburg rc, or at the very least mention the name and version of the operating system.
    – JdeBP
    Jul 20 at 11:58
















up vote
1
down vote

favorite












In the /etc/rc5.d directory there are example 2 shells to be executed on boot. S02dbus-1 and S20syslog. From my understanding S02dbus-1 will be executed first. Now if I take a look at the shell script of S02dbus-1 the header says # Required-Start: $remote_fs $syslog.
Does this mean syslog should already be running in order to start the dbus script ? If this is the case how come syslog will be executed after dbus ?
Is there also an easy way to visualise the boot process ? So I can easily see which scripts get executed when and when scripts are executed in parallel.







share|improve this question



















  • You are assuming that that is your boot process. Depending from the operating system, these may have nothing to do with it at all. You need to explain in the question how you know that you are using van Smoorenburg rc, or at the very least mention the name and version of the operating system.
    – JdeBP
    Jul 20 at 11:58












up vote
1
down vote

favorite









up vote
1
down vote

favorite











In the /etc/rc5.d directory there are example 2 shells to be executed on boot. S02dbus-1 and S20syslog. From my understanding S02dbus-1 will be executed first. Now if I take a look at the shell script of S02dbus-1 the header says # Required-Start: $remote_fs $syslog.
Does this mean syslog should already be running in order to start the dbus script ? If this is the case how come syslog will be executed after dbus ?
Is there also an easy way to visualise the boot process ? So I can easily see which scripts get executed when and when scripts are executed in parallel.







share|improve this question











In the /etc/rc5.d directory there are example 2 shells to be executed on boot. S02dbus-1 and S20syslog. From my understanding S02dbus-1 will be executed first. Now if I take a look at the shell script of S02dbus-1 the header says # Required-Start: $remote_fs $syslog.
Does this mean syslog should already be running in order to start the dbus script ? If this is the case how come syslog will be executed after dbus ?
Is there also an easy way to visualise the boot process ? So I can easily see which scripts get executed when and when scripts are executed in parallel.









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asked Jul 20 at 7:51









mbouchi

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  • You are assuming that that is your boot process. Depending from the operating system, these may have nothing to do with it at all. You need to explain in the question how you know that you are using van Smoorenburg rc, or at the very least mention the name and version of the operating system.
    – JdeBP
    Jul 20 at 11:58
















  • You are assuming that that is your boot process. Depending from the operating system, these may have nothing to do with it at all. You need to explain in the question how you know that you are using van Smoorenburg rc, or at the very least mention the name and version of the operating system.
    – JdeBP
    Jul 20 at 11:58















You are assuming that that is your boot process. Depending from the operating system, these may have nothing to do with it at all. You need to explain in the question how you know that you are using van Smoorenburg rc, or at the very least mention the name and version of the operating system.
– JdeBP
Jul 20 at 11:58




You are assuming that that is your boot process. Depending from the operating system, these may have nothing to do with it at all. You need to explain in the question how you know that you are using van Smoorenburg rc, or at the very least mention the name and version of the operating system.
– JdeBP
Jul 20 at 11:58















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