Questions tagged [system-v]

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2 answers
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System V init service can't recongnise mongod

I have been following official guide for installing mongodb but it wont run as a service. When i try $ whereis mongod mongod: /usr/bin/mongod /etc/mongod.conf /usr/share/man/man1/mongod.1.gz but step ...
-3 votes
1 answer
217 views

If Microsoft is pushing systemd so hard, then why do I restart my services in Ubuntu 18.04 LTS WSL using System V? [closed]

I had to restart my apache2 server in WSL yesterday, and I was surprised that I couldn't use systemctl like I do on Ubuntu; instead having to revert to sudo /etc/init.d/apache2 restart. But I thought ...
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1 vote
0 answers
362 views

I cannot access XFCE when launched via LightDM

As a personal project I decided to start building a Linux From Scratch (System V Edition, 9.1) on a virtual machine. Everything went out correctly until the moment of entering the system through ...
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1 vote
1 answer
219 views

Equivalent of /dev/mqueue to enumerate SysV message queues

Linux supports two kinds of message queues: POSIX (i.e., those created by mq_open), and System V (i.e., those created by msgget). For POSIX message queues, mq_overview(7) documents that you can ...
0 votes
1 answer
170 views

How to make an Ubuntu package with system V init script?

As the title says I want to make a ubuntu package that people could download with apt and I would like to set up the package with a System V script so that people can start and stop the service (like ...
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3 votes
0 answers
168 views

How differently from Linux kernel does a typical Unix kernel (System V, Free BSD, ...) implement processes and threads?

In my previous post, about the Linux kernel, the structure task_struct represents threads i.e. light weight processes, but not processes. processes are not represented by any structure, but by ...
  • 92.7k
4 votes
1 answer
2k views

Are tid and tgid always the same as pid in the output of ps?

In manpage of ps tid TID the unique number representing a dispatchable entity (alias lwp, spid). This value may also appear as: a ...
  • 92.7k
1 vote
1 answer
5k views

Debian start-stop-daemon equivalent in CentOS

I have a bash script that is written in a debian-based distribution (System-V) and I want to run it under CentOS 7. There is a part of the script that runs a command as a daemon like this: start-stop-...
  • 421
14 votes
1 answer
7k views

What are the relations between processes, kernel threads, lightweight processes and user threads in Unix? [closed]

Unix Internal by Vahalia have figures showing the relations between processes, kernel threads, lightweight processes, and user threads. This book gives most attention to SVR4.2, and it also explores ...
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0 votes
0 answers
365 views

System V - Respawn service but don't launch at boot

I'm trying to have a System V service relaunched on exit. EDIT: Should have precised that I'm using busybox init system instead of classic systemV I found that It could be done using /etc/inittab ...
  • 1,062
0 votes
1 answer
397 views

Why are System V message queues conforming POSIX NOT called POSIX message queues?

I know that there are (at least) two types of message queues: System V message queues and POSIX message queue. To my surprise, the man page also says that the msgget system call for System V message ...
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1 vote
1 answer
2k views

Why is rsyslog not listed when I run service?

I'm trying to learn about rsyslog. On one of my linux boxes, I think that rsyslog has been configured to run through systemd based on this output: >systemctl status rsyslog rsyslog.service - ...
  • 1,381
3 votes
3 answers
15k views

How to run a script at shutdown on Debian 9 or Raspbian 8 (Jessie)

I would like to execute this shell script at reboot and shut down: #!/bin/sh touch /test Its permissions are -rwxr-xr-x 1 root root 22 Feb 24 09:34 /etc/init.d/te1 And it has this links /etc/rc0....
2 votes
0 answers
4k views

Linux Vs UNIX - kernel - How to understand the difference? [closed]

In 1980's, two most prevalent operating systems came out, 1) System V created by AT&T 2) BSD created at UOC, Berkeley Some of the BSD variants are OpenBSD, FreeBSD, MAC OS X Some of the ...
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0 votes
2 answers
317 views

Is official generic System V ABI document from SCO?

Looking at the revision history from SCO's website, is that true SCO is the one who maintains the ABI standard? If not, who are the people maintaining the standard?
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0 votes
1 answer
96 views

Is it possible to port systemd services to sysVinit and vice versa? How much difficult it is.?

I want to use systemd services on the system which is using sysVinit. Is it possible? Is any good way to do this.?
2 votes
2 answers
174 views

Behold System V; what about systems I-IV?

System V (by AT&T) is the ancestral Unix, and I have used it. But I have never read or heard anything about systems I-IV, other than they existed once upon a time in the dim past. How effective ...
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0 votes
1 answer
1k views

Minicom and kermit,where is my fault?

I want to transfer a big file of 70MB to a virtual machine running an ancient unix(at&t 2.1 ),no cdrom driver,no ufs disk(linux give me error when i try to mount systemV ufs,with ufs 43bsd ok),no ...
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0 votes
1 answer
110 views

Mathematic question for format floppies on Old sysV unix

On old sysVR4 i will format floppies as so 1.44 MB floppy mkfs -F ufs /dev/dsk/f03ht 2560 1.2MB Floppy mkfs -F ufs /dev/dsk/f13dt 2440 The 2440 and 2560 are calculated with 512*4 and 512*5 In ...
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2 votes
2 answers
955 views

Enabling completion with tab on an old ksh on SystemV

Is it possible to make completion with Tab like in bash? Currently I use Esc twice, can this be changed to a tab?
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1 vote
0 answers
176 views

what interface does lpsched provide that cups does not?

Work has a Linux stock/erp custom system that uses the Unix System V (Solaris, SCO, HP-UX) lpsched program that someone who used to work here compiled for RHEL/CentOS 5 i686 (I have no idea why or how)...
3 votes
2 answers
210 views

autostarting scripts in debian

I have a service that I install as so: install -m 755 init_script /etc/init.d/spacenavd cd /etc/rc2.d ln -s ../init.d/spacenavd S99spacenavd what the init_script does is start the script: /usr/...
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1 vote
1 answer
140 views

Is it possible to list open SysV queues on certain files?

I have a suite of applications that communicate with each other using SysV queues. However, when I stop the application there are sometimes queues left open, which in turn causes problems next time I ...
  • 2,377
18 votes
1 answer
1k views

What is AT&T’s Link Editor Command Language?

The man page for ld makes reference to AT&T’s Link Editor Command Language, however a Google search does not offer a satisfactory explanation as to what AT&T’s Link Editor Command Language is ...
5 votes
2 answers
694 views

Why is a service being started if it isn't mentioned in /etc/init.d?

After a clean install of Fedora 17 and distcc-server, I did a service distccd start, which completed successfully. man service indicates that it would merely be running the distccd script at /etc/...
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9 votes
1 answer
3k views

How do you pronounce System V and SysV?

Is the V in System V and SysV (and sysvinit, etc) pronounced "vee" or "five"?
6 votes
1 answer
2k views

Resources System V vs BSD

I'm searching for some detailed resources about the differences of System V and BSD concepts. For example: Interprocess Communication Sockets vs TLI ... Some sort of pro/cons discussion with ...
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