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Full Discussion: Can't Editing File in Single mode (using vi)
Top Forums UNIX for Advanced & Expert Users Can't Editing File in Single mode (using vi) Post 302121911 by porter on Monday 18th of June 2007 09:13:02 PM
Old 06-18-2007
You still have not told us what operating system this is.

Sounds like your root file system is mounted read only.

You need to remount the root file system read/write, but need more detail to advise you how to do this.

Please do the following and post the results..

uname -a
mount
df -k
 

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LEARN ABOUT SUNOS

systemd-remount-fs.service

SYSTEMD-REMOUNT-FS.SERVICE(8)				    systemd-remount-fs.service				     SYSTEMD-REMOUNT-FS.SERVICE(8)

NAME

       systemd-remount-fs.service, systemd-remount-fs - Remount root and kernel file systems

SYNOPSIS

       systemd-remount-fs.service

       /lib/systemd/systemd-remount-fs

DESCRIPTION

       systemd-remount-fs.service is an early boot service that applies mount options listed in fstab(5) to the root file system, the /usr file
       system, and the kernel API file systems. This is required so that the mount options of these file systems -- which are pre-mounted by the
       kernel, the initial RAM disk, container environments or system manager code -- are updated to those listed in /etc/fstab. This service
       ignores normal file systems and only changes the root file system (i.e.	/), /usr and the virtual kernel API file systems such as /proc,
       /sys or /dev. This service executes no operation if /etc/fstab does not exist or lists no entries for the mentioned file systems.

       For a longer discussion of kernel API file systems see API File Systems[1].

SEE ALSO

       systemd(1), fstab(5), mount(8)

NOTES

	1. API File Systems
	   https://www.freedesktop.org/wiki/Software/systemd/APIFileSystems

systemd 237													     SYSTEMD-REMOUNT-FS.SERVICE(8)
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