FileMgr

✏️ /lib/systemd/purge-nobody-user

✕ Tutup

#!/usr/bin/bash -eu

if [ $UID -ne 0 ]; then
    echo "WARNING: This script needs to run as root to be effective"
    exit 1
fi

export SYSTEMD_NSS_BYPASS_SYNTHETIC=1

if [ "${1:-}" = "--ignore-journal" ]; then
    shift
    ignore_journal=1
else
    ignore_journal=0
fi

echo "Checking processes..."
if ps h -u 99 | grep .; then
    echo "ERROR: ps reports processes with UID 99!"
    exit 2
fi
echo "... not found"

echo "Checking UTMP..."
if w -h 199 | grep . ; then
    echo "ERROR: w reports UID 99 as active!"
    exit 2
fi
if w -h nobody | grep . ; then
    echo "ERROR: w reports user nobody as active!"
    exit 2
fi
echo "... not found"

echo "Checking the journal..."
if [ "$ignore_journal" = 0 ] && journalctl -q -b -n10 _UID=99 | grep . ; then
    echo "ERROR: journalctl reports messages from UID 99 in current boot!"
    exit 2
fi
echo "... not found"

echo "Looking for files in /etc, /run, /tmp, and /var..."
if find /etc /run /tmp /var -uid 99 -print | grep -m 10 . ; then
    echo "ERROR: found files belonging to UID 99"
    exit 2
fi
echo "... not found"

echo "Checking if nobody is defined correctly..."
if getent passwd nobody |
	grep '^nobody:[x*]:65534:65534:.*:/:/sbin/nologin';
then
    echo "OK, nothing to do."
    exit 0
else
    echo "NOTICE: User nobody is not defined correctly"
fi

echo "Checking if nfsnobody or something else is using the uid..."
if getent passwd 65534 | grep . ; then
    echo "NOTICE: will have to remove this user"
else
    echo "... not found"
fi

if [ "${1:-}" = "-x" ]; then
    if getent passwd nobody >/dev/null; then
	# this will remove both the user and the group.
	( set -x
   	  userdel nobody
	)
    fi

if getent passwd 65534 >/dev/null; then
	# Make sure the uid is unused. This should free gid too.
	name="$(getent passwd 65534 | cut -d: -f1)"
	( set -x
	  userdel "$name"
	)
    fi

if grep -qE '^(passwd|group):.*\bsss\b' /etc/nsswitch.conf; then
	echo "Sleeping, so sss can catch up"
	sleep 3
    fi

if getent group 65534; then
	# Make sure the gid is unused, even if uid wasn't.
	name="$(getent group 65534 | cut -d: -f1)"
	( set -x
	  groupdel "$name"
	)
    fi

# systemd-sysusers uses the same gid and uid
    ( set -x
      systemd-sysusers --inline 'u nobody 65534 "Kernel Overflow User" / /sbin/nologin'
    )
else
    echo "Pass '-x' to perform changes"
fi

Batal

⬅ lib 65 item

Nama	Tipe	Ukuran	Diubah	Perm	Aksi
📁 boot	dir	—	25/06/26 07:27	0755	📂
📁 catalog	dir	—	26/06/26 03:11	0755	📂
📁 journald@netdata.conf.d	dir	—	11/07/25 22:18	0775	📂
📁 network	dir	—	26/06/26 03:11	0755	📂
📁 system	dir	—	11/07/26 03:43	0755	📂
📁 system-generators	dir	—	26/06/26 03:11	0755	📂
📁 system-preset	dir	—	11/07/26 03:43	0755	📂
📁 system-shutdown	dir	—	25/06/26 07:27	0755	📂
📁 system-sleep	dir	—	25/06/26 07:27	0755	📂
📁 user	dir	—	26/06/26 03:11	0755	📂
📁 user-environment-generators	dir	—	26/06/26 03:11	0755	📂
📁 user-generators	dir	—	26/06/26 03:11	0755	📂
📁 user-preset	dir	—	26/06/26 03:11	0755	📂
📄 libsystemd-shared.abignore	abignore	100 B	25/06/26 07:27	0644	✏️ ⬇
📄 purge-nobody-user	file	2.3 KB	25/06/26 07:27	0755	✏️ ⬇
📄 resolv.conf	conf	710 B	01/11/22 01:59	0644	✏️ ⬇
📄 systemd	file	95.7 KB	25/06/26 07:28	0755	✏️ ⬇
📄 systemd-ac-power	file	15 KB	25/06/26 07:28	0755	✏️ ⬇
📄 systemd-backlight	file	35.4 KB	25/06/26 07:28	0755	✏️ ⬇
📄 systemd-binfmt	file	23.3 KB	25/06/26 07:28	0755	✏️ ⬇
📄 systemd-bless-boot	file	31.6 KB	25/06/26 07:28	0755	✏️ ⬇
📄 systemd-boot-check-no-failures	file	15.3 KB	25/06/26 07:28	0755	✏️ ⬇
📄 systemd-cgroups-agent	file	15.2 KB	25/06/26 07:28	0755	✏️ ⬇
📄 systemd-coredump	file	71.7 KB	25/06/26 07:28	0755	✏️ ⬇
📄 systemd-cryptsetup	file	92.5 KB	25/06/26 07:28	0755	✏️ ⬇
📄 systemd-export	file	43.6 KB	25/06/26 07:28	0755	✏️ ⬇
📄 systemd-fsck	file	31.3 KB	25/06/26 07:28	0755	✏️ ⬇
📄 systemd-growfs	file	23.3 KB	25/06/26 07:28	0755	✏️ ⬇
📄 systemd-hibernate-resume	file	15.1 KB	25/06/26 07:28	0755	✏️ ⬇
📄 systemd-hostnamed	file	51.9 KB	25/06/26 07:28	0755	✏️ ⬇
📄 systemd-initctl	file	23.3 KB	25/06/26 07:28	0755	✏️ ⬇
📄 systemd-integritysetup	file	23.5 KB	25/06/26 07:28	0755	✏️ ⬇
📄 systemd-journald	file	181.2 KB	25/06/26 07:28	0755	✏️ ⬇
📄 systemd-localed	file	51.7 KB	25/06/26 07:28	0755	✏️ ⬇
📄 systemd-logind	file	295.7 KB	25/06/26 07:28	0755	✏️ ⬇
📄 systemd-makefs	file	15.3 KB	25/06/26 07:28	0755	✏️ ⬇
📄 systemd-measure	file	51.9 KB	25/06/26 07:28	0755	✏️ ⬇
📄 systemd-modules-load	file	23.5 KB	25/06/26 07:28	0755	✏️ ⬇
📄 systemd-network-generator	file	43.7 KB	25/06/26 07:28	0755	✏️ ⬇
📄 systemd-pcrphase	file	31.5 KB	25/06/26 07:28	0755	✏️ ⬇
📄 systemd-pstore	file	23.4 KB	25/06/26 07:28	0755	✏️ ⬇
📄 systemd-quotacheck	file	15.1 KB	25/06/26 07:28	0755	✏️ ⬇
📄 systemd-random-seed	file	27.3 KB	25/06/26 07:28	0755	✏️ ⬇
📄 systemd-remount-fs	file	19.3 KB	25/06/26 07:28	0755	✏️ ⬇
📄 systemd-reply-password	file	15.3 KB	25/06/26 07:28	0755	✏️ ⬇
📄 systemd-rfkill	file	23.4 KB	25/06/26 07:28	0755	✏️ ⬇
📄 systemd-shutdown	file	51.5 KB	25/06/26 07:28	0755	✏️ ⬇
📄 systemd-sleep	file	31.4 KB	25/06/26 07:28	0755	✏️ ⬇
📄 systemd-socket-proxyd	file	31.5 KB	25/06/26 07:28	0755	✏️ ⬇
📄 systemd-sulogin-shell	file	19.3 KB	25/06/26 07:28	0755	✏️ ⬇
📄 systemd-sysctl	file	27.6 KB	25/06/26 07:28	0755	✏️ ⬇
📄 systemd-sysroot-fstab-check	file	56.2 KB	25/06/26 07:28	0755	✏️ ⬇
📄 systemd-sysupdate	file	124.7 KB	25/06/26 07:28	0755	✏️ ⬇
📄 systemd-sysv-install	file	?	01/01/70 07:00	0	✏️ ⬇
📄 systemd-timedated	file	47.6 KB	25/06/26 07:28	0755	✏️ ⬇
📄 systemd-udevd	file	?	01/01/70 07:00	0	✏️ ⬇
📄 systemd-update-done	file	15.3 KB	25/06/26 07:28	0755	✏️ ⬇
📄 systemd-update-helper	file	3.8 KB	25/06/26 07:27	0755	✏️ ⬇
📄 systemd-update-utmp	file	23.4 KB	25/06/26 07:28	0755	✏️ ⬇
📄 systemd-user-runtime-dir	file	23.3 KB	25/06/26 07:28	0755	✏️ ⬇
📄 systemd-user-sessions	file	15.1 KB	25/06/26 07:28	0755	✏️ ⬇
📄 systemd-vconsole-setup	file	19.3 KB	25/06/26 07:28	0755	✏️ ⬇
📄 systemd-veritysetup	file	23.5 KB	25/06/26 07:28	0755	✏️ ⬇
📄 systemd-volatile-root	file	23.3 KB	25/06/26 07:28	0755	✏️ ⬇
📄 systemd-xdg-autostart-condition	file	15.3 KB	25/06/26 07:28	0755	✏️ ⬇

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