#acupoftea - mail.ontime-ae.com

System	:	Linux server1.ontime-gulf.com 4.18.0-553.5.1.el8_10.x86_64 #1 SMP Wed Jun 5 09:12:13 EDT 2024 x86_64
Software	:	Apache
Server	:	162.0.230.206
Domains	:	40 Domain
Permission	:	[ drwxr-xr-x ]
	:	/ usr / lib / systemd /

216.73.216.50

Home

File purge-nobody-user

#!/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

Name	Type	Size	Permission	Last Modified	Actions
.	DIR	-	drwxr-xr-x	2025-04-23 10:57:57
..	DIR	-	dr-xr-xr-x	2025-09-30 10:57:16
boot	DIR	-	drwxr-xr-x	2025-04-22 01:58:45
catalog	DIR	-	drwxr-xr-x	2025-04-23 10:57:56
network	DIR	-	drwxr-xr-x	2025-04-23 10:57:57
ntp-units.d	DIR	-	drwxr-xr-x	2024-11-06 11:00:14
portable	DIR	-	drwxr-xr-x	2025-04-22 01:58:46
system	DIR	-	drwxr-xr-x	2025-10-22 10:57:17
system-generators	DIR	-	drwxr-xr-x	2025-06-05 10:57:18
system-preset	DIR	-	drwxr-xr-x	2025-10-03 10:57:22
system-shutdown	DIR	-	drwxr-xr-x	2025-04-22 01:58:46
system-sleep	DIR	-	drwxr-xr-x	2025-04-22 01:58:46
user	DIR	-	drwxr-xr-x	2025-10-09 10:58:23
user-environment-generators	DIR	-	drwxr-xr-x	2025-04-23 10:57:56
user-generators	DIR	-	drwxr-xr-x	2025-04-22 01:58:46
user-preset	DIR	-	drwxr-xr-x	2025-04-23 10:57:56
libsystemd-shared-239.so	application/x-sharedlib	2.63 MB	-rwxr-xr-x	2025-04-22 01:58:57
portablectl	application/x-sharedlib	37 KB	-rwxr-xr-x	2025-04-22 01:58:57
purge-nobody-user	text/x-shellscript	2.3 KB	-rwxr-xr-x	2025-04-22 01:58:47
resolv.conf	text/plain	678 B	-rw-r--r--	2018-06-22 11:11:49
systemd	application/x-sharedlib	1.53 MB	-rwxr-xr-x	2025-04-22 01:58:57
systemd-ac-power	application/x-sharedlib	11.88 KB	-rwxr-xr-x	2025-04-22 01:58:57
systemd-backlight	application/x-sharedlib	24.74 KB	-rwxr-xr-x	2025-04-22 01:58:57
systemd-binfmt	application/x-sharedlib	16.7 KB	-rwxr-xr-x	2025-04-22 01:58:57
systemd-cgroups-agent	application/x-sharedlib	12.01 KB	-rwxr-xr-x	2025-04-22 01:58:57
systemd-coredump	application/x-sharedlib	61.17 KB	-rwxr-xr-x	2025-04-22 01:58:57
systemd-cryptsetup	application/x-sharedlib	28.74 KB	-rwxr-xr-x	2025-04-22 01:58:57
systemd-dissect	application/x-sharedlib	16.02 KB	-rwxr-xr-x	2025-04-22 01:58:57
systemd-export	application/x-sharedlib	41.18 KB	-rwxr-xr-x	2025-04-22 01:58:57
systemd-fsck	application/x-sharedlib	24.73 KB	-rwxr-xr-x	2025-04-22 01:58:57
systemd-growfs	application/x-sharedlib	20.43 KB	-rwxr-xr-x	2025-04-22 01:58:57
systemd-hibernate-resume	application/x-sharedlib	12.01 KB	-rwxr-xr-x	2025-04-22 01:58:57
systemd-hostnamed	application/x-sharedlib	28.91 KB	-rwxr-xr-x	2025-04-22 01:58:57
systemd-initctl	application/x-sharedlib	20.44 KB	-rwxr-xr-x	2025-04-22 01:58:57
systemd-journald	application/x-sharedlib	154.41 KB	-rwxr-xr-x	2025-04-22 01:58:57
systemd-localed	application/x-sharedlib	49.18 KB	-rwxr-xr-x	2025-04-22 01:58:57
systemd-logind	application/x-sharedlib	265.31 KB	-rwxr-xr-x	2025-04-22 01:58:57
systemd-makefs	application/x-sharedlib	12.41 KB	-rwxr-xr-x	2025-04-22 01:58:57
systemd-modules-load	application/x-sharedlib	20.42 KB	-rwxr-xr-x	2025-04-22 01:58:56
systemd-portabled	application/x-sharedlib	89.91 KB	-rwxr-xr-x	2025-04-22 01:58:57
systemd-pstore	application/x-sharedlib	20.88 KB	-rwxr-xr-x	2025-04-22 01:58:57
systemd-quotacheck	application/x-sharedlib	12.29 KB	-rwxr-xr-x	2025-04-22 01:58:57
systemd-random-seed	application/x-sharedlib	16.01 KB	-rwxr-xr-x	2025-04-22 01:58:57
systemd-remount-fs	application/x-sharedlib	24.54 KB	-rwxr-xr-x	2025-04-22 01:58:56
systemd-reply-password	application/x-sharedlib	12 KB	-rwxr-xr-x	2025-04-22 01:58:57
systemd-resolved	application/x-sharedlib	452.76 KB	-rwxr-xr-x	2025-04-22 01:58:57
systemd-rfkill	application/x-sharedlib	24.73 KB	-rwxr-xr-x	2025-04-22 01:58:57
systemd-shutdown	application/x-sharedlib	61.2 KB	-rwxr-xr-x	2025-04-22 01:58:57
systemd-sleep	application/x-sharedlib	20.77 KB	-rwxr-xr-x	2025-04-22 01:58:57
systemd-socket-proxyd	application/x-sharedlib	24.55 KB	-rwxr-xr-x	2025-04-22 01:58:57
systemd-sulogin-shell	application/x-sharedlib	16.02 KB	-rwxr-xr-x	2025-04-22 01:58:57
systemd-sysctl	application/x-sharedlib	20.77 KB	-rwxr-xr-x	2025-04-22 01:58:57
systemd-sysv-install	application/x-sharedlib	45.11 KB	-rwxr-xr-x	2023-10-14 10:48:04
systemd-timedated	application/x-sharedlib	36.95 KB	-rwxr-xr-x	2025-04-22 01:58:57
systemd-udevd	application/x-sharedlib	408.55 KB	-rwxr-xr-x	2025-04-22 01:58:57
systemd-update-done	application/x-sharedlib	12.43 KB	-rwxr-xr-x	2025-04-22 01:58:57
systemd-update-utmp	application/x-sharedlib	16.02 KB	-rwxr-xr-x	2025-04-22 01:58:57
systemd-user-runtime-dir	application/x-sharedlib	245.1 KB	-rwxr-xr-x	2025-04-22 01:58:57
systemd-user-sessions	application/x-sharedlib	11.86 KB	-rwxr-xr-x	2025-04-22 01:58:57
systemd-vconsole-setup	application/x-sharedlib	20.46 KB	-rwxr-xr-x	2025-04-22 01:58:57
systemd-veritysetup	application/x-sharedlib	12.01 KB	-rwxr-xr-x	2025-04-22 01:58:57
systemd-volatile-root	application/x-sharedlib	12.01 KB	-rwxr-xr-x	2025-04-22 01:58:57

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