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10/02/2024 07:52:54 PM
rwxr-xr-x
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MAKEDEV
51.24 KB
03/27/2017 08:01:56 AM
rwxr-xr-x
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agetty
43.07 KB
06/14/2022 09:28:54 PM
rwxr-xr-x
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apparmor_parser
1.23 MB
06/29/2023 11:30:47 AM
rwxr-xr-x
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badblocks
26.59 KB
06/03/2022 08:47:31 PM
rwxr-xr-x
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blkdiscard
22.54 KB
06/14/2022 09:28:54 PM
rwxr-xr-x
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blkid
79.39 KB
06/14/2022 09:28:54 PM
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blockdev
34.79 KB
06/14/2022 09:28:54 PM
rwxr-xr-x
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brctl
30.39 KB
08/20/2015 04:51:17 PM
rwxr-xr-x
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bridge
62.73 KB
04/16/2019 12:37:11 PM
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capsh
18.59 KB
06/15/2023 08:34:17 PM
rwxr-xr-x
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cfdisk
84.38 KB
06/14/2022 09:28:54 PM
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cgdisk
174.17 KB
01/27/2022 03:45:08 PM
rwxr-xr-x
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cgmanager
142.52 KB
01/18/2016 06:55:49 PM
rwxr-xr-x
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cgproxy
138.42 KB
01/18/2016 06:55:49 PM
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chcpu
22.52 KB
06/14/2022 09:28:54 PM
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crda
10.3 KB
11/18/2014 02:57:12 PM
rwxr-xr-x
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ctrlaltdel
10.34 KB
06/14/2022 09:28:54 PM
rwxr-xr-x
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debugfs
146.74 KB
06/03/2022 08:47:31 PM
rwxr-xr-x
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depmod
146.18 KB
07/28/2020 02:46:39 PM
rwxr-xr-x
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dhclient
475.83 KB
11/04/2022 12:52:57 PM
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dhclient-script
15.28 KB
11/04/2022 12:52:52 PM
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dosfsck
58.08 KB
05/26/2016 12:21:41 PM
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dosfslabel
54.08 KB
05/26/2016 12:21:41 PM
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dumpe2fs
22.59 KB
06/03/2022 08:47:31 PM
rwxr-xr-x
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e2fsck
250.93 KB
06/03/2022 08:47:31 PM
rwxr-xr-x
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e2image
30.75 KB
06/03/2022 08:47:31 PM
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e2label
75.55 KB
06/03/2022 08:47:31 PM
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e2undo
10.41 KB
06/03/2022 08:47:31 PM
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fatlabel
54.08 KB
05/26/2016 12:21:41 PM
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fdisk
107.06 KB
06/14/2022 09:28:54 PM
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findfs
10.33 KB
06/14/2022 09:28:54 PM
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fixparts
58.17 KB
01/27/2022 03:45:08 PM
rwxr-xr-x
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fsck
43.15 KB
06/14/2022 09:28:54 PM
rwxr-xr-x
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fsck.cramfs
34.77 KB
06/14/2022 09:28:54 PM
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fsck.ext2
250.93 KB
06/03/2022 08:47:31 PM
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fsck.ext3
250.93 KB
06/03/2022 08:47:31 PM
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fsck.ext4
250.93 KB
06/03/2022 08:47:31 PM
rwxr-xr-x
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fsck.ext4dev
250.93 KB
06/03/2022 08:47:31 PM
rwxr-xr-x
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fsck.fat
58.08 KB
05/26/2016 12:21:41 PM
rwxr-xr-x
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fsck.minix
75.09 KB
06/14/2022 09:28:54 PM
rwxr-xr-x
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fsck.msdos
58.08 KB
05/26/2016 12:21:41 PM
rwxr-xr-x
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fsck.nfs
333 bytes
02/05/2016 09:48:45 AM
rwxr-xr-x
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fsck.vfat
58.08 KB
05/26/2016 12:21:41 PM
rwxr-xr-x
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fsfreeze
10.37 KB
06/14/2022 09:28:54 PM
rwxr-xr-x
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fstab-decode
6.21 KB
02/05/2016 09:48:51 AM
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fstrim
38.97 KB
06/14/2022 09:28:54 PM
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gdisk
178.17 KB
01/27/2022 03:45:08 PM
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getcap
10.27 KB
06/15/2023 08:34:17 PM
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getpcaps
10.24 KB
06/15/2023 08:34:17 PM
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getty
43.07 KB
06/14/2022 09:28:54 PM
rwxr-xr-x
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halt
178.08 KB
03/02/2023 12:58:02 PM
rwxr-xr-x
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hwclock
54.91 KB
06/14/2022 09:28:54 PM
rwxr-xr-x
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ifconfig
66.45 KB
06/30/2014 01:19:24 PM
rwxr-xr-x
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ifdown
65.95 KB
05/10/2018 02:21:53 PM
rwxr-xr-x
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ifquery
65.95 KB
05/10/2018 02:21:53 PM
rwxr-xr-x
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ifup
65.95 KB
05/10/2018 02:21:53 PM
rwxr-xr-x
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init
1.54 MB
03/02/2023 12:58:02 PM
rwxr-xr-x
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insmod
146.18 KB
07/28/2020 02:46:39 PM
rwxr-xr-x
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installkernel
2.58 KB
01/26/2016 06:17:55 PM
rwxr-xr-x
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ip
545.12 KB
01/26/2021 01:33:08 PM
rwxr-xr-x
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ip6tables
85.77 KB
02/19/2016 03:21:11 PM
rwxr-xr-x
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ip6tables-restore
85.77 KB
02/19/2016 03:21:11 PM
rwxr-xr-x
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ip6tables-save
85.77 KB
02/19/2016 03:21:11 PM
rwxr-xr-x
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ipmaddr
18.32 KB
06/30/2014 01:19:24 PM
rwxr-xr-x
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iptables
85.77 KB
02/19/2016 03:21:11 PM
rwxr-xr-x
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iptables-restore
85.77 KB
02/19/2016 03:21:11 PM
rwxr-xr-x
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iptables-save
85.77 KB
02/19/2016 03:21:11 PM
rwxr-xr-x
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iptunnel
22.33 KB
06/30/2014 01:19:24 PM
rwxr-xr-x
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isosize
22.53 KB
06/14/2022 09:28:54 PM
rwxr-xr-x
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iw
173.63 KB
10/24/2014 09:07:45 AM
rwxr-xr-x
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kbdrate
10.37 KB
09/22/2016 05:33:23 PM
rwxr-xr-x
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killall5
18.61 KB
02/05/2016 09:48:51 AM
rwxr-xr-x
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ldconfig
387 bytes
05/08/2024 03:49:55 PM
rwxr-xr-x
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ldconfig.real
977.16 KB
05/08/2024 03:49:57 PM
rwxr-xr-x
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logsave
10.35 KB
06/03/2022 08:47:31 PM
rwxr-xr-x
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losetup
71.21 KB
06/14/2022 09:28:54 PM
rwxr-xr-x
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lsmod
146.18 KB
07/28/2020 02:46:39 PM
rwxr-xr-x
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mii-tool
18.81 KB
06/30/2014 01:19:24 PM
rwxr-xr-x
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mkdosfs
26.49 KB
05/26/2016 12:21:41 PM
rwxr-xr-x
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mke2fs
103.9 KB
06/03/2022 08:47:31 PM
rwxr-xr-x
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mkfs
10.34 KB
06/14/2022 09:28:54 PM
rwxr-xr-x
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mkfs.bfs
26.59 KB
06/14/2022 09:28:54 PM
rwxr-xr-x
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mkfs.cramfs
34.63 KB
06/14/2022 09:28:54 PM
rwxr-xr-x
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mkfs.ext2
103.9 KB
06/03/2022 08:47:31 PM
rwxr-xr-x
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mkfs.ext3
103.9 KB
06/03/2022 08:47:31 PM
rwxr-xr-x
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mkfs.ext4
103.9 KB
06/03/2022 08:47:31 PM
rwxr-xr-x
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mkfs.ext4dev
103.9 KB
06/03/2022 08:47:31 PM
rwxr-xr-x
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mkfs.fat
26.49 KB
05/26/2016 12:21:41 PM
rwxr-xr-x
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mkfs.minix
75.11 KB
06/14/2022 09:28:54 PM
rwxr-xr-x
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mkfs.msdos
26.49 KB
05/26/2016 12:21:41 PM
rwxr-xr-x
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mkfs.vfat
26.49 KB
05/26/2016 12:21:41 PM
rwxr-xr-x
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mkhomedir_helper
18.41 KB
03/19/2024 04:18:59 PM
rwxr-xr-x
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mkswap
71.23 KB
06/14/2022 09:28:54 PM
rwxr-xr-x
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modinfo
146.18 KB
07/28/2020 02:46:39 PM
rwxr-xr-x
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modprobe
146.18 KB
07/28/2020 02:46:39 PM
rwxr-xr-x
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nameif
14.47 KB
06/30/2014 01:19:24 PM
rwxr-xr-x
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pam_extrausers_chkpwd
34.8 KB
03/19/2024 04:18:59 PM
rwxr-xr-x
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pam_extrausers_update
34.73 KB
03/19/2024 04:18:59 PM
rwxr-xr-x
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pam_tally
10.35 KB
03/19/2024 04:18:59 PM
rwxr-xr-x
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pam_tally2
14.44 KB
03/19/2024 04:18:59 PM
rwxr-xr-x
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parted
78.27 KB
01/15/2018 12:47:21 PM
rwxr-xr-x
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partprobe
10.07 KB
01/15/2018 12:47:21 PM
rwxr-xr-x
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pivot_root
10.32 KB
06/14/2022 09:28:54 PM
rwxr-xr-x
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plipconfig
10.2 KB
06/30/2014 01:19:24 PM
rwxr-xr-x
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poweroff
178.08 KB
03/02/2023 12:58:02 PM
rwxr-xr-x
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rarp
29.1 KB
06/30/2014 01:19:24 PM
rwxr-xr-x
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raw
14.37 KB
06/14/2022 09:28:54 PM
rwxr-xr-x
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reboot
178.08 KB
03/02/2023 12:58:02 PM
rwxr-xr-x
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regdbdump
6.13 KB
11/18/2014 02:57:12 PM
rwxr-xr-x
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resize2fs
51.11 KB
06/03/2022 08:47:31 PM
rwxr-xr-x
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resolvconf
4.75 KB
05/06/2019 08:39:40 AM
rwxr-xr-x
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rmmod
146.18 KB
07/28/2020 02:46:39 PM
rwxr-xr-x
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route
56.67 KB
06/30/2014 01:19:24 PM
rwxr-xr-x
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rtacct
36.59 KB
04/16/2019 12:37:11 PM
rwxr-xr-x
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rtmon
42.59 KB
04/16/2019 12:37:11 PM
rwxr-xr-x
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runlevel
178.08 KB
03/02/2023 12:58:02 PM
rwxr-xr-x
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runuser
30.98 KB
06/14/2022 09:28:54 PM
rwxr-xr-x
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setcap
10.3 KB
06/15/2023 08:34:17 PM
rwxr-xr-x
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setvtrgb
10.41 KB
09/22/2016 05:33:23 PM
rwxr-xr-x
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sfdisk
92.07 KB
06/14/2022 09:28:54 PM
rwxr-xr-x
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sgdisk
166.17 KB
01/27/2022 03:45:08 PM
rwxr-xr-x
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shadowconfig
885 bytes
02/07/2024 10:59:47 AM
rwxr-xr-x
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shutdown
178.08 KB
03/02/2023 12:58:02 PM
rwxr-xr-x
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slattach
33.13 KB
06/30/2014 01:19:24 PM
rwxr-xr-x
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start-stop-daemon
31.77 KB
05/27/2022 10:37:03 AM
rwxr-xr-x
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sulogin
43.12 KB
06/14/2022 09:28:54 PM
rwxr-xr-x
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swaplabel
14.43 KB
06/14/2022 09:28:54 PM
rwxr-xr-x
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swapoff
18.58 KB
06/14/2022 09:28:54 PM
rwxr-xr-x
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swapon
43.25 KB
06/14/2022 09:28:54 PM
rwxr-xr-x
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switch_root
14.46 KB
06/14/2022 09:28:54 PM
rwxr-xr-x
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sysctl
22.51 KB
11/01/2023 07:23:47 AM
rwxr-xr-x
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tc
326.1 KB
04/16/2019 12:37:11 PM
rwxr-xr-x
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telinit
178.08 KB
03/02/2023 12:58:02 PM
rwxr-xr-x
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tipc
42.38 KB
04/16/2019 12:37:11 PM
rwxr-xr-x
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tune2fs
75.55 KB
06/03/2022 08:47:31 PM
rwxr-xr-x
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udevadm
574.4 KB
03/02/2023 12:58:02 PM
rwxr-xr-x
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unix_chkpwd
34.77 KB
03/19/2024 04:18:59 PM
rwxr-xr-x
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unix_update
34.7 KB
03/19/2024 04:18:59 PM
rwxr-xr-x
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wipefs
30.73 KB
06/14/2022 09:28:54 PM
rwxr-xr-x
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wpa_action
1.69 KB
07/17/2015 09:55:59 PM
rwxr-xr-x
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wpa_cli
116.85 KB
08/05/2024 12:27:52 PM
rwxr-xr-x
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wpa_supplicant
2.07 MB
08/05/2024 12:27:52 PM
rwxr-xr-x
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xtables-multi
85.77 KB
02/19/2016 03:21:11 PM
rwxr-xr-x
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zramctl
75.26 KB
06/14/2022 09:28:54 PM
rwxr-xr-x
Editing: dhclient-script
Close
#!/bin/sh # Explicitly set the PATH to that of ENV_SUPATH in /etc/login.defs and unset # various other variables. We need to do this so /sbin/dhclient cannot abuse # the environment to escape AppArmor confinement via this script # (LP: #1045986). This can be removed once AppArmor supports environment # filtering (LP: #1045985) export PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin export ENV= export BASH_ENV= export CDPATH= export GLOBIGNORE= export BASH_XTRACEFD= # dhclient-script for Linux. Dan Halbert, March, 1997. # Updated for Linux 2.[12] by Brian J. Murrell, January 1999. # Modified for Debian. Matt Zimmerman and Eloy Paris, December 2003 # Modified to remove useless tests for antiquated kernel versions that # this doesn't even work with anyway, and introduces a dependency on /usr # being mounted, which causes cosmetic errors on hosts that NFS mount /usr # Andrew Pollock, February 2005 # Modified to work on point-to-point links. Andrew Pollock, June 2005 # Modified to support passing the parameters called with to the hooks. Andrew Pollock, November 2005 # The alias handling in here probably still sucks. -mdz # log an error. error() { logger -p daemon.err "$@"; } # wait for given file to be writable wait_for_rw() { local file=$1 # Find out whether we are going to mount / rw exec 9>&0 </etc/fstab rootmode=rw while read dev mnt type opts dump pass junk; do [ "$mnt" != / ] && continue case "$opts" in ro|ro,*|*,ro|*,ro,*) rootmode=ro ;; esac done exec 0>&9 9>&- # Wait for $file to become writable if [ "$rootmode" = "rw" ]; then while ! { : >> "$file"; } 2>/dev/null; do sleep 0.1 done fi } # update /etc/resolv.conf based on received values make_resolv_conf() { local new_resolv_conf # DHCPv4 if [ -n "$new_domain_search" ] || [ -n "$new_domain_name" ] || [ -n "$new_domain_name_servers" ]; then resolv_conf=$(readlink -f "/etc/resolv.conf" 2>/dev/null) || resolv_conf="/etc/resolv.conf" new_resolv_conf="${resolv_conf}.dhclient-new.$$" wait_for_rw "$new_resolv_conf" rm -f $new_resolv_conf if [ -n "$new_domain_name" ]; then echo domain ${new_domain_name%% *} >>$new_resolv_conf fi if [ -n "$new_domain_search" ]; then if [ -n "$new_domain_name" ]; then domain_in_search_list="" for domain in $new_domain_search; do if [ "$domain" = "${new_domain_name}" ] || [ "$domain" = "${new_domain_name}." ]; then domain_in_search_list="Yes" fi done if [ -z "$domain_in_search_list" ]; then new_domain_search="$new_domain_name $new_domain_search" fi fi echo "search ${new_domain_search}" >> $new_resolv_conf elif [ -n "$new_domain_name" ]; then echo "search ${new_domain_name}" >> $new_resolv_conf fi if [ -n "$new_domain_name_servers" ]; then for nameserver in $new_domain_name_servers; do echo nameserver $nameserver >>$new_resolv_conf done else # keep 'old' nameservers sed -n /^\w*[Nn][Aa][Mm][Ee][Ss][Ee][Rr][Vv][Ee][Rr]/p $resolv_conf >>$new_resolv_conf fi if [ -f $resolv_conf ]; then chown --reference=$resolv_conf $new_resolv_conf chmod --reference=$resolv_conf $new_resolv_conf fi mv -f $new_resolv_conf $resolv_conf # DHCPv6 elif [ -n "$new_dhcp6_domain_search" ] || [ -n "$new_dhcp6_name_servers" ]; then resolv_conf=$(readlink -f "/etc/resolv.conf" 2>/dev/null) || resolv_conf="/etc/resolv.conf" new_resolv_conf="${resolv_conf}.dhclient-new.$$" wait_for_rw "$new_resolv_conf" rm -f $new_resolv_conf if [ -n "$new_dhcp6_domain_search" ]; then echo "search ${new_dhcp6_domain_search}" >> $new_resolv_conf fi if [ -n "$new_dhcp6_name_servers" ]; then for nameserver in $new_dhcp6_name_servers; do # append %interface to link-local-address nameservers if [ "${nameserver##fe80::}" != "$nameserver" ] || [ "${nameserver##FE80::}" != "$nameserver" ]; then nameserver="${nameserver}%${interface}" fi echo nameserver $nameserver >>$new_resolv_conf done else # keep 'old' nameservers sed -n /^\w*[Nn][Aa][Mm][Ee][Ss][Ee][Rr][Vv][Ee][Rr]/p $resolv_conf >>$new_resolv_conf fi if [ -f $resolv_conf ]; then chown --reference=$resolv_conf $new_resolv_conf chmod --reference=$resolv_conf $new_resolv_conf fi mv -f $new_resolv_conf $resolv_conf fi } # set host name set_hostname() { local current_hostname if [ -n "$new_host_name" ]; then current_hostname=$(hostname) # current host name is empty, '(none)' or 'localhost' or differs from new one from DHCP if [ -z "$current_hostname" ] || [ "$current_hostname" = '(none)' ] || [ "$current_hostname" = 'localhost' ] || [ "$current_hostname" = "$old_host_name" ]; then if [ "$new_host_name" != "$current_host_name" ]; then hostname "$new_host_name" fi fi fi } # set the link up and wait for ipv6 link local dad to finish ipv6_link_up_and_dad() { local dev=$1 delay=${2:-0.1} attempts=${3:-60} ip link set up dev "$dev" || { error "$dev: failed to set link up"; return 1; } local n=0 while :; do n=$((n+1)) # note: busybox ip does not understand 'tentative' as input # so we cannot just use the tentative flag and check for empty out=$(ip -6 -o address show dev "$dev" scope link) || { error "$dev: checking for link-local addresses failed"; return 1 } # another note: the output may be empty if the link local tentative addr # isn't up just yet, so we need to make sure there is at least one 'inet6' # match before returning success. We need to keep checking for both # 'tentative' case and default (no inet6 address) case. (LP: #1718568) # Don't reorder tentative/inet6 - we need to check for tentative first. case " $out " in *\ dadfailed\ *) error "$dev: ipv6 dad failed." return 1;; *\ tentative\ *) :;; *\ inet6\ *) return 0;; *) :;; esac [ $n -lt $attempts ] || { error "$dev: time out waiting for permanent link-local address" return 1; } sleep $delay done } # run given script run_hook() { local script local exit_status script="$1" if [ -f $script ]; then . $script exit_status=$? fi if [ -n "$exit_status" ] && [ "$exit_status" -ne 0 ]; then logger -p daemon.err "$script returned non-zero exit status $exit_status" fi return $exit_status } # run scripts in given directory run_hookdir() { local dir local exit_status dir="$1" if [ -d "$dir" ]; then for script in $(run-parts --list $dir); do run_hook $script exit_status=$((exit_status|$?)) done fi return $exit_status } # Must be used on exit. Invokes the local dhcp client exit hooks, if any. exit_with_hooks() { exit_status=$1 # Source the documented exit-hook script, if it exists if ! run_hook /etc/dhcp/dhclient-exit-hooks; then exit_status=$? fi # Now run scripts in the Debian-specific directory. if ! run_hookdir /etc/dhcp/dhclient-exit-hooks.d; then exit_status=$? fi exit $exit_status } # The 576 MTU is only used for X.25 and dialup connections # where the admin wants low latency. Such a low MTU can cause # problems with UDP traffic, among other things. As such, # disallow MTUs from 576 and below by default, so that broken # MTUs are ignored, but higher stuff is allowed (1492, 1500, etc). if [ -z "$new_interface_mtu" ] || [ "$new_interface_mtu" -le 576 ]; then new_interface_mtu='' fi # The action starts here # Invoke the local dhcp client enter hooks, if they exist. run_hook /etc/dhcp/dhclient-enter-hooks run_hookdir /etc/dhcp/dhclient-enter-hooks.d # Execute the operation case "$reason" in ### DHCPv4 Handlers MEDIUM|ARPCHECK|ARPSEND) # Do nothing ;; PREINIT) # The DHCP client is requesting that an interface be # configured as required in order to send packets prior to # receiving an actual address. - dhclient-script(8) # ensure interface is up ip link set dev ${interface} up if [ -n "$alias_ip_address" ]; then # flush alias IP from interface ip -4 addr flush dev ${interface} label ${interface}:0 fi ;; BOUND|RENEW|REBIND|REBOOT) set_hostname if [ -n "$old_ip_address" ] && [ -n "$alias_ip_address" ] && [ "$alias_ip_address" != "$old_ip_address" ]; then # alias IP may have changed => flush it ip -4 addr flush dev ${interface} label ${interface}:0 fi if [ -n "$old_ip_address" ] && [ "$old_ip_address" != "$new_ip_address" ]; then # leased IP has changed => flush it ip -4 addr flush dev ${interface} label ${interface} fi if [ -z "$old_ip_address" ] || [ "$old_ip_address" != "$new_ip_address" ] || [ "$reason" = "BOUND" ] || [ "$reason" = "REBOOT" ]; then # new IP has been leased or leased IP changed => set it ip -4 addr add ${new_ip_address}${new_subnet_mask:+/$new_subnet_mask} \ ${new_broadcast_address:+broadcast $new_broadcast_address} \ dev ${interface} label ${interface} if [ -n "$new_interface_mtu" ]; then # set MTU ip link set dev ${interface} mtu ${new_interface_mtu} fi # if we have $new_rfc3442_classless_static_routes then we have to # ignore $new_routers entirely if [ ! "$new_rfc3442_classless_static_routes" ]; then # set if_metric if IF_METRIC is set or there's more than one router if_metric="$IF_METRIC" if [ "${new_routers%% *}" != "${new_routers}" ]; then if_metric=${if_metric:-1} fi for router in $new_routers; do if [ "$new_subnet_mask" = "255.255.255.255" ]; then # point-to-point connection => set explicit route ip -4 route add ${router} dev $interface >/dev/null 2>&1 fi # set default route ip -4 route add default via ${router} dev ${interface} \ ${if_metric:+metric $if_metric} >/dev/null 2>&1 if [ -n "$if_metric" ]; then if_metric=$((if_metric+1)) fi done fi fi if [ -n "$alias_ip_address" ] && [ "$new_ip_address" != "$alias_ip_address" ]; then # separate alias IP given, which may have changed # => flush it, set it & add host route to it ip -4 addr flush dev ${interface} label ${interface}:0 ip -4 addr add ${alias_ip_address}${alias_subnet_mask:+/$alias_subnet_mask} \ dev ${interface} label ${interface}:0 ip -4 route add ${alias_ip_address} dev ${interface} >/dev/null 2>&1 fi # update /etc/resolv.conf make_resolv_conf ;; EXPIRE|FAIL|RELEASE|STOP) if [ -n "$alias_ip_address" ]; then # flush alias IP ip -4 addr flush dev ${interface} label ${interface}:0 fi if [ -n "$old_ip_address" ]; then # flush leased IP ip -4 addr flush dev ${interface} label ${interface} fi if [ -n "$alias_ip_address" ]; then # alias IP given => set it & add host route to it ip -4 addr add ${alias_ip_address}${alias_subnet_mask:+/$alias_subnet_mask} \ dev ${interface} label ${interface}:0 ip -4 route add ${alias_ip_address} dev ${interface} >/dev/null 2>&1 fi ;; TIMEOUT) if [ -n "$alias_ip_address" ]; then # flush alias IP ip -4 addr flush dev ${interface} label ${interface}:0 fi # set IP from recorded lease ip -4 addr add ${new_ip_address}${new_subnet_mask:+/$new_subnet_mask} \ ${new_broadcast_address:+broadcast $new_broadcast_address} \ dev ${interface} label ${interface} if [ -n "$new_interface_mtu" ]; then # set MTU ip link set dev ${interface} mtu ${new_interface_mtu} fi # if there is no router recorded in the lease or the 1st router answers pings if [ -z "$new_routers" ] || ping -q -c 1 "${new_routers%% *}"; then # if we have $new_rfc3442_classless_static_routes then we have to # ignore $new_routers entirely if [ ! "$new_rfc3442_classless_static_routes" ]; then if [ -n "$alias_ip_address" ] && [ "$new_ip_address" != "$alias_ip_address" ]; then # separate alias IP given => set up the alias IP & add host route to it ip -4 addr add ${alias_ip_address}${alias_subnet_mask:+/$alias_subnet_mask} \ dev ${interface} label ${interface}:0 ip -4 route add ${alias_ip_address} dev ${interface} >/dev/null 2>&1 fi # set if_metric if IF_METRIC is set or there's more than one router if_metric="$IF_METRIC" if [ "${new_routers%% *}" != "${new_routers}" ]; then if_metric=${if_metric:-1} fi # set default route for router in $new_routers; do ip -4 route add default via ${router} dev ${interface} \ ${if_metric:+metric $if_metric} >/dev/null 2>&1 if [ -n "$if_metric" ]; then if_metric=$((if_metric+1)) fi done fi # update /etc/resolv.conf make_resolv_conf else # flush all IPs from interface ip -4 addr flush dev ${interface} exit_with_hooks 2 fi ;; ### DHCPv6 Handlers # TODO handle prefix change: ?based on ${old_ip6_prefix} and ${new_ip6_prefix}? PREINIT6) # ensure interface is up ipv6_link_up_and_dad "$interface" # flush any stale global permanent IPs from interface ip -6 addr flush dev ${interface} scope global permanent ;; BOUND6|RENEW6|REBIND6) if [ "${new_ip6_address}" ]; then # set leased IP ip -6 addr add ${new_ip6_address} \ dev ${interface} scope global fi # update /etc/resolv.conf if [ "${reason}" = BOUND6 ] || [ "${new_dhcp6_name_servers}" != "${old_dhcp6_name_servers}" ] || [ "${new_dhcp6_domain_search}" != "${old_dhcp6_domain_search}" ]; then make_resolv_conf fi ;; DEPREF6) # set preferred lifetime of leased IP to 0 ip -6 addr change ${cur_ip6_address} \ dev ${interface} scope global preferred_lft 0 ;; EXPIRE6|RELEASE6|STOP6) if [ -z "${old_ip6_address}" ]; then exit_with_hooks 2 fi # delete leased IP ip -6 addr del ${old_ip6_address} \ dev ${interface} ;; esac exit_with_hooks 0