Linux ubuntu22 5.15.0-133-generic #144-Ubuntu SMP Fri Feb 7 20:47:38 UTC 2025 x86_64
nginx/1.18.0
: 128.199.27.159 | : 216.73.216.1
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8.1.31
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usr /
sbin /
[ HOME SHELL ]
Name
Size
Permission
Action
a2disconf
15.89
KB
-rwxr-xr-x
a2dismod
15.89
KB
-rwxr-xr-x
a2dissite
15.89
KB
-rwxr-xr-x
a2enconf
15.89
KB
-rwxr-xr-x
a2enmod
15.89
KB
-rwxr-xr-x
a2ensite
15.89
KB
-rwxr-xr-x
a2query
9.64
KB
-rwxr-xr-x
aa-remove-unknown
3
KB
-rwxr-xr-x
aa-status
62.62
KB
-rwxr-xr-x
aa-teardown
137
B
-rwxr-xr-x
accessdb
14.55
KB
-rwxr-xr-x
add-shell
1.03
KB
-rwxr-xr-x
addgnupghome
3
KB
-rwxr-xr-x
addgroup
37.35
KB
-rwxr-xr-x
adduser
37.35
KB
-rwxr-xr-x
agetty
55.56
KB
-rwxr-xr-x
apache2
740.89
KB
-rwxr-xr-x
apache2ctl
7.06
KB
-rwxr-xr-x
apachectl
7.06
KB
-rwxr-xr-x
apparmor_parser
1.48
MB
-rwxr-xr-x
apparmor_status
62.62
KB
-rwxr-xr-x
applygnupgdefaults
2.17
KB
-rwxr-xr-x
arp
61.61
KB
-rwxr-xr-x
arpd
26.33
KB
-rwxr-xr-x
arptables
219.04
KB
-rwxr-xr-x
arptables-nft
219.04
KB
-rwxr-xr-x
arptables-nft-restore
219.04
KB
-rwxr-xr-x
arptables-nft-save
219.04
KB
-rwxr-xr-x
arptables-restore
219.04
KB
-rwxr-xr-x
arptables-save
219.04
KB
-rwxr-xr-x
badblocks
34.32
KB
-rwxr-xr-x
bcache-super-show
14.3
KB
-rwxr-xr-x
biosdecode
23.2
KB
-rwxr-xr-x
blkdeactivate
15.97
KB
-rwxr-xr-x
blkdiscard
22.38
KB
-rwxr-xr-x
blkid
50.41
KB
-rwxr-xr-x
blkzone
34.38
KB
-rwxr-xr-x
blockdev
30.38
KB
-rwxr-xr-x
bridge
92.49
KB
-rwxr-xr-x
cache_check
1.33
MB
-rwxr-xr-x
cache_dump
1.33
MB
-rwxr-xr-x
cache_metadata_size
1.33
MB
-rwxr-xr-x
cache_repair
1.33
MB
-rwxr-xr-x
cache_restore
1.33
MB
-rwxr-xr-x
cache_writeback
1.33
MB
-rwxr-xr-x
capsh
30.3
KB
-rwxr-xr-x
cfdisk
94.73
KB
-rwxr-xr-x
cgdisk
150.48
KB
-rwxr-xr-x
chcpu
30.38
KB
-rwxr-xr-x
check_forensic
952
B
-rwxr-xr-x
chgpasswd
58.13
KB
-rwxr-xr-x
chmem
34.38
KB
-rwxr-xr-x
chpasswd
54.16
KB
-rwxr-xr-x
chroot
38.51
KB
-rwxr-xr-x
clamd
202.4
KB
-rwxr-xr-x
clamonacc
178.39
KB
-rwxr-xr-x
cpgr
48.29
KB
-rwxr-xr-x
cppw
48.29
KB
-rwxr-xr-x
cron
50.58
KB
-rwxr-xr-x
cryptdisks_start
1.51
KB
-rwxr-xr-x
cryptdisks_stop
844
B
-rwxr-xr-x
cryptsetup
169.55
KB
-rwxr-xr-x
cryptsetup-reencrypt
90.38
KB
-rwxr-xr-x
cryptsetup-ssh
23.53
KB
-rwxr-xr-x
ctrlaltdel
14.38
KB
-rwxr-xr-x
dbconfig-generate-include
12.36
KB
-rwxr-xr-x
dbconfig-load-include
5.57
KB
-rwxr-xr-x
dcb
80.52
KB
-rwxr-xr-x
debugfs
229.8
KB
-rwxr-xr-x
delgroup
16.11
KB
-rwxr-xr-x
deluser
16.11
KB
-rwxr-xr-x
depmod
166.36
KB
-rwxr-xr-x
devlink
142.86
KB
-rwxr-xr-x
dhclient
442.66
KB
-rwxr-xr-x
dhclient-script
15.92
KB
-rwxr-xr-x
dmeventd
50.38
KB
-rwxr-xr-x
dmidecode
122.98
KB
-rwxr-xr-x
dmsetup
171.01
KB
-rwxr-xr-x
dmstats
171.01
KB
-rwxr-xr-x
dosfsck
82.38
KB
-rwxr-xr-x
dosfslabel
38.38
KB
-rwxr-xr-x
dpkg-preconfigure
3.58
KB
-rwxr-xr-x
dpkg-reconfigure
4.38
KB
-rwxr-xr-x
dumpe2fs
30.31
KB
-rwxr-xr-x
e2freefrag
14.3
KB
-rwxr-xr-x
e2fsck
351.84
KB
-rwxr-xr-x
e2image
42.31
KB
-rwxr-xr-x
e2label
102.55
KB
-rwxr-xr-x
e2mmpstatus
30.31
KB
-rwxr-xr-x
e2scrub
7.13
KB
-rwxr-xr-x
e2scrub_all
5.27
KB
-rwxr-xr-x
e2undo
22.3
KB
-rwxr-xr-x
e4crypt
30.38
KB
-rwxr-xr-x
e4defrag
30.3
KB
-rwxr-xr-x
ebtables
219.04
KB
-rwxr-xr-x
ebtables-nft
219.04
KB
-rwxr-xr-x
ebtables-nft-restore
219.04
KB
-rwxr-xr-x
ebtables-nft-save
219.04
KB
-rwxr-xr-x
ebtables-restore
219.04
KB
-rwxr-xr-x
ebtables-save
219.04
KB
-rwxr-xr-x
era_check
1.33
MB
-rwxr-xr-x
era_dump
1.33
MB
-rwxr-xr-x
era_invalidate
1.33
MB
-rwxr-xr-x
era_restore
1.33
MB
-rwxr-xr-x
ethtool
551.48
KB
-rwxr-xr-x
faillock
14.15
KB
-rwxr-xr-x
fatlabel
38.38
KB
-rwxr-xr-x
fdisk
110.42
KB
-rwxr-xr-x
filefrag
18.32
KB
-rwxr-xr-x
findfs
14.38
KB
-rwxr-xr-x
fixparts
58.48
KB
-rwxr-xr-x
fsadm
23.94
KB
-rwxr-xr-x
fsck
42.42
KB
-rwxr-xr-x
fsck.btrfs
1.16
KB
-rwxr-xr-x
fsck.cramfs
30.44
KB
-rwxr-xr-x
fsck.ext2
351.84
KB
-rwxr-xr-x
fsck.ext3
351.84
KB
-rwxr-xr-x
fsck.ext4
351.84
KB
-rwxr-xr-x
fsck.fat
82.38
KB
-rwxr-xr-x
fsck.minix
54.41
KB
-rwxr-xr-x
fsck.msdos
82.38
KB
-rwxr-xr-x
fsck.vfat
82.38
KB
-rwxr-xr-x
fsck.xfs
1.89
KB
-rwxr-xr-x
fsfreeze
14.38
KB
-rwxr-xr-x
fstab-decode
18.3
KB
-rwxr-xr-x
fstrim
42.38
KB
-rwxr-xr-x
gdisk
174.48
KB
-rwxr-xr-x
genl
90.44
KB
-rwxr-xr-x
getcap
14.3
KB
-rwxr-xr-x
getpcaps
14.3
KB
-rwxr-xr-x
getty
55.56
KB
-rwxr-xr-x
groupadd
66.91
KB
-rwxr-xr-x
groupdel
62.73
KB
-rwxr-xr-x
groupmems
54.19
KB
-rwxr-xr-x
groupmod
66.82
KB
-rwxr-xr-x
grpck
58.13
KB
-rwxr-xr-x
grpconv
50.01
KB
-rwxr-xr-x
grpunconv
50.01
KB
-rwxr-xr-x
grub-bios-setup
941.42
KB
-rwxr-xr-x
grub-install
1.15
MB
-rwxr-xr-x
grub-macbless
929.11
KB
-rwxr-xr-x
grub-mkconfig
8.6
KB
-rwxr-xr-x
grub-mkdevicemap
215.7
KB
-rwxr-xr-x
grub-probe
941.36
KB
-rwxr-xr-x
grub-reboot
4.73
KB
-rwxr-xr-x
grub-set-default
3.47
KB
-rwxr-xr-x
halt
1.06
MB
-rwxr-xr-x
hdparm
139.43
KB
-rwxr-xr-x
httxt2dbm
14.3
KB
-rwxr-xr-x
hwclock
50.5
KB
-rwxr-xr-x
iconvconfig
30.4
KB
-rwxr-xr-x
ifconfig
77.17
KB
-rwxr-xr-x
init
1.76
MB
-rwxr-xr-x
insmod
166.36
KB
-rwxr-xr-x
installkernel
2.6
KB
-rwxr-xr-x
integritysetup
54.07
KB
-rwxr-xr-x
invoke-rc.d
16.12
KB
-rwxr-xr-x
ip
702.05
KB
-rwxr-xr-x
ip6tables
219.04
KB
-rwxr-xr-x
ip6tables-apply
6.89
KB
-rwxr-xr-x
ip6tables-legacy
96.95
KB
-rwxr-xr-x
ip6tables-legacy-restore
96.95
KB
-rwxr-xr-x
ip6tables-legacy-save
96.95
KB
-rwxr-xr-x
ip6tables-nft
219.04
KB
-rwxr-xr-x
ip6tables-nft-restore
219.04
KB
-rwxr-xr-x
ip6tables-nft-save
219.04
KB
-rwxr-xr-x
ip6tables-restore
219.04
KB
-rwxr-xr-x
ip6tables-restore-translate
219.04
KB
-rwxr-xr-x
ip6tables-save
219.04
KB
-rwxr-xr-x
ip6tables-translate
219.04
KB
-rwxr-xr-x
ipmaddr
18.3
KB
-rwxr-xr-x
iptables
219.04
KB
-rwxr-xr-x
iptables-apply
6.89
KB
-rwxr-xr-x
iptables-legacy
96.95
KB
-rwxr-xr-x
iptables-legacy-restore
96.95
KB
-rwxr-xr-x
iptables-legacy-save
96.95
KB
-rwxr-xr-x
iptables-nft
219.04
KB
-rwxr-xr-x
iptables-nft-restore
219.04
KB
-rwxr-xr-x
iptables-nft-save
219.04
KB
-rwxr-xr-x
iptables-restore
219.04
KB
-rwxr-xr-x
iptables-restore-translate
219.04
KB
-rwxr-xr-x
iptables-save
219.04
KB
-rwxr-xr-x
iptables-translate
219.04
KB
-rwxr-xr-x
iptunnel
18.3
KB
-rwxr-xr-x
irqbalance
66.86
KB
-rwxr-xr-x
irqbalance-ui
34.38
KB
-rwxr-xr-x
iscsi-iname
14.3
KB
-rwxr-xr-x
iscsi_discovery
5.17
KB
-rwxr-xr-x
iscsiadm
398.46
KB
-rwxr-xr-x
iscsid
298.55
KB
-rwxr-xr-x
iscsistart
274.56
KB
-rwxr-xr-x
isosize
14.38
KB
-rwxr-xr-x
kbdrate
18.16
KB
-rwxr-xr-x
killall5
30.38
KB
-rwxr-xr-x
kpartx
46.16
KB
-rwxr-xr-x
ldattach
26.38
KB
-rwxr-xr-x
ldconfig
387
B
-rwxr-xr-x
ldconfig.real
1.16
MB
-rwxr-xr-x
locale-gen
4.29
KB
-rwxr-xr-x
logrotate
102.24
KB
-rwxr-xr-x
logsave
14.16
KB
-rwxr-xr-x
losetup
70.52
KB
-rwxr-xr-x
lsmod
166.36
KB
-rwxr-xr-x
luksformat
3.32
KB
-rwxr-xr-x
lvchange
2.89
MB
-rwxr-xr-x
lvconvert
2.89
MB
-rwxr-xr-x
lvcreate
2.89
MB
-rwxr-xr-x
lvdisplay
2.89
MB
-rwxr-xr-x
lvextend
2.89
MB
-rwxr-xr-x
lvm
2.89
MB
-rwxr-xr-x
lvmconfig
2.89
MB
-rwxr-xr-x
lvmdiskscan
2.89
MB
-rwxr-xr-x
lvmdump
10.07
KB
-rwxr-xr-x
lvmpolld
236.34
KB
-rwxr-xr-x
lvmsadc
2.89
MB
-rwxr-xr-x
lvmsar
2.89
MB
-rwxr-xr-x
lvreduce
2.89
MB
-rwxr-xr-x
lvremove
2.89
MB
-rwxr-xr-x
lvrename
2.89
MB
-rwxr-xr-x
lvresize
2.89
MB
-rwxr-xr-x
lvs
2.89
MB
-rwxr-xr-x
lvscan
2.89
MB
-rwxr-xr-x
make-bcache
22.38
KB
-rwxr-xr-x
make-ssl-cert
6.65
KB
-rwxr-xr-x
mdadm
601.31
KB
-rwxr-xr-x
mdmon
258.44
KB
-rwxr-xr-x
mii-tool
26.73
KB
-rwxr-xr-x
mkdosfs
50.83
KB
-rwxr-xr-x
mke2fs
130.62
KB
-rwxr-xr-x
mkfs
14.38
KB
-rwxr-xr-x
mkfs.bfs
22.38
KB
-rwxr-xr-x
mkfs.btrfs
471.25
KB
-rwxr-xr-x
mkfs.cramfs
34.32
KB
-rwxr-xr-x
mkfs.ext2
130.62
KB
-rwxr-xr-x
mkfs.ext3
130.62
KB
-rwxr-xr-x
mkfs.ext4
130.62
KB
-rwxr-xr-x
mkfs.fat
50.83
KB
-rwxr-xr-x
mkfs.minix
42.39
KB
-rwxr-xr-x
mkfs.msdos
50.83
KB
-rwxr-xr-x
mkfs.ntfs
70.38
KB
-rwxr-xr-x
mkfs.vfat
50.83
KB
-rwxr-xr-x
mkfs.xfs
382.77
KB
-rwxr-xr-x
mkhomedir_helper
22.17
KB
-rwxr-xr-x
mkinitramfs
12.16
KB
-rwxr-xr-x
mklost+found
14.3
KB
-rwxr-xr-x
mkntfs
70.38
KB
-rwxr-xr-x
mkswap
46.38
KB
-rwxr-xr-x
modinfo
166.36
KB
-rwxr-xr-x
modprobe
166.36
KB
-rwxr-xr-x
mount.fuse
18.3
KB
-rwxr-xr-x
mount.fuse3
18.3
KB
-rwxr-xr-x
mount.lowntfs-3g
114.98
KB
-rwxr-xr-x
mount.ntfs
159.01
KB
-rwxr-xr-x
mount.ntfs-3g
159.01
KB
-rwxr-xr-x
mpathpersist
31.05
KB
-rwxr-xr-x
multipath
34.15
KB
-rwxr-xr-x
multipathd
134.26
KB
-rwxr-xr-x
mysqld
52.93
MB
-rwxr-xr-x
nameif
14.48
KB
-rwxr-xr-x
needrestart
38.71
KB
-rwxr-xr-x
netplan
798
B
-rwxr-xr-x
newusers
74.73
KB
-rwxr-xr-x
nfnl_osf
18.3
KB
-rwxr-xr-x
nft
26.23
KB
-rwxr-xr-x
nginx
1.18
MB
-rwxr-xr-x
nologin
14.3
KB
-rwxr-xr-x
ntfsclone
50.38
KB
-rwxr-xr-x
ntfscp
34.38
KB
-rwxr-xr-x
ntfslabel
22.38
KB
-rwxr-xr-x
ntfsresize
62.39
KB
-rwxr-xr-x
ntfsundelete
50.38
KB
-rwxr-xr-x
on_ac_power
2.18
KB
-rwxr-xr-x
overlayroot-chroot
2.45
KB
-rwxr-xr-x
ownership
14.45
KB
-rwxr-xr-x
pam-auth-update
20.5
KB
-rwxr-xr-x
pam_extrausers_chkpwd
22.15
KB
-rwxr-sr-x
pam_extrausers_update
30.15
KB
-rwxr-xr-x
pam_getenv
2.82
KB
-rwxr-xr-x
pam_timestamp_check
14.15
KB
-rwxr-xr-x
parted
86.4
KB
-rwxr-xr-x
partprobe
14.38
KB
-rwxr-xr-x
pdata_tools
1.33
MB
-rwxr-xr-x
php-fpm8.1
5.29
MB
-rwxr-xr-x
phpdismod
7.11
KB
-rwxr-xr-x
phpenmod
7.11
KB
-rwxr-xr-x
phpquery
6.24
KB
-rwxr-xr-x
pivot_root
14.38
KB
-rwxr-xr-x
plipconfig
14.3
KB
-rwxr-xr-x
plymouthd
150.55
KB
-rwxr-xr-x
postalias
22.3
KB
-rwxr-xr-x
postcat
22.37
KB
-rwxr-xr-x
postconf
183.8
KB
-rwxr-xr-x
postdrop
22.42
KB
-r-xr-sr-x
postfix
18.38
KB
-rwxr-xr-x
postfix-add-filter
4.84
KB
-rwxr-xr-x
postfix-add-policy
3.77
KB
-rwxr-xr-x
postfix-collate
2.87
KB
-rwxr-xr-x
postkick
14.3
KB
-rwxr-xr-x
postlock
14.3
KB
-rwxr-xr-x
postlog
14.45
KB
-rwxr-xr-x
postmap
22.3
KB
-rwxr-xr-x
postmulti
30.69
KB
-rwxr-xr-x
postqueue
22.38
KB
-r-xr-sr-x
postsuper
30.59
KB
-rwxr-xr-x
posttls-finger
42.38
KB
-rwxr-xr-x
poweroff
1.06
MB
-rwxr-xr-x
pvchange
2.89
MB
-rwxr-xr-x
pvck
2.89
MB
-rwxr-xr-x
pvcreate
2.89
MB
-rwxr-xr-x
pvdisplay
2.89
MB
-rwxr-xr-x
pvmove
2.89
MB
-rwxr-xr-x
pvremove
2.89
MB
-rwxr-xr-x
pvresize
2.89
MB
-rwxr-xr-x
pvs
2.89
MB
-rwxr-xr-x
pvscan
2.89
MB
-rwxr-xr-x
pwck
50.13
KB
-rwxr-xr-x
pwconv
46.01
KB
-rwxr-xr-x
pwunconv
42.01
KB
-rwxr-xr-x
qmqp-sink
18.3
KB
-rwxr-xr-x
qmqp-source
22.31
KB
-rwxr-xr-x
qshape
12.55
KB
-rwxr-xr-x
rarp
32.33
KB
-rwxr-xr-x
readprofile
22.41
KB
-rwxr-xr-x
reboot
1.06
MB
-rwxr-xr-x
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18.3
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166.36
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58.57
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58.57
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64.27
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767.19
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28.31
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1.06
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14.3
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14.23
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14.29
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1.06
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35.27
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30.32
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2.36
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899.7
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47.35
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200.1
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107.34
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30.23
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1.33
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1.33
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1.33
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1.33
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1.33
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102.55
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106
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14.3
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22.4
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26.15
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30.15
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5.29
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64
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301
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64
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6.74
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2.99
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9.39
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34.56
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16.92
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43.76
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2.89
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2.89
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2.89
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2.89
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2.89
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2.89
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2.89
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2.89
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2.89
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2.89
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219.79
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14.58
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38.38
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1.37
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695
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82.48
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652.44
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14.16
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800
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42.18
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38.28
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1.26
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199.55
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78.33
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26.17
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782
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1.02
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685
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90.16
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599.38
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18.15
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106.27
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5.87
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42.3
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96.95
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219.04
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219.04
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14.15
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62.32
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zramctl
54.52
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Code Editor : e2scrub
#!/bin/bash # Copyright (C) 2018 Oracle. All Rights Reserved. # # Author: Darrick J. Wong <darrick.wong@oracle.com> # # This program is free software; you can redistribute it and/or # modify it under the terms of the GNU General Public License # as published by the Free Software Foundation; either version 2 # of the License, or (at your option) any later version. # # This program is distributed in the hope that it would be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the # GNU General Public License for more details. # # You should have received a copy of the GNU General Public License # along with this program; if not, write the Free Software Foundation, # Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA. # Automatically check an LVM-managed filesystem online. # We use lvm snapshots to do this, which means that we can only # check filesystems in VGs that have at least 256MB (or so) of # free space. PATH=/usr/local/sbin:/usr/local/bin:/sbin:/bin:/usr/sbin:/usr/bin if (( $EUID != 0 )); then echo "e2scrub must be run as root" exit 1 fi snap_size_mb=256 fstrim=0 reap=0 e2fsck_opts="" conffile="/etc/e2scrub.conf" test -f "${conffile}" && . "${conffile}" print_help() { echo "Usage: $0 [OPTIONS] mountpoint | device" echo echo "mountpoint must be on an LVM-managed block device" echo "-n: Show what commands e2scrub would execute." echo "-r: Remove e2scrub snapshot and exit, do not check anything." echo "-t: Run fstrim if successful." echo "-V: Print version information and exit." } print_version() { echo "e2scrub 1.46.5 (30-Dec-2021)" } exitcode() { ret="$1" # If we're being run as a service, the return code must fit the LSB # init script action error guidelines, which is to say that we # compress all errors to 1 ("generic or unspecified error", LSB 5.0 # section 22.2) and hope the admin will scan the log for what # actually happened. # We have to sleep 2 seconds here because journald uses the pid to # connect our log messages to the systemd service. This is critical # for capturing all the log messages if the scrub fails, because the # fail service uses the service name to gather log messages for the # error report. if [ -n "${SERVICE_MODE}" -a "${ret}" -ne 0 ]; then test "${ret}" -ne 0 && ret=1 sleep 2 fi exit "${ret}" } while getopts "nrtV" opt; do case "${opt}" in "n") DBG="echo Would execute: " ;; "r") reap=1;; "t") fstrim=1;; "V") print_version; exitcode 0;; *) print_help; exitcode 2;; esac done shift "$((OPTIND - 1))" arg="$1" if [ -z "${arg}" ]; then print_help exitcode 1 fi if ! type lsblk >& /dev/null ; then echo "e2scrub: can't find lsblk --- is util-linux installed?" exitcode 1 fi if ! type lvcreate >& /dev/null ; then echo "e2scrub: can't find lvcreate --- is lvm2 installed?" exitcode 1 fi # close file descriptor 3 (from cron) since it causes lvm to kvetch exec 3<&- # Find the device for a given mountpoint dev_from_mount() { local mountpt="$(realpath "$1")" lsblk -o NAME,FSTYPE,MOUNTPOINT -p -P -n 2> /dev/null | while read vars; do eval "${vars}" if [ "${mountpt}" != "${MOUNTPOINT}" ]; then continue fi case "${FSTYPE}" in ext[234]) echo "${NAME}" return 0 ;; esac done return 1 } # Check a device argument dev_from_arg() { local dev="$1" local fstype="$(lsblk -o FSTYPE -n "${dev}" 2> /dev/null)" case "${fstype}" in ext[234]) echo "${dev}" return 0 ;; esac return 1 } mnt_from_dev() { local dev="$1" if [ -n "${dev}" ]; then lsblk -o MOUNTPOINT -n "${dev}" fi } # Construct block device path and mountpoint from argument if [ -b "${arg}" ]; then dev="$(dev_from_arg "${arg}")" mnt="$(mnt_from_dev "${dev}")" else dev="$(dev_from_mount "${arg}")" mnt="${arg}" fi if [ ! -e "${dev}" ]; then echo "${arg}: Not an ext[234] filesystem." print_help exitcode 16 fi # Make sure this is an LVM device we can snapshot lvm_vars="$(lvs --nameprefixes -o name,vgname,lv_role --noheadings "${dev}" 2> /dev/null)" eval "${lvm_vars}" if [ -z "${LVM2_VG_NAME}" ] || [ -z "${LVM2_LV_NAME}" ] || echo "${LVM2_LV_ROLE}" | grep -q "snapshot"; then echo "${arg}: Not connnected to an LVM logical volume." print_help exitcode 16 fi start_time="$(date +'%Y%m%d%H%M%S')" snap="${LVM2_LV_NAME}.e2scrub" snap_dev="/dev/${LVM2_VG_NAME}/${snap}" teardown() { # Remove and wait for removal to succeed. ${DBG} lvremove -f "${LVM2_VG_NAME}/${snap}" while [ -e "${snap_dev}" ] && [ "$?" -eq "5" ]; do sleep 0.5 ${DBG} lvremove -f "${LVM2_VG_NAME}/${snap}" done } check() { # First we recover the journal, then we see if e2fsck tries any # non-optimization repairs. If either of these two returns a # non-zero status (errors fixed or remaining) then this fs is bad. E2FSCK_FIXES_ONLY=1 export E2FSCK_FIXES_ONLY ${DBG} "/sbin/e2fsck" -E journal_only -p ${e2fsck_opts} "${snap_dev}" || return $? ${DBG} "/sbin/e2fsck" -f -y ${e2fsck_opts} "${snap_dev}" } mark_clean() { ${DBG} "/sbin/tune2fs" -C 0 -T "${start_time}" "${dev}" } mark_corrupt() { ${DBG} "/sbin/tune2fs" -E force_fsck "${dev}" } setup() { # Try to remove snapshot for 30s, bail out if we can't remove it. lvremove_deadline="$(( $(date "+%s") + 30))" ${DBG} lvremove -f "${LVM2_VG_NAME}/${snap}" 2>/dev/null while [ -e "${snap_dev}" ] && [ "$?" -eq "5" ] && [ "$(date "+%s")" -lt "${lvremove_deadline}" ]; do sleep 0.5 ${DBG} lvremove -f "${LVM2_VG_NAME}/${snap}" done if [ -e "${snap_dev}" ]; then echo "${arg}: e2scrub snapshot is in use, cannot check!" return 1 fi # Create the snapshot, wait for device to appear. ${DBG} lvcreate -s -L "${snap_size_mb}m" -n "${snap}" "${LVM2_VG_NAME}/${LVM2_LV_NAME}" if [ $? -ne 0 ]; then echo "${arg}: e2scrub snapshot FAILED, will not check!" return 1 fi ${DBG} udevadm settle 2> /dev/null return 0 } if [ "${reap}" -gt 0 ]; then if [ -e "${snap_dev}" ]; then teardown 2> /dev/null fi exit 0 fi if ! setup; then exitcode 8 fi trap "teardown; exit 1" EXIT INT QUIT TERM # Check and react check case "$?" in "0") # Clean check! echo "${arg}: Scrub succeeded." mark_clean teardown trap '' EXIT # Trim the free space, which requires the snapshot be deleted. if [ "${fstrim}" -eq 1 ] && [ -d "${mnt}" ] && type fstrim > /dev/null 2>&1; then echo "${arg}: Trimming free space." fstrim -v "${mnt}" fi ret=0 ;; "8") # Operational error, what now? echo "${arg}: e2fsck operational error." teardown trap '' EXIT ret=8 ;; *) # fsck failed. Check if the snapshot is invalid; if so, make a # note of that at the end of the log. This isn't necessarily a # failure because the mounted fs could have overflowed the # snapshot with regular disk writes /or/ our repair process # could have done it by repairing too much. # # If it's really corrupt we ought to fsck at next boot. is_invalid="$(lvs -o lv_snapshot_invalid --noheadings "${snap_dev}" | awk '{print $1}')" if [ -n "${is_invalid}" ]; then echo "${arg}: Scrub FAILED due to invalid snapshot." ret=8 else echo "${arg}: Scrub FAILED due to corruption! Unmount and run e2fsck -y." mark_corrupt ret=6 fi teardown trap '' EXIT ;; esac exitcode "${ret}"
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