Linux clientvps21.redlake.in 5.14.0-611.36.1.el9_7.x86_64 #1 SMP PREEMPT_DYNAMIC Tue Mar 3 11:23:52 EST 2026 x86_64
LiteSpeed
: 95.216.48.241 | : 216.73.216.50
14 Domain
8.1.34
mydemowebs
www.github.com/MadExploits
Terminal
AUTO ROOT
Adminer
Backdoor Destroyer
Linux Exploit
Lock Shell
Lock File
Create User
CREATE RDP
PHP Mailer
BACKCONNECT
UNLOCK SHELL
HASH IDENTIFIER
CPANEL RESET
CREATE WP USER
README
+ Create Folder
+ Create File
/
usr /
sbin /
[ HOME SHELL ]
Name
Size
Permission
Action
NetworkManager
3.69
MB
-rwxr-xr-x
accessdb
15.42
KB
-rwxr-xr-x
addgnupghome
3.01
KB
-rwxr-xr-x
addpart
15.16
KB
-rwxr-xr-x
adduser
137.83
KB
-rwxr-xr-x
agetty
56.71
KB
-rwxr-xr-x
alternatives
39.59
KB
-rwxr-xr-x
anacron
39.52
KB
-rwxr-xr-x
apachectl
4.7
KB
-rwxr-xr-x
applygnupgdefaults
2.17
KB
-rwxr-xr-x
arp
63.21
KB
-rwxr-xr-x
arping
27.25
KB
-rwxr-xr-x
arptables
231.41
KB
-rwxr-xr-x
arptables-nft
231.41
KB
-rwxr-xr-x
arptables-nft-restore
231.41
KB
-rwxr-xr-x
arptables-nft-save
231.41
KB
-rwxr-xr-x
arptables-restore
231.41
KB
-rwxr-xr-x
arptables-save
231.41
KB
-rwxr-xr-x
atd
31.26
KB
-rwxr-xr-x
atrun
70
B
-rwxr-xr-x
auditctl
51.59
KB
-rwxr-xr-x
auditd
137.05
KB
-rwxr-xr-x
augenrules
4.05
KB
-rwxr-xr-x
aureport
120.3
KB
-rwxr-xr-x
ausearch
120.27
KB
-rwxr-xr-x
autrace
19.17
KB
-rwxr-x---
avcstat
15.35
KB
-rwxr-xr-x
badblocks
35.35
KB
-rwxr-xr-x
blkdeactivate
15.97
KB
-r-xr-xr-x
blkdiscard
23.2
KB
-rwxr-xr-x
blkid
51.61
KB
-rwxr-xr-x
blkmapd
39.42
KB
-rwxr-xr-x
blkzone
35.46
KB
-rwxr-xr-x
blockdev
31.42
KB
-rwxr-xr-x
bridge
130.93
KB
-rwxr-xr-x
capsh
31.21
KB
-rwxr-xr-x
cfdisk
96.34
KB
-rwxr-xr-x
chcpu
31.42
KB
-rwxr-xr-x
chgpasswd
59.77
KB
-rwxr-xr-x
chkconfig
43.78
KB
-rwxr-xr-x
chpasswd
55.63
KB
-rwxr-xr-x
chronyd
369.44
KB
-rwxr-xr-x
chroot
39.73
KB
-rwxr-xr-x
clock
59.77
KB
-rwxr-xr-x
consoletype
15.28
KB
-rwxr-xr-x
convertquota
69.01
KB
-rwxr-xr-x
cracklib-check
15.7
KB
-rwxr-xr-x
cracklib-format
255
B
-rwxr-xr-x
cracklib-packer
15.7
KB
-rwxr-xr-x
cracklib-unpacker
15.69
KB
-rwxr-xr-x
create-cracklib-dict
994
B
-rwxr-xr-x
crond
76.16
KB
-rwxr-xr-x
ctrlaltdel
15.19
KB
-rwxr-xr-x
ctstat
23.59
KB
-rwxr-xr-x
dcb
94.69
KB
-rwxr-xr-x
ddns-confgen
27.26
KB
-rwxr-xr-x
debugfs
233.03
KB
-rwxr-xr-x
delpart
15.13
KB
-rwxr-xr-x
depmod
165.57
KB
-rwxr-xr-x
devlink
161.81
KB
-rwxr-xr-x
dmfilemapd
23.3
KB
-r-xr-xr-x
dmsetup
156.77
KB
-r-xr-xr-x
dmstats
156.77
KB
-r-xr-xr-x
dnssec-cds
47.67
KB
-rwxr-xr-x
dnssec-checkds
924
B
-rwxr-xr-x
dnssec-coverage
926
B
-rwxr-xr-x
dnssec-dsfromkey
39.44
KB
-rwxr-xr-x
dnssec-importkey
35.44
KB
-rwxr-xr-x
dnssec-keyfromlabel
39.42
KB
-rwxr-xr-x
dnssec-keygen
47.45
KB
-rwxr-xr-x
dnssec-keymgr
922
B
-rwxr-xr-x
dnssec-revoke
31.41
KB
-rwxr-xr-x
dnssec-settime
47.44
KB
-rwxr-xr-x
dnssec-signzone
95.88
KB
-rwxr-xr-x
dnssec-verify
31.45
KB
-rwxr-xr-x
dovecot
143.55
KB
-rwxr-xr-x
dovecot_cpshutdown
3.27
KB
-rwxr-xr-x
dumpe2fs
31.29
KB
-rwxr-xr-x
e2freefrag
15.19
KB
-rwxr-xr-x
e2fsck
356.09
KB
-rwxr-xr-x
e2image
43.41
KB
-rwxr-xr-x
e2label
104.46
KB
-rwxr-xr-x
e2mmpstatus
31.29
KB
-rwxr-xr-x
e2undo
23.16
KB
-rwxr-xr-x
e4crypt
31.3
KB
-rwxr-xr-x
e4defrag
31.26
KB
-rwxr-xr-x
ebtables
231.41
KB
-rwxr-xr-x
ebtables-nft
231.41
KB
-rwxr-xr-x
ebtables-nft-restore
231.41
KB
-rwxr-xr-x
ebtables-nft-save
231.41
KB
-rwxr-xr-x
ebtables-restore
231.41
KB
-rwxr-xr-x
ebtables-save
231.41
KB
-rwxr-xr-x
ebtables-translate
231.41
KB
-rwxr-xr-x
edquota
89.5
KB
-rwxr-xr-x
ether-wake
50.24
KB
-rwxr-xr-x
ethtool
988.96
KB
-rwxr-xr-x
exicyclog
11.1
KB
-rwxr-xr-x
exigrep
11.44
KB
-rwxr-xr-x
exim
1.55
MB
-rwsr-xr-x
exim_checkaccess
4.83
KB
-rwxr-xr-x
exim_dbmbuild
22.45
KB
-rwxr-xr-x
exim_dumpdb
23.68
KB
-rwxr-xr-x
exim_fixdb
32.24
KB
-rwxr-xr-x
exim_lock
22.79
KB
-rwxr-xr-x
exim_tidydb
23.7
KB
-rwxr-xr-x
eximstats
149.14
KB
-rwxr-xr-x
exinext
8.03
KB
-rwxr-xr-x
exiqgrep
6.58
KB
-rwxr-xr-x
exiqsumm
6.29
KB
-rwxr-xr-x
exiwhat
4.42
KB
-rwxr-xr-x
exportfs
68.46
KB
-rwxr-xr-x
faillock
23.18
KB
-rwxr-xr-x
fcgistarter
24.71
KB
-rwxr-xr-x
fdformat
23.2
KB
-rwxr-xr-x
fdisk
112.07
KB
-rwxr-xr-x
filefrag
19.22
KB
-rwxr-xr-x
findfs
15.16
KB
-rwxr-xr-x
fix-info-dir
7.85
KB
-rwxr-xr-x
fixfiles
12.1
KB
-rwxr-xr-x
fsck
43.55
KB
-rwxr-xr-x
fsck.cramfs
31.38
KB
-rwxr-xr-x
fsck.ext2
356.09
KB
-rwxr-xr-x
fsck.ext3
356.09
KB
-rwxr-xr-x
fsck.ext4
356.09
KB
-rwxr-xr-x
fsck.minix
55.71
KB
-rwxr-xr-x
fsck.xfs
2.54
KB
-rwxr-xr-x
fsfreeze
15.16
KB
-rwxr-xr-x
fstrim
43.51
KB
-rwxr-xr-x
fuser
41.09
KB
-rwxr-xr-x
g13-syshelp
88.6
KB
-rwxr-xr-x
genhomedircon
32.04
KB
-rwxr-xr-x
genhostid
15.28
KB
-rwxr-xr-x
genl
130.1
KB
-rwxr-xr-x
getcap
15.13
KB
-rwxr-xr-x
getenforce
15.27
KB
-rwxr-xr-x
getpcaps
15.12
KB
-rwxr-xr-x
getpidprevcon
15.29
KB
-rwxr-xr-x
getpolicyload
15.28
KB
-rwxr-xr-x
getsebool
15.3
KB
-rwxr-xr-x
groupadd
68.77
KB
-rwxr-xr-x
groupdel
64.53
KB
-rwxr-xr-x
groupmems
55.77
KB
-rwxr-xr-x
groupmod
72.76
KB
-rwxr-xr-x
grpck
59.76
KB
-rwxr-xr-x
grpconv
51.56
KB
-rwxr-xr-x
grpunconv
51.53
KB
-rwxr-xr-x
grub2-bios-setup
1.34
MB
-rwxr-xr-x
grub2-get-kernel-settings
2.68
KB
-rwxr-xr-x
grub2-install
1.65
MB
-rwxr-xr-x
grub2-macbless
1.33
MB
-rwxr-xr-x
grub2-mkconfig
9.21
KB
-rwxr-xr-x
grub2-probe
1.35
MB
-rwxr-xr-x
grub2-reboot
4.7
KB
-rwxr-xr-x
grub2-set-bootflag
15.09
KB
-rwsr-xr-x
grub2-set-default
3.46
KB
-rwxr-xr-x
grub2-set-password
2.74
KB
-rwxr-xr-x
grub2-setpassword
2.74
KB
-rwxr-xr-x
grub2-switch-to-blscfg
8.81
KB
-rwxr-xr-x
grubby
260
B
-rwxr-xr-x
gssproxy
124.89
KB
-rwxr-xr-x
halt
298.42
KB
-rwxr-xr-x
htcacheclean
52.8
KB
-rwxr-xr-x
httpd
1.82
KB
-rwxr-xr-x
httpd_ls_bak
1.09
MB
-rwxr-xr-x
httpd_ls_bak_bak
1.09
MB
-rwxr-xr-x
httpd_ls_bak_bak_restore_done
1.08
MB
-rwxr-xr-x
hwclock
59.77
KB
-rwxr-xr-x
iconvconfig
31.68
KB
-rwxr-xr-x
ifconfig
78.98
KB
-rwxr-xr-x
ifenslave
23.73
KB
-rwxr-xr-x
ifstat
39.6
KB
-rwxr-xr-x
init
95.74
KB
-rwxr-xr-x
insmod
165.57
KB
-rwxr-xr-x
install-info
106.7
KB
-rwxr-xr-x
installkernel
323
B
-rwxr-xr-x
intel_sdsi
22.43
KB
-rwxr-xr-x
ip
770.19
KB
-rwxr-xr-x
ip6tables
231.41
KB
-rwxr-xr-x
ip6tables-nft
231.41
KB
-rwxr-xr-x
ip6tables-nft-restore
231.41
KB
-rwxr-xr-x
ip6tables-nft-save
231.41
KB
-rwxr-xr-x
ip6tables-restore
231.41
KB
-rwxr-xr-x
ip6tables-restore-translate
231.41
KB
-rwxr-xr-x
ip6tables-save
231.41
KB
-rwxr-xr-x
ip6tables-translate
231.41
KB
-rwxr-xr-x
ipmaddr
19.45
KB
-rwxr-xr-x
ipset
15.27
KB
-rwxr-xr-x
ipset-translate
15.27
KB
-rwxr-xr-x
iptables
231.41
KB
-rwxr-xr-x
iptables-nft
231.41
KB
-rwxr-xr-x
iptables-nft-restore
231.41
KB
-rwxr-xr-x
iptables-nft-save
231.41
KB
-rwxr-xr-x
iptables-restore
231.41
KB
-rwxr-xr-x
iptables-restore-translate
231.41
KB
-rwxr-xr-x
iptables-save
231.41
KB
-rwxr-xr-x
iptables-translate
231.41
KB
-rwxr-xr-x
iptunnel
19.5
KB
-rwxr-xr-x
irqbalance
64.45
KB
-rwxr-xr-x
irqbalance-ui
39.59
KB
-rwxr-xr-x
kexec
192.6
KB
-rwxr-xr-x
key.dns_resolver
31.35
KB
-rwxr-xr-x
kpartx
47.52
KB
-rwxr-xr-x
lchage
23.16
KB
-rwxr-xr-x
ldattach
27.23
KB
-rwxr-xr-x
ldconfig
1.12
MB
-rwxr-xr-x
lgroupadd
15.12
KB
-rwxr-xr-x
lgroupdel
15.11
KB
-rwxr-xr-x
lgroupmod
23.13
KB
-rwxr-xr-x
lid
19.13
KB
-rwxr-xr-x
lnewusers
23.13
KB
-rwxr-xr-x
lnstat
23.59
KB
-rwxr-xr-x
load_policy
15.12
KB
-rwxr-xr-x
logrotate
95.66
KB
-rwxr-xr-x
logsave
15.19
KB
-rwxr-xr-x
losetup
72.09
KB
-rwxr-xr-x
lpasswd
23.13
KB
-rwxr-xr-x
lshw
853.59
KB
-rwxr-xr-x
lsmod
165.57
KB
-rwxr-xr-x
luseradd
23.13
KB
-rwxr-xr-x
luserdel
15.12
KB
-rwxr-xr-x
lusermod
23.13
KB
-rwxr-xr-x
makedumpfile
427.85
KB
-rwxr-xr-x
mariadbd
26.58
MB
-rwxr-xr-x
matchpathcon
15.31
KB
-rwxr-xr-x
mii-diag
24.2
KB
-rwxr-xr-x
mii-tool
27.78
KB
-rwxr-xr-x
mkdict
255
B
-rwxr-xr-x
mkdumprd
12.47
KB
-rwxr-xr-x
mke2fs
132.53
KB
-rwxr-xr-x
mkfs
15.17
KB
-rwxr-xr-x
mkfs.cramfs
35.38
KB
-rwxr-xr-x
mkfs.ext2
132.53
KB
-rwxr-xr-x
mkfs.ext3
132.53
KB
-rwxr-xr-x
mkfs.ext4
132.53
KB
-rwxr-xr-x
mkfs.minix
43.55
KB
-rwxr-xr-x
mkfs.xfs
450.77
KB
-rwxr-xr-x
mkhomedir_helper
23.21
KB
-rwxr-xr-x
mklost+found
15.12
KB
-rwxr-xr-x
mksquashfs
197.62
KB
-rwxr-xr-x
mkswap
47.5
KB
-rwxr-xr-x
modinfo
165.57
KB
-rwxr-xr-x
modprobe
165.57
KB
-rwxr-xr-x
modsec-sdbm-util
33.56
KB
-rwxr-x---
mount.fuse
15.34
KB
-rwxr-xr-x
mount.nfs
100.52
KB
-rwsr-xr-x
mount.nfs4
100.52
KB
-rwsr-xr-x
mountstats
42.5
KB
-rwxr-xr-x
mysqld
26.58
MB
-rwxr-xr-x
named
545
KB
-rwxr-xr-x
named-checkconf
39.4
KB
-rwxr-xr-x
named-checkzone
39.34
KB
-rwxr-xr-x
named-compilezone
39.34
KB
-rwxr-xr-x
named-journalprint
15.13
KB
-rwxr-xr-x
named-nzd2nzf
15.12
KB
-rwxr-xr-x
nameif
15.58
KB
-rwxr-xr-x
newusers
88.71
KB
-rwxr-xr-x
nfsconf
39.87
KB
-rwxr-xr-x
nfsdcld
55.88
KB
-rwxr-xr-x
nfsdclddb
9.99
KB
-rwxr-xr-x
nfsdclnts
9.05
KB
-rwxr-xr-x
nfsdcltrack
39.92
KB
-rwxr-xr-x
nfsidmap
23.3
KB
-rwxr-xr-x
nfsiostat
23.35
KB
-rwxr-xr-x
nfsref
43.52
KB
-rwxr-xr-x
nfsstat
38.27
KB
-rwxr-xr-x
nft
27.17
KB
-rwxr-xr-x
nologin
15.16
KB
-rwxr-xr-x
nscd
162.95
KB
-rwxr-xr-x
nsec3hash
15.2
KB
-rwxr-xr-x
nstat
31.34
KB
-rwxr-xr-x
packer
15.7
KB
-rwxr-xr-x
pam_console_apply
43.51
KB
-rwxr-xr-x
pam_namespace_helper
471
B
-rwxr-xr-x
pam_timestamp_check
15.13
KB
-rwxr-xr-x
paperconfig
4.08
KB
-rwxr-xr-x
parted
96.39
KB
-rwxr-xr-x
partprobe
15.34
KB
-rwxr-xr-x
partx
59.77
KB
-rwxr-xr-x
pdns_server
5.86
MB
-rwxr-xr-x
pidof
23.33
KB
-rwxr-xr-x
ping
89.33
KB
-rwxr-xr-x
ping6
89.33
KB
-rwxr-xr-x
pivot_root
15.16
KB
-rwxr-xr-x
plipconfig
15.35
KB
-rwxr-xr-x
poweroff
298.42
KB
-rwxr-xr-x
pwck
55.6
KB
-rwxr-xr-x
pwconv
47.45
KB
-rwxr-xr-x
pwhistory_helper
19.2
KB
-rwxr-xr-x
pwunconv
47.41
KB
-rwxr-xr-x
quotacheck
93.62
KB
-rwxr-xr-x
quotaoff
56.67
KB
-rwxr-xr-x
quotaon
56.67
KB
-rwxr-xr-x
quotastats
15.34
KB
-rwxr-xr-x
rdisc
31.36
KB
-rwxr-xr-x
rdma
113.02
KB
-rwxr-xr-x
readprofile
23.27
KB
-rwxr-xr-x
reboot
298.42
KB
-rwxr-xr-x
repquota
77.55
KB
-rwxr-xr-x
request-key
27.29
KB
-rwxr-xr-x
resize2fs
67.64
KB
-rwxr-xr-x
resizepart
23.4
KB
-rwxr-xr-x
restorecon
23.19
KB
-rwxr-xr-x
restorecon_xattr
15.13
KB
-rwxr-xr-x
rfkill
31.34
KB
-rwxr-xr-x
rmmod
165.57
KB
-rwxr-xr-x
rndc
43.25
KB
-rwxr-xr-x
rndc-confgen
23.26
KB
-rwxr-xr-x
rotatelogs
38.13
KB
-rwxr-xr-x
route
65.77
KB
-rwxr-xr-x
rpc.gssd
88.11
KB
-rwxr-xr-x
rpc.idmapd
47.73
KB
-rwxr-xr-x
rpc.mountd
132.56
KB
-rwxr-xr-x
rpc.nfsd
40
KB
-rwxr-xr-x
rpc.statd
80.79
KB
-rwxr-xr-x
rpcbind
59.89
KB
-rwxr-xr-x
rpcctl
9.42
KB
-rwxr-xr-x
rpcdebug
18.66
KB
-rwxr-xr-x
rpcinfo
35.58
KB
-rwxr-xr-x
rsyslogd
794.28
KB
-rwxr-xr-x
rtacct
29.34
KB
-rwxr-xr-x
rtcwake
35.26
KB
-rwxr-xr-x
rtkitctl
15.24
KB
-rwxr-xr-x
rtmon
126.02
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rtstat
23.59
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runlevel
298.42
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runq
1.55
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runuser
55.62
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sasldblistusers2
15.27
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saslpasswd2
15.24
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sefcontext_compile
72.38
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selabel_digest
15.31
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selabel_get_digests_all_partia...
15.33
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selabel_lookup
15.3
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selabel_lookup_best_match
15.31
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selabel_partial_match
15.3
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selinux_check_access
15.31
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selinuxconlist
15.3
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selinuxdefcon
15.3
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selinuxenabled
15.27
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selinuxexeccon
15.29
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semanage
40.64
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semodule
32.04
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sendmail
18.08
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service
4.51
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sestatus
23.13
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setcap
15.13
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setenforce
15.3
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setfiles
23.19
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setquota
81.58
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setsebool
19.15
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sfdisk
103.98
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showmount
15.48
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shutdown
298.42
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slattach
37.57
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sm-notify
51.77
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smartctl
853.95
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smartd
615.6
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ss
131.3
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sshd
946.12
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sss_cache
35.25
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sssd
71.61
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start-statd
1
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start-stop-daemon
48.65
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suexec
37.6
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sulogin
43.41
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swaplabel
19.18
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swapoff
23.27
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swapon
43.31
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switch_root
23.21
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sysctl
31.49
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tc
627.91
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telinit
298.42
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tipc
92.8
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36.03
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19.22
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19.22
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27.26
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104.46
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udevadm
583.8
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umount.nfs
100.52
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100.52
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23.28
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31.32
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113.8
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39.59
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23.33
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useradd
137.83
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88.84
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129.66
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15.29
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35.88
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vigr
58.15
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vipw
58.15
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visudo
220.84
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vmcore-dmesg
27.3
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weak-modules
33.58
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whmapi0
3.36
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3.36
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2.33
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39.28
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xfs_admin
2.13
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xfs_bmap
699
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xfs_copy
92.62
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708.08
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15.16
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804
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43.51
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43.63
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1.27
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xfs_io
202.59
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xfs_logprint
88.26
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xfs_mdrestore
27.28
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786
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xfs_mkfile
1.02
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xfs_ncheck
689
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xfs_quota
92.1
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xfs_repair
686.23
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xfs_rtcp
19.14
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xfs_spaceman
43.78
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xqmstats
15.33
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xtables-monitor
231.41
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xtables-nft-multi
231.41
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zic
59.63
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zramctl
55.88
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Code Editor : mkdumprd
#!/usr/bin/bash --norc # New mkdumprd # # Copyright 2011 Red Hat, Inc. # # Written by Cong Wang <amwang@redhat.com> # if [[ -f /etc/sysconfig/kdump ]]; then . /etc/sysconfig/kdump fi [[ $dracutbasedir ]] || dracutbasedir=/usr/lib/dracut . $dracutbasedir/dracut-functions.sh . /lib/kdump/kdump-lib.sh . /lib/kdump/kdump-logger.sh export IN_KDUMP=1 #initiate the kdump logger if ! dlog_init; then echo "failed to initiate the kdump logger." exit 1 fi SSH_KEY_LOCATION="/root/.ssh/kdump_id_rsa" SAVE_PATH=$(get_save_path) OVERRIDE_RESETTABLE=0 extra_modules="" dracut_args=(--quiet --hostonly --hostonly-cmdline --hostonly-i18n --hostonly-mode strict --hostonly-nics '') MKDUMPRD_TMPDIR="$(mktemp -d -t mkdumprd.XXXXXX)" [ -d "$MKDUMPRD_TMPDIR" ] || perror_exit "dracut: mktemp -p -d -t dracut.XXXXXX failed." MKDUMPRD_TMPMNT="$MKDUMPRD_TMPDIR/target" trap ' ret=$?; is_mounted $MKDUMPRD_TMPMNT && umount -f $MKDUMPRD_TMPMNT; [[ -d $MKDUMPRD_TMPDIR ]] && rm --one-file-system -rf -- "$MKDUMPRD_TMPDIR"; exit $ret; ' EXIT # clean up after ourselves no matter how we die. trap 'exit 1;' SIGINT add_dracut_arg() { dracut_args+=("$@") } add_dracut_mount() { add_dracut_arg "--mount" "$1" } add_dracut_sshkey() { add_dracut_arg "--sshkey" "$1" } # caller should ensure $1 is valid and mounted in 1st kernel to_mount() { local _target=$1 _fstype=$2 _options=$3 _sed_cmd _new_mntpoint _pdev _new_mntpoint=$(get_kdump_mntpoint_from_target "$_target") _fstype="${_fstype:-$(get_fs_type_from_target "$_target")}" _options="${_options:-$(get_mntopt_from_target "$_target")}" _options="${_options:-defaults}" if [[ $_fstype == "nfs"* ]]; then _pdev=$_target _sed_cmd+='s/,\(mount\)\?addr=[^,]*//g;' _sed_cmd+='s/,\(mount\)\?proto=[^,]*//g;' _sed_cmd+='s/,clientaddr=[^,]*//;' else # for non-nfs _target converting to use udev persistent name _pdev="$(kdump_get_persistent_dev "$_target")" if [[ -z $_pdev ]]; then return 1 fi fi # mount fs target as rw in 2nd kernel _sed_cmd+='s/\(^\|,\)ro\($\|,\)/\1rw\2/g;' # with 'noauto' in fstab nfs and non-root disk mount will fail in 2nd # kernel, filter it out here. _sed_cmd+='s/\(^\|,\)noauto\($\|,\)/\1/g;' # drop nofail or nobootwait _sed_cmd+='s/\(^\|,\)nofail\($\|,\)/\1/g;' _sed_cmd+='s/\(^\|,\)nobootwait\($\|,\)/\1/g;' _options=$(echo "$_options" | sed "$_sed_cmd") echo "$_pdev $_new_mntpoint $_fstype $_options" } #Function: get_ssh_size #$1=dump target #called from while loop and shouldn't read from stdin, so we're using "ssh -n" get_ssh_size() { local _out local _opt=("-i" "$SSH_KEY_LOCATION" "-o" "BatchMode=yes" "-o" "StrictHostKeyChecking=yes") if ! _out=$(ssh -q -n "${_opt[@]}" "$1" "df" "--output=avail" "$SAVE_PATH"); then perror_exit "checking remote ssh server available size failed." fi echo -n "$_out" | tail -1 } #mkdir if save path does not exist on ssh dump target #$1=ssh dump target #caller should ensure write permission on $1:$SAVE_PATH #called from while loop and shouldn't read from stdin, so we're using "ssh -n" mkdir_save_path_ssh() { local _opt _dir _opt=(-i "$SSH_KEY_LOCATION" -o BatchMode=yes -o StrictHostKeyChecking=yes) ssh -qn "${_opt[@]}" "$1" mkdir -p "$SAVE_PATH" &> /dev/null || perror_exit "mkdir failed on $1:$SAVE_PATH" # check whether user has write permission on $1:$SAVE_PATH _dir=$(ssh -qn "${_opt[@]}" "$1" mktemp -dqp "$SAVE_PATH" 2> /dev/null) || perror_exit "Could not create temporary directory on $1:$SAVE_PATH. Make sure user has write permission on destination" ssh -qn "${_opt[@]}" "$1" rmdir "$_dir" return 0 } #Function: get_fs_size #$1=dump target get_fs_size() { df --output=avail "$(get_mntpoint_from_target "$1")/$SAVE_PATH" | tail -1 } #Function: get_raw_size #$1=dump target get_raw_size() { fdisk -s "$1" } #Function: check_size #$1: dump type string ('raw', 'fs', 'ssh') #$2: dump target check_size() { local avail memtotal memtotal=$(awk '/MemTotal/{print $2}' /proc/meminfo) case "$1" in raw) avail=$(get_raw_size "$2") ;; ssh) avail=$(get_ssh_size "$2") ;; fs) avail=$(get_fs_size "$2") ;; *) return ;; esac || perror_exit "Check dump target size failed" if [[ $avail -lt $memtotal ]]; then dwarn "Warning: There might not be enough space to save a vmcore." dwarn " The size of $2 should be greater than $memtotal kilo bytes." fi } check_save_path_fs() { local _path=$1 if [[ ! -d $_path ]]; then perror_exit "Dump path $_path does not exist." fi } mount_failure() { local _target=$1 local _mnt=$2 local _fstype=$3 local msg="Failed to mount $_target" if [[ -n $_mnt ]]; then msg="$msg on $_mnt" fi msg="$msg for kdump preflight check." if [[ $_fstype == "nfs" ]]; then msg="$msg Please make sure nfs-utils has been installed." fi perror_exit "$msg" } check_user_configured_target() { local _target=$1 _cfg_fs_type=$2 _mounted local _mnt _opt _fstype _mnt=$(get_mntpoint_from_target "$_target") _opt=$(get_mntopt_from_target "$_target") _fstype=$(get_fs_type_from_target "$_target") if [[ -n $_fstype ]]; then # In case of nfs4, nfs should be used instead, nfs* options is deprecated in kdump.conf [[ $_fstype == "nfs"* ]] && _fstype=nfs if [[ -n $_cfg_fs_type ]] && [[ $_fstype != "$_cfg_fs_type" ]]; then perror_exit "\"$_target\" have a wrong type config \"$_cfg_fs_type\", expected \"$_fstype\"" fi else _fstype="$_cfg_fs_type" _fstype="$_cfg_fs_type" fi # For noauto mount, mount it inplace with default value. # Else use the temporary target directory if [[ -n $_mnt ]]; then if ! is_mounted "$_mnt"; then if [[ $_opt == *",noauto"* ]]; then mount "$_mnt" || mount_failure "$_target" "$_mnt" "$_fstype" _mounted=$_mnt else perror_exit "Dump target \"$_target\" is neither mounted nor configured as \"noauto\"" fi fi else _mnt=$MKDUMPRD_TMPMNT mkdir -p "$_mnt" mount "$_target" "$_mnt" -t "$_fstype" -o defaults || mount_failure "$_target" "" "$_fstype" _mounted=$_mnt fi # For user configured target, use $SAVE_PATH as the dump path within the target if [[ ! -d "$_mnt/$SAVE_PATH" ]]; then perror_exit "Dump path \"$SAVE_PATH\" does not exist in dump target \"$_target\"" fi check_size fs "$_target" # Unmount it early, if function is interrupted and didn't reach here, the shell trap will clear it up anyway if [[ -n $_mounted ]]; then umount -f -- "$_mounted" fi } # $1: core_collector config value verify_core_collector() { local _cmd="${1%% *}" local _params="${1#${_cmd}}" if [[ $_cmd != "makedumpfile" ]]; then if is_raw_dump_target; then dwarn "Warning: specifying a non-makedumpfile core collector, you will have to recover the vmcore manually." fi return fi if is_ssh_dump_target || is_raw_dump_target; then if ! strstr "$_params" "-F"; then perror_exit 'The specified dump target needs makedumpfile "-F" option.' fi _params="$_params vmcore" else _params="$_params vmcore dumpfile" fi # shellcheck disable=SC2086 if ! $_cmd --check-params $_params; then perror_exit "makedumpfile parameter check failed." fi } add_mount() { local _mnt _mnt=$(to_mount "$@") || exit 1 add_dracut_mount "$_mnt" } #handle the case user does not specify the dump target explicitly handle_default_dump_target() { local _target local _mntpoint is_user_configured_dump_target && return check_save_path_fs "$SAVE_PATH" _save_path=$(get_bind_mount_source "$SAVE_PATH") _target=$(get_target_from_path "$_save_path") _mntpoint=$(get_mntpoint_from_target "$_target") SAVE_PATH=${_save_path##"$_mntpoint"} add_mount "$_target" check_size fs "$_target" } # $1: function name for_each_block_target() { local dev majmin for dev in $(get_kdump_targets); do [[ -b $dev ]] || continue majmin=$(get_maj_min "$dev") check_block_and_slaves "$1" "$majmin" && return 1 done return 0 } #judge if a specific device with $1 is unresettable #return false if unresettable. is_unresettable() { local path device resettable=1 path="/sys/$(udevadm info --query=all --path="/sys/dev/block/$1" | awk '/^P:/ {print $2}' | sed -e 's/\(cciss[0-9]\+\/\).*/\1/g' -e 's/\/block\/.*$//')/resettable" if [[ -f $path ]]; then resettable="$(< "$path")" [[ $resettable -eq 0 ]] && [[ $OVERRIDE_RESETTABLE -eq 0 ]] && { device=$(udevadm info --query=all --path="/sys/dev/block/$1" | awk -F= '/DEVNAME/{print $2}') derror "Error: Can not save vmcore because device $device is unresettable" return 0 } fi return 1 } #check if machine is resettable. #return true if resettable check_resettable() { local _target _override_resettable _override_resettable=$(kdump_get_conf_val override_resettable) OVERRIDE_RESETTABLE=${_override_resettable:-$OVERRIDE_RESETTABLE} if [ "$OVERRIDE_RESETTABLE" != "0" ] && [ "$OVERRIDE_RESETTABLE" != "1" ]; then perror_exit "override_resettable value '$OVERRIDE_RESETTABLE' is invalid" fi for_each_block_target is_unresettable && return return 1 } check_crypt() { local _dev for _dev in $(get_kdump_targets); do if [[ -n $(get_luks_crypt_dev "$(get_maj_min "$_dev")") ]]; then derror "Device $_dev is encrypted." && return 1 fi done } if ! check_resettable; then exit 1 fi if ! check_crypt; then dwarn "Warning: Encrypted device is in dump path, which is not recommended, see kexec-kdump-howto.txt for more details." fi # firstly get right SSH_KEY_LOCATION keyfile=$(kdump_get_conf_val sshkey) if [[ -f $keyfile ]]; then # canonicalize the path SSH_KEY_LOCATION=$(/usr/bin/readlink -m "$keyfile") fi while read -r config_opt config_val; do # remove inline comments after the end of a directive. case "$config_opt" in extra_modules) extra_modules="$extra_modules $config_val" ;; ext[234] | xfs | btrfs | minix | nfs | virtiofs) check_user_configured_target "$config_val" "$config_opt" add_mount "$config_val" "$config_opt" ;; raw) # checking raw disk writable dd if="$config_val" count=1 of=/dev/null > /dev/null 2>&1 || { perror_exit "Bad raw disk $config_val" } _praw=$(persistent_policy="by-id" kdump_get_persistent_dev "$config_val") if [[ -z $_praw ]]; then exit 1 fi add_dracut_arg "--device" "$_praw" check_size raw "$config_val" ;; ssh) if strstr "$config_val" "@"; then mkdir_save_path_ssh "$config_val" check_size ssh "$config_val" add_dracut_sshkey "$SSH_KEY_LOCATION" else perror_exit "Bad ssh dump target $config_val" fi ;; core_collector) verify_core_collector "$config_val" ;; dracut_args) # When users specify nfs dumping via dracut_args, kexec-tools won't # mount nfs fs beforehand thus nfsv4-related drivers won't be installed # because we call dracut with --hostonly-mode strict. So manually install # nfsv4-related drivers. if [[ $(get_dracut_args_fstype "$config_val") == nfs* ]]; then add_dracut_arg "--add-drivers" nfs_layout_nfsv41_files fi while read -r dracut_arg; do add_dracut_arg "$dracut_arg" done <<< "$(echo "$config_val" | xargs -n 1 echo)" ;; *) ;; esac done <<< "$(kdump_read_conf)" handle_default_dump_target if ! have_compression_in_dracut_args; then if is_squash_available && dracut_have_option "--squash-compressor"; then add_dracut_arg "--squash-compressor" "zstd" elif is_zstd_command_available; then add_dracut_arg "--compress" "zstd" fi fi if [[ -n $extra_modules ]]; then add_dracut_arg "--add-drivers" "$extra_modules" fi # TODO: The below check is not needed anymore with the introduction of # 'zz-fadumpinit' module, that isolates fadump's capture kernel initrd, # but still sysroot.mount unit gets generated based on 'root=' kernel # parameter available in fadump case. So, find a way to fix that first # before removing this check. if ! is_fadump_capable; then # The 2nd rootfs mount stays behind the normal dump target mount, # so it doesn't affect the logic of check_dump_fs_modified(). is_dump_to_rootfs && add_mount "$(to_dev_name "$(get_root_fs_device)")" add_dracut_arg "--no-hostonly-default-device" if fips-mode-setup --is-enabled 2> /dev/null; then add_dracut_arg --add-device "$(findmnt -n -o SOURCE --target /boot)" fi fi # This is RHEL-only to work around nvme problem, then real fix should go to dracut if [[ -d /sys/module/nvme ]]; then add_dracut_arg "--add-drivers" "nvme" fi # Use kdump managed dracut profile. [[ $kdump_dracut_confdir ]] || kdump_dracut_confdir=/lib/kdump/dracut.conf.d if [[ "$(dracut --help)" == *--add-confdir* ]] && [[ -d "$kdump_dracut_confdir" ]]; then dracut_args+=("--add-confdir" "$kdump_dracut_confdir") else dracut_args+=(--add kdumpbase) dracut_args+=(--omit "plymouth resume ifcfg earlykdump") fi dracut "${dracut_args[@]}" "$@" _rc=$? sync exit $_rc
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