X7ROOT File Manager
Current Path:
/usr/sbin
usr
/
sbin
/
📁
..
📄
accessdb
(11.55 KB)
📄
addgnupghome
(3.05 KB)
📄
addpart
(19.69 KB)
📄
adduser
(134.39 KB)
📄
agetty
(48.48 KB)
📄
alternatives
(27.61 KB)
📄
anacron
(35.52 KB)
📄
apachectl
(4.31 KB)
📄
applygnupgdefaults
(2.21 KB)
📄
arp
(63.98 KB)
📄
arpd
(52.98 KB)
📄
arping
(23.19 KB)
📄
atd
(27.17 KB)
📄
atrun
(67 B)
📄
audispd
(39.75 KB)
📄
auditctl
(39.56 KB)
📄
auditd
(125.65 KB)
📄
augenrules
(3.7 KB)
📄
aureport
(105.39 KB)
📄
ausearch
(109.8 KB)
📄
authconfig
(43.49 KB)
📄
authconfig-tui
(43.49 KB)
📄
autrace
(15.49 KB)
📄
avcstat
(11.25 KB)
📄
badblocks
(27.69 KB)
📄
biosdecode
(24.15 KB)
📄
blkdeactivate
(15.97 KB)
📄
blkdiscard
(23.84 KB)
📄
blkid
(77.92 KB)
📄
blkmapd
(43.81 KB)
📄
blockdev
(32.2 KB)
📄
bridge
(77.61 KB)
📄
btrfs
(690.59 KB)
📄
btrfs-convert
(378.62 KB)
📄
btrfs-debug-tree
(354.23 KB)
📄
btrfs-find-root
(346.22 KB)
📄
btrfs-image
(374.63 KB)
📄
btrfs-map-logical
(350.27 KB)
📄
btrfs-select-super
(346.2 KB)
📄
btrfs-zero-log
(346.2 KB)
📄
btrfsck
(690.59 KB)
📄
btrfstune
(350.24 KB)
📄
build-locale-archive
(860.52 KB)
📄
cacertdir_rehash
(644 B)
📄
capsh
(19.43 KB)
📄
cbq
(32.73 KB)
📄
cfdisk
(71.37 KB)
📄
chcpu
(23.7 KB)
📄
chgpasswd
(64.1 KB)
📄
chkconfig
(40.22 KB)
📄
chpasswd
(55.88 KB)
📄
chronyd
(263.08 KB)
📄
chroot
(32.48 KB)
📄
clock
(48.44 KB)
📄
clockdiff
(19.04 KB)
📄
consoletype
(6.95 KB)
📄
convertquota
(70.88 KB)
📄
cracklib-check
(7.04 KB)
📄
cracklib-format
(246 B)
📄
cracklib-packer
(11.06 KB)
📄
cracklib-unpacker
(7.02 KB)
📄
create-cracklib-dict
(990 B)
📄
crond
(68.48 KB)
📄
ctrlaltdel
(11.2 KB)
📄
ctstat
(20.09 KB)
📄
ddns-confgen
(19.44 KB)
📄
debugfs
(120.64 KB)
📄
delpart
(19.69 KB)
📄
depmod
(143.24 KB)
📄
devlink
(64.72 KB)
📄
dhclient
(414.34 KB)
📄
dhclient-script
(30.38 KB)
📄
dmfilemapd
(19.16 KB)
📄
dmidecode
(120.2 KB)
📄
dmsetup
(149.2 KB)
📄
dmstats
(149.2 KB)
📄
dnssec-checkds
(922 B)
📄
dnssec-coverage
(924 B)
📄
dnssec-dsfromkey
(56.6 KB)
📄
dnssec-importkey
(52.59 KB)
📄
dnssec-keyfromlabel
(60.52 KB)
📄
dnssec-keygen
(64.55 KB)
📄
dnssec-keymgr
(920 B)
📄
dnssec-revoke
(48.46 KB)
📄
dnssec-settime
(56.52 KB)
📄
dnssec-signzone
(105.71 KB)
📄
dnssec-verify
(48.46 KB)
📄
dovecot
(370.66 KB)
📄
dovecot_cpshutdown
(3.27 KB)
📄
dracut
(55.83 KB)
📄
dumpe2fs
(23.62 KB)
📄
e2freefrag
(11.15 KB)
📄
e2fsck
(250.55 KB)
📄
e2image
(27.85 KB)
📄
e2label
(69.41 KB)
📄
e2undo
(11.32 KB)
📄
e4defrag
(23.55 KB)
📄
eapol_test
(1.77 MB)
📄
edquota
(83.09 KB)
📄
ether-wake
(73.26 KB)
📄
ethtool
(293.87 KB)
📄
exicyclog
(11.01 KB)
📄
exigrep
(10.44 KB)
📄
exim
(1.33 MB)
📄
exim_checkaccess
(4.73 KB)
📄
exim_dbmbuild
(82.09 KB)
📄
exim_dumpdb
(134.47 KB)
📄
exim_fixdb
(168.22 KB)
📄
exim_lock
(64.66 KB)
📄
exim_tidydb
(142.8 KB)
📄
eximstats
(148.01 KB)
📄
exinext
(8.02 KB)
📄
exiqgrep
(5.46 KB)
📄
exiqsumm
(5.07 KB)
📄
exiwhat
(4.32 KB)
📄
exportfs
(76.91 KB)
📄
faillock
(15.02 KB)
📄
fcgistarter
(23.85 KB)
📄
fdformat
(11.27 KB)
📄
fdisk
(195.8 KB)
📄
filefrag
(15.23 KB)
📄
findfs
(11.2 KB)
📄
fixfiles
(11.03 KB)
📄
fsck
(32.12 KB)
📄
fsck.btrfs
(1.16 KB)
📄
fsck.cramfs
(19.57 KB)
📄
fsck.ext2
(250.55 KB)
📄
fsck.ext3
(250.55 KB)
📄
fsck.ext4
(250.55 KB)
📄
fsck.minix
(73.32 KB)
📄
fsck.xfs
(433 B)
📄
fsfreeze
(11.23 KB)
📄
fstrim
(40.59 KB)
📄
fuser
(32.34 KB)
📄
genhomedircon
(23.77 KB)
📄
genhostid
(6.94 KB)
📄
genl
(52.81 KB)
📄
genl-ctrl-list
(11.27 KB)
📄
genrandom
(11.16 KB)
📄
getcap
(11.13 KB)
📄
getenforce
(7.01 KB)
📄
getpcaps
(7.07 KB)
📄
getsebool
(11.13 KB)
📄
glibc_post_upgrade.x86_64
(772.05 KB)
📄
groupadd
(85.65 KB)
📄
groupdel
(77.38 KB)
📄
groupmems
(55.97 KB)
📄
groupmod
(85.66 KB)
📄
grpck
(59.93 KB)
📄
grpconv
(51.73 KB)
📄
grpunconv
(51.73 KB)
📄
grub2-bios-setup
(1.04 MB)
📄
grub2-get-kernel-settings
(2.08 KB)
📄
grub2-install
(1.29 MB)
📄
grub2-macbless
(1.02 MB)
📄
grub2-mkconfig
(7.63 KB)
📄
grub2-ofpathname
(225.5 KB)
📄
grub2-probe
(1.04 MB)
📄
grub2-reboot
(4 KB)
📄
grub2-rpm-sort
(262.53 KB)
📄
grub2-set-default
(3.46 KB)
📄
grub2-setpassword
(2.96 KB)
📄
grub2-sparc64-setup
(1.04 MB)
📄
grubby
(71.27 KB)
📄
gss-server
(23.13 KB)
📄
gssproxy
(130.64 KB)
📄
halt
(704.8 KB)
📄
hardlink
(15.29 KB)
📄
htcacheclean
(78.45 KB)
📄
httpd
(2.31 MB)
📄
hwclock
(48.44 KB)
📄
iconvconfig
(22.15 KB)
📄
iconvconfig.x86_64
(22.15 KB)
📄
ifcfg
(2.99 KB)
📄
ifconfig
(80.05 KB)
📄
ifdown
(1.61 KB)
📄
ifenslave
(19.74 KB)
📄
ifstat
(40.6 KB)
📄
ifup
(4.89 KB)
📄
init
(1.56 MB)
📄
insmod
(143.24 KB)
📄
install-info
(110.42 KB)
📄
installkernel
(2.69 KB)
📄
intel-microcode2ucode
(11.1 KB)
📄
ip
(459.59 KB)
📄
ip6tables
(91.52 KB)
📄
ip6tables-restore
(91.52 KB)
📄
ip6tables-save
(91.52 KB)
📄
ipmaddr
(19.33 KB)
📄
iptables
(91.52 KB)
📄
iptables-restore
(91.52 KB)
📄
iptables-save
(91.52 KB)
📄
iptunnel
(23.33 KB)
📄
irqbalance
(48.5 KB)
📄
isc-hmac-fixup
(11.2 KB)
📄
kexec
(166.06 KB)
📄
key.dns_resolver
(19.45 KB)
📄
killall5
(23.17 KB)
📄
kpartx
(39.47 KB)
📄
lchage
(15.41 KB)
📄
ldattach
(27.93 KB)
📄
ldconfig
(952.08 KB)
📄
lgroupadd
(11.28 KB)
📄
lgroupdel
(11.26 KB)
📄
lgroupmod
(15.44 KB)
📄
lid
(15.4 KB)
📄
lnewusers
(15.46 KB)
📄
lnstat
(20.09 KB)
📄
load_policy
(10.97 KB)
📄
logrotate
(68.61 KB)
📄
logsave
(11.27 KB)
📄
losetup
(82.45 KB)
📄
lpasswd
(15.5 KB)
📄
lshw
(895.18 KB)
📄
lsmod
(143.24 KB)
📄
lsof
(150.57 KB)
📄
luseradd
(15.38 KB)
📄
luserdel
(11.3 KB)
📄
lusermod
(19.43 KB)
📄
lwresd
(768.04 KB)
📄
makedumpfile
(376.52 KB)
📄
matchpathcon
(11.19 KB)
📄
mii-diag
(20.08 KB)
📄
mii-tool
(19.51 KB)
📄
mkdict
(246 B)
📄
mkdumprd
(13.99 KB)
📄
mke2fs
(94.08 KB)
📄
mkfs
(11.25 KB)
📄
mkfs.btrfs
(366.45 KB)
📄
mkfs.cramfs
(36.16 KB)
📄
mkfs.ext2
(94.08 KB)
📄
mkfs.ext3
(94.08 KB)
📄
mkfs.ext4
(94.08 KB)
📄
mkfs.minix
(36.27 KB)
📄
mkfs.xfs
(359.8 KB)
📄
mkhomedir_helper
(19.05 KB)
📄
mklost+found
(11.11 KB)
📄
mkswap
(69.64 KB)
📄
modinfo
(143.24 KB)
📄
modprobe
(143.24 KB)
📄
modsec-sdbm-util
(22.17 KB)
📄
mount.nfs
(114.68 KB)
📄
mount.nfs4
(114.68 KB)
📄
mountstats
(40.59 KB)
📄
mysqld
(244.14 MB)
📄
mysqld-debug
(165.52 MB)
📄
named
(768.04 KB)
📄
named-checkconf
(32.25 KB)
📄
named-checkzone
(32.06 KB)
📄
named-compilezone
(32.06 KB)
📄
named-journalprint
(11.13 KB)
📄
nameif
(15.32 KB)
📄
netreport
(10.96 KB)
📄
new-kernel-pkg
(24.96 KB)
📄
newusers
(93.45 KB)
📄
nfsdcltrack
(40.11 KB)
📄
nfsidmap
(19.32 KB)
📄
nfsiostat
(23.64 KB)
📄
nfsstat
(29.84 KB)
📄
nl-class-add
(11.7 KB)
📄
nl-class-delete
(11.55 KB)
📄
nl-class-list
(11.48 KB)
📄
nl-classid-lookup
(11.29 KB)
📄
nl-cls-add
(11.76 KB)
📄
nl-cls-delete
(11.68 KB)
📄
nl-cls-list
(11.58 KB)
📄
nl-link-list
(11.52 KB)
📄
nl-pktloc-lookup
(11.36 KB)
📄
nl-qdisc-add
(11.6 KB)
📄
nl-qdisc-delete
(11.54 KB)
📄
nl-qdisc-list
(11.63 KB)
📄
nologin
(7.01 KB)
📄
nscd
(180.02 KB)
📄
nsec3hash
(11.13 KB)
📄
nstat
(23.88 KB)
📄
osd_login
(2.55 KB)
📄
ownership
(15.04 KB)
📄
packer
(11.06 KB)
📄
pam_console_apply
(39.69 KB)
📄
pam_tally2
(15.05 KB)
📄
pam_timestamp_check
(10.97 KB)
📄
paperconfig
(4.07 KB)
📄
parted
(77.22 KB)
📄
partprobe
(11.23 KB)
📄
partx
(86.55 KB)
📄
pdns_server
(98.68 MB)
📄
pidof
(23.17 KB)
📄
ping6
(64.63 KB)
📄
pivot_root
(11.19 KB)
📄
plipconfig
(11.06 KB)
📄
poweroff
(704.8 KB)
📄
ppp-watch
(23.2 KB)
📄
pwck
(51.71 KB)
📄
pwconv
(47.57 KB)
📄
pwhistory_helper
(15.44 KB)
📄
pwunconv
(47.59 KB)
📄
quot
(70.66 KB)
📄
quotacheck
(107.29 KB)
📄
quotaoff
(75.03 KB)
📄
quotaon
(75.03 KB)
📄
quotastats
(14.03 KB)
📄
rdisc
(23.17 KB)
📄
rdma
(73.42 KB)
📄
readprofile
(15.46 KB)
📄
reboot
(704.8 KB)
📄
repquota
(75.16 KB)
📄
request-key
(19.41 KB)
📄
resize2fs
(48.41 KB)
📄
resizepart
(32.36 KB)
📄
restorecon
(27.16 KB)
📄
rmmod
(143.24 KB)
📄
rndc
(35.88 KB)
📄
rndc-confgen
(19.44 KB)
📄
rotatelogs
(53 KB)
📄
route
(66.6 KB)
📄
routef
(173 B)
📄
routel
(1.59 KB)
📄
rpc.gssd
(88.73 KB)
📄
rpc.idmapd
(48.13 KB)
📄
rpc.mountd
(128.91 KB)
📄
rpc.nfsd
(40.2 KB)
📄
rpc.rquotad
(78.95 KB)
📄
rpc.statd
(97.59 KB)
📄
rpcbind
(60.07 KB)
📄
rpcdebug
(18.05 KB)
📄
rpcinfo
(27.3 KB)
📄
rsyslogd
(648.45 KB)
📄
rtacct
(41.93 KB)
📄
rtcwake
(31.96 KB)
📄
rtmon
(48.67 KB)
📄
rtpr
(37 B)
📄
rtstat
(20.09 KB)
📄
runlevel
(704.8 KB)
📄
runq
(1.33 MB)
📄
runuser
(32.21 KB)
📄
safe_finger
(11.08 KB)
📄
sasldblistusers2
(19.26 KB)
📄
saslpasswd2
(15.09 KB)
📄
sefcontext_compile
(60.53 KB)
📄
selabel_digest
(11.17 KB)
📄
selabel_lookup
(11.14 KB)
📄
selabel_lookup_best_match
(11.16 KB)
📄
selabel_partial_match
(11.09 KB)
📄
selinux_restorecon
(15.21 KB)
📄
selinuxconlist
(11.1 KB)
📄
selinuxdefcon
(11.12 KB)
📄
selinuxenabled
(6.98 KB)
📄
selinuxexeccon
(7.09 KB)
📄
semanage
(42.76 KB)
📄
semodule
(23.77 KB)
📄
sendmail
(13.48 KB)
📄
service
(3.17 KB)
📄
sestatus
(15.02 KB)
📄
setcap
(11.13 KB)
📄
setenforce
(7.05 KB)
📄
setfiles
(27.16 KB)
📄
setquota
(83.16 KB)
📄
setsebool
(14.99 KB)
📄
sfdisk
(83.25 KB)
📄
showmount
(19.56 KB)
📄
shutdown
(704.8 KB)
📄
sim_server
(10.97 KB)
📄
slattach
(42.4 KB)
📄
sln
(743.78 KB)
📄
sm-notify
(68.43 KB)
📄
smartctl
(864.48 KB)
📄
smartd
(670.63 KB)
📄
ss
(128.44 KB)
📄
sshd
(836.88 KB)
📄
sshd-keygen
(3.53 KB)
📄
start-statd
(842 B)
📄
suexec
(43.3 KB)
📄
sulogin
(40.53 KB)
📄
sushell
(67 B)
📄
swaplabel
(15.31 KB)
📄
swapoff
(15.53 KB)
📄
swapon
(53.29 KB)
📄
switch_root
(15.35 KB)
📄
sys-unconfig
(184 B)
📄
sysctl
(23.57 KB)
📄
tc
(384.66 KB)
📄
tcpd
(36.62 KB)
📄
tcpdmatch
(40.83 KB)
📄
telinit
(704.8 KB)
📄
tracepath
(15.05 KB)
📄
tracepath6
(15.05 KB)
📄
try-from
(23.47 KB)
📄
tsig-keygen
(19.44 KB)
📄
tune2fs
(69.41 KB)
📄
tuned
(3.29 KB)
📄
tuned-adm
(5.22 KB)
📄
udevadm
(414.27 KB)
📄
umount.nfs
(114.68 KB)
📄
umount.nfs4
(114.68 KB)
📄
unix_chkpwd
(35.42 KB)
📄
unix_update
(35.42 KB)
📄
update-alternatives
(27.61 KB)
📄
update-smart-drivedb
(14.34 KB)
📄
useradd
(134.39 KB)
📄
userdel
(93.5 KB)
📄
usermod
(130.33 KB)
📄
usernetctl
(11.03 KB)
📄
uuserver
(14.97 KB)
📄
vigr
(62.54 KB)
📄
vipw
(62.54 KB)
📄
virt-what
(11.57 KB)
📄
visudo
(200.91 KB)
📄
vmcore-dmesg
(19.28 KB)
📄
vpddecode
(15.33 KB)
📄
weak-modules
(31.9 KB)
📄
whmapi0
(3.02 MB)
📄
whmapi1
(3.02 MB)
📄
whmlogin
(2.33 KB)
📄
wipefs
(28.05 KB)
📄
wpa_cli
(128.06 KB)
📄
wpa_passphrase
(56.79 KB)
📄
wpa_supplicant
(1.93 MB)
📄
xfs_admin
(1.35 KB)
📄
xfs_bmap
(638 B)
📄
xfs_copy
(339.33 KB)
📄
xfs_db
(576.38 KB)
📄
xfs_estimate
(11.16 KB)
📄
xfs_freeze
(767 B)
📄
xfs_fsr
(31.83 KB)
📄
xfs_growfs
(327.2 KB)
📄
xfs_info
(472 B)
📄
xfs_io
(122.68 KB)
📄
xfs_logprint
(355.81 KB)
📄
xfs_mdrestore
(314.81 KB)
📄
xfs_metadump
(747 B)
📄
xfs_mkfile
(1007 B)
📄
xfs_ncheck
(650 B)
📄
xfs_quota
(84.88 KB)
📄
xfs_repair
(563.2 KB)
📄
xfs_rtcp
(15.25 KB)
📄
xqmstats
(14.03 KB)
📄
xtables-multi
(91.52 KB)
📄
yum-complete-transaction
(9.22 KB)
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yumdb
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zdump
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zramctl
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Editing: mkdumprd
#!/bin/bash --norc # New mkdumprd # # Copyright 2011 Red Hat, Inc. # # Written by Cong Wang <amwang@redhat.com> # . /lib/kdump/kdump-lib.sh export IN_KDUMP=1 conf_file="/etc/kdump.conf" SSH_KEY_LOCATION="/root/.ssh/kdump_id_rsa" SAVE_PATH=$(grep ^path $conf_file| cut -d' ' -f2) [ -z "$SAVE_PATH" ] && SAVE_PATH=$DEFAULT_PATH # strip the duplicated "/" SAVE_PATH=$(echo $SAVE_PATH | tr -s /) is_wdt_addition_needed() { local active is_wdt_mod_omitted [[ $? -eq 0 ]] && return 1 [[ -d /sys/class/watchdog/ ]] || return 1 for dir in /sys/class/watchdog/*; do [[ -f "$dir/state" ]] || continue active=$(< "$dir/state") [[ "$active" = "active" ]] && return 0 done return 1 } WDTCFG="" is_wdt_addition_needed [[ $? -eq 0 ]] && WDTCFG="-a watchdog" extra_modules="" if has_hpwdt; then extra_modules=hpwdt fi dracut_args=("--quiet" "--hostonly" "--hostonly-cmdline" "--hostonly-i18n" "--hostonly-mode" "strict" "-o" "plymouth dash resume ifcfg" $WDTCFG) OVERRIDE_RESETTABLE=0 add_dracut_arg() { local arg qarg is_quoted=0 while [ $# -gt 0 ]; do arg="${1//\'/\"}" #Handle quoted substring properly for passing it to dracut_args array. if [ $is_quoted -eq 0 ]; then if [[ "$arg" == "\"" ]] || [[ $arg != ${arg#\"} ]]; then is_quoted=1 arg=${arg#\"} fi fi if [ $is_quoted -eq 1 ]; then qarg="$qarg $arg" if [[ "$arg" == "\"" ]] || [[ $arg != ${arg%\"} ]]; then is_quoted=0 arg=${qarg%\"} qarg="" else shift continue fi fi dracut_args+=("$arg") shift done } add_dracut_module() { add_dracut_arg "--add" "$1" } add_dracut_mount() { add_dracut_arg "--mount" "$1" } add_dracut_sshkey() { add_dracut_arg "--sshkey" "$1" } # Generic substring function. If $2 is in $1, return 0. strstr() { [[ $1 =~ $2 ]]; } # caller should ensure $1 is valid and mounted in 1st kernel to_mount() { local _dev=$1 _source _target _fstype _options _mntopts _pdev _source=$(findmnt -k -f -n -r -o SOURCE $_dev) _target=$(get_mntpoint_from_target $_dev) # mount under /sysroot if dump to root disk or mount under #/kdumproot/$_target in other cases in 2nd kernel. systemd #will be in charge to umount it. if [ "$_target" = "/" ];then _target="/sysroot" else _target="/kdumproot/$_target" fi _fstype=$(findmnt -k -f -n -r -o FSTYPE $_dev) [[ -e /etc/fstab ]] && _options=$(findmnt --fstab -f -n -r -o OPTIONS $_dev) [ -z "$_options" ] && _options=$(findmnt -k -f -n -r -o OPTIONS $_dev) # mount fs target as rw in 2nd kernel _options=$(echo $_options | sed 's/\(^\|,\)ro\($\|,\)/\1rw\2/g') # with 'noauto' in fstab nfs and non-root disk mount will fail in 2nd # kernel, filter it out here. _options=$(echo $_options | sed 's/\(^\|,\)noauto\($\|,\)/\1/g') # drop nofail or nobootwait _options=$(echo $_options | sed 's/\(^\|,\)nofail\($\|,\)/\1/g') _options=$(echo $_options | sed 's/\(^\|,\)nobootwait\($\|,\)/\1/g') _mntopts="$_target $_fstype $_options" #for non-nfs _dev converting to use udev persistent name if [ -b "$_source" ]; then _pdev="$(kdump_get_persistent_dev $_source $_fstype)" if [ $? -ne 0 ]; then return 1 fi else _pdev=$_dev fi echo "$_pdev $_mntopts" } is_readonly_mount() { local _mnt _mnt=$(findmnt -k -f -n -r -o OPTIONS $1) #fs/proc_namespace.c: show_mountinfo(): #seq_puts(m, mnt->mnt_flags & MNT_READONLY ? " ro" : " rw"); [[ "$_mnt" =~ ^ro ]] } #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 _opt _out _size _opt="-i $SSH_KEY_LOCATION -o BatchMode=yes -o StrictHostKeyChecking=yes" _out=$(ssh -q -n $_opt $1 "df -P $SAVE_PATH") [ $? -ne 0 ] && { perror_exit "checking remote ssh server available size failed." } #ssh output removed the line break, so print field NF-2 _size=$(echo -n $_out| awk '{avail=NF-2; print $avail}') echo -n $_size } #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 $SAVE_PATH 2>&1 > /dev/null _ret=$? if [ $_ret -ne 0 ]; then perror_exit "mkdir failed on $1:$SAVE_PATH" fi #check whether user has write permission on $1:$SAVE_PATH _dir=$(ssh -qn $_opt $1 mktemp -dqp $SAVE_PATH 2>/dev/null) _ret=$? if [ $_ret -ne 0 ]; then perror_exit "Could not create temporary directory on $1:$SAVE_PATH. Make sure user has write permission on destination" fi ssh -qn $_opt $1 rmdir $_dir return 0 } #Function: get_fs_size #$1=dump target get_fs_size() { local _mnt=$(get_mntpoint_from_target $1) echo -n $(df -P "${_mnt}/$SAVE_PATH"|tail -1|awk '{print $4}') } #Function: get_raw_size #$1=dump target get_raw_size() { echo -n $(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 if [ $? -ne 0 ]; then perror_exit "Check dump target size failed" fi if [ $avail -lt $memtotal ]; then echo "Warning: There might not be enough space to save a vmcore." echo " The size of $2 should be greater than $memtotal kilo bytes." fi } # $1: core_collector config value verify_core_collector() { if grep -q "^raw" $conf_file && [ "${1%% *}" != "makedumpfile" ]; then echo "Warning: specifying a non-makedumpfile core collector, you will have to recover the vmcore manually." fi if is_ssh_dump_target || is_raw_dump_target; then if [ "${1%% *}" = "makedumpfile" ]; then ! strstr "$1" "-F" && { perror_exit "The specified dump target needs makedumpfile \"-F\" option." } fi fi } add_mount() { local _mnt=$(to_mount "$1") if [ $? -ne 0 ]; then exit 1 fi add_dracut_mount "$_mnt" } # get_maj_min <device> # Prints the major and minor of a device node. # Example: # $ get_maj_min /dev/sda2 # 8:2 get_maj_min() { local _dev _dev=$(stat -L -c '$((0x%t)):$((0x%T))' "$1" 2>/dev/null) _dev=$(eval "echo $_dev") echo $_dev } # ugly workaround for the lvm design # There is no volume group device, # so, there are no slave devices for volume groups. # Logical volumes only have the slave devices they really live on, # but you cannot create the logical volume without the volume group. # And the volume group might be bigger than the devices the LV needs. check_vol_slaves() { local _lv _vg _pv for i in /dev/mapper/*; do _lv=$(get_maj_min $i) if [[ $_lv = $2 ]]; then _vg=$(lvm lvs --noheadings -o vg_name $i 2>/dev/null) # strip space _vg=$(echo $_vg) if [[ $_vg ]]; then for _pv in $(lvm vgs --noheadings -o pv_name "$_vg" 2>/dev/null) do check_block_and_slaves $1 $(get_maj_min $_pv) && return 0 done fi fi done return 1 } # Walk all the slave relationships for a given block device. # Stop when our helper function returns success # $1 = function to call on every found block device # $2 = block device in major:minor format check_block_and_slaves() { local _x [[ -b /dev/block/$2 ]] || return 1 # Not a block device? So sorry. "$1" $2 && return check_vol_slaves "$@" && return 0 if [[ -f /sys/dev/block/$2/../dev ]]; then check_block_and_slaves $1 $(cat "/sys/dev/block/$2/../dev") && return 0 fi [[ -d /sys/dev/block/$2/slaves ]] || return 1 for _x in /sys/dev/block/$2/slaves/*/dev; do [[ -f $_x ]] || continue check_block_and_slaves $1 $(cat "$_x") && return 0 done return 1 } #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 $SAVE_PATH _mntpoint=$(get_mntpoint_from_path $SAVE_PATH) _target=$(get_target_from_path $SAVE_PATH) if is_atomic && is_bind_mount $_mntpoint; then SAVE_PATH=${SAVE_PATH##"$_mntpoint"} # the real dump path in the 2nd kernel, if the mount point is bind mounted. SAVE_PATH=$(get_bind_mount_directory $_mntpoint)/$SAVE_PATH _mntpoint=$(get_mntpoint_from_target $_target) # the absolute path in the 1st kernel SAVE_PATH=$_mntpoint/$SAVE_PATH fi SAVE_PATH=${SAVE_PATH##"$_mntpoint"} add_mount "$_target" check_size fs $_target } get_override_resettable() { local override_resettable override_resettable=$(grep "^override_resettable" $conf_file) if [ -n "$override_resettable" ]; then OVERRIDE_RESETTABLE=$(echo $override_resettable | cut -d' ' -f2) if [ "$OVERRIDE_RESETTABLE" != "0" ] && [ "$OVERRIDE_RESETTABLE" != "1" ];then perror_exit "override_resettable value $OVERRIDE_RESETTABLE is invalid" fi fi } # $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 $1 is unresettable #return false if unresettable. is_unresettable() { local path="/sys/$(udevadm info --query=all --path=/sys/dev/block/$1 | awk '/^P:/ {print $2}' | sed -e 's/\(cciss[0-9]\+\/\).*/\1/g' -e 's/\/block\/.*$//')/resettable" local resettable=1 if [ -f "$path" ] then resettable="$(cat $path)" [ $resettable -eq 0 -a "$OVERRIDE_RESETTABLE" -eq 0 ] && { local device=$(udevadm info --query=all --path=/sys/dev/block/$1 | awk -F= '/DEVNAME/{print $2}') echo "Error: Can not save vmcore because device $device is unresettable" return 0 } fi return 1 } #check if machine is resettable. #return true if resettable check_resettable() { local _ret _target get_override_resettable for_each_block_target is_unresettable _ret=$? [ $_ret -eq 0 ] && return return 1 } # $1: maj:min is_crypt() { local majmin=$1 dev line ID_FS_TYPE="" line=$(udevadm info --query=property --path=/sys/dev/block/$majmin \ | grep "^ID_FS_TYPE") eval "$line" [[ "$ID_FS_TYPE" = "crypto_LUKS" ]] && { dev=$(udevadm info --query=all --path=/sys/dev/block/$majmin | awk -F= '/DEVNAME/{print $2}') echo "Device $dev is encrypted." return 0 } return 1 } check_crypt() { local _ret _target for_each_block_target is_crypt _ret=$? [ $_ret -eq 0 ] && return return 1 } if ! check_resettable; then exit 1 fi if ! check_crypt; then echo "Warning: Encrypted device is in dump path. User will prompted for password during second kernel boot." fi # firstly get right SSH_KEY_LOCATION keyfile=$(awk '/^sshkey/ {print $2}' $conf_file) if [ -f "$keyfile" ]; then # canonicalize the path SSH_KEY_LOCATION=$(/usr/bin/readlink -m $keyfile) fi if [ "$(uname -m)" = "s390x" ]; then add_dracut_module "znet" fi while read 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) if ! findmnt $config_val >/dev/null; then perror_exit "Dump target $config_val is probably not mounted." fi _absolute_save_path=$(make_absolute_save_path $config_val) _mntpoint=$(get_mntpoint_from_path $_absolute_save_path) if is_atomic && is_bind_mount $_mntpoint; then SAVE_PATH=${_absolute_save_path##"$_mntpoint"} # the real dump path in the 2nd kernel, if the mount point is bind mounted. SAVE_PATH=$(get_bind_mount_directory $_mntpoint)/$SAVE_PATH fi add_mount "$config_val" check_save_path_fs $_absolute_save_path check_size fs $config_val ;; raw) #checking raw disk writable dd if=$config_val count=1 of=/dev/null > /dev/null 2>&1 || { perror_exit "Bad raw disk $config_val" } _praw=$(kdump_get_persistent_dev $config_val "raw") if [ $? -ne 0 ]; then exit 1 fi add_dracut_arg "--device" "$_praw" check_size raw $config_val ;; ssh) if strstr "$config_val" "@"; then check_size ssh $config_val mkdir_save_path_ssh $config_val add_dracut_module "ssh-client" add_dracut_sshkey "$SSH_KEY_LOCATION" else perror_exit "Bad ssh dump target $config_val" fi ;; core_collector) verify_core_collector "$config_val" ;; dracut_args) add_dracut_arg $config_val ;; *) ;; esac done <<< "$(read_strip_comments $conf_file)" handle_default_dump_target if [ -n "$extra_modules" ] then add_dracut_arg "--add-drivers" "$extra_modules" fi if ! is_fadump_capable; then # The 2nd rootfs mount stays behind the normal dump target mount, # so it doesn't affect the logic of check_dump_fs_modified(). is_dump_to_rootfs && add_mount "$(to_dev_name $(get_root_fs_device))" add_dracut_arg "--no-hostonly-default-device" fi dracut "${dracut_args[@]}" "$@" _rc=$? sync exit $_rc
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