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Linux Stag-Enterprise-Staging-20-04 5.11.0-1019-aws #20~20.04.1-Ubuntu SMP Tue Sep 21 10:40:39 UTC 2021 x86_64
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Name	Type	Size	Permissions	Modified	Actions
..	Parent	-	drwxr-xr-x	2026-06-30 17:18:45	-
arptables-legacy	File	73.12 KB	0755	2019-12-05 09:19:42
btrfs	File	800.09 KB	0755	2020-02-15 15:52:17
btrfstune	File	427.53 KB	0755	2020-02-15 15:52:17
cache_check	File	1.29 MB	0755	2020-02-08 11:20:35
cache_dump	File	1.29 MB	0755	2020-02-08 11:20:35
cache_metadata_size	File	1.29 MB	0755	2020-02-08 11:20:35
cache_repair	File	1.29 MB	0755	2020-02-08 11:20:35
cache_restore	File	1.29 MB	0755	2020-02-08 11:20:35
cache_writeback	File	1.29 MB	0755	2020-02-08 11:20:35
ceph	File	44.61 KB	0755	2026-06-30 16:58:56
dmeventd	File	50.23 KB	0755	2020-02-13 21:21:51
dnsmasq	File	465.06 KB	0755	2026-04-29 18:59:58
ebtables-legacy	File	14.3 KB	0755	2020-02-08 10:58:04
editor	File	1.62 KB	0755	2026-06-30 15:38:49
era_check	File	1.29 MB	0755	2020-02-08 11:20:35
era_dump	File	1.29 MB	0755	2020-02-08 11:20:35
era_invalidate	File	1.29 MB	0755	2020-02-08 11:20:35
era_restore	File	1.29 MB	0755	2020-02-08 11:20:35
fusermount	File	38.23 KB	0755	2020-03-07 11:09:49
genisoimage	File	641.9 KB	0755	2020-02-18 06:56:30
getfattr	File	22.68 KB	0755	2019-09-24 02:17:57
iw	File	262.82 KB	0755	2019-12-08 11:11:08
logrotate	File	82.09 KB	0755	2019-01-21 10:11:39
lvchange	File	2.73 MB	0755	2020-02-13 21:21:51
lvconvert	File	2.73 MB	0755	2020-02-13 21:21:51
lvcreate	File	2.73 MB	0755	2020-02-13 21:21:51
lvdisplay	File	2.73 MB	0755	2020-02-13 21:21:51
lvextend	File	2.73 MB	0755	2020-02-13 21:21:51
lvm	File	2.73 MB	0755	2020-02-13 21:21:51
lvmconfig	File	2.73 MB	0755	2020-02-13 21:21:51
lvmdiskscan	File	2.73 MB	0755	2020-02-13 21:21:51
lvmsadc	File	2.73 MB	0755	2020-02-13 21:21:51
lvmsar	File	2.73 MB	0755	2020-02-13 21:21:51
lvreduce	File	2.73 MB	0755	2020-02-13 21:21:51
lvremove	File	2.73 MB	0755	2020-02-13 21:21:51
lvrename	File	2.73 MB	0755	2020-02-13 21:21:51
lvresize	File	2.73 MB	0755	2020-02-13 21:21:51
lvs	File	2.73 MB	0755	2020-02-13 21:21:51
lvscan	File	2.73 MB	0755	2020-02-13 21:21:51
lxc	File	12.46 MB	0755	2026-06-30 17:18:32
lxc-checkconfig	File	8.12 KB	0755	2026-06-30 15:47:05
lxc-to-lxd	File	18.34 MB	0755	2026-06-30 17:13:34
lxcfs	File	68.3 KB	0755	2026-06-30 17:00:11
lxd	File	26.89 MB	0755	2026-06-30 17:18:32
lxd-agent	File	10 MB	0755	2026-06-30 17:18:33
lxd-benchmark	File	10.28 MB	0755	2026-06-30 17:18:33
lxd-migrate	File	9.88 MB	0755	2026-06-30 17:18:33
lzma	File	78.5 KB	0755	2026-05-28 16:06:31
mkfs.btrfs	File	451.53 KB	0755	2020-02-15 15:52:17
mkfs.xfs	File	370.4 KB	0755	2024-10-17 05:32:23
mkisofs	File	641.9 KB	0755	2020-02-18 06:56:30
nano	File	312.63 KB	0755	2026-06-03 22:51:53
nasm	File	1.9 MB	0755	2026-06-30 15:42:58
nft	File	45.67 KB	0755	2026-06-30 17:15:04
nvidia-container-cli	File	93 B	0755	2026-06-30 17:00:35
nvidia-container-cli.real	File	54.51 KB	0755	2026-06-30 17:01:12
ovs-appctl	File	507.38 KB	0755	2026-06-30 17:02:01
ovs-vsctl	File	3.66 MB	0755	2026-06-30 17:02:02
ovs-vswitchd	File	4.73 MB	0755	2026-06-30 17:02:02
ovsdb-client	File	1.04 MB	0755	2026-06-30 17:02:02
ovsdb-server	File	1.04 MB	0755	2026-06-30 17:02:02
ovsdb-tool	File	999.92 KB	0755	2026-06-30 17:02:02
pdata_tools	File	1.29 MB	0755	2020-02-08 11:20:35
pigz	File	114.2 KB	0755	2017-12-27 19:41:06
pvchange	File	2.73 MB	0755	2020-02-13 21:21:51
pvck	File	2.73 MB	0755	2020-02-13 21:21:51
pvcreate	File	2.73 MB	0755	2020-02-13 21:21:51
pvdisplay	File	2.73 MB	0755	2020-02-13 21:21:51
pvmove	File	2.73 MB	0755	2020-02-13 21:21:51
pvremove	File	2.73 MB	0755	2020-02-13 21:21:51
pvresize	File	2.73 MB	0755	2020-02-13 21:21:51
pvs	File	2.73 MB	0755	2020-02-13 21:21:51
pvscan	File	2.73 MB	0755	2020-02-13 21:21:51
pzstd	File	682.46 KB	0755	2021-03-03 15:47:34
qemu-img	File	13.7 MB	0755	2026-06-30 16:56:41
qemu-system-x86_64	File	81.25 MB	0755	2026-06-30 16:57:19
rbd	File	2.84 MB	0755	2026-02-08 20:51:22
remote-viewer	File	1.44 KB	0755	2026-06-30 15:38:49
rsync	File	516.77 KB	0755	2026-06-11 16:30:13
setfacl	File	38.84 KB	0755	2020-03-01 01:06:51
setfattr	File	18.45 KB	0755	2019-09-24 02:17:57
setup-shmounts	File	21.86 KB	0755	2026-06-30 17:02:07
sgdisk	File	190.48 KB	0755	2020-02-20 09:44:58
snap-query	File	4.48 MB	0755	2026-06-30 17:18:33
sqfs2tar	File	60.86 KB	0755	2026-06-30 17:02:35
sqlite3	File	7.91 MB	0755	2026-06-30 15:42:13
tar2sqfs	File	92.27 KB	0755	2026-06-30 17:02:35
thin_check	File	1.29 MB	0755	2020-02-08 11:20:35
thin_delta	File	1.29 MB	0755	2020-02-08 11:20:35
thin_dump	File	1.29 MB	0755	2020-02-08 11:20:35
thin_ls	File	1.29 MB	0755	2020-02-08 11:20:35
thin_metadata_size	File	1.29 MB	0755	2020-02-08 11:20:35
thin_repair	File	1.29 MB	0755	2020-02-08 11:20:35
thin_restore	File	1.29 MB	0755	2020-02-08 11:20:35
thin_rmap	File	1.29 MB	0755	2020-02-08 11:20:35
thin_trim	File	1.29 MB	0755	2020-02-08 11:20:35
unsquashfs	File	112.12 KB	0755	2021-10-12 00:36:41
upgrade-bridge	File	4.93 KB	0755	2026-06-30 17:14:44
uuidgen	File	14.23 KB	0755	2026-03-06 16:20:35
vgcfgbackup	File	2.73 MB	0755	2020-02-13 21:21:51
vgcfgrestore	File	2.73 MB	0755	2020-02-13 21:21:51
vgchange	File	2.73 MB	0755	2020-02-13 21:21:51
vgck	File	2.73 MB	0755	2020-02-13 21:21:51
vgconvert	File	2.73 MB	0755	2020-02-13 21:21:51
vgcreate	File	2.73 MB	0755	2020-02-13 21:21:51
vgdisplay	File	2.73 MB	0755	2020-02-13 21:21:51
vgexport	File	2.73 MB	0755	2020-02-13 21:21:51
vgextend	File	2.73 MB	0755	2020-02-13 21:21:51
vgimport	File	2.73 MB	0755	2020-02-13 21:21:51
vgmerge	File	2.73 MB	0755	2020-02-13 21:21:51
vgmknodes	File	2.73 MB	0755	2020-02-13 21:21:51
vgreduce	File	2.73 MB	0755	2020-02-13 21:21:51
vgremove	File	2.73 MB	0755	2020-02-13 21:21:51
vgrename	File	2.73 MB	0755	2020-02-13 21:21:51
vgs	File	2.73 MB	0755	2020-02-13 21:21:51
vgscan	File	2.73 MB	0755	2020-02-13 21:21:51
vgsplit	File	2.73 MB	0755	2020-02-13 21:21:51
vim.tiny	File	1.29 MB	0755	2026-06-15 22:20:13
virtfs-proxy-helper	File	3.43 MB	0755	2026-06-30 16:55:18
virtiofsd	File	4.12 MB	0755	2026-06-30 16:57:19
xdelta3	File	150.3 KB	0755	2016-12-06 02:04:51
xfs_admin	File	1.38 KB	0755	2024-10-17 05:32:23
xfs_db	File	624.25 KB	0755	2024-10-17 05:32:23
xfs_growfs	File	38.3 KB	0755	2024-10-17 05:32:23
xfs_repair	File	567.3 KB	0755	2024-10-17 05:32:23
xz	File	78.5 KB	0755	2026-05-28 16:06:31
zstd	File	790.59 KB	0755	2021-03-03 15:47:34

#!/bin/sh
# SPDX-License-Identifier: LGPL-2.1+

# Allow environment variables to override config
: ${CONFIG:=/proc/config.gz}
: ${MODNAME:=configs}

CAT="cat"

if [ -t 1 ]; then
    SETCOLOR_SUCCESS="printf \\033[1;32m"
    SETCOLOR_FAILURE="printf \\033[1;31m"
    SETCOLOR_WARNING="printf \\033[1;33m"
    SETCOLOR_NORMAL="printf \\033[0;39m"
else
    SETCOLOR_SUCCESS=":"
    SETCOLOR_FAILURE=":"
    SETCOLOR_WARNING=":"
    SETCOLOR_NORMAL=":"
fi

is_set() {
    $CAT $CONFIG | grep "$1=[y|m]" > /dev/null
    return $?
}

show_enabled() {
    RES=$1
    RET=1
    if [ $RES -eq 0 ]; then
        $SETCOLOR_SUCCESS && echo -n "enabled" && $SETCOLOR_NORMAL
        RET=0
    else
        if [ ! -z "$mandatory" ] && [ "$mandatory" = yes ]; then
            $SETCOLOR_FAILURE && echo -n "required" && $SETCOLOR_NORMAL
        else
            $SETCOLOR_WARNING && echo -n "missing" && $SETCOLOR_NORMAL
        fi
    fi
    return $RET
}

is_enabled() {
    mandatory=$2

is_set $1
    show_enabled $?
}

has_cgroup_ns() {
    mandatory=no

if [ -f "/proc/self/ns/cgroup" ]; then
	    show_enabled 0
    else
	    show_enabled 1
    fi
}

is_probed() {
    lsmod | grep $1 > /dev/null
    if [ $? -eq 0 ]; then
        echo -n ", loaded"
    else
        echo -n ", not loaded"
    fi
}

echo "LXC version $(lxc-start --version)"

if [ ! -f $CONFIG ]; then
    echo "Kernel configuration not found at $CONFIG; searching..."
    KVER="$(uname -r)"
    HEADERS_CONFIG="/lib/modules/$KVER/build/.config"
    BOOT_CONFIG="/boot/config-$KVER"
    [ -f "${HEADERS_CONFIG}" ] && CONFIG=${HEADERS_CONFIG}
    [ -f "${BOOT_CONFIG}" ] && CONFIG=${BOOT_CONFIG}
    if [ ! -f "$CONFIG" ]; then
        MODULEFILE=$(modinfo -k $KVER -n $MODNAME 2> /dev/null)
        # don't want to modprobe, so give user a hint
        # although scripts/extract-ikconfig could be used to extract contents without loading kernel module
        # http://svn.pld-linux.org/trac/svn/browser/geninitrd/trunk/geninitrd?rev=12696#L327
    fi
    if [ ! -f $CONFIG ]; then
        echo "$(basename $0): unable to retrieve kernel configuration" >&2
        echo >&2
        if [ -f "$MODULEFILE" ]; then
            echo "Try modprobe $MODNAME module, or" >&2
        fi
        echo "Try recompiling with IKCONFIG_PROC, installing the kernel headers," >&2
        echo "or specifying the kernel configuration path with:" >&2
        echo "  CONFIG=<path> $(basename $0)" >&2
        exit 1
    else
        echo "Kernel configuration found at $CONFIG"
    fi
fi

if gunzip -tq < $CONFIG 2>/dev/null; then
    CAT="zcat"
fi

KVER_MAJOR=$($CAT $CONFIG | grep '^# Linux.*Kernel Configuration' | \
    sed -r 's/.* ([0-9])\.[0-9]{1,2}\.[0-9]{1,3}.*/\1/')
if [ "$KVER_MAJOR" = "2" ]; then
KVER_MINOR=$($CAT $CONFIG | grep '^# Linux.*Kernel Configuration' | \
    sed -r 's/.* 2.6.([0-9]{2}).*/\1/')
else
KVER_MINOR=$($CAT $CONFIG | grep '^# Linux.*Kernel Configuration' | \
    sed -r 's/.* [0-9]\.([0-9]{1,3})\.[0-9]{1,3}.*/\1/')
fi

if [ -z "${KVER_MAJOR}" ]; then
    echo "WARNING: Unable to detect version from configuration, assuming latest"
    echo ""
    KVER_MAJOR="100"
    KVER_MINOR="0"
fi

echo "--- Namespaces ---"
echo -n "Namespaces: " && is_enabled CONFIG_NAMESPACES yes
echo
echo -n "Utsname namespace: " && is_enabled CONFIG_UTS_NS
echo
echo -n "Ipc namespace: " && is_enabled CONFIG_IPC_NS yes
echo
echo -n "Pid namespace: " && is_enabled CONFIG_PID_NS yes
echo
echo -n "User namespace: " && is_enabled CONFIG_USER_NS
echo
if is_set CONFIG_USER_NS; then
	if command -v newuidmap >/dev/null 2>&1; then
		f=$(command -v newuidmap)
		if [ ! -u "${f}" ]; then
			echo "Warning: newuidmap is not setuid-root"
		fi
	else
		echo "newuidmap is not installed"
	fi
	if command -v newgidmap >/dev/null 2>&1; then
		f=$(command -v newgidmap)
		if [ ! -u "${f}" ]; then
			echo "Warning: newgidmap is not setuid-root"
		fi
	else
		echo "newgidmap is not installed"
	fi
fi
echo -n "Network namespace: " && is_enabled CONFIG_NET_NS
echo
if ([ $KVER_MAJOR -lt 4 ]) || ([ $KVER_MAJOR -eq 4 ] && [ $KVER_MINOR -lt 7 ]); then
	echo -n "Multiple /dev/pts instances: " && is_enabled DEVPTS_MULTIPLE_INSTANCES
	echo
fi
echo

echo "--- Control groups ---"

echo -n "Cgroups: " && is_enabled CONFIG_CGROUPS
echo

echo -n "Cgroup namespace: " && has_cgroup_ns
echo

print_cgroups() {
  # print all mountpoints for cgroup filesystems
  awk '$1 !~ /#/ && $3 == mp { print $2; } ; END { exit(0); } '  "mp=$1" "$2" ;
}

CGROUP_V1_MNTS=$(print_cgroups cgroup /proc/self/mounts)
echo
echo "Cgroup v1 mount points: "
echo "$CGROUP_V1_MNTS"
echo

CGROUP_V2_MNTS=$(print_cgroups cgroup2 /proc/self/mounts)
echo "Cgroup v2 mount points: "
echo "$CGROUP_V2_MNTS"
echo

CGROUP_SYSTEMD_MNTPT=$(echo "$CGROUP_V1_MNTS" | grep "/systemd")
if [ -z "$CGROUP_SYSTEMD_MNTPT" ]; then
    echo -n "Cgroup v1 systemd controller: "
    $SETCOLOR_FAILURE && echo -n "missing" && $SETCOLOR_NORMAL
    echo
fi

CGROUP_FREEZER_MNTPT=$(echo "$CGROUP_V1_MNTS" | grep "/freezer")
if [ -z "$CGROUP_FREEZER_MNTPT" ]; then
    echo -n "Cgroup v1 freezer controller: "
    $SETCOLOR_FAILURE && echo -n "missing" && $SETCOLOR_NORMAL
    echo
fi

CGROUP_MNT_PATH=$(echo "$CGROUP_V1_MNTS" | head -n 1)
if [ -f $CGROUP_MNT_PATH/cgroup.clone_children ]; then
    echo -n "Cgroup v1 clone_children flag: " &&
    $SETCOLOR_SUCCESS && echo "enabled" && $SETCOLOR_NORMAL
else
    echo -n "Cgroup ns_cgroup: " && is_enabled CONFIG_CGROUP_NS yes
    echo
fi

echo -n "Cgroup device: " && is_enabled CONFIG_CGROUP_DEVICE
echo

echo -n "Cgroup sched: " && is_enabled CONFIG_CGROUP_SCHED
echo

echo -n "Cgroup cpu account: " && is_enabled CONFIG_CGROUP_CPUACCT
echo

echo -n "Cgroup memory controller: "
if ([ $KVER_MAJOR -ge 3 ] && [ $KVER_MINOR -ge 6 ]) || ([ $KVER_MAJOR -gt 3 ]); then
    is_enabled CONFIG_MEMCG
else
    is_enabled CONFIG_CGROUP_MEM_RES_CTLR
fi
echo

is_set CONFIG_SMP && echo -n "Cgroup cpuset: " && is_enabled CONFIG_CPUSETS && echo
echo

echo "--- Misc ---"
echo -n "Veth pair device: " && is_enabled CONFIG_VETH && is_probed veth
echo
echo -n "Macvlan: " && is_enabled CONFIG_MACVLAN && is_probed macvlan
echo
echo -n "Vlan: " && is_enabled CONFIG_VLAN_8021Q && is_probed 8021q
echo
echo -n "Bridges: " && is_enabled CONFIG_BRIDGE && is_probed bridge
echo
echo -n "Advanced netfilter: " && is_enabled CONFIG_NETFILTER_ADVANCED && is_probed nf_tables
if ( [ $KVER_MAJOR -gt 3 ] && [ $KVER_MINOR -gt 6 ] ) && [ $KVER_MAJOR -lt 5 ] ; then
	echo
	echo -n "CONFIG_NF_NAT_IPV4: " && is_enabled CONFIG_NF_NAT_IPV4 && is_probed nf_nat_ipv4
	echo
	echo -n "CONFIG_NF_NAT_IPV6: " && is_enabled CONFIG_NF_NAT_IPV6 && is_probed nf_nat_ipv6
fi
echo
echo -n "CONFIG_IP_NF_TARGET_MASQUERADE: " && is_enabled CONFIG_IP_NF_TARGET_MASQUERADE && is_probed nf_nat_masquerade_ipv4
echo
echo -n "CONFIG_IP6_NF_TARGET_MASQUERADE: " && is_enabled CONFIG_IP6_NF_TARGET_MASQUERADE && is_probed nf_nat_masquerade_ipv6
echo
echo -n "CONFIG_NETFILTER_XT_TARGET_CHECKSUM: " && is_enabled CONFIG_NETFILTER_XT_TARGET_CHECKSUM && is_probed xt_CHECKSUM
echo
echo -n "CONFIG_NETFILTER_XT_MATCH_COMMENT: " && is_enabled CONFIG_NETFILTER_XT_MATCH_COMMENT && is_probed xt_comment
echo
echo -n "FUSE (for use with lxcfs): " && is_enabled CONFIG_FUSE_FS && is_probed fuse
echo

echo
echo "--- Checkpoint/Restore ---"
echo -n "checkpoint restore: " && is_enabled CONFIG_CHECKPOINT_RESTORE
echo
echo -n "CONFIG_FHANDLE: " && is_enabled CONFIG_FHANDLE
echo
echo -n "CONFIG_EVENTFD: " && is_enabled CONFIG_EVENTFD
echo
echo -n "CONFIG_EPOLL: " && is_enabled CONFIG_EPOLL
echo
echo -n "CONFIG_UNIX_DIAG: " && is_enabled CONFIG_UNIX_DIAG
echo
echo -n "CONFIG_INET_DIAG: " && is_enabled CONFIG_INET_DIAG
echo
echo -n "CONFIG_PACKET_DIAG: " && is_enabled CONFIG_PACKET_DIAG
echo
echo -n "CONFIG_NETLINK_DIAG: " && is_enabled CONFIG_NETLINK_DIAG
echo
echo -n "File capabilities: " && \
    ( [ "${KVER_MAJOR}" = 2 ] && [ ${KVER_MINOR} -lt 33 ] && \
       is_enabled CONFIG_SECURITY_FILE_CAPABILITIES; echo ) || \
    ( ( [ "${KVER_MAJOR}" = "2" ] && [ ${KVER_MINOR} -gt 32 ] ) || \
         [ ${KVER_MAJOR} -gt 2 ] && $SETCOLOR_SUCCESS && \
         echo "enabled" && $SETCOLOR_NORMAL )

echo
echo "Note : Before booting a new kernel, you can check its configuration"
echo "usage : CONFIG=/path/to/config $0"
echo

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