recuperation de tout les scripts root

du_root

@@ -0,0 +1 @@
+du -hs /{bin,etc,home,lib,lib64,opt,root,sbin,usr,var}|sort -h

iptables/del_rule

@@ -0,0 +1,3 @@
+# check line number of the rule you want to delete with
+iptables -L --line-numbers [-t nat]
+iptables -D $CHAIN $LINE 

iptables/fw_port

@@ -0,0 +1,3 @@
+# input-port destination:port interface
+iptables -t nat -I PREROUTING -p tcp -i $3 --dport $1 -j DNAT --to-destination $2
+#iptables -A FORWARD -p tcp -i $3 -d $2 --dport $1 -m state --state NEW,ESTABLISHED,RELATED -j ACCEPT

iptables/new_iptables

@@ -0,0 +1 @@
+cp iptables iptables.$(date "+%y%m%d-%H:%M")

iptables/restore_iptables

@@ -0,0 +1 @@
+cat /etc/network/iptables | iptables-restore

libvirt/clone_vm.sh

@@ -0,0 +1,25 @@
+#!/bin/bash
+BASE=debian-base
+BASE_VG=vg0
+BASE_ROOTFS=debian-base
+BASE_XML=/root/libvirt/domains/debian-base.xml
+BASE_DEV=/dev/mapper/vg0-rootfs--www
+NEW=merles
+NEW_VG=vg0
+NEW_ROOTFS=rootfs-merles
+NEW_ROOTFS_SZ=15G
+
+DEV=/dev/$NEW_VG/$NEW_ROOTFS
+lvcreate -L $NEW_ROOTFS_SZ -n $NEW_ROOTFS $NEW_VG
+#dd if=$BASE_DEV of=/dev/$NEW_VG/$NEW_ROOTFS bs=4M
+cp $BASE_XML /tmp/${NEW}.xml
+sed -i "s/<name>.*<\/name>/<name>${NEW}<\/name>/" /tmp/${NEW}.xml
+sed -i "s/<title>.*<\/title>/<title>${NEW}<\/title>/" /tmp/${NEW}.xml
+sed -i "s/volume=.devuan-base./volume='${NEW_ROOTFS}'/" /tmp/${NEW}.xml
+vim /tmp/${NEW}.xml
+
+virsh pool-refresh $NEW_VG
+virsh define --validate /tmp/${NEW}.xml
+
+virsh start $NEW
+

libvirt/destroy_domains.sh

@@ -0,0 +1,6 @@
+#!/bin/sh
+# list vnc display ports for all active VM
+virsh list --state-running --name | \
+while read vm; \
+do [ -n "$vm" ] && virsh destroy $vm && echo "Destroyed : $vm"; \
+done | column -t

libvirt/get_unbound_ips

@@ -0,0 +1 @@
+eval $(ssh-agent) && ssh-add ~/.ssh/id_rsa_genautobahn && ssh unbound.freepoteries.fr cat /etc/unbound/unbound.conf | grep "local-data-ptr:" | grep -oE '[1-9\.]{3,}[^"]+'

libvirt/init_domains.sh

@@ -0,0 +1,6 @@
+#!/bin/bash
+while read -r domain;
+do
+  echo "Will start $domain";
+  virsh start $domain && sleep 10;
+done < ../domains_start_order

libvirt/kernel-qemu

@@ -0,0 +1 @@
+../kernel/kernel-qemu-4.19.50-buster

libvirt/list_domdisplay.sh

@@ -0,0 +1,6 @@
+#!/bin/sh
+# list vnc display ports for all active VM
+virsh list --state-running --name | \
+while read vm; \
+do [ -n "$vm" ] && echo -e "$vm\t$(virsh domdisplay $vm)"; \
+done | column -t

libvirt/list_ips.sh

@@ -0,0 +1,12 @@
+#!/bin/bash
+NSLOOKUP="nslookup %s"
+while read -r ip
+do
+  if [ "${1}" == "-d" ];
+  then
+    DN=`nslookup ${ip} | head -1 | cut -d'=' -f2 | sed 's/\.$//'`;
+    echo -e "${ip} ${DN}";
+  else
+    echo -e "${ip}";
+  fi
+done < <(nmap -sn 192.168.42.0/24 2>/dev/null |grep "Nmap scan report"| rev |cut -d" " -f1|sed 's/(\|)//g'|rev |sort -t '.' -n -k 4);

libvirt/list_ram_usage.sh

@@ -0,0 +1,40 @@
+#!/bin/sh
+# list vnc display ports for all active VM
+
+conv()
+{
+  awk '{print $1"/1024"}'|bc
+}
+
+T_CURRENT=0
+T_MAXIMUM=0
+T_UNUSED=0
+T_AVAILABLE=0
+T_USABLE=0
+
+R=`mktemp`
+echo -e "VM # CUR # MAX # UNUS # AVAIL # USA"  > $R
+
+while read vm;
+do 
+  [ -z "$vm" ] && continue
+  MEMSTAT=`virsh domstats --balloon --raw "$vm"`
+  CURRENT=`echo "$MEMSTAT"|grep -oP "(?<=balloon.current=).*"|conv`
+  T_CURRENT=`expr "${CURRENT}" + "${T_CURRENT}"`
+  MAXIMUM=`echo "$MEMSTAT"|grep -oP "(?<=balloon.maximum=).*"|conv`
+  T_MAXIMUM=`expr "${MAXIMUM}" + "${T_MAXIMUM}"`
+  UNUSED=`echo "$MEMSTAT"|grep -oP "(?<=balloon.unused=).*"|conv`
+  T_UNUSED=`expr "${UNUSED}" + "${T_UNUSED}"`
+  AVAILABLE=`echo "$MEMSTAT"|grep -oP "(?<=balloon.available=).*"|conv`
+  T_AVAILABLE=`expr "${AVAILABLE}" + "${T_AVAILABLE}"`
+  USABLE=`echo "$MEMSTAT"|grep -oP "(?<=balloon.usable=).*"|conv`
+  T_USABLE=`expr "${USABLE}" + "${T_USABLE}"`
+  echo -e "$vm # ${CURRENT} # ${MAXIMUM} # ${UNUSED} # ${AVAILABLE} # ${USABLE}" >> $R
+done <<< `virsh list --state-running --name`
+
+R_=`mktemp`
+cat $R|sort -t '#' -k 3 -n > $R_
+
+echo $T_CURRENT
+echo -e "TOTAL # ${T_CURRENT} # ${T_MAXIMUM} # ${T_UNUSED} # ${T_AVAILABLE} # ${T_USABLE}" >> $R_
+cat $R_|column -t

libvirt/net-add_static_lease.sh

@@ -0,0 +1,8 @@
+#!/bin/sh
+# usage : ./net-add_static_lease.sh name 00:00:00:00:00:00 127.0.0.1
+[ "$#" -ne 3 ] && echo "usage : net-add_static_lease.sh name 00:00:00:00:00:00 127.0.0.1" && exit 0;
+
+virsh net-update default add ip-dhcp-host \
+  "<host mac='${2}' \
+   name='${1}' ip='${3}' />" \
+   --live --config

libvirt/net-change_range.sh

@@ -0,0 +1,10 @@
+#!/bin/sh
+# usage : ./net-add_static_lease.sh name 00:00:00:00:00:00 127.0.0.1
+#[ "$#" -ne 3 ] && echo "usage : net-add_static_lease.sh name 00:00:00:00:00:00 127.0.0.1" && exit 0;
+
+virsh net-update default delete ip-dhcp-range \
+  "<range start='192.168.42.10' end='192.168.42.150'/>" \
+   --live --config
+
+cat /etc/network/iptables|iptables-restore
+

libvirt/net-dns_entry.sh

@@ -0,0 +1,23 @@
+#!/bin/bash
+# Usage :
+# ./net-dns_entry.sh [add|del] HOSTNAME IP
+
+NETWORK="default"
+
+CMD=$1
+shift 
+HOSTNAME=$1
+shift 
+IP=$1
+shift 
+
+if [ $CMD == "add" ]
+then
+	virsh net-update --live --config $NETWORK add dns-host "<host ip='${IP}'><hostname>${HOSTNAME}</hostname></host>";
+elif [ $CMD == "del" ]
+then
+	virsh net-update --live --config $NETWORK delete dns-host "<host ip='${IP}'><hostname>${HOSTNAME}</hostname></host>";
+else
+	echo "Command should be 'add' or 'del'" && exit 1;
+fi
+

libvirt/net-edit_static_lease.sh

@@ -0,0 +1,8 @@
+#!/bin/sh
+# usage : ./net-edit_static_lease.sh name 00:00:00:00:00:00 127.0.0.1
+[ "$#" -ne 3 ] && echo "usage : net-add_static_lease.sh name 00:00:00:00:00:00 127.0.0.1" && exit 0;
+
+virsh net-update default modify ip-dhcp-host \
+  "<host mac='${2}' \
+   name='${1}' ip='${3}' />" \
+   --live --config

libvirt/resume_domains.sh

@@ -0,0 +1,6 @@
+#!/bin/sh
+# list vnc display ports for all active VM
+virsh list --state-paused --name | \
+while read vm; \
+do [ -n "$vm" ] && virsh resume $vm && echo "Resumed : $vm"; \
+done | column -t

libvirt/start_domains.sh

@@ -0,0 +1,6 @@
+#!/bin/sh
+# Start all VMs that are in a shutoff state
+virsh list --state-shutoff --name | \
+while read vm; \
+do [ -n "$vm" ] && virsh start $vm && echo "Resumed : $vm"; \
+done | column -t

libvirt/start_rpi.sh

@@ -0,0 +1,7 @@
+qemu-system-arm -kernel kernel-qemu \
+                  -cpu arm1176 \
+                  -m 256 \
+                  -M versatilepb \
+                  -serial stdio \
+                  -append "root=/dev/sda2 panic=1 rootfstype=ext4 rw" \
+                  -drive "file=/tmp/rpi.img,index=0,media=disk,format=raw"

libvirt/suspend_domains.sh

@@ -0,0 +1,6 @@
+#!/bin/sh
+# list vnc display ports for all active VM
+virsh list --state-running --name | \
+while read vm; \
+do [ -n "$vm" ] && virsh suspend $vm && echo "Suspended : $vm"; \
+done | column -t

libvirt/switch_boot_device.sh

@@ -0,0 +1,17 @@
+#!/bin/sh
+# $1 = domain name
+XML_DIR=/etc/libvirt/qemu
+[[ -f "$XML_DIR/$1.xml" ]] && XML="$XML_DIR/$1.xml" || exit 1
+DEV=`grep -o '<boot dev=[^>]*>' "$XML"|cut -d\' -f2`
+SED_CMD=
+case $DEV in
+  'hd')
+    SED_CMD="s/(<boot dev=')($DEV)('\/>)/\1cdrom\3/";;
+  'cdrom')
+    SED_CMD="s/(<boot dev=')($DEV)('\/>)/\1hd\3/";;
+esac
+virsh destroy $1
+sed -E "$SED_CMD" $XML > /tmp/new_xml.xml
+virsh define --file /tmp/new_xml.xml
+virsh start $1
+exit 0

libvirt/virt_install_rpi.sh

@@ -0,0 +1,15 @@
+virt-install \
+  --name rpi \
+  --arch armv6l \
+  --machine versatilepb \
+  --cpu arm1176 \
+  --vcpus 1 \
+  --memory 256 \
+  --import \
+  --disk /tmp/rpi.img,format=raw,bus=virtio \
+  --network user,model=virtio \
+  --video vga \
+  --virt-type qemu \
+  --rng device=/dev/urandom,model=virtio \
+  --boot 'dtb=/root/libvirt/kernel/versatile-pb.dtb,kernel=/root/libvirt/kernel/kernel-qemu-4.19.50-buster,kernel_args=root=/dev/vda2 panic=1' \
+  --events on_reboot=destroy

lvm/create-snapshot-timestamp.sh

@@ -0,0 +1,3 @@
+# create-snapshot.sh vg vol snap size
+SNAPNAME=${2}-$(date "+%Y%m%dT%H%M%S")
+lvcreate --snapshot --name $SNAPNAME --size $3 $1/$2

lvm/create-snapshot.sh

@@ -0,0 +1,2 @@
+# create-snapshot.sh vg vol snap size
+lvcreate --snapshot --name $3 --size $4 $1/$2

lvm/crypt_volume.sh

@@ -0,0 +1 @@
+cryptsetup -s 512 luksFormat /dev/vg0/pics

lvm/lvm-mount

@@ -0,0 +1,35 @@
+#!/bin/sh
+
+exitmsg () {
+  echo $1;
+  exit 1;
+}
+
+LOOP=$(losetup -f)
+LV=$1
+DST=$2
+
+TMPLOOP=/var/run/rsnapshot.loopdevice
+echo $LOOP > $TMPLOOP;
+
+losetup -P $LOOP $1;
+
+NPART=`ls ${LOOP}p* 2> /dev/null | wc -l` || 0
+
+[ -d "$DST" ] || mkdir $DST;
+
+if [[ "$NPART" -eq 0 ]];
+then
+  mount $LV $DST; 
+else
+  I=1
+  while [[ $I -le $NPART ]];
+  do
+    PARTDIR=$DST/part$I;
+    mkdir $PARTDIR || exitmsg "Can't create $PARTDIR";
+    mount $LOOP"p"$I $PARTDIR 2> /dev/null || rmdir $PARTDIR;
+    I=`expr $I + 1`;
+  done;
+fi
+
+exit 0;

lvm/lvm-umount

@@ -0,0 +1,15 @@
+#!/bin/sh
+
+DST=$1
+
+umount $DST/*  2>/dev/null;
+
+if [[ -f /var/run/rsnapshot.loopdevice ]];
+then
+  read LOOP < /var/run/rsnapshot.loopdevice; 
+  losetup -d $LOOP || break;
+  rm -rf $DST/*;
+  rm /var/run/rsnapshot.loopdevice;
+fi;
+umount $DST;
+exit 0;

lvm/lvmmount

@@ -0,0 +1,33 @@
+#!/bin/sh
+
+exitmsg () {
+  echo $1
+  exit 1;
+}
+
+[ "$#" -lt 3 ] && echo 'Usage: lvmmount VGNAME VOLNAME PARTNUM [LOOPDEVICE]' && exit 2
+VG=$1
+vgs -qq $VG > /dev/null 2>&1 || exitmsg "The specified VG ($VG) does not exist"
+
+VOL=$2
+lvs -qq $VG/$VOL > /dev/null 2>&1 || exitmsg "The specified volume ($VOL) does not exist"
+
+PART=$3
+echo $PART | grep -qE "^[[:digit:]]+$" || exitmsg "The specified partition ($PART) must be a number"
+
+DST=${4:-/dev/loop0}
+
+losetup -P $DST /dev/$VG/$VOL || exitmsg "$DST is already used, specify another loop device (or deactivate it with losetup -D $DST"
+if [ ! -e ${DST}p${PART} ]
+then
+  losetup -D $DST
+  exitmsg "The is no partition ${PART} in ${VG}/{$VOL}"
+fi
+
+DSTDIR=/tmp/${VG}_${VOL}_${PART}
+[ -e $DSTDIR ] && exitmsg "The $DSTDIR directory already exists, please check what you are doing"
+
+mkdir -p $DSTDIR
+mount ${DST}p${PART} ${DSTDIR}
+echo "Mounted /dev/${VG}/${VOL} part ${PART} in ${DSTDIR}"
+exit 0

lvm/merge-snapshot.sh

@@ -0,0 +1,3 @@
+# $1 : snapshot name
+# $2 : vg name (vg0 by default=
+lvconvert --merge ${2:-vg0}/$1

lvm/mount-lvm-part.sh

@@ -0,0 +1,7 @@
+#!/bin/bash
+VG=${1:-vg0}
+VOL=${2:-devuan-base}
+PART=${3:-1}
+
+mkdir /tmp/$VOL
+mount -o offset=1048576 /dev/$VG/$VOL /tmp/$VOL

lvm/resize_a_partition

@@ -0,0 +1,11 @@
+lvextend the device rootfs 
+change the boot device of the vm
+restart the vm and connect to it (vnc or whatever)
+fdisk on the device
+delete the partition and recreate it fatter
+write!
+e2fsck -f /dev/wotwotXXX
+resize2fs /dev/wotwotXXX newSize
+destroy the vm
+change the boot device AGAIN to hd
+then start the VM and you're done

lvm/snapmount_zered.sh

@@ -0,0 +1,51 @@
+#!/bin/sh
+
+MOUNTDIR=/media/tmp_snapshot
+loop=/dev/loop1
+
+
+usage() {
+        echo "Usage : $0 start|stop LV_PATH PART_NUMBER"
+}
+
+## @brief mount an lvm snapshot
+# @param $1 lvpath (like /dev/vg0/lv0 )
+# @param $2 partition number
+snap_mount() {
+        # Cleaning old killed mount or failed backup
+        umount $MOUNTDIR/* 2>/dev/null
+        losetup --detach $loop 2>/dev/null
+        # Proc start
+        name=$(basename $1)
+        vgpath=$(dirname $1)
+        snap="${name}-snap"
+        lvcreate --snapshot --size 500M --name $vgpath/$snap $1
+        losetup --partscan $loop $vgpath/$snap
+        part="${loop}p$2"
+        mkdir -v -p $MOUNTDIR/$name 2>/dev/null
+        mount $part $MOUNTDIR/$name
+        #echo $part mounted on $MOUNTDIR/$name
+}
+
+##@brief umount a previously created snapshot and removes it
+snap_umount() {
+        name=$(basename $1)
+        vgpath=$(dirname $1)
+        snap="${name}-snap"
+        umount $MOUNTDIR/$name
+        losetup --detach $loop
+        lvremove -y $vgpath/$snap
+}
+
+case $1 in
+        start)
+                snap_mount $2 $3
+                ;;
+        stop)
+                snap_umount $2 $3
+                ;;
+        *)
+                usage
+                exit 1
+                ;;
+esac