mirror of
https://git.libreschool.org/paspo/brasatore.git
synced 2024-11-25 07:38:45 +00:00
202 lines
6.1 KiB
Bash
202 lines
6.1 KiB
Bash
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#!/bin/bash
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LAN_IFACE=ens224
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WAN_IFACE=ens192
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HOSTNAME=brasatore
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DHCP_START=172.16.77.50
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DHCP_END=172.16.77.150
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LAN_IP=172.16.77.1
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LAN_SUBNET=255.255.255.0
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# pacchetti
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cat >/etc/apt/sources.list <<EOF
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deb http://deb.debian.org/debian bookworm main contrib non-free non-free-firmware
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deb http://deb.debian.org/debian-security bookworm-security main contrib non-free non-free-firmware
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deb http://deb.debian.org/debian bookworm-updates main contrib non-free non-free-firmware
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EOF
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apt update
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apt install -y dnsmasq nginx iptables ipxe syslinux-common unzip nfs-kernel-server
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# directory
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mkdir -p /srv/pxe/iso /srv/pxe/mount /srv/tftp
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# nginx config
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cat > /etc/nginx/sites-available/pxe <<EOF
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server {
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listen 80 default_server;
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listen [::]:80 default_server;
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root /srv/pxe;
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location / {
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autoindex on;
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}
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}
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EOF
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[ -f /etc/nginx/sites-enabled/default ] && rm /etc/nginx/sites-enabled/default
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[ ! -f /etc/nginx/sites-enabled/pxe ] && ln -s /etc/nginx/sites-available/pxe /etc/nginx/sites-enabled/pxe
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service nginx restart
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# hostname
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echo "$HOSTNAME" > /etc/hostname
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hostname -F /etc/hostname
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cat > /etc/hosts <<EOF
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127.0.0.1 localhost
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127.0.1.1 $HOSTNAME
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# The following lines are desirable for IPv6 capable hosts
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::1 localhost ip6-localhost ip6-loopback
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ff02::1 ip6-allnodes
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ff02::2 ip6-allrouters
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EOF
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# network
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cat > /etc/network/interfaces.d/lan <<EOF
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auto $LAN_IFACE
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iface $LAN_IFACE inet static
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address $LAN_IP
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netmask $LAN_SUBNET
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EOF
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ifup $LAN_IFACE
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# routing/firewall
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iptables -t nat -F
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iptables -t nat -A POSTROUTING -o $WAN_IFACE -j MASQUERADE
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iptables -F
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iptables -A INPUT -m state --state ESTABLISHED,RELATED -j ACCEPT
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iptables -A INPUT -m state --state NEW -p icmp -j ACCEPT
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iptables -A INPUT -m state --state NEW ! -i $LAN_IFACE -j ACCEPT
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iptables -A INPUT -m state --state NEW -p tcp --dport 22 -j ACCEPT
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iptables -A INPUT -m state --state NEW -p tcp --dport 80 -j ACCEPT
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iptables -A INPUT -m state --state NEW -p tcp --dport 53 -j ACCEPT
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iptables -A INPUT -m state --state NEW -p udp --dport 53 -j ACCEPT
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iptables -A INPUT -m state --state NEW -i $LAN_IFACE -p udp --dport 67 -j ACCEPT
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iptables -A INPUT -m state --state NEW -i $LAN_IFACE -p udp --dport 69 -j ACCEPT
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iptables -A INPUT -m state --state NEW -i $LAN_IFACE -p tcp --dport 111 -j ACCEPT
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iptables -A INPUT -m state --state NEW -i $LAN_IFACE -p udp --dport 111 -j ACCEPT
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iptables -A INPUT -m state --state NEW -i $LAN_IFACE -p tcp --dport 2049 -j ACCEPT
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iptables -A INPUT -m state --state NEW -i $LAN_IFACE -p udp --dport 2049 -j ACCEPT
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iptables -A INPUT -m state --state NEW -i $LAN_IFACE -p tcp --dport 4047 -j ACCEPT
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iptables -A INPUT -m state --state NEW -i $LAN_IFACE -p udp --dport 4047 -j ACCEPT
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iptables -A INPUT -m state --state NEW -i $LAN_IFACE -p tcp --dport 4048 -j ACCEPT
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iptables -A INPUT -m state --state NEW -i $LAN_IFACE -p udp --dport 4048 -j ACCEPT
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iptables -A FORWARD -i $LAN_IFACE -o $LAN_IFACE -j REJECT
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iptables -P INPUT DROP
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iptables-save > /etc/iptables.rules
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cat > /etc/network/if-pre-up.d/iptables <<EOF
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#!/bin/sh
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iptables-restore < /etc/iptables.rules
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exit 0
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EOF
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echo 1 > /proc/sys/net/ipv4/ip_forward
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echo "net.ipv4.ip_forward=1" > /etc/sysctl.d/ipv4_forward.conf
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# dnsmasq config
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cat > /etc/dnsmasq.d/tftp <<EOF
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enable-tftp
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tftp-root=/srv/tftp
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tftp-no-fail
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EOF
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cat > /etc/dnsmasq.d/dhcp <<EOF
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dhcp-range=$DHCP_START,$DHCP_END,4h
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dhcp-option=option:router,$LAN_IP
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dhcp-option=option:dns-server,$LAN_IP
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dhcp-authoritative
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log-dhcp
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EOF
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cat > /etc/dnsmasq.d/dns <<EOF
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bogus-priv
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no-resolv
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server=9.9.9.9
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server=1.1.1.2
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expand-hosts
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log-queries
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EOF
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service dnsmasq restart
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# netboot.xyz (alternativa 1)
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#cat > /etc/dnsmasq.d/pxe <<EOF
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#dhcp-match=set:bios,option:client-arch,0
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#dhcp-boot=tag:bios,netboot.xyz.kpxe
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#dhcp-boot=tag:!bios,netboot.xyz.efi
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#EOF
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#wget -c -O /srv/tftp/netboot.xyz.kpxe http://boot.netboot.xyz/ipxe/netboot.xyz.kpxe
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#wget -c -O /srv/tftp/netboot.xyz.efi http://boot.netboot.xyz/ipxe/netboot.xyz.efi
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#service dnsmasq restart
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# ipxe (alternativa 2)
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#cat > /etc/dnsmasq.d/pxe <<EOF
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#dhcp-match=set:bios,option:client-arch,0
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#dhcp-boot=tag:bios,undionly.kpxe
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#dhcp-boot=tag:!bios,ipxe.efi
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#dhcp-match=ipxe,175
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#dhcp-boot=net:ipxe,http://$LAN_IP/boot-netboot.txt
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#EOF
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#cat > /srv/pxe/boot-netboot.txt <<EOF
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##!ipxe
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#dhcp
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#chain --autofree http://boot.netboot.xyz
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#EOF
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#[ ! -f /srv/tftp/undionly.kpxe ] && cp /usr/lib/ipxe/undionly.kpxe /srv/tftp/undionly.kpxe
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#[ ! -f /srv/tftp/ipxe.efi ] && cp /usr/lib/ipxe/ipxe.efi /srv/tftp/ipxe.efi
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#service dnsmasq restart
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# nfs
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sed -i 's/^RPCMOUNTDOPTS.*/RPCMOUNTDOPTS="--manage-gids --port 4047"/' /etc/default/nfs-kernel-server
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cat > /etc/exports <<EOF
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/srv/pxe ${LAN_IP}/${LAN_SUBNET}(ro,async,no_root_squash,no_subtree_check,crossmnt)
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EOF
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exportfs -r
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# questo è da fare meglio in modo che sia ripetibile
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cat >> /etc/services <<EOF
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mountd 4047/tcp
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mountd 4047/udp
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lockd 4048/tcp
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lockd 4048/udp
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EOF
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# ipxe OK
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cat > /etc/dnsmasq.d/pxe <<EOF
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dhcp-match=set:bios,option:client-arch,0
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dhcp-boot=tag:bios,undionly.kpxe
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dhcp-boot=tag:!bios,ipxe.efi
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dhcp-match=ipxe,175
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dhcp-boot=net:ipxe,http://$LAN_IP/boot.txt
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EOF
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[ ! -f /srv/tftp/undionly.kpxe ] && cp /usr/lib/ipxe/undionly.kpxe /srv/tftp/undionly.kpxe
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[ ! -f /srv/tftp/ipxe.efi ] && cp /usr/lib/ipxe/ipxe.efi /srv/tftp/ipxe.efi
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[ ! -f /srv/pxe/memdisk ] && cp /usr/lib/syslinux/memdisk /srv/pxe/memdisk
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if [ ! -f /srv/pxe/iso/freedos.iso] ; then
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wget -c -O /tmp/FD13-LiveCD.zip https://www.ibiblio.org/pub/micro/pc-stuff/freedos/files/distributions/1.3/official/FD13-LiveCD.zip
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unzip /tmp/FD13-LiveCD.zip -d /srv/pxe/iso/ *.iso && rm /tmp/FD13-LiveCD.zip
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fi
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# memtest: https://www.memtest.org/download/v6.20/mt86plus_6.20.binaries.zip
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# mount on boot
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cat > /etc/systemd/system/mount-isos.service <<EOF
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[Unit]
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Description=Mount ISOs
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[Service]
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ExecStart=/srv/pxe/mount/mount-all.sh
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[Install]
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WantedBy=multi-user.target
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EOF
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cat > /srv/pxe/mount/mount-all.sh <<EOF
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#!/bin/bash
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montami() {
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B=\$(basename \$1)
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mount "/srv/pxe/iso/\$B" "/srv/pxe/mount/\$B"
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echo "mounted '/srv/pxe/iso/\$B' on '/srv/pxe/mount/\$B'"
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}
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export -f montami
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find /srv/pxe/mount/ -mindepth 1 -maxdepth 1 -type d -exec bash -c 'montami "\$0"' {} \;
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EOF
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chmod u+x /srv/pxe/mount/mount-all.sh
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systemctl enable mount-isos
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