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Server: Apache/2.4.29 (Ubuntu)
System: Linux bareserver 4.15.0-213-generic #224-Ubuntu SMP Mon Jun 19 13:30:12 UTC 2023 x86_64
User: root (0)
PHP: 7.2.24-0ubuntu0.18.04.17
Disabled: pcntl_alarm,pcntl_fork,pcntl_waitpid,pcntl_wait,pcntl_wifexited,pcntl_wifstopped,pcntl_wifsignaled,pcntl_wifcontinued,pcntl_wexitstatus,pcntl_wtermsig,pcntl_wstopsig,pcntl_signal,pcntl_signal_get_handler,pcntl_signal_dispatch,pcntl_get_last_error,pcntl_strerror,pcntl_sigprocmask,pcntl_sigwaitinfo,pcntl_sigtimedwait,pcntl_exec,pcntl_getpriority,pcntl_setpriority,pcntl_async_signals,
$ pwd: /etc/network/if-pre-up.d/
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File: //etc/network/if-pre-up.d/mtuipv6
#!/bin/bash -e
# injected by curtin installer

[ "${IFACE}" != "lo" ] || exit 0

# Trigger only if MTU configured
[ -n "${IF_MTU}" ] || exit 0

read CUR_DEV_MTU </sys/class/net/${IFACE}/mtu ||:
read CUR_IPV6_MTU </proc/sys/net/ipv6/conf/${IFACE}/mtu ||:
[ -n "${CUR_DEV_MTU}" ] && echo ${CUR_DEV_MTU} > /run/network/${IFACE}_dev.mtu
[ -n "${CUR_IPV6_MTU}" ] &&
  echo ${CUR_IPV6_MTU} > /run/network/${IFACE}_ipv6.mtu
exit 0
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