Server : nginx/1.18.0 System : Linux localhost 6.14.3-x86_64-linode168 #1 SMP PREEMPT_DYNAMIC Mon Apr 21 19:47:55 EDT 2025 x86_64 User : www-data ( 33) PHP Version : 8.0.16 Disable Function : 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,pcntl_unshare, Directory : /etc/cron.daily/ |
#!/bin/sh
dbdir=/var/lib/dpkg
# Backup the 7 last versions of dpkg databases containing user data.
if cd /var/backups ; then
# We backup all relevant database files if any has changed, so that
# the rotation number always contains an internally consistent set.
dbchanged=no
dbfiles="arch status diversions statoverride"
for db in $dbfiles ; do
if ! cmp -s "dpkg.${db}.0" "$dbdir/$db"; then
dbchanged=yes
break;
fi
done
if [ "$dbchanged" = "yes" ] ; then
for db in $dbfiles ; do
[ -e "$dbdir/$db" ] || continue
cp -p "$dbdir/$db" "dpkg.$db"
savelog -c 7 "dpkg.$db" >/dev/null
done
fi
# The alternatives database is independent from the dpkg database.
dbalt=alternatives
# XXX: Ideally we'd use --warning=none instead of discarding stderr, but
# as of GNU tar 1.27.1, it does not seem to work reliably (see #749307).
if ! test -e ${dbalt}.tar.0 ||
! tar -df ${dbalt}.tar.0 -C $dbdir $dbalt >/dev/null 2>&1 ;
then
tar -cf ${dbalt}.tar -C $dbdir $dbalt >/dev/null 2>&1
savelog -c 7 ${dbalt}.tar >/dev/null
fi
fi