diff options
Diffstat (limited to 'man4/random.4')
| -rw-r--r-- | man4/random.4 | 50 |
1 files changed, 25 insertions, 25 deletions
diff --git a/man4/random.4 b/man4/random.4 index b02a564161..b524c71180 100644 --- a/man4/random.4 +++ b/man4/random.4 @@ -49,9 +49,9 @@ If your system does not have can be created with the following commands: .nf - mknod \-m 644 /dev/random c 1 8 - mknod \-m 644 /dev/urandom c 1 9 - chown root:root /dev/random /dev/urandom + mknod \-m 644 /dev/random c 1 8 + mknod \-m 644 /dev/urandom c 1 9 + chown root:root /dev/random /dev/urandom .fi When a Linux system starts up without much operator interaction, @@ -63,34 +63,34 @@ To do this, add the following lines to an appropriate script which is run during the Linux system start-up sequence: .nf - echo "Initializing random number generator..." - random_seed=/var/run/random-seed - # Carry a random seed from start-up to start-up - # Load and then save the whole entropy pool - if [ \-f $random_seed ]; then - cat $random_seed >/dev/urandom - else - touch $random_seed - fi - chmod 600 $random_seed - poolfile=/proc/sys/kernel/random/poolsize - [ \-r $poolfile ] && bytes=`cat $poolfile` || bytes=512 - dd if=/dev/urandom of=$random_seed count=1 bs=$bytes + echo "Initializing random number generator..." + random_seed=/var/run/random-seed + # Carry a random seed from start-up to start-up + # Load and then save the whole entropy pool + if [ \-f $random_seed ]; then + cat $random_seed >/dev/urandom + else + touch $random_seed + fi + chmod 600 $random_seed + poolfile=/proc/sys/kernel/random/poolsize + [ \-r $poolfile ] && bytes=`cat $poolfile` || bytes=512 + dd if=/dev/urandom of=$random_seed count=1 bs=$bytes .fi Also, add the following lines in an appropriate script which is run during the Linux system shutdown: .nf - # Carry a random seed from shut-down to start-up - # Save the whole entropy pool - echo "Saving random seed..." - random_seed=/var/run/random-seed - touch $random_seed - chmod 600 $random_seed - poolfile=/proc/sys/kernel/random/poolsize - [ \-r $poolfile ] && bytes=`cat $poolfile` || bytes=512 - dd if=/dev/urandom of=$random_seed count=1 bs=$bytes + # Carry a random seed from shut-down to start-up + # Save the whole entropy pool + echo "Saving random seed..." + random_seed=/var/run/random-seed + touch $random_seed + chmod 600 $random_seed + poolfile=/proc/sys/kernel/random/poolsize + [ \-r $poolfile ] && bytes=`cat $poolfile` || bytes=512 + dd if=/dev/urandom of=$random_seed count=1 bs=$bytes .fi .SH "PROC INTERFACE" The files in the directory |