mirror of
https://github.com/kevinveenbirkenbach/linux-image-manager.git
synced 2024-11-14 03:21:03 +01:00
Optimized code
This commit is contained in:
parent
021e6b2812
commit
9e66e2271f
@ -2,9 +2,9 @@
|
|||||||
# @see https://stackoverflow.com/questions/32408820/how-to-list-files-and-match-first-line-in-bash-script
|
# @see https://stackoverflow.com/questions/32408820/how-to-list-files-and-match-first-line-in-bash-script
|
||||||
# @see https://unix.stackexchange.com/questions/298590/using-find-non-recursively
|
# @see https://unix.stackexchange.com/questions/298590/using-find-non-recursively
|
||||||
# @see https://security.stackexchange.com/questions/129724/how-to-check-if-an-ssh-private-key-has-passphrase-or-not
|
# @see https://security.stackexchange.com/questions/129724/how-to-check-if-an-ssh-private-key-has-passphrase-or-not
|
||||||
find $HOME/.ssh -maxdepth 1 -type f -print0 | while IFS= read -r -d $'\0' file; do
|
find "$HOME/.ssh" -maxdepth 1 -type f -print0 | while IFS= read -r -d $'\0' file; do
|
||||||
if [[ $(head -n1 "$file") == "-----BEGIN OPENSSH PRIVATE KEY-----" ]]; then
|
if [[ $(head -n1 "$file") == "-----BEGIN OPENSSH PRIVATE KEY-----" ]]; then
|
||||||
echo "Test file: $file"
|
echo "Test file: $file"
|
||||||
ssh-keygen -y -P "" -f $file
|
ssh-keygen -y -P "" -f "$file"
|
||||||
fi
|
fi
|
||||||
done
|
done
|
||||||
|
@ -1,37 +0,0 @@
|
|||||||
#!/bin/bash
|
|
||||||
# Wrong scripped but good as a base to optimize later. See http://blog.tdg5.com/tuning-dd-block-size/
|
|
||||||
# Since we're dealing with dd, abort if any errors occur
|
|
||||||
set -e
|
|
||||||
|
|
||||||
TEST_FILE=${1:-dd_obs_testfile}
|
|
||||||
[ -e "$TEST_FILE" ]; TEST_FILE_EXISTS=$?
|
|
||||||
TEST_FILE_SIZE=134217728
|
|
||||||
|
|
||||||
# Header
|
|
||||||
PRINTF_FORMAT="%8s : %s\n"
|
|
||||||
printf "$PRINTF_FORMAT" 'block size' 'transfer rate'
|
|
||||||
|
|
||||||
# Block sizes of 512b 1K 2K 4K 8K 16K 32K 64K 128K 256K 512K 1M 2M 4M 8M 16M 32M 64M
|
|
||||||
for BLOCK_SIZE in 512 1024 2048 4096 8192 16384 32768 65536 131072 262144 524288 1048576 2097152 4194304 8388608 16777216 33554432 67108864
|
|
||||||
do
|
|
||||||
# Calculate number of segments required to copy
|
|
||||||
COUNT=$(($TEST_FILE_SIZE / $BLOCK_SIZE))
|
|
||||||
|
|
||||||
if [ $COUNT -le 0 ]; then
|
|
||||||
echo "Block size of $BLOCK_SIZE estimated to require $COUNT blocks, aborting further tests."
|
|
||||||
break
|
|
||||||
fi
|
|
||||||
|
|
||||||
# Create a test file with the specified block size
|
|
||||||
DD_RESULT=$(dd if=/dev/zero of=$TEST_FILE bs=$BLOCK_SIZE count=$COUNT 2>&1 1>/dev/null)
|
|
||||||
|
|
||||||
echo $DD_RESULT
|
|
||||||
# Extract the transfer rate from dd's STDERR output
|
|
||||||
TRANSFER_RATE=$(echo $DD_RESULT | \grep --only-matching -E '[0-9.]+ ([MGk]?B|bytes)/s(ec)?')
|
|
||||||
|
|
||||||
# Clean up the test file if we created one
|
|
||||||
[ $TEST_FILE_EXISTS -ne 0 ] && rm $TEST_FILE
|
|
||||||
|
|
||||||
# Output the result
|
|
||||||
printf "$PRINTF_FORMAT" "$BLOCK_SIZE" "$TRANSFER_RATE"
|
|
||||||
done
|
|
@ -1,6 +1,7 @@
|
|||||||
#!/bin/bash
|
#!/bin/bash
|
||||||
# shellcheck disable=SC1090 # Can't follow non-constant source. Use a directive to specify location.
|
# shellcheck disable=SC1090 # Can't follow non-constant source. Use a directive to specify location.
|
||||||
# shellcheck disable=SC2154 # Referenced but not assigned
|
# shellcheck disable=SC2154 # Referenced but not assigned
|
||||||
|
# shellcheck disable=SC2015 #Deactivate bool hint
|
||||||
source "$(dirname "$(readlink -f "${0}")")/base.sh" || (echo "Loading base.sh failed." && exit 1)
|
source "$(dirname "$(readlink -f "${0}")")/base.sh" || (echo "Loading base.sh failed." && exit 1)
|
||||||
info "Automount raid1 encrypted storages..." &&
|
info "Automount raid1 encrypted storages..." &&
|
||||||
set_raid1_devices_mount_partition_and_mapper_paths &&
|
set_raid1_devices_mount_partition_and_mapper_paths &&
|
||||||
|
Loading…
Reference in New Issue
Block a user