Optimized analyziation

scripts/analyze/client/big_files.sh

@@ -0,0 +1,6 @@
+#!/bin/bash
+# @author Kevin Veen-Birkenbach
+# shellcheck source=/dev/null # Deactivate SC1090
+source "$(dirname "$(readlink -f "${0}")")/../../base.sh" || (echo "Loading base.sh failed." && exit 1)
+info "Searching for files which are in \"$HOME\" and bigger then 100MB..."
+find ~ -type f -size +100M -exec ls -lh {} \;

scripts/analyze/client/false_chown.sh

@@ -0,0 +1,6 @@
+#!/bin/bash
+# @author Kevin Veen-Birkenbach
+# shellcheck source=/dev/null # Deactivate SC1090
+source "$(dirname "$(readlink -f "${0}")")/../../base.sh" || (echo "Loading base.sh failed." && exit 1)
+info "Searching for files which are in \"$HOME\" but don't belong to user \"$USER\"..."
+sudo find "$HOME" ! -user "$USER"

scripts/analyze/client/file_duplicates.sh

@@ -0,0 +1,6 @@
+#!/bin/bash
+# @author Kevin Veen-Birkenbach
+# shellcheck source=/dev/null # Deactivate SC1090
+source "$(dirname "$(readlink -f "${0}")")/../../base.sh" || (echo "Loading base.sh failed." && exit 1)
+info "Checking relevant home folders for duplicated files..."
+fdupes -r "$HOME/Documents/" "$HOME/Downloads/" "$HOME/Images/" "$HOME/Desktop/" "$HOME/Music/" "$HOME/Pictures/" "$HOME/Videos"

scripts/analyze/client/java_versions.sh

@@ -0,0 +1,6 @@
+#!/bin/bash
+# @author Kevin Veen-Birkenbach
+# shellcheck source=/dev/null # Deactivate SC1090
+source "$(dirname "$(readlink -f "${0}")")/../../base.sh" || (echo "Loading base.sh failed." && exit 1)
+info "Showing the installed Java versions..." &&
+archlinux-java status

scripts/analyze/client/linux_kernel.sh

@@ -0,0 +1,5 @@
+#!/bin/bash
+# @author Kevin Veen-Birkenbach
+# shellcheck source=/dev/null # Deactivate SC1090
+source "$(dirname "$(readlink -f "${0}")")/../../base.sh" || (echo "Loading base.sh failed." && exit 1)
+info "Linux-Kernel: $(uname -r)"

scripts/analyze/system/dd_optimal_bs_test.sh

@@ -0,0 +1,37 @@
+#!/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

scripts/client/check.sh

@@ -1,15 +0,0 @@
-#!/bin/bash
-# @author Kevin Veen-Birkenbach
-# shellcheck source=/dev/null # Deactivate SC1090
-source "$(dirname "$(readlink -f "${0}")")/../base.sh" || (echo "Loading base.sh failed." && exit 1)
-echo "System check - Shows things which can be optimized:"
-echo
-info "Linux-Kernel: $(uname -r)"
-info "Checking relevant home folders for duplicated files..."
-fdupes -r "$HOME/Documents/" "$HOME/Downloads/" "$HOME/Images/" "$HOME/Desktop/" "$HOME/Music/" "$HOME/Pictures/" "$HOME/Videos"
-info "Searching for files which are in \"$HOME\" but don't belong to user \"$USER\"..."
-sudo find "$HOME" ! -user "$USER"
-info "Searching for files which are in \"$HOME\" and bigger then 100MB..."
-find ~ -type f -size +100M -exec ls -lh {} \;
-info "Showing the installed Java versions..." &&
-archlinux-java status

scripts/encryption/storage/mount.sh

@@ -1,5 +1,6 @@
+#!/bin/bash
 source "$(dirname "$(readlink -f "${0}")")/base.sh" || (echo "Loading base.sh failed." && exit 1)
-echo "Mounting encrypted storage..."
+echo "Mounts encrypted storages"
 
 set_device_mount_and_mapper_paths
 

scripts/encryption/storage/mount_on_boot.sh

@@ -0,0 +1,45 @@
+#!/bin/bash
+source "$(dirname "$(readlink -f "${0}")")/base.sh" || (echo "Loading base.sh failed." && exit 1)
+echo "Automount encrypted storages"
+echo
+set_device_mount_and_mapper_paths
+
+secret_key_path="/etc/luks-keys/$mapper""_name_secret_key" &&
+info "Generate secret key under: $secret_key_path" &&
+dd if=/dev/urandom of=$secret_key_path bs=512 count=8 &&
+sudo cryptsetup -v luksAddKey $device_path $secret_key_path ||
+error
+
+info "Opening and closing device to verify that that everything works fine..." &&
+sudo cryptsetup -v luksOpen $device_path $mapper_name --key-file=$secret_key_path &&
+sudo cryptsetup -v luksClose $mapper_name ||
+error
+
+uuid_line=$(sudo cryptsetup luksDump $device_path | grep "UUID")
+uuid=$(uuid_line "${test/UUID:/""}"|sed -e "s/[[:space:]]\+//g")
+crypttab_path="/etc/crypttab"
+if grep -q "$uuid" "$crypttab_path"; then
+  error "File $crypttab_path contains allready a string with the UUID:$uuid"
+fi
+"$mapper_name UUID=$uuid $secret_key_path luks" >> $crypttab_path
+
+info "The file $crypttab_path contains the following:" &&
+sudo cat $crypttab_path ||
+error
+
+info "Verifying crypttab configuration..." &&
+sudo cryptdisks_start $mapper_name ||
+error
+
+fstab_path="/etc/fstab"
+if grep -q "$uuid" "f$stab_path"; then
+  error "File $fstab_path contains allready a string with the UUID:$uuid"
+fi
+"$mapper_path $mount_path btrfs   defaults   0       2" >> $fstab_path ||
+error
+
+info "The file $crypttab_path contains the following:" &&
+sudo cat $crypttab_path ||
+error
+
+success "Installation finished. Please restart :)"