mirror of
https://github.com/kevinveenbirkenbach/linux-image-manager.git
synced 2024-11-10 01:51:03 +01:00
Optimized analyziation
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parent
7f629205ef
commit
76f1a35a46
6
scripts/analyze/client/big_files.sh
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scripts/analyze/client/big_files.sh
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#!/bin/bash
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# @author Kevin Veen-Birkenbach
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# shellcheck source=/dev/null # Deactivate SC1090
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source "$(dirname "$(readlink -f "${0}")")/../../base.sh" || (echo "Loading base.sh failed." && exit 1)
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info "Searching for files which are in \"$HOME\" and bigger then 100MB..."
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find ~ -type f -size +100M -exec ls -lh {} \;
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6
scripts/analyze/client/false_chown.sh
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scripts/analyze/client/false_chown.sh
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#!/bin/bash
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# @author Kevin Veen-Birkenbach
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# shellcheck source=/dev/null # Deactivate SC1090
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source "$(dirname "$(readlink -f "${0}")")/../../base.sh" || (echo "Loading base.sh failed." && exit 1)
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info "Searching for files which are in \"$HOME\" but don't belong to user \"$USER\"..."
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sudo find "$HOME" ! -user "$USER"
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6
scripts/analyze/client/file_duplicates.sh
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scripts/analyze/client/file_duplicates.sh
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#!/bin/bash
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# @author Kevin Veen-Birkenbach
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# shellcheck source=/dev/null # Deactivate SC1090
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source "$(dirname "$(readlink -f "${0}")")/../../base.sh" || (echo "Loading base.sh failed." && exit 1)
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info "Checking relevant home folders for duplicated files..."
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fdupes -r "$HOME/Documents/" "$HOME/Downloads/" "$HOME/Images/" "$HOME/Desktop/" "$HOME/Music/" "$HOME/Pictures/" "$HOME/Videos"
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scripts/analyze/client/java_versions.sh
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scripts/analyze/client/java_versions.sh
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#!/bin/bash
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# @author Kevin Veen-Birkenbach
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# shellcheck source=/dev/null # Deactivate SC1090
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source "$(dirname "$(readlink -f "${0}")")/../../base.sh" || (echo "Loading base.sh failed." && exit 1)
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info "Showing the installed Java versions..." &&
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archlinux-java status
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scripts/analyze/client/linux_kernel.sh
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scripts/analyze/client/linux_kernel.sh
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#!/bin/bash
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# @author Kevin Veen-Birkenbach
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# shellcheck source=/dev/null # Deactivate SC1090
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source "$(dirname "$(readlink -f "${0}")")/../../base.sh" || (echo "Loading base.sh failed." && exit 1)
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info "Linux-Kernel: $(uname -r)"
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37
scripts/analyze/system/dd_optimal_bs_test.sh
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scripts/analyze/system/dd_optimal_bs_test.sh
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#!/bin/bash
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# Wrong scripped but good as a base to optimize later. See http://blog.tdg5.com/tuning-dd-block-size/
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# Since we're dealing with dd, abort if any errors occur
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set -e
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TEST_FILE=${1:-dd_obs_testfile}
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[ -e "$TEST_FILE" ]; TEST_FILE_EXISTS=$?
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TEST_FILE_SIZE=134217728
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# Header
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PRINTF_FORMAT="%8s : %s\n"
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printf "$PRINTF_FORMAT" 'block size' 'transfer rate'
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# Block sizes of 512b 1K 2K 4K 8K 16K 32K 64K 128K 256K 512K 1M 2M 4M 8M 16M 32M 64M
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for BLOCK_SIZE in 512 1024 2048 4096 8192 16384 32768 65536 131072 262144 524288 1048576 2097152 4194304 8388608 16777216 33554432 67108864
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do
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# Calculate number of segments required to copy
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COUNT=$(($TEST_FILE_SIZE / $BLOCK_SIZE))
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if [ $COUNT -le 0 ]; then
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echo "Block size of $BLOCK_SIZE estimated to require $COUNT blocks, aborting further tests."
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break
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fi
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# Create a test file with the specified block size
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DD_RESULT=$(dd if=/dev/zero of=$TEST_FILE bs=$BLOCK_SIZE count=$COUNT 2>&1 1>/dev/null)
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echo $DD_RESULT
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# Extract the transfer rate from dd's STDERR output
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TRANSFER_RATE=$(echo $DD_RESULT | \grep --only-matching -E '[0-9.]+ ([MGk]?B|bytes)/s(ec)?')
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# Clean up the test file if we created one
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[ $TEST_FILE_EXISTS -ne 0 ] && rm $TEST_FILE
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# Output the result
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printf "$PRINTF_FORMAT" "$BLOCK_SIZE" "$TRANSFER_RATE"
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done
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@ -1,15 +0,0 @@
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#!/bin/bash
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# @author Kevin Veen-Birkenbach
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# shellcheck source=/dev/null # Deactivate SC1090
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source "$(dirname "$(readlink -f "${0}")")/../base.sh" || (echo "Loading base.sh failed." && exit 1)
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echo "System check - Shows things which can be optimized:"
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echo
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info "Linux-Kernel: $(uname -r)"
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info "Checking relevant home folders for duplicated files..."
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fdupes -r "$HOME/Documents/" "$HOME/Downloads/" "$HOME/Images/" "$HOME/Desktop/" "$HOME/Music/" "$HOME/Pictures/" "$HOME/Videos"
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info "Searching for files which are in \"$HOME\" but don't belong to user \"$USER\"..."
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sudo find "$HOME" ! -user "$USER"
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info "Searching for files which are in \"$HOME\" and bigger then 100MB..."
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find ~ -type f -size +100M -exec ls -lh {} \;
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info "Showing the installed Java versions..." &&
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archlinux-java status
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@ -1,5 +1,6 @@
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#!/bin/bash
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source "$(dirname "$(readlink -f "${0}")")/base.sh" || (echo "Loading base.sh failed." && exit 1)
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source "$(dirname "$(readlink -f "${0}")")/base.sh" || (echo "Loading base.sh failed." && exit 1)
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echo "Mounting encrypted storage..."
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echo "Mounts encrypted storages"
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set_device_mount_and_mapper_paths
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set_device_mount_and_mapper_paths
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45
scripts/encryption/storage/mount_on_boot.sh
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scripts/encryption/storage/mount_on_boot.sh
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#!/bin/bash
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source "$(dirname "$(readlink -f "${0}")")/base.sh" || (echo "Loading base.sh failed." && exit 1)
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echo "Automount encrypted storages"
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echo
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set_device_mount_and_mapper_paths
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secret_key_path="/etc/luks-keys/$mapper""_name_secret_key" &&
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info "Generate secret key under: $secret_key_path" &&
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dd if=/dev/urandom of=$secret_key_path bs=512 count=8 &&
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sudo cryptsetup -v luksAddKey $device_path $secret_key_path ||
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error
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info "Opening and closing device to verify that that everything works fine..." &&
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sudo cryptsetup -v luksOpen $device_path $mapper_name --key-file=$secret_key_path &&
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sudo cryptsetup -v luksClose $mapper_name ||
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error
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uuid_line=$(sudo cryptsetup luksDump $device_path | grep "UUID")
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uuid=$(uuid_line "${test/UUID:/""}"|sed -e "s/[[:space:]]\+//g")
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crypttab_path="/etc/crypttab"
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if grep -q "$uuid" "$crypttab_path"; then
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error "File $crypttab_path contains allready a string with the UUID:$uuid"
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fi
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"$mapper_name UUID=$uuid $secret_key_path luks" >> $crypttab_path
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info "The file $crypttab_path contains the following:" &&
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sudo cat $crypttab_path ||
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error
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info "Verifying crypttab configuration..." &&
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sudo cryptdisks_start $mapper_name ||
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error
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fstab_path="/etc/fstab"
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if grep -q "$uuid" "f$stab_path"; then
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error "File $fstab_path contains allready a string with the UUID:$uuid"
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fi
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"$mapper_path $mount_path btrfs defaults 0 2" >> $fstab_path ||
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error
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info "The file $crypttab_path contains the following:" &&
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sudo cat $crypttab_path ||
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error
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success "Installation finished. Please restart :)"
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