命令記錄
睡眠或休眠后無音頻輸出設備，pulseaudio -k，pulseaudio --start
見https://wiki.archlinux.org/index.php/PulseAudio/Troubleshooting#No_sound_after_resume_from_suspend
查詢網卡雙工模式 ethtool enp2s0
設置網卡速度 sudo ethtool -s enp2s0 speed 1000 duplex full
無顯示器時設置分辨率 xrandr --fb 1920x1080
curl http://icanhazip.com
設置root密碼：sudo passwd
查看UUID等信息：sudo blkid
任務前后臺切換：Ctrl+Z，jobs,fg,bg
列舉系統中已有字體：fc-list : family
輸出某字體的詳細信息：fc-list '思源宋體 CN' file family style fullname
pdfcrop --margins "25 25 25 25" test.pdf
pdfcrop --papersize a4 test.pdf
inkscape -z -e t.png -w 1280 -h 960 t.svg
inkscape t.svg --export-pdf=t.pdf
inkscape --without-gui --file=t.pdf --export-plain-svg=t.svg
convert t.pdf t.emf
pdfseparate t.pdf %d.pdf
pdfjoin 1.pdf 2.pdf 3.pdf
pdfunite 1.pdf 2.pdf out.pdf
pdfjam --outfile t.pdf --papersize '{297mm,210mm}' --pagecommand '{}' test.pdf
convert 1.jpg 2.jpg -append result-sprite.png
for i in {1..16}
do
convert $i.jpg t/$i.pdf
done
pdfunite `ls|sort -n` o.pdf
latexmk -c
./pdf2svg t.pdf t.svg
sudo update-alternatives --config java
sudo ip address
sudo apt install net-tools,ifconfig,ping -b 192.168.0.255,arp -a
dot -Tsvg -O t
dot -Tpng -O t
dot -Tpdf -O t
for i in {1..17}
do
inkscape -z -e $i.png -w 4000 -h 3000 $i.svg
done
for i in `ls`
do
echo $i
done
python3 -m http.server
adb shell pm list packages -f
adb shell pm list packages -e
adb pull /sdcard/dirname/ .
gs -dSAFER -dBATCH -dNOPAUSE -sDEVICE=pdfwrite -sOutputFile=t.pdf test.pdf pdfmarks
pdfmarks文件內容：
[ /Title ()
/Author ()
/Subject ()
/Keywords ()
/ModDate (D:20180522131336)
/CreationDate (D:20180522131336)
/Creator (Typora)
/Producer (Typora)
/DOCINFO pdfmark
`sudo restore -f homexuewei.bak -i`,`cd`,`add dirname`,`extract`
find|grep cache|xargs -I {} grep -i 'augmented' {} > ~/Desktop/temp
sudo /etc/init.d/bluetooth restart
ffmpeg -i file.webp out.png
把PDF文件的每一頁轉換為圖片，然后把圖片做成PDF
pdffile=$1
tmpdir="___tmp___"
mkdir $tmpdir
mv $pdffile $tmpdir
cd $tmpdir
pdftoppm $pdffile outputname -png -rx 400 -ry 400
mv $pdffile ../
j=0;
for i in `ls|grep png`;
do
convert $i $j.pdf;
j=`expr $j + 1`;
done;
pdfjoin `ls|grep pdf | sort -n`
mv `ls|grep joined` ../`basename $pdffile .pdf`-img.pdf
cd ..
rm -rf $tmpdir
END
2018.5.28
浙公網安備 33010602011771號