alsamixer: 音量调节

Show dd progress

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# dd if=/dev/zero of=/tmp/foo &
# while pgrep ^dd; do kill -USR1 `pgrep ^dd`; sleep 10; done

Ref: http://adam8157.info/blog/2011/05/show-dd-progress http://www.commandlinefu.com/commands/view/4011/check-the-status-of-dd-in-progress

burn DVD

You can use brasero to burn CD/DVD

copy message to clipboard

cat doc.txt | xsel # use middle mouse key or Control + Shift + Insert to paste cat doc.txt | xsel -b # use Control + v to paste

File Manager

ranger

yum

  1. download package without install it yum install yum-plugin-downloadonly yum install –downloadonly –downloaddir=

or

yum install yum-utils yumdownloader

  1. create a local mirror of other repo

yum install yum-utils createrepo

reposync –gpgcheck -l –repoid=$repo_name –download_path=/download/path

cd /var/www/html/

createrepo -v /var/www/html//

to enable yum-security or groupinstall, add –downloadcomps –download-metadata for reposync