Unix 管理员常用命令

1-保存man-page 为pdf文件man -t awk | ps2pdf - awk.pdf2-Duplicate installed packages from one machine to the other （RPM-based systems）ssh root@remote.host "rpm -qa" | xargs yum -y install3-Stamp a text line on top of the pdf pages to quickly add some remark, comment, stamp text, … on top of （each of） the pages of the input pdf fileecho "This text gets stamped on the top of the pdf pages." | enscript -B -f Courier-Bold16 -o- | ps2pdf - | pdftk input.pdf stamp - output output.pdf4-Display the number of connections to a MySQL Databasemysql -u root -p -BNe "select host,count（host） from processlist group by host;" information_schema5-Create a local compressed tarball from remote host directoryssh user@host "tar -zcf - /path/to/dir" > dir.tar.gz6-tail a log over sshssh -t remotebox "tail -f /var/log/remote.log"7-Print diagram of user/groupsawk "BEGIN{FS=":"; print "digraph{"}{split（$4, a, ","）; for （i in a） printf ""%s" [shape=box] "%s" -> "%s" ", $1, a[i], $1}END{print "}"}" /etc/group|display8-Draw kernel module dependancy graph.lsmod | perl -e "print "digraph "lsmod" {";;while（）{@_=split/s+/; print ""$_[0]" -> "$_" " for split/,/,$_[3]}print "}"" | dot -Tpng | display -9-Create strong, but easy to remember passwordread -s pass; echo $pass | md5sum | base64 | cut -c -1610-Find all files larger than 500M and less than 1GBfind / -type f -size +500M -size -1G11-Limit the cpu usage of a processsudo cpulimit -p pid -l 50很有“一行帝”风范啊～～ Red Hat Linux 9 安装JDKFedora 16 AMD 闭源驱动安装指南相关资讯 Linux命令

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