Linuxでプロセスを一括killする方法

こんな感じでSSHで対話式のコマンドを実行して止まった等で、使ってないプロセスが一杯ある場合のプロセスkillの方法。

kamatama41 23617  0.0  0.0  56716  3176 ?        Ss    2013   0:00 /usr/bin/ssh -l kamatama41 -t example.com /bin/sh -c "tailf /etc/hosts"
kamatama41 23800  0.0  0.0  56716  3176 ?        Ss    2013   0:00 /usr/bin/ssh -l kamatama41 -t example.com /bin/sh -c "tailf /etc/hosts"
kamatama41 23866  0.0  0.0  56716  3172 ?        Ss    2014   0:00 /usr/bin/ssh -l kamatama41 -t example.com /bin/sh -c "tailf /etc/hosts"
kamatama41 24063  0.0  0.0  56716  3168 ?        Ss    2014   0:00 /usr/bin/ssh -l kamatama41 -t example.com /bin/sh -c "tailf /etc/hosts"
kamatama41 24164  0.0  0.0  56716  3180 ?        Ss    2013   0:00 /usr/bin/ssh -l kamatama41 -t example.com /bin/sh -c "tailf /etc/hosts"
kamatama41 24216  0.0  0.0  56716  3180 ?        Ss    2013   0:00 /usr/bin/ssh -l kamatama41 -t example.com /bin/sh -c "tailf /etc/hosts"
kamatama41 25315  0.0  0.0  56716  3176 ?        Ss    2013   0:00 /usr/bin/ssh -l kamatama41 -t example.com /bin/sh -c "tailf /etc/hosts"
kamatama41 28121  0.0  0.0  56716  3180 ?        Ss    2014   0:00 /usr/bin/ssh -l kamatama41 -t example.com /bin/sh -c "tailf /etc/hosts"
kamatama41 29155  0.0  0.0  56716  3176 ?        Ss    2013   0:00 /usr/bin/ssh -l kamatama41 -t example.com /bin/sh -c "tailf /etc/hosts"
kamatama41 29176  0.0  0.0  56716  3180 ?        Ss    2014   0:00 /usr/bin/ssh -l kamatama41 -t example.com /bin/sh -c "tailf /etc/hosts"
kamatama41 29282  0.0  0.0  56716  3176 ?        Ss    2013   0:00 /usr/bin/ssh -l kamatama41 -t example.com /bin/sh -c "tailf /etc/hosts"
kamatama41 29890  0.0  0.0  56716  3176 ?        Ss    2014   0:00 /usr/bin/ssh -l kamatama41 -t example.com /bin/sh -c "tailf /etc/hosts"
kamatama41 31548  0.0  0.0  57500  3180 ?        Ss    2013   0:00 /usr/bin/ssh -l kamatama41 -t example.com /bin/sh -c "tailf /etc/hosts"
kamatama41 31550  0.0  0.0  56716  3176 ?        Ss    2013   0:00 /usr/bin/ssh -l kamatama41 -t example.com /bin/sh -c "tailf /etc/hosts"
kamatama41 31551  0.0  0.0  56716  3172 ?        Ss    2013   0:00 /usr/bin/ssh -l kamatama41 -t example.com /bin/sh -c "tailf /etc/hosts"

pkillコマンド

を使えば、実行コマンド内容に一致するプロセスを一括killすることが出来ます。

$ pkill -f 'tailf /etc/hosts'

helpの内容はこんな感じ

$ pkill --help
pkill: invalid option -- -
Usage: pkill [-SIGNAL] [-fvx] [-n|-o] [-P PPIDLIST] [-g PGRPLIST] [-s SIDLIST]
    [-u EUIDLIST] [-U UIDLIST] [-G GIDLIST] [-t TERMLIST] [PATTERN]