使用GNU parallel-php手册-php.cn

使用GNU parallel

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Release： 2016-06-13 08:42:33

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使用GNU parallel

批量创建cron任务：

# host.lst 是主机列表

# 查看当前cron任务
parallel --nonall -j0 --slf host.lst "hostname;crontab -l"

# 查看/var/spool/cron文件
parallel --nonall -j0 --slf host.lst "hostname;ls -l /var/spool/cron"

# 设置cron任务
parallel --nonall -j0 --slf host.lst echo '"0 0 * * * cd /root/nmon;/root/nmon/nmon -f -s600 -c144" > /var/spool/cron/root'

--tag参数为输出行增加标记

# 当有输入参数时，标记内容是输入参数，
# 当无输入参数（--nonall）时，标记内容为sshlogin。
parallel --tag --nonall -j0 --slf host.lst uptime

scp收集文件

parallel -a host.lst scp '"{}:/root/nmon/*160401*.nmon"' .

# host.lst 是主机列表

# 查看当前cron任务
parallel --nonall -j0 --slf host.lst "hostname;crontab -l"

# 查看/var/spool/cron文件
parallel --nonall -j0 --slf host.lst "hostname;ls -l /var/spool/cron"

# 设置cron任务
parallel --nonall -j0 --slf host.lst echo '"0 0 * * * cd /root/nmon;/root/nmon/nmon -f -s600 -c144" > /var/spool/cron/root'

# --tag可以为输出行增加标记。
# 当有输入参数时，标记内容是输入参数，
# 当无输入参数（--nonall）时，标记内容为sshlogin。
parallel --tag --nonall -j0--slf host.lst uptime
 

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使用GNU parallel

使用GNU parallel