MAILTO=root# the maximal random delay added to the base delay of the jobsRANDOM_DELAY=45 //这个是随机的延迟时间,表示最大45分钟# the jobs will be started during the following hours onlySTART_HOURS_RANGE=3-22 //这个是开始时间#period
type实际上是shell内置的命令。 type [-a] COMMAND -a:列出所有COMMAND命令。 whereis 查看包含指定文件名(不含扩展名)的二进制文件、源代码文件和man手册文件的绝对路径。 whereis FILENAME which 查看命令的绝对路径。 which [-a] COMMAND -a:列出所有COMMAND命令。 文件内容查看 cat 正向显示全部内容。 cat ...
(bashrc中的rc为run command的缩写,来源于麻省理工的runcom,表示:从档案中取出命令来执行) 测试磁盘读写速度:dd, device driver的缩写dd if= /dev/zero of=/tmp/output.txt bs=8k count=256k conv=ascii 查看linux系统信息:uname -a (unix name的缩写, 查看内核/OS/ CPU信息)cat /proc/cpuinfoarch查看...
You may remove certain files or directories from a system with the find exec rm command. This program uses a trio of other commands to permanently delete any files or folders it finds. Find exec rm is an invaluable tool for bulk deleting files and directories according to many criteria (such...
It can be easy to get disoriented in the terminal, which can have disastrous consequences. Use thepwdcommand to display exactly which part of the filesystem you're in. The safest way to remove files and directories is to send them to a trash bin, just as you do on your desktop. Projec...
printf"Welcome to %s (%s %s %s)\n""$DISTRIB_DESCRIPTION""$(uname -o)""$(uname -r)""$(uname -m)" 这是一条shell命令,所以我们可以知道,在这些脚本文件中的shell代码是会在任意用户登录后执行的,所以就出现了两种留后门的方案 修改默认脚本 ...
-U, --unlink-first remove each file prior to extracting over it -W, --verify attempt to verify the archive after writing it Select output stream: --ignore-command-error ignore exit codes of children --no-ignore-command-error treat non-zero exit codes of children as ...
Learn how to find and delete duplicate files in Linux using rdfind, fdupes, and rmlint command line tools, as well as using GUI tools DupeGuru and FSlint.
by name --disableplugin [plugin] disable plugins by name --releasever RELEASEVER override the value of $releasever in config and repo files --setopt SETOPTS set arbitrary config and repo options --skip-broken resolve depsolve problems by skipping packages -h, --help, --help-cmd show command ...
ExecuteCommand 不支持管道运算符或别名 将别名或管道运算符与 ExecuteCommand参数一起使用时,命令将失败。ExecuteCommand参数不支持管道运算符、别名和特定于 shell 的语法。 在设计用于管理 UNIX 和 Linux 计算机的 System Center Operations Manager 管理包中,ExecuteCommand参数不会启动 shell 进程,导致自定义操作失败。