We found, reading thexbits, that the filea.outmay be executed by its owner,joe, the members of thejoegroup, andothers. Now let’s perform a similar check,but with thetest [command: $ if [ -x a.out ]; then echo "File is executable"; else echo "File is not executable"; fi Fil...
检查启动报错:ConditionFileIsExecutable=!/usr/sbin/chronyd was not met(不满足“不存在/usr/sbin/chronyd”),故cd /usr/sbin/,发现存在可执行文件chronyd 修改chronyd文件名后解决(删除应该也可以) mv chronyd chronyd-bak
方法2:使用pgrep或pidof命令 可以通过查找服务对应的进程ID(PID)来判断服务是否运行: #!/bin/bash SERVICE_NAME="your_service_executable_name" # 使用pgrep命令检查服务进程是否存在 ifpgrep -x"$SERVICE_NAME"> /dev/null;then echo"$SERVICE_NAMEis running." else echo"$SERVICE_NAMEis not running." fi...
-s FILE - True if the FILE exists and has nonzero size. -u FILE - True if the FILE exists and set-user-id (suid) flag is set. -w FILE - True if the FILE exists and is writable. -x FILE - True if the FILE exists and is executable.Conclusion...
Not a directory, Is a directory 不是一个目录,是一个目录 These messages pop up when you try to use a file as a directory or a directory as a file. For example: 当您尝试将文件用作目录或将目录用作文件时,这些消息会弹出。例如:
Directories also have permissions. You can list the contents of a directory if it’s readable, but you can only access a file in a directory if the directory is executable. (One common mistake people make when setting the permissions of directories is to accidentally remove the execute permissi...
如果有人问我,程序员做的事,最没实际价值,最容易让用户不爽的是什么?回答: —— 安全如果有人问我,程序员做的事,最必要的是什么?回答: —— 安全如果有人问...
This chapter is a guide to the Unix commands and utilities that will be referenced throughout this book. This is preliminary material, and you may ...
-x, --executable executable :搜索与给定可执行名称匹配的事件。 示例说明: #1.搜索id为0的审计操作记录 ausearch-ui0 #time->FriMar416:01:262022 #type=PROCTITLEmsg=audit(1646380886.973:2764027):proctitle="/usr/libexec/fwupd/fwupd" #type=SYSCALLmsg=audit(1646380886.973:2764027):arch=c000003esyscall=...
Check that target executable exists 判断这个实际的目标文件是否存在且是可执行文件 if [ ! -x "$PRGDIR"/"$EXECUTABLE" ]; then echo "Cannot find $PRGDIR/$EXECUTABLE"echo "This file is needed to run this program"exit 1 fi 执行目标文件 exec "$PRGDIR"/"$EXECUTABLE" stop "$@"...