This guide introduces 60 essential Linux commands, providing a foundation for beginners and a pathway to becoming a skilled system administrator. These commands cover a wide range of functions, from navigating directories and managing files to performing advanced system operations. Whether you’re just ...
string:^ 从命令历史中搜索以 string 开头的命令,并获取它的第一个参数 command !string:$ 从命令历史中搜索以 string 开头的命令,并获取它的最后一个参数 command !string:* 从命令历史中搜索以 string 开头的命令,并获取它的所有参数 command !string:n 从命令历史中搜索以 string 开头的命令,并获取它的第n...
o A unique identifier (a short string, such as id in the previous example) o The applicable runlevel number(s) o The action that init should take (default runlevel to 5 in the previous example) o A command to execute (optional) o 唯一标识符(一个短字符串,例如前面示例中的id) o 适用...
A shell script is a series of commands written in a file; the shell reads the commands from the file just as it would if you typed them into a terminal. 如果你能在 shell 中输入命令,你就能编写 shell 脚本(也称为 Bourne shell 脚本)。 shell 脚本是写在文件中的一系列命令;shell 会从文件...
(默认) --suffix=STRING 在删除前备份,除非被环境变量 SIMPLE_BACKUP_SUFFIX 覆盖,否则覆盖常用后缀(‘’) -T, --files-from=FILE 从 FILE 中获取文件名来解压或创建文件 --unquote unquote input file or member names (default) -X, --exclude-from=FILE 排除 FILE 中列出的模式串 文件名变换: --strip...
| Pipe. This is a method of chaining commands together. Connects the output (stdout) of command1 to the input (stdin) of command2. Each command reads the previous command’s output. |& This operator connects the output (stdout) and error (stderr) of command1 to the input (stdin) of...
perf利用Linux的trace特性,可以用于实时跟踪,统计event计数(perf stat);或者使用采样(perf record),报告(perf report|script|annotate)的使用方式进行诊断。 perf命令行接口并不能利用所有的Linux trace特性,有些trace需要通过ftrace接口得到。 参考https://github.com/brendangregg/perf-tools ...
config.status: executing libtool commands 4. 接下来就比较简单了一次输入一下命令即可完成 make # 这条指令执行时间比较长,请耐心等待 make install # 将编译链接完成后的gsl项目安装到之前指定的文件夹(此处是/home/yumeng/gsl-install) 5. 将gsl-install文件夹拷贝项目中即可,记得编译的时候加入对应的静态库路...
(on|off) nv set system aaa nv set system aaa user <user-id> nv set system aaa user <user-id> ssh nv set system aaa user <user-id> ssh authorized-key <ssh-authorized-key-id> nv set system aaa user <user-id> ssh authorized-key <ssh-authorized-key-id> key <key-string> nv set...
# will report RAM used by all httpd process together. In detail it reports: # sum(private RAM for program processes) + sum(Shared RAM for program processes) # The shared RAM is problematic to calculate, and this script automatically