To ensure that the disk usage command has the requiredroot user permissionsto read the directories you are pointing it to, you can prefix anyducommand withsudo. sudo du Below is an example of the output you might get running the command to check the disk space on the home directory of a...
1. 使用命令行查看版本 (Using the Command Line to Check Version) 命令行是Linux用户常用的工具之一,通过命令行可以快速查看系统信息。以下是几种常用的命令来检查Ubuntu版本。 1.1. lsb_release命令 (Using the lsb_release Command) lsb_release是一个常用的命令,可以显示Linux标准库的版本信息。要查看Ubuntu版本...
Step 2. Use the df Command Root Volume To check disk space usage for the root volume mounted at /: $ df -h / The -h option tells the command to show "human friendly" output (using familiar units like Gi for Gibibytes/Gigabytes and Mi for Mebibytes/Megabytes). The / tells df to...
pwd:查看当前所在文件夹。 clear:清空屏幕。 rm:删除文件。 rm -r:删除文件夹。 command --help:显示command命令的帮助信息。 man command:查询command命令的使用手册。 空格键:显示手册的下一屏。 Enter键:一次滚动手册页的一行。 b:回滚一屏。 f:前滚一屏。 q:退出。 ls -a:查看所有文件,包括隐藏文件。
rsync-rv--copy-links/data-need-backup/disk2/data-backup # 将本地数据备份至其他设备 rsync-rv--copy-links/data-need-backup soulteary@10.11.12.13:/data-backup 如果你使用Docker,你可以选择参考《提升 Docker Desktop For macOS 磁盘使用率》[1]一文中提到的系统中的 Docker 镜像批量保存方案: ...
# 修改前分区状态$ lsblkNAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINTSsda8:0025G0disk├─sda18:101M0part├─sda28:201.8G0part /boot└─sda38:3014.2G0part└─ubuntu--vg-ubuntu--lv253:0014.2G0lvm /# 开始分区$sudofdisk/dev/sdaCommand(mforhelp): m#查看帮助Help:GPTM enter protective/hybrid MBR...
alias :Create your own name for a command bash :GNU Bourne-Again Shell linux内核 grep:global regular expression print httpd :Start Apache ipcalc :Calculate IP information for a host ping :Send ICMP ECHO_Request to network hosts reboot: Restart your computer ...
Command 'roscore' not found, but can be installed with: sudo apt install python3-roslaunch 解决: sudo apt install python3-roslaunch error2: Checking log directory for disk usage. This may take awhile. Press Ctrl-C to interrupt Done checking log file disk usage. Usage is <1GB. ...
Ubuntu使用APT Command(高级软件包工具)进行包管理,如安装、删除、搜索等。默认情况下,每个Linux操作系统都会在其各自的目录中保留已下载和安装的包的缓存,Ubuntu也会这样做,它会保留下载的每个更新并安装在磁盘上的缓存中,Ubuntu系统在/var/cache/apt/archives目录中保留DEB包的缓存,随着时间的推移,此缓存可以快速增长...
["$1"] )) } fstype_has_fsck() { (( fsck_types["$1"] )) } usage() { cat <<EOF usage: ${0##*/} chroot-dir [command] -h Print this help message -u <user>[:group] Specify non-root user and optional group to use If 'command' is unspecified, ${0##*/} will launch /...