To check the free disk space and disk capacity using Disk Usage Analyzer: Open Disk Usage Analyzer from the Activities overview. The window will display a list of file locations together with the usage and capacity of each. Click one of the items in the list to view a detailed summary of ...
源的修改有两种方式:通过修改源列表,即/etc/apt/sources.list。通过apt-add-repository命令。这里我修...
… logging to /home/hyj/.ros/log/b76e3992-e577-11eb-bf00-00e04c360b88/roslaunch-hyjlaptop-20795.log Checking log directory for disk usage. This may take a while. Press Ctrl-C to interrupt Done checking log file disk usage. Usage is <1GB. started roslaunch server http://hyjlaptop:...
the utility shows the disk space usage for all databases. Sizes displayed without a unit indicator (such as MB) are in bytes. The utility determines the location of the data directory by requesting it from the server. For a local server, the utility obtains size information directly from file...
Now we can examine themediadirectory and see the list of files, from largest to smallest. For example, right at the top, theMoonandSeaHDFInalRender.movtakes up almost half of the 1.2GB disk usage we saw earlier. This is a simplified example of how you would keep repeating this process ...
# string debconf-set partman-auto/disk "\$(list-devices disk | head -n1)" # This command is run just before the install finishes, but when there is # still a usable /target directory. You can chroot to /target and use it # directly, or use the apt-install and in-target commands...
sudo cp /etc/apt/sources.list /mnt/etc/apt/ 2.3 配置DNS 进入目标环境需要联网,需要先配置DNS,拷贝宿主系统文件/etc/resolv.conf到/mnt/etc/目录下: sudo cp /etc/resolv.conf /mnt/etc/ 2.3 配置用户创建默认配置文件 ubuntu-base默认只有root用户,如果需要像普通ubuntu那样可随意创建普通用户,需要向Ub...
du: Disk usage 硬盘使用率 chown: Change owner 改变所有者 chgrp: Change group 改变用户组 ps:Process Status 进程状态 tar:Tape archive 解压文件 chmod: Change mode 改变模式 umount: Unmount 卸载 ldd:List dynamic dependencies 列出动态相依 insmod:Install module 安装模块 ...
Checking log directory for disk usage. This may take awhile. Press Ctrl-C to interrupt Done checking log file disk usage. Usage is <1GB. started roslaunch server http://ubuntu:32889/ ros_comm version 1.14.3 SUMMARY === PARAMETERS * /ros...
ubuntu-base中有默认ubuntu官方源,如果连接上互联网且访问官方源速度不受限制的话不需要更换。配置文件/etc/apt/sources.list更换源,本文宿主系统与要构建的系统硬件架构及版本一致,所以直接拷贝即可。 sudo cp/etc/apt/sources.list/mnt/etc/apt/ 2.3 配置DNS ...