前言：
如今同学们对“ubuntuusr空间太小”大致比较珍视，大家都想要分析一些“ubuntuusr空间太小”的相关知识。那么小编也在网上搜集了一些有关“ubuntuusr空间太小””的相关文章，希望小伙伴们能喜欢，朋友们快快来学习一下吧！安装 ubuntu 系统之后，需要安装一些工具软件
以下都是用 root 账号登录操作的；
1、apt-get update
2、apt install net-tools，方便查看 ip 地址（ifconfig）
root@ubuntu:/# apt install net-toolsReading package lists... DoneBuilding dependency tree Reading state information... DoneThe following NEW packages will be installed: net-tools0 upgraded, 1 newly installed, 0 to remove and 232 not upgraded.Need to get 196 kB of archives.After this operation, 864 kB of additional disk space will be used.Get:1 focal/main amd64 net-tools amd64 1.60+git20180626.aebd88e-1ubuntu1 [196 kB]Fetched 196 kB in 2s (106 kB/s) Selecting previously unselected package net-tools.(Reading database ... 178987 files and directories currently installed.)Preparing to unpack .../net-tools_1.60+git20180626.aebd88e-1ubuntu1_amd64.deb ...Unpacking net-tools (1.60+git20180626.aebd88e-1ubuntu1) ...Setting up net-tools (1.60+git20180626.aebd88e-1ubuntu1) ...Processing triggers for man-db (2.9.1-1) ...root@ubuntu:/#
3、安装 ssh 服务，apt-get install openssh-server、apt-get install openssh-client
root@ubuntu:/# root@ubuntu:/# ps -aux | grep sshmfz 1624 0.0 0.0 6032 456 ? Ss 17:34 0:00 /usr/bin/ssh-agent /usr/bin/im-launch env GNOME_SHELL_SESSION_MODE=ubuntu /usr/bin/gnome-session --systemd --session=ubunturoot 4483 0.0 0.0 17664 668 pts/0 S+ 17:46 0:00 grep --color=auto sshroot@ubuntu:/# root@ubuntu:/# root@ubuntu:/# apt-get install openssh-serverReading package lists... DoneBuilding dependency tree Reading state information... DoneThe following additional packages will be installed:root@ubuntu:/# root@ubuntu:/# ps -aux | grep sshmfz 1624 0.0 0.0 6032 456 ? Ss 17:34 0:00 /usr/bin/ssh-agent /usr/bin/im-launch env GNOME_SHELL_SESSION_MODE=ubuntu /usr/bin/gnome-session --systemd --session=ubunturoot 4902 0.0 0.3 12160 6880 ? Ss 17:47 0:00 sshd: /usr/sbin/sshd -D [listener] 0 of 10-100 startupsroot 6131 0.0 0.0 17664 660 pts/0 S+ 17:47 0:00 grep --color=auto sshroot@ubuntu:/#
4、安装 vim，apt-get install vim
5、ubuntu 安装/卸载 ssh 服务
安装命令：sudo apt-get install openssh-server
卸载命令：sudo apt-get remove openssh-server
service ssh start 开启ssh服务
service ssh stop 停止ssh服务
service ssh restart 重启ssh服务
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