【ubuntu18.04】ubuntu18.04升级cmake-3.29.8及还原系统自带cmake操作说明

参考链接

cmake升级、更新（ubuntu18.04）-CSDN博客

升级cmake操作说明

下载链接

Download CMake

下载版本

下载软件包

cmake-3.30.3-linux-x86_64.tar.gz

拷贝软件包到虚拟机

 cp '/var/run/vmblock-fuse/blockdir/jrY8KS/cmake-3.29.8-linux-x86_64.tar.gz' .

解压软件包

tar -xvf cmake-3.29.8-linux-x86_64.tar.gz 

创建软链接

ln -sf /opt/cmake-3.29.8-linux-x86_64/bin/* /usr/bin/

 注意：

        需要绝对路径

查看cmake版本

root@w1804-virtual-machine:/opt# cmake --version
cmake version 3.29.8CMake suite maintained and supported by Kitware (kitware.com/cmake).

还原系统cmake操作说明

卸载cmake

apt-get remove cmake

root@w1804-virtual-machine:/opt# apt-get remove cmake
Reading package lists... Done
Building dependency tree       
Reading state information... Done
The following packages were automatically installed and are no longer required:cmake-data librhash0 libuv1
Use 'apt autoremove' to remove them.
The following packages will be REMOVED:cmake
0 upgraded, 0 newly installed, 1 to remove and 300 not upgraded.
After this operation, 17,5 MB disk space will be freed.
Do you want to continue? [Y/n] y
(Reading database ... 190833 files and directories currently installed.)
Removing cmake (3.10.2-1ubuntu2.18.04.2) ...
Processing triggers for man-db (2.8.3-2) ...

重新安装

 apt-get install cmake

root@w1804-virtual-machine:/opt# apt-get install cmake
Reading package lists... Done
Building dependency tree       
Reading state information... Done
Suggested packages:cmake-doc ninja-build
The following NEW packages will be installed:cmake
0 upgraded, 1 newly installed, 0 to remove and 300 not upgraded.
Need to get 0 B/3 152 kB of archives.
After this operation, 17,5 MB of additional disk space will be used.
Selecting previously unselected package cmake.
(Reading database ... 190821 files and directories currently installed.)
Preparing to unpack .../cmake_3.10.2-1ubuntu2.18.04.2_amd64.deb ...
Unpacking cmake (3.10.2-1ubuntu2.18.04.2) ...
Setting up cmake (3.10.2-1ubuntu2.18.04.2) ...
Processing triggers for man-db (2.8.3-2) ...

查看cmake版本

cmake --version

root@w1804-virtual-machine:/opt# cmake --version
cmake version 3.10.2CMake suite maintained and supported by Kitware (kitware.com/cmake).