sudo apt-get update
sudo apt-get upgrade
命令行
,它的工作原理。
如果我把同一行的脚本文件maintain.script:
echo UPDATING SYSTEM SOFTWARE – UPDATE
sudo apt-get update
echo UPDATING SYSTEM SOFTWARE – UPGRADE
sudo apt-get upgrade
并运行:
sudo ./maintain.sh
我得到的错误:
E: Invalid operation update
E: Invalid operation upgrade
我已标记脚本作为可执行文件。
更新评论之后从FSQ
这里是脚本文件:
#!/bin/bash
echo "UPDATING SYSTEM SOFTWARE – UPDATE"
apt-get update
echo "UPDATING SYSTEM SOFTWARE – UPGRADE"
apt-get upgrade
echo "UPDATING SYSTEM SOFTWARE – DISTRIBUTION"
apt-get dist-upgrade
echo "REMOVING APPLICATION ORPHANS"
apt-get autoremove –purge
echo "UPDATING FIRMWARE"
rpi-update
下面是一个命令:
[email protected] ~/projects $ sudo ./maintain.sh
下面是结果:
: not foundsh: 1: ./maintain.sh: #!/bin/bash
UPDATING SYSTEM SOFTWARE – UPDATE
E: Invalid operation update
UPDATING SYSTEM SOFTWARE – UPGRADE
E: Invalid operation upgrade
UPDATING SYSTEM SOFTWARE – DISTRIBUTION
E: Invalid operation dist-upgrade
REMOVING APPLICATION ORPHANS
Reading package lists... Done
Building dependency tree
Reading state information... Done
E: Unable to locate package –purge
UPDATING FIRMWARE
: not foundsh: 11: ./maintain.sh: rpi-update