我正在尝试写一个命令,它将获得每个平台的最后一个数字,并将它们相加,然后将该数字保存为变量。例如,对于下面随机文件中的"AIX“,我希望能够提取1和115,并将116保存为变量。然后,对于"Linx“,我想保存2、16、18、96和1,并将和保存为另一个变量。
cat randomfile.txt:
AIX,5.5.3-0,1
AIX,6.2.1-0,115
Linux x86-64,6.4.0-0,2
Linux x86-64,6.4.0-1,16
Linux x86-64,7.1.2-0,18
Linux86,6.1.3-4,96
Linux86,6.2.5-0,1
我能
# sfdisk /dev/mmcblk0p1
Welcome to sfdisk (util-linux 2.29.2).
Changes will remain in memory only, until you decide to write them.
Be careful before using the write command.
Checking that no-one is using this disk right now ... FAILED
This disk is currently in use - repartitioning is probably a b
我按照这里列出的步骤来尝试让我的WD Passport Wireless Pro 3TB HDD与Lubuntu18.04:http://tutodir.com/how-to-mount-wd-my-passport-wireless-pro-on-ubuntu/一起工作
我在下面遇到标题错误:
owner@G700:~$ sudo mkdir /mnt/MyPassport
owner@G700:~$ sudo mount -t cifs -o guest //MyPassportIP/MyPassport /mnt/MyPassport
mount error: could not res
我正在运行一个阿尔卑斯linux,并试图安装radare2。我下载了git,然后运行了install.sh脚本。在遇到错误之前,它似乎运行良好:
In file included from p/native/linux/linux_debug.c:6:
/home/nomad/GitRepos/radare2/libr/include/r_debug.h:609:115: note: expected 'r_ptrace_data_t' {aka 'int'} but argument is of type 'void *'
static in
我正在尝试使用bazel构建一个现有的项目,但却对表单感到不满。
ERROR: .../BUILD:115:1: Couldn't build file xxx.o: undeclared inclusion(s) in rule '@yyy:
this rule is missing dependency declarations for the following files included by zzz.c':
'/usr/lib/gcc/x86_64-linux-gnu/7/include/stddef.h'
'/usr/lib/gcc
我有一个打印机‘爱普生斯泰勒斯Sx115’插入我的USB端口。
因为它是在lsusb中列出的,所以被检测到。
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 003 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 004 Device 001: ID 1d6b:0001 Linux Foundation 1.1 ro