在Linux中,有关这些版本的“tar”命令:
tar -tzf /path/to/filename.tar.gz # Show the content
tar -xzf /path/to/filename.tar.gz # Extract the content
观察这两个命令使用z选项,很好,它们按照预期工作。
通过man tar,关于z选项,它指示:
-z, --gzip, --gunzip, --ungzip
Filter the archive through gzip(1).
问题
为什么tar命令通过'z'选项使用gzip命令?
E
Reading package lists... Done
Building dependency tree
Reading state information... Done
0 upgraded, 0 newly installed, 0 to remove and 0 not upgraded.
3 not fully installed or removed.
After this operation, 0 B of additional disk space will be used.
Do you want to continue [Y/n]? y
Setting u
带ubuntu 16.04的副总裁。使用Apache,PHP-5.6 (active)和7.0的两个版本。我需要为PHP5.6安装SOAP模块。命令:
apt-get install php-soap
The following packages were automatically installed and are no longer required:
libssl1.0.2 linux-headers-4.4.0-108 linux-headers-4.4.0-108-generic linux-headers-4.4.0-21 linux-headers-4.4.0-21-ge
我试图从控制台使用install.packages(" twitteR ")在Rstudio中安装twitteR包,但我使用的总是fails.the OS is ubuntu,下面是我发出命令后显示的消息: >install.packages("twitteR")
Installing package into ‘/home/siddhinath/R/x86_64-pc-linux-gnu-library/3.4’
(as ‘lib’ is unspecified)
also installing the dependencies ‘curl’, ‘ht
大家好,我试着安装IB软件,但我面临一个问题,我不知道是什么!!
这里的安装过程:
从下载TWS
chmod u+x tws-最新-linux-x64.sh
./tws-最新-linux-x64.sh
面对的错误:
No suitable Java Virtual Machine could be found on your system.
Downloading JRE with wget ...
--2017-11-11 13:26:12-- https://download2.interactivebrokers.com/installers/jres/linux-