command -v ifconfig >/dev/null 2>&1; then echo -e "\033[31mifconfig命令不存在,正在下载安装!\033[0m" if os="ubuntu"; then apt install -y net-tools >/dev/null 2>&1 elif os="centos"; then yum install -y net-tools >/dev/null 2>&1 elif os="fedora"; then dnf install -y...
通过RdbStore.query()获取resultSet对象,出现resultSet的rowCount返回结果为-1 如何读取本地/预制数据库 用sqlite开发时,怎么保证数据库同一时间只能支持一个写操作?怎么创建索引? 数据库查询失败 14800007 RdbStore多线程安全注意事项 KVStore的get批量获取[key,key]的values 数据库batchInsert和单个事务insert效...
2、在使用kubectl 自动补全报如下错误 报错:-bash: _get_comp_words_by_ref: command not found 解决方法:如果安装了bash-completion,还报上面的错误进行如下命令。 1 source/usr/share/bash-completion/bash_completion
Note: Ensure bash-completion package is already present on the system in order to get oc bash completions working.Root Cause OpenShift Linux Client /usr/bin/oc can be installed from atomic-openshift-clients.rpm package or simply extracted from tar.gz archive to any user directory. The package...
cli.knack.cli: Command arguments: ['storage', 'account', 'create', '--name', 'msdocssa00000000', '--resource-group', 'msdocs-rg-test', '--location', 'eastus', '--sku', 'Standard_RAGRS', '--kind', 'StorageV2', '--output', 'json', '--debug'] ... cli.azure.cli.core...
Bash's exit status is the exit status of the last command executed in the script. If no commands are executed, the exit status is 0. An attempt is first made to open the file in the current directory, and, if no file is found, then the shell searches the directories in PATH for ...
Version 3.7.2 2005/11/16 作者:Mendel Cooper mail:thegrendel@theriver.com 这本书假定你没有任何脚本或一般程序的编程知识,但是如果你有相关的知识,那么你将很容易 达到中高级的水平...all the while sneaking in little snippets of UNIX? wisdom and lor... ...
Let's practice one more basic Bash command:cd. While using the shell, you're always sitting inside a directory—just like a folder on your PC or Mac. To change folders, you use thecd(change directory) command. It's simple, but let's get some practice. ...
This limit for the length of a command is imposed by the operating system. You can check the limit for maximum arguments on your Linux system using this command: getconf ARG_MAX Which will return something like this: hydn@centos:~$getconf ARG_MAX2097152 ...
The following command uses the az storage container delete command to delete a single named container and then delete multiple containers in a loop. Azure CLI Copy az storage container delete \ --name $container Get list of containers containing a specific prefix and store results into a vari...