I’ve been looking at several linux projects here recently, such as LibreNMS, and you’ll need to be sure you are backing them up. I wanted to quickly backup a compressed copy of my LibreNMS install and so I went looking for a super easy way to... Read More | Share it now!
Tag: linux
Ansible 用 Vault 管理敏感资料
导入 Ansible 组态工具，多少会使用明文 (Plain text) 在 Playbooks 里存放敏感资料 (sensitive data) 1，更别说我们还会搭配 Git 版本系统使用，这很可能会造成潜在的资安风险！接下来冻仁将通过 Vault... Read More | Share it now!
Get video media information
Give mediainfo a try. On the command line type mediainfo input.mkv. For more detailed video information mediainfo --fullscan input.mkv. ... Read More | Share it now!
How to check if a variable is set in Bash?
where ${var+x} is a parameter expansion which evaluates to nothing if var is unset, and substitutes the string x otherwise. To check for non-null/non-zero string variable, i.e. if set, use It’s the opposite of -z. I find myself... Read More | Share it now!
差异两个rpms？ – linux
尝试使用pkgdiff来查看RPM包之间的差异： 如果比较SRC.RPM,那么该工具也将提取并比较内部tarball(除非定义了-skip-subarchives选项). ... Read More | Share it now!
How can I pass artifacts to another stage?
Use dependencies. With this config test stage will download the untracked files that were created during the build stage: ... Read More | Share it now!
Linux 之 shell 比较运算符
版权声明：本文为博主原创文章，遵循 CC 4.0 BY-SA... Read More | Share it now!
使用awk进行数字计算，保留指定位小数
https://blog.51cto.com/radish/1736900 对于在Shell中进行数字的计算，其实方法有很多，但是常用的方法都有其弱点： 1、bc bc应该是最常用的Linux中计算器了，简单方便，支持浮点。 看似在简单计算时候完美的bc，其实也有一个让我抓狂的地方，当然有可能有办法可以解决，只是我不知道而已，那就是……... Read More | Share it now!
How do I measure request and response times at once using cURL?
From this brilliant blog post… https://blog.josephscott.org/2011/10/14/timing-details-with-curl/ cURL supports formatted output for the details of the request (see the cURL manpage for details, under -w, –write-out... Read More | Share it now!