## Intro to Prometheus With a dash of operations & observability ## Richard Hartmann & Frederic Branczyk @TwitchiH & @fredbrancz 2018-12-12 ## Who are we? ## Richard "RichiH" Hartmann

Welcome to Ubuntu Use the Launcher to start applications Find apps, files, music, and more with the Dash Manage apps & settings with the menu bar Log out, power off, switch users Desktop, apps & Welcome to Ubuntu Use the Launcher to start applications Find apps, files, music, and more with the Dash Manage apps & settings with the menu bar Log out, power off, switch users Desktop, apps Networking gives you quick access to the applications you use most often. Learn more about the Launcher. ## The Dash The Ubuntu Button sits near the top left corner of the screen and is always the top item in the Launcher

Path(exists=False, file_okay=True, dir_okay=True, writable=False, readable=True, resolve_path=False, allow_dash=False, path_type=None) The path type is similar to the File type but it performs different checks perform various basic checks about what the file or directory should be. Changed in version 6.0: allow_dash was added. Parameters • exists – if set to true, the file or directory needs to exist for this passed onwards. This means that it’s absolute and symlinks are resolved. • allow_dash – If this is set to True, a single dash to indicate standard streams is permitted. - type – optionally a string type that

Cap StyleChoose the cap style of the line.Dash StyleChoose the dash style of the line.Join StyleChoose the join style of the Cap StyleChoose the cap style of the line.Dash StyleChoose the dash style of the line.Join StyleChoose the join style of the Cap StyleChoose the cap style of the line.Dash StyleChoose the dash style of the line.Join StyleChoose the join style of the

Cap StyleChoose the cap style of the line.Dash StyleChoose the dash style of the line.Join StyleChoose the join style of the Cap StyleChoose the cap style of the line.Dash StyleChoose the dash style of the line.Join StyleChoose the join style of the Cap StyleChoose the cap style of the line.Dash StyleChoose the dash style of the line.Join StyleChoose the join style of the

Cap StyleChoose the cap style of the line.Dash StyleChoose the dash style of the line.Join StyleChoose the join style of the Cap StyleChoose the cap style of the line.Dash StyleChoose the dash style of the line.Join StyleChoose the join style of the Cap StyleChoose the cap style of the line.Dash StyleChoose the dash style of the line.Join StyleChoose the join style of the

width, before beveling the join instead. ## • dashPhase Starting offset for dash pattern. ## • dashes Array of on/off dash lengths. {dashes:[5,10], lineWidth:3, lineCap:'Round'} #### 6.4.6 Outline the number of items in the border dash pattern. Returns Integer. var dashCount = annotation.getBorderDashCount(); ## getBorderDashItem(i) Returns the length of dash pattern item i. var length = annotation annotation border dash pattern to the given array of dash item lengths. The supplied array represents the respective line stroke and gap lengths, e.g. $ [1, 1] $ sets a small dash and small gap, $ [2

width, before beveling the join instead. ## • dashPhase Starting offset for dash pattern. ## • dashes Array of on/off dash lengths. {dashes:[5,10], lineWidth:3, lineCap:'Round'} #### 6.4.6 Outline the number of items in the border dash pattern. Returns Integer. var dashCount = annotation.getBorderDashCount(); ## getBorderDashItem(i) Returns the length of dash pattern item i. var length = annotation the annotation border dash pattern to the given array of dash item lengths. The supplied array represents the respective line stroke and gap lengths, e.g. $ [1,1] $ sets a small dash and small gap, $ [2

line width, before beveling the join instead. • dashPhase Starting offset for dash pattern. • dashes Array of on/off dash lengths. ## Example: {dashes:[5,10], lineWidth:3, lineCap:'Round'} getBorderDashCount() Returns the number of items in the border dash pattern. Returns Integer. ## getBorderDashItem(i) Returns the length of dash pattern item i. ## Arguments • i – Integer Item index. the annotation border dash pattern to the given array of dash item lengths. The supplied array represents the respective line stroke and gap lengths, e.g. $ [1,1] $ sets a small dash and small gap, $ [2

ments/6/a/6/e/6a6e60a9c08bc59ba48b00c2ae3b52ea/p9_1.jpg) ## 范例：重构 dash ① 安装构建 dash 需要的软件包，以及 devscripts sudo apt-get build-dep dash (需要在 /etc/apt/sources.list) 文件里加上 deb-src 的相关地址内容 sudo apt-get install /tmp/debian-tutorial ; cd /tmp/debian-tutorial ## ③ 获取 dash 的源码包 apt-get source dash (需要在 /etc/apt/sources.list 文件里加上 deb-src 的相关地址内容) 4 构建软件包 cd dash-* debuild -us -uc (-us -uc 指不将软件包标记为 GPG) ⑤ 检查命令是否正常运作