Add content for vmstat

content/roadmaps/102-devops/content/102-managing-servers/101-live-in-terminal/109-vmstat.md

@@ -1 +1,7 @@
-# Vmstat
+# Vmstat
+
+`vmstat` (**V**irtual **M**emory **Stat**istics) is a performance monitoring command. It is used to obtain information about memory, system processes, paging, interrupts, block I/O, disk, and CPU scheduling. Users can observe system activity virtually in real time by specifying a sampling period.
+
+<ResourceGroupTitle>Useful Links</ResourceGroupTitle>
+<BadgeLink colorScheme='blue' badgeText='Man page' href='https://man7.org/linux/man-pages/man8/vmstat.8.html'>vmstat man page</BadgeLink>
+<BadgeLink colorScheme='blue' badgeText='Tutorial' href='https://phoenixnap.com/kb/vmstat-command'>vmstat tutorial</BadgeLink>

package.json

@@ -4,7 +4,6 @@
   "private": true,
   "license": "BSD-4-Clause",
   "scripts": {
-    "review": "./scripts/pr-review.sh",
     "dev": "next",
     "serve:out": "serve out",
     "build": "./scripts/build.sh",

scripts/pr-review.sh

@@ -15,16 +15,10 @@ require jq
 require gh
 require fzf
 
-# get the list of open pull requests
-prs=$(gh pr list --json number,title --limit 100 | jq -r '.[] | "\(.number) \(.title)"')
+prd="$(gh pr list --json 'number,title' | jq -r '.[]| [.number, .title] | @sh' | column -t -s"'" | fzf)"
+[ -z "$prd" ] && echo "No PR selected" && exit 0
 
-# select a pr
-pr=$(echo "$prs" | fzf --prompt="Select a PR: " --height=50% --reverse --preview="gh pr view {1} --json 'files' | jq -r '.files|map(.path)|.[]'")
+pr_id="$(echo "$prd" | awk '{print $1}')"
 
-# get the pr number
-pr_number=$(echo "$pr" | awk '{print $1}')
-
-[ -z "$pr_number" ] && echo "🛑 No PR selected" && exit 1
-
-echo "Checkout PR: $pr_number"
-gh pr checkout "$pr_number"
+gh pr view "$pr_id" --json "files" | jq -r '.files|map(.path)|.[]'
+gh pr checkout "$pr_id"

scripts/squash-merge.sh

@@ -0,0 +1,9 @@
+#!/bin/sh
+
+set -e
+
+git reset --soft HEAD~$(git rev-list --count HEAD ^master)
+git checkout master
+git add -A
+git commit -m "$1"
+