new and renamed files (#14)

invad0r · 0xdnL · Aug 2, 2019 · Aug 2, 2019 · Aug 2, 2019 · Aug 2, 2019
commit 64b6f123c56730087feaef9ed2dfbdc4b73d706a
diff --git a/notes/bash test [.md b/notes/bash test [.md
diff --git a/notes/bash test.md b/notes/bash test.md
@@ -0,0 +1,99 @@
+---
+tags: [shell/bash/builtin]
+title: bash test
+created: '2019-07-30T06:19:49.021Z'
+modified: '2022-06-02T12:09:52.169Z'
+---
+
+# bash test
+
+> evaluate conditional expression - `[` synonym for `test` where last argument of opening `[` must be a literal `]`
+
+## operators
+
+```sh
+-a            # and operator inside a test conditional expression
+-o            # or operator inside a test conditional expression
+
+-z STRING     # true if string is empty
+-n STRING     # true if string is not empty
+
+-o OPTION      # true if the shell option OPTION is enabled
+-v VAR         # true if the shell variable VAR is set
+-R VAR         # true if the shell variable VAR is set and is a name reference
+
+-a FILE       # true if file exists
+-e FILE       # true if file exists
+-b FILE       # true if file is block special
+-c FILE       # true if file is character special
+-d FILE       # true if file is a directory
+-f FILE       # true if file exists and is a regular file
+-g FILE       # true if file is set-group-id
+-h FILE       # true if file is a symbolic link
+-L FILE       # true if file is a symbolic link
+-k FILE       # true if file has its `sticky' bit set
+-p FILE       # true if file is a named pipe
+-r FILE       # true if file is readable by you
+-s FILE       # true if file exists and is not empty
+-S FILE       # true if file is a socket
+-t FD         # true if FD is opened on a terminal
+-u FILE       # true if the file is set-user-id
+-w FILE       # true if the file is writable by you
+-x FILE       # true if the file is executable by you
+-O FILE       # true if the file is effectively owned by you
+-G FILE       # true if the file is effectively owned by your group
+-N FILE       # true if the file has been modified since it was last read
+```
+
+## usage
+
+```sh
+help test
+help [
+
+
+[ CMD ] && CMD || CMD
+
+[ "$(echo 'ok')" ] && { echo 'success'; echo 'success'; } || { echo 'fail'; echo 'fail'; }    # notic space between curly-braces
+
+test 3 == "$(kustomize build $OVERLAYS/staging | grep 5276h4th55 | wc -l)"; echo "$?"
+
+if [ CMD ]; then CMD; fi
+
+[ STRING1 =  STRING2 ]        # STRING1 matches STRING2
+[ STRING1 != STRING2 ]        # STRING1 does not match STRING2
+[ STRING1 <  STRING2 ]        # STRING1 is less STRING2
+[ STRING1 >  STRING2 ]        # STRING1 is greater than STRING2
+
+[ test -n STRING1 ]           # STRING1 is non-zero length (has length greater than 0)
+[ test -z STRING1 ]           # STR1 is zero-length (has length 0)
+
+[[ STRING1 == "STRING2" ]]    # variables don't have to be quoted => Bash performs word splitting and pathname expansion
+[[ STRING1 =  "STRING2" ]]    # variables don't have to be quoted
+[ "STRING1" == "STRING2" ]    # no word splitting and pathname expansion
+[ "STRING1" =  "STRING2" ]
+
+
+[ FILE1 -nt FILE2 ]          # FILE1 is newer than FILE2
+[ FILE1 -ot FILE2 ]          # FILE1 is older than FILE2
+
+# integer - INT1 and INT2 may be positive or negative
+[ INT1 -lt INT2 ]            # less than
+[ INT1 -le INT2 ]            # less than or equal
+[ INT1 -eq INT2 ]            # equal
+[ INT1 -ge INT2 ]            # greater than or equal
+[ INT1 -gt INT2 ]            # greater than
+[ INT1 -ne INT2 ]            # not equal
+
+[ INT1 <= INT2 ]               # INT1 is less than or equal to INT2
+[ INT1 >= INT2 ]               # INT1 is greater than or equal to INT2
+```
+
+## see also
+
+- [[bash [ []]
+- [[bash built-in vs keyword]]
+- [[bash if]]
+- [[bash arithmetic]]
+- [tldp.org/LDP/abs/html/comparison-ops.html](https://tldp.org/LDP/abs/html/comparison-ops.html)
+- [How to check if a variable is set in Bash?](https://stackoverflow.com/questions/3601515/how-to-check-if-a-variable-is-set-in-bash)
diff --git a/notes/cdk.md b/notes/cdk.md
@@ -0,0 +1,55 @@
+---
+title: cdk
+created: '2022-09-27T06:58:06.755Z'
+modified: '2022-11-23T08:36:59.573Z'
+---
+
+# cdk
+
+## install
+
+```sh
+npm install -g aws-cdk             # install latest version
+npm install -g aws-cdk@X.YY.Z      # install specific version
+```
+
+## usage
+
+```sh
+cdk list          # lists stacks in app
+cdk ls
+
+cdk synthesize    # synthesizes and prints the cloudformation template for the specified stack(s)
+cdk synth
+
+cdk bootstrap     #	deploys cdk toolkit staging stack
+
+cdk deploy        #	deploys specified stack(s)
+
+cdk destroy       #	destroys specified stack(s)
+
+npm run --silent cdk -- destroy --ci STACK
+
+cdk diff          #	compares specified stack and its dependencies with deployed stack(s) or a local cloudformation template
+
+npm run --silent cdk -- diff --ci -e STACK
+
+cdk metadata      # displays metadata about the specified stack
+
+cdk init          #	creates a new cdk project in the current directory from a specified template
+
+cdk context       #	manages cached context values
+
+cdk docs (doc)    #	opens the cdk api reference in your browser
+
+cdk doctor        #	checks your cdk project for potential problems
+```
+
+## see also
+
+- [[aws]]
+- [[cfn]]
+- [[node]]
+- [[npm]]
+- [[terraform]]
+- [[iac]]
diff --git a/notes/cfn.md b/notes/cfn.md
@@ -0,0 +1,28 @@
+---
+title: cfn
+created: '2022-09-27T06:56:03.247Z'
+modified: '2022-09-27T07:09:26.798Z'
+---
+
+# cfn
+
+> `cloudFormation cli` allows you to author your own resource providers, hooks, and modules that can be used by cloudformation
+
+## install
+
+```sh
+brew install cloudformation-cli
+```
+
+## usage
+
+```sh
+cfn
+```
+
+## see also
+
+- [docs.aws.amazon.com/cloudformation-cli/latest/userguide/resource-type-cli](https://docs.aws.amazon.com/cloudformation-cli/latest/userguide/resource-type-cli.html)
+- [[aws]]
+- [[terraform]]
+- [[cdk]]
diff --git a/notes/ecs-cli.md b/notes/ecs-cli.md
@@ -0,0 +1,28 @@
+---
+title: ecs-cli
+created: '2022-09-30T07:14:13.775Z'
+modified: '2022-11-23T08:35:21.222Z'
+---
+
+# ecs-cli
+
+## install
+
+```sh
+brew install amazon-ecs-cli
+```
+
+## usage
+
+```sh
+aws ecs list-clusters --region eu-central-1 | jq -r '.clusterArns[]'
+
+ecs-cli ps --cluster CLUSTER_ARN
+
+ecs-cli ps --cluster CLUSTER_ARN --desired-status RUNNING 
+```
+
+## see also
+
+- [[aws]]
+- [[session-manager-plugin]]
diff --git a/notes/infrastructure as code.md → notes/iac.md b/notes/infrastructure as code.md → notes/iac.md
@@ -1,11 +1,13 @@
 ---
 tags: [Notebooks]
-title: infrastructure as code
+title: iac
 created: '2019-07-30T06:19:49.081Z'
-modified: '2022-04-06T11:34:41.761Z'
+modified: '2022-10-17T10:55:16.675Z'
 ---
 
-# infrastructure as code
+# iac
+
+> infrastructure as code
 
 ## pets vs cattle
 
@@ -25,6 +27,7 @@ modified: '2022-04-06T11:34:41.761Z'
 
 ## see also
 
+- [[12 factor app]]
 - [[gitops]]
 - [[terraform]]
 - [[aws cloudformation]]

diff --git a/notes/kubectl krew.md b/notes/kubectl krew.md
@@ -0,0 +1,65 @@
+---
+title: kubectl krew
+created: '2022-06-27T06:44:31.241Z'
+modified: '2022-11-23T08:33:45.066Z'
+---
+
+# kubectl krew
+
+> plugin manager for [[kubectl]]
+
+## install
+
+```sh
+(
+  set -x; cd "$(mktemp -d)" &&
+  OS="$(uname | tr '[:upper:]' '[:lower:]')" &&
+  ARCH="$(uname -m | sed -e 's/x86_64/amd64/' -e 's/\(arm\)\(64\)\?.*/\1\2/' -e 's/aarch64$/arm64/')" &&
+  KREW="krew-${OS}_${ARCH}" &&
+  curl -fsSLO "https://github.com/kubernetes-sigs/krew/releases/latest/download/${KREW}.tar.gz" &&
+  tar zxvf "${KREW}.tar.gz" &&
+  ./"${KREW}" install krew
+)
+```
+
+## usage
+
+```sh
+kubectl krew update
+
+kubectl krew search
+
+kubectl krew install oidc-login     # install plugin
+
+kubectl access-matrix               # use plugin to see the level of access user has on namespaces
+```
+
+```sh
+failed to retrieve plugin indexes: failed to list the remote URL for index default
+unset GIT_CONFIG
+```
+
+## plugins
+
+```sh
+# access-matrix                   v0.5.0
+# dds                             v0.1.0
+# example                         v1.1.0
+# krew                            v0.4.3
+# oidc-login                      v1.25.1
+# view-serviceaccount-kubeconfig  v2.2.8
+
+kubectl example deployment
+
+access-matrix
+
+dds
+
+view-serviceaccount-kubeconfig
+```
+
+## see also
+
+- [[kubectl]]
+- [krew.sigs.k8s.io/plugins/](https://krew.sigs.k8s.io/plugins/)
+- [krew.sigs.k8s.io/docs/user-guide/setup/install/](https://krew.sigs.k8s.io/docs/user-guide/setup/install/)
diff --git a/notes/microdnf.md b/notes/microdnf.md
@@ -0,0 +1,26 @@
+---
+title: microdnf
+created: '2022-09-30T12:49:43.050Z'
+modified: '2022-09-30T13:14:19.747Z'
+---
+
+# microdnf
+
+> minimal dnf for containers that uses libdnf and hence doesn't require python
+
+## install
+
+## usage
+
+```sh
+microdnf install nc
+
+microdnf update && microdnf install sudo iputils hostname findutils 
+
+microdnf clean all
+```
+
+## see also
+
+- [[tdnf]]
+- [[yum]]
diff --git a/notes/redis-cli.md b/notes/redis-cli.md
@@ -0,0 +1,39 @@
+---
+title: redis-cli
+created: '2022-10-05T12:58:56.515Z'
+modified: '2022-11-23T08:26:33.091Z'
+---
+
+# redis-cli
+
+## install
+
+```sh
+apt-get install redis-tools
+```
+
+## usage
+
+```sh
+redis-cli --scan --pattern '*-11*'
+
+redis-cli --latency
+```
+
+```
+127.0.0.1:6379> SET mykey "Hello\nWorld"
+OK
+127.0.0.1:6379> GET mykey
+Hello
+World
+```
+
+```sh
+nc -v --ssl HOST 6380
+```
+
+## see also
+
+- [[nc]]
+- [[zookeeper-shell]]
+- [redis.io/docs/manual/cli](https://redis.io/docs/manual/cli/)
diff --git a/notes/session-manager-plugin.md b/notes/session-manager-plugin.md
@@ -0,0 +1,33 @@
+---
+title: session-manager-plugin
+created: '2022-09-30T07:14:39.638Z'
+modified: '2022-11-23T08:31:40.836Z'
+---
+
+# session-manager-plugin
+
+## install
+
+```sh
+curl -O "https://s3.amazonaws.com/session-manager-downloads/plugin/latest/mac/sessionmanager-bundle.zip"
+unzip sessionmanager-bundle.zip
+sudo ./sessionmanager-bundle/install -i /usr/local/sessionmanagerplugin -b /usr/local/bin/session-manager-plugin
+
+
+yum install -y session-manager-plugin.rpm
+```
+
+## usage
+
+```sh
+session-manager-plugin              # verify isntalled correctly
+
+aws ssm start-session --target INSTANCE_ID
+
+session-manager-plugin --version
+```
+
+## see also
+
+- [[aws]]
+- [[ecs-cli]]
diff --git a/notes/tac.md b/notes/tac.md
@@ -0,0 +1,33 @@
+---
+title: tac
+created: '2022-06-17T09:24:48.712Z'
+modified: '2022-06-20T06:37:41.279Z'
+---
+
+# tac
+
+> concatenate and print files in reverse
+
+## flags
+
+```sh
+-b, --before                # attach the separator before instead of after
+-r, --regex                 # interpret the separator as a regular expression
+-s, --separator=STRING      # use STRING as the separator instead of newline
+    --help                  # display this help and exit
+    --version               # output version information and exit
+```
+
+## usage
+
+```sh
+tac
+
+kubectl get po --sort-by=.metadata.creationTimestamp | tac
+```
+
+## see also
+
+- [[cat]]
+- [[tig]]
+- [[less]]
diff --git a/notes/tcp-ip.md → notes/tcp-ip model.md b/notes/tcp-ip.md → notes/tcp-ip model.md
@@ -1,11 +1,11 @@
 ---
 tags: [network]
-title: tcp-ip
+title: tcp-ip model
 created: '2021-05-28T06:16:51.067Z'
-modified: '2022-02-10T12:55:47.494Z'
+modified: '2022-11-16T12:36:05.015Z'
 ---
 
-# tcp-ip
+# tcp-ip model
 
 > aka `internet protocol suite`, a conceptual model and set of communications protocols used in internet and networks
 > foundational protocols in the suite are the [[tcp]] and [[ipv4]]