loxilb-iogh-434 : apt-get is recommended over apt in scripting

.github/workflows/advanced-lb-sanity-ubuntu-22.yml

@@ -28,7 +28,7 @@ jobs:
         with:
              go-version: '>=1.18.0'
       - run: sudo apt-get update
-      - run: sudo apt -y install clang-13 llvm libelf-dev gcc-multilib libpcap-dev linux-tools-$(uname -r) elfutils dwarves git libbsd-dev bridge-utils unzip build-essential bison flex iperf iproute2 nodejs socat ethtool lksctp-tools
+      - run: sudo apt-get -y install clang-13 llvm libelf-dev gcc-multilib libpcap-dev linux-tools-$(uname -r) elfutils dwarves git libbsd-dev bridge-utils unzip build-essential bison flex iperf iproute2 nodejs socat ethtool lksctp-tools
       - run: |
             git clone https://github.com/loxilb-io/iproute2 iproute2-main
             cd iproute2-main/libbpf/src/

.github/workflows/advanced-lb-sanity.yml

@@ -28,7 +28,7 @@ jobs:
         with:
              go-version: '>=1.18.0'
       - run: sudo apt-get update
-      - run: sudo apt -y install clang-10 llvm libelf-dev gcc-multilib libpcap-dev linux-tools-$(uname -r) elfutils dwarves git libbsd-dev bridge-utils unzip build-essential bison flex iperf iproute2 nodejs socat ethtool
+      - run: sudo apt-get -y install clang-10 llvm libelf-dev gcc-multilib libpcap-dev linux-tools-$(uname -r) elfutils dwarves git libbsd-dev bridge-utils unzip build-essential bison flex iperf iproute2 nodejs socat ethtool
       - run: |
             git clone https://github.com/loxilb-io/iproute2 iproute2-main
             cd iproute2-main/libbpf/src/

.github/workflows/basic-sanity-ubuntu-22.yml

@@ -29,7 +29,7 @@ jobs:
         with:
              go-version: '>=1.18.0'
       - run: sudo apt-get update
-      - run: sudo apt -y install clang-13 llvm libelf-dev gcc-multilib libpcap-dev linux-tools-$(uname -r) elfutils dwarves git libbsd-dev bridge-utils unzip build-essential bison flex iproute2
+      - run: sudo apt-get -y install clang-13 llvm libelf-dev gcc-multilib libpcap-dev linux-tools-$(uname -r) elfutils dwarves git libbsd-dev bridge-utils unzip build-essential bison flex iproute2
       - run: | 
             sudo ip netns add test
             sudo ip netns del test

.github/workflows/basic-sanity.yml

@@ -20,7 +20,7 @@ jobs:
         with:
              go-version: '>=1.18.0'
       - run: sudo apt-get update
-      - run: sudo apt -y install clang-10 llvm libelf-dev gcc-multilib libpcap-dev elfutils dwarves git linux-tools-$(uname -r) libbsd-dev bridge-utils unzip build-essential bison flex iproute2
+      - run: sudo apt-get -y install clang-10 llvm libelf-dev gcc-multilib libpcap-dev elfutils dwarves git linux-tools-$(uname -r) libbsd-dev bridge-utils unzip build-essential bison flex iproute2
       - run: |
             git clone https://github.com/loxilb-io/iproute2 iproute2-main
             cd iproute2-main/libbpf/src/

.github/workflows/cluster-sanity-ubuntu-22.yml

@@ -23,7 +23,7 @@ jobs:
         with:
              go-version: '>=1.18.0'
       - run: sudo apt-get update
-      - run: sudo apt -y install clang-13 llvm libelf-dev gcc-multilib libpcap-dev linux-tools-$(uname -r) elfutils dwarves git libbsd-dev bridge-utils unzip build-essential bison flex iperf iproute2 nodejs socat lksctp-tools
+      - run: sudo apt-get -y install clang-13 llvm libelf-dev gcc-multilib libpcap-dev linux-tools-$(uname -r) elfutils dwarves git libbsd-dev bridge-utils unzip build-essential bison flex iperf iproute2 nodejs socat lksctp-tools
       - run: |
             git clone https://github.com/loxilb-io/iproute2 iproute2-main
             cd iproute2-main/libbpf/src/

.github/workflows/cluster-sanity.yml

@@ -23,7 +23,7 @@ jobs:
         with:
              go-version: '>=1.18.0'
       - run: sudo apt-get update
-      - run: sudo apt -y install clang-10 llvm libelf-dev gcc-multilib libpcap-dev linux-tools-$(uname -r) elfutils dwarves git libbsd-dev bridge-utils unzip build-essential bison flex iperf iproute2 nodejs socat
+      - run: sudo apt-get -y install clang-10 llvm libelf-dev gcc-multilib libpcap-dev linux-tools-$(uname -r) elfutils dwarves git libbsd-dev bridge-utils unzip build-essential bison flex iperf iproute2 nodejs socat
       - run: |
             git clone https://github.com/loxilb-io/iproute2 iproute2-main
             cd iproute2-main/libbpf/src/

.github/workflows/data-store-CI.yml

@@ -37,8 +37,8 @@ jobs:
         with:
              go-version: '>=1.18.0'
       - run: sudo apt-get update
-      - run: if [[ ${{ github.event.inputs.runsOn }} == 'ubuntu-22.04' ]]; then sudo apt -y install clang-13 lksctp-tools; else sudo apt -y install clang-10; fi
-      - run: sudo apt -y install llvm libelf-dev gcc-multilib libpcap-dev linux-tools-$(uname -r) elfutils dwarves git libbsd-dev bridge-utils unzip build-essential bison flex iperf iproute2 nodejs socat
+      - run: if [[ ${{ github.event.inputs.runsOn }} == 'ubuntu-22.04' ]]; then sudo apt-get -y install clang-13 lksctp-tools; else sudo apt-get -y install clang-10; fi
+      - run: sudo apt-get -y install llvm libelf-dev gcc-multilib libpcap-dev linux-tools-$(uname -r) elfutils dwarves git libbsd-dev bridge-utils unzip build-essential bison flex iperf iproute2 nodejs socat
       - run: |
             git clone https://github.com/loxilb-io/iproute2 iproute2-main
             cd iproute2-main/libbpf/src/

.github/workflows/ipsec-sanity-ubuntu-22.yml

@@ -28,7 +28,7 @@ jobs:
         with:
              go-version: '>=1.18.0'
       - run: sudo apt-get update
-      - run: sudo apt -y install clang-13 llvm libelf-dev gcc-multilib libpcap-dev linux-tools-$(uname -r) elfutils dwarves git libbsd-dev bridge-utils unzip build-essential bison flex iperf iproute2 nodejs socat
+      - run: sudo apt-get -y install clang-13 llvm libelf-dev gcc-multilib libpcap-dev linux-tools-$(uname -r) elfutils dwarves git libbsd-dev bridge-utils unzip build-essential bison flex iperf iproute2 nodejs socat
       - run: |
             git clone https://github.com/loxilb-io/iproute2 iproute2-main
             cd iproute2-main/libbpf/src/

.github/workflows/ipsec-sanity.yml

@@ -28,7 +28,7 @@ jobs:
         with:
              go-version: '>=1.18.0'
       - run: sudo apt-get update
-      - run: sudo apt -y install clang-10 llvm libelf-dev gcc-multilib libpcap-dev linux-tools-$(uname -r) elfutils dwarves git libbsd-dev bridge-utils unzip build-essential bison flex iperf iproute2 nodejs socat
+      - run: sudo apt-get -y install clang-10 llvm libelf-dev gcc-multilib libpcap-dev linux-tools-$(uname -r) elfutils dwarves git libbsd-dev bridge-utils unzip build-essential bison flex iperf iproute2 nodejs socat
       - run: |
             git clone https://github.com/loxilb-io/iproute2 iproute2-main
             cd iproute2-main/libbpf/src/

.github/workflows/k3s-sctpmh-2.yml

@@ -14,7 +14,7 @@ jobs:
     name: k3s-sctpmh-2-sanity
     runs-on: ubuntu-20.04
     steps:
-      - run: sudo apt -y install bridge-utils iproute2 lksctp-tools iputils-ping
+      - run: sudo apt-get -y install bridge-utils iproute2 lksctp-tools iputils-ping
       - run: |
          echo "KUBECONFIG=--kubeconfig=/etc/rancher/k3s/k3s.yaml" >> $GITHUB_ENV
       - uses: actions/checkout@v2

.github/workflows/k3s-sctpmh-ubuntu-22.yml

@@ -27,7 +27,7 @@ jobs:
          sudo tee /etc/apt/sources.list.d/docker.list > /dev/null
          sudo apt-get update
          sudo apt-get install -y docker-ce docker-ce-cli containerd.io docker-buildx-plugin docker-compose-plugin
-      - run: sudo apt -y install bridge-utils iproute2 lksctp-tools iputils-ping
+      - run: sudo apt-get -y install bridge-utils iproute2 lksctp-tools iputils-ping
       - run: |
          echo "KUBECONFIG=--kubeconfig=/etc/rancher/k3s/k3s.yaml" >> $GITHUB_ENV
       - uses: actions/checkout@v2

.github/workflows/k3s-sctpmh.yml

@@ -14,7 +14,7 @@ jobs:
     name: k3s-sctpmh-sanity
     runs-on: ubuntu-20.04
     steps:
-      - run: sudo apt -y install bridge-utils iproute2 lksctp-tools iputils-ping
+      - run: sudo apt-get -y install bridge-utils iproute2 lksctp-tools iputils-ping
       - run: |
          echo "KUBECONFIG=--kubeconfig=/etc/rancher/k3s/k3s.yaml" >> $GITHUB_ENV
       - uses: actions/checkout@v2

.github/workflows/liveness-sanity-ubuntu-22.yml

@@ -28,7 +28,7 @@ jobs:
         with:
              go-version: '>=1.18.0'
       - run: sudo apt-get update
-      - run: sudo apt -y install clang-13 llvm libelf-dev gcc-multilib libpcap-dev linux-tools-$(uname -r) elfutils dwarves git libbsd-dev bridge-utils unzip build-essential bison flex iperf iproute2 nodejs socat ethtool lksctp-tools
+      - run: sudo apt-get -y install clang-13 llvm libelf-dev gcc-multilib libpcap-dev linux-tools-$(uname -r) elfutils dwarves git libbsd-dev bridge-utils unzip build-essential bison flex iperf iproute2 nodejs socat ethtool lksctp-tools
       - run: |
             git clone https://github.com/loxilb-io/iproute2 iproute2-main
             cd iproute2-main/libbpf/src/

.github/workflows/liveness-sanity.yml

@@ -28,7 +28,7 @@ jobs:
         with:
              go-version: '>=1.18.0'
       - run: sudo apt-get update
-      - run: sudo apt -y install clang-10 llvm libelf-dev gcc-multilib libpcap-dev linux-tools-$(uname -r) elfutils dwarves git libbsd-dev bridge-utils unzip build-essential bison flex iperf iproute2 nodejs socat ethtool
+      - run: sudo apt-get -y install clang-10 llvm libelf-dev gcc-multilib libpcap-dev linux-tools-$(uname -r) elfutils dwarves git libbsd-dev bridge-utils unzip build-essential bison flex iperf iproute2 nodejs socat ethtool
       - run: |
             git clone https://github.com/loxilb-io/iproute2 iproute2-main
             cd iproute2-main/libbpf/src/

.github/workflows/nat66-sanity-ubuntu-22.yml

@@ -28,7 +28,7 @@ jobs:
         with:
              go-version: '>=1.18.0'
       - run: sudo apt-get update
-      - run: sudo apt -y install clang-13 llvm libelf-dev gcc-multilib libpcap-dev linux-tools-$(uname -r) elfutils dwarves git libbsd-dev bridge-utils unzip build-essential bison flex iperf iproute2 nodejs socat ethtool
+      - run: sudo apt-get -y install clang-13 llvm libelf-dev gcc-multilib libpcap-dev linux-tools-$(uname -r) elfutils dwarves git libbsd-dev bridge-utils unzip build-essential bison flex iperf iproute2 nodejs socat ethtool
       - run: |
             git clone https://github.com/loxilb-io/iproute2 iproute2-main
             cd iproute2-main/libbpf/src/

.github/workflows/nat66-sanity.yml

@@ -28,7 +28,7 @@ jobs:
         with:
              go-version: '>=1.18.0'
       - run: sudo apt-get update
-      - run: sudo apt -y install clang-10 llvm libelf-dev gcc-multilib libpcap-dev linux-tools-$(uname -r) elfutils dwarves git libbsd-dev bridge-utils unzip build-essential bison flex iperf iproute2 nodejs socat ethtool
+      - run: sudo apt-get -y install clang-10 llvm libelf-dev gcc-multilib libpcap-dev linux-tools-$(uname -r) elfutils dwarves git libbsd-dev bridge-utils unzip build-essential bison flex iperf iproute2 nodejs socat ethtool
       - run: |
             git clone https://github.com/loxilb-io/iproute2 iproute2-main
             cd iproute2-main/libbpf/src/

.github/workflows/perf.yml

@@ -33,8 +33,8 @@ jobs:
         with:
              go-version: '>=1.18.0'
       - run: sudo apt-get update
-      - run: if [[ ${{ matrix.os }} == 'ubuntu-22.04' ]]; then sudo apt -y install clang-13 lksctp-tools; else sudo apt -y install clang-10; fi
-      - run: sudo apt -y install llvm libelf-dev gcc-multilib libpcap-dev linux-tools-$(uname -r) elfutils dwarves git libbsd-dev bridge-utils unzip build-essential bison flex iperf iproute2 nodejs socat iperf3
+      - run: if [[ ${{ matrix.os }} == 'ubuntu-22.04' ]]; then sudo apt-get -y install clang-13 lksctp-tools; else sudo apt-get -y install clang-10; fi
+      - run: sudo apt-get -y install llvm libelf-dev gcc-multilib libpcap-dev linux-tools-$(uname -r) elfutils dwarves git libbsd-dev bridge-utils unzip build-essential bison flex iperf iproute2 nodejs socat iperf3
       - run: |
             git clone https://github.com/loxilb-io/iproute2 iproute2-main
             cd iproute2-main/libbpf/src/

.github/workflows/scale-sanity-ubuntu-22.yml

@@ -28,7 +28,7 @@ jobs:
         with:
              go-version: '>=1.18.0'
       - run: sudo apt-get update
-      - run: sudo apt -y install clang-13 llvm libelf-dev gcc-multilib libpcap-dev linux-tools-$(uname -r) elfutils dwarves git libbsd-dev bridge-utils unzip build-essential bison flex iperf iproute2 nodejs socat lksctp-tools
+      - run: sudo apt-get -y install clang-13 llvm libelf-dev gcc-multilib libpcap-dev linux-tools-$(uname -r) elfutils dwarves git libbsd-dev bridge-utils unzip build-essential bison flex iperf iproute2 nodejs socat lksctp-tools
       - run: |
             git clone https://github.com/loxilb-io/iproute2 iproute2-main
             cd iproute2-main/libbpf/src/

.github/workflows/scale-sanity.yml

@@ -28,7 +28,7 @@ jobs:
         with:
              go-version: '>=1.18.0'
       - run: sudo apt-get update
-      - run: sudo apt -y install clang-10 llvm libelf-dev gcc-multilib libpcap-dev linux-tools-$(uname -r) elfutils dwarves git libbsd-dev bridge-utils unzip build-essential bison flex iperf iproute2 nodejs socat
+      - run: sudo apt-get -y install clang-10 llvm libelf-dev gcc-multilib libpcap-dev linux-tools-$(uname -r) elfutils dwarves git libbsd-dev bridge-utils unzip build-essential bison flex iperf iproute2 nodejs socat
       - run: |
             git clone https://github.com/loxilb-io/iproute2 iproute2-main
             cd iproute2-main/libbpf/src/

.github/workflows/sctp-sanity-ubuntu-22.yml

@@ -28,7 +28,7 @@ jobs:
         with:
              go-version: '>=1.18.0'
       - run: sudo apt-get update
-      - run: sudo apt -y install clang-13 llvm libelf-dev gcc-multilib libpcap-dev linux-tools-$(uname -r) elfutils dwarves git libbsd-dev bridge-utils unzip build-essential bison flex iperf iproute2 nodejs socat ethtool lksctp-tools
+      - run: sudo apt-get -y install clang-13 llvm libelf-dev gcc-multilib libpcap-dev linux-tools-$(uname -r) elfutils dwarves git libbsd-dev bridge-utils unzip build-essential bison flex iperf iproute2 nodejs socat ethtool lksctp-tools
       - run: |
             git clone https://github.com/loxilb-io/iproute2 iproute2-main
             cd iproute2-main/libbpf/src/

.github/workflows/sctp-sanity.yml

@@ -28,7 +28,7 @@ jobs:
         with:
              go-version: '>=1.18.0'
       - run: sudo apt-get update
-      - run: sudo apt -y install clang-10 llvm libelf-dev gcc-multilib libpcap-dev linux-tools-$(uname -r) elfutils dwarves git libbsd-dev bridge-utils unzip build-essential bison flex iperf iproute2 nodejs socat ethtool
+      - run: sudo apt-get -y install clang-10 llvm libelf-dev gcc-multilib libpcap-dev linux-tools-$(uname -r) elfutils dwarves git libbsd-dev bridge-utils unzip build-essential bison flex iperf iproute2 nodejs socat ethtool
       - run: |
             git clone https://github.com/loxilb-io/iproute2 iproute2-main
             cd iproute2-main/libbpf/src/

.github/workflows/tcp-sanity-ubuntu-22.yml

@@ -28,7 +28,7 @@ jobs:
         with:
              go-version: '>=1.18.0'
       - run: sudo apt-get update
-      - run: sudo apt -y install clang-13 llvm libelf-dev gcc-multilib libpcap-dev linux-tools-$(uname -r) elfutils dwarves git libbsd-dev bridge-utils unzip build-essential bison flex iperf iproute2 nodejs socat ethtool
+      - run: sudo apt-get -y install clang-13 llvm libelf-dev gcc-multilib libpcap-dev linux-tools-$(uname -r) elfutils dwarves git libbsd-dev bridge-utils unzip build-essential bison flex iperf iproute2 nodejs socat ethtool
       - run: |
             git clone https://github.com/loxilb-io/iproute2 iproute2-main
             cd iproute2-main/libbpf/src/

.github/workflows/tcp-sanity.yml

@@ -28,7 +28,7 @@ jobs:
         with:
              go-version: '>=1.18.0'
       - run: sudo apt-get update
-      - run: sudo apt -y install clang-10 llvm libelf-dev gcc-multilib libpcap-dev linux-tools-$(uname -r) elfutils dwarves git libbsd-dev bridge-utils unzip build-essential bison flex iperf iproute2 nodejs socat ethtool
+      - run: sudo apt-get -y install clang-10 llvm libelf-dev gcc-multilib libpcap-dev linux-tools-$(uname -r) elfutils dwarves git libbsd-dev bridge-utils unzip build-essential bison flex iperf iproute2 nodejs socat ethtool
       - run: |
             git clone https://github.com/loxilb-io/iproute2 iproute2-main
             cd iproute2-main/libbpf/src/

.github/workflows/test-scenario.yml

@@ -29,8 +29,8 @@ jobs:
         with:
              go-version: '>=1.18.0'
       - run: sudo apt-get update
-      - run: if [[ ${{ github.event.inputs.runsOn }} == 'ubuntu-22.04' ]]; then sudo apt -y install clang-13 lksctp-tools; else sudo apt -y install clang-10; fi
-      - run: sudo apt -y install llvm libelf-dev gcc-multilib libpcap-dev linux-tools-$(uname -r) elfutils dwarves git libbsd-dev bridge-utils unzip build-essential bison flex iperf iproute2 nodejs socat
+      - run: if [[ ${{ github.event.inputs.runsOn }} == 'ubuntu-22.04' ]]; then sudo apt-get -y install clang-13 lksctp-tools; else sudo apt-get -y install clang-10; fi
+      - run: sudo apt-get -y install llvm libelf-dev gcc-multilib libpcap-dev linux-tools-$(uname -r) elfutils dwarves git libbsd-dev bridge-utils unzip build-essential bison flex iperf iproute2 nodejs socat
       - run: |
             git clone https://github.com/loxilb-io/iproute2 iproute2-main
             cd iproute2-main/libbpf/src/

.github/workflows/udp-sanity-ubuntu-22.yml

@@ -28,7 +28,7 @@ jobs:
         with:
              go-version: '>=1.18.0'
       - run: sudo apt-get update
-      - run: sudo apt -y install clang-13 llvm libelf-dev gcc-multilib libpcap-dev linux-tools-$(uname -r) elfutils dwarves git libbsd-dev bridge-utils unzip build-essential bison flex iperf iproute2 nodejs socat ethtool
+      - run: sudo apt-get -y install clang-13 llvm libelf-dev gcc-multilib libpcap-dev linux-tools-$(uname -r) elfutils dwarves git libbsd-dev bridge-utils unzip build-essential bison flex iperf iproute2 nodejs socat ethtool
       - run: |
             git clone https://github.com/loxilb-io/iproute2 iproute2-main
             cd iproute2-main/libbpf/src/

.github/workflows/udp-sanity.yml

@@ -28,7 +28,7 @@ jobs:
         with:
              go-version: '>=1.18.0'
       - run: sudo apt-get update
-      - run: sudo apt -y install clang-10 llvm libelf-dev gcc-multilib libpcap-dev linux-tools-$(uname -r) elfutils dwarves git libbsd-dev bridge-utils unzip build-essential bison flex iperf iproute2 nodejs socat ethtool
+      - run: sudo apt-get -y install clang-10 llvm libelf-dev gcc-multilib libpcap-dev linux-tools-$(uname -r) elfutils dwarves git libbsd-dev bridge-utils unzip build-essential bison flex iperf iproute2 nodejs socat ethtool
       - run: |
             git clone https://github.com/loxilb-io/iproute2 iproute2-main
             cd iproute2-main/libbpf/src/

.travis.yml

@@ -11,9 +11,9 @@ services:
 
 before_install:
   - sudo apt-get update
-  - sudo apt -y install clang llvm libelf-dev gcc-multilib libpcap-dev
-  - sudo apt -y install linux-tools-$(uname -r)
-  - sudo apt -y install elfutils dwarves git libbsd-dev bridge-utils
+  - sudo apt-get -y install clang llvm libelf-dev gcc-multilib libpcap-dev
+  - sudo apt-get -y install linux-tools-$(uname -r)
+  - sudo apt-get -y install elfutils dwarves git libbsd-dev bridge-utils
   - curl -sSfL https://raw.githubusercontent.com/golangci/golangci-lint/master/install.sh | sh -s -- -b $(go env GOPATH)/bin v1.24.0
   - docker pull loxilbio/loxilb:beta
   - docker run -u root --cap-add SYS_ADMIN   --restart unless-stopped --privileged -dit -v /dev/log:/dev/log --entrypoint /root/loxilb-io/loxilb/loxilb --name loxilb loxilbio/loxilb:beta

cicd/docker-k3s-lb/loxilb.sh

@@ -14,7 +14,7 @@ apt-get install -y docker-ce
 sudo docker run -u root --cap-add SYS_ADMIN --restart unless-stopped --privileged --entrypoint /root/loxilb-io/loxilb/loxilb -dit -v /dev/log:/dev/log  --name loxilb ghcr.io/loxilb-io/loxilb:latest
 
 #docker exec -i loxilb apt update
-#docker exec -i loxilb apt -y install clang-10 llvm libelf-dev gcc-multilib libpcap-dev linux-tools-$(uname -r) elfutils dwarves git libbsd-dev bridge-utils unzip build-essential bison flex iperf iproute2 nodejs socat ethtool
+#docker exec -i loxilb apt-get -y install clang-10 llvm libelf-dev gcc-multilib libpcap-dev linux-tools-$(uname -r) elfutils dwarves git libbsd-dev bridge-utils unzip build-essential bison flex iperf iproute2 nodejs socat ethtool
 
 # Create mac-vlan on top of underlying eth1 interface
 docker network create -d macvlan -o parent=eth1 --subnet 192.168.163.0/24   --gateway 192.168.163.1 --aux-address 'host=192.168.163.252' llbnet
@@ -25,7 +25,7 @@ docker network connect llbnet loxilb --ip=192.168.163.247
 # Start a docker to simulate e2 sctp endpoint
 docker run -u root --cap-add SYS_ADMIN -dit --privileged --name e2 eyes852/ubuntu-iperf-test:0.5
 docker exec -i e2 apt update
-docker exec -i e2 apt -y install lksctp-tools
+docker exec -i e2 apt-get -y install lksctp-tools
 
 # Turn tx checksum offload "off" in the end-point pod for LB to work properly
 #/vagrant/set_chksum.sh e2 off

cicd/k3s-sctpmh-2/Dockerfile

@@ -5,7 +5,7 @@ WORKDIR /
 
 # Install any needed packages specified in requirements.txt
 RUN apt update
-RUN apt -y install lksctp-tools
+RUN apt-get -y install lksctp-tools
 
 # Make port 9999 available to the world outside this container
 EXPOSE 9999