GNU/Linux Change File Timestamp
Force file timestamp to a specific datetime.
touch -t 202301251415.00 Filename
All posts containing GNU/Linux-related scripts and patterns.
Force file timestamp to a specific datetime.
touch -t 202301251415.00 Filename
Delete evicted pods from current OpenShift project.
oc get pods | grep Evicted | awk '{print $1}' | xargs oc delete pod
Create an OpenShift secret from the command line.
oc create secret generic gateway1 --from-file=server.p12
Mavin compile (Java) code and create local package.
mvn clean package -DskipTests
Run a specific unit test from the command line.
mvn test -Dtest=JavaClassTest#specificTest
Example script with a check on the number of submitted parameters.
#!/bin/bash
[ $# -ne 1 ] && echo "ERROR: Input Required" && exit 1;
echo $1
A simple bash-script for OpenShift to determine which deployment configs make use of a specific secret (within the active project).
#!/bin/bash
oc get dc -o custom-columns="Name:metadata.name,readyReplicas:status.availableReplicas,Volumes:spec.template.spec.volumes,env:spec.template.spec.containers[].env,envFrom:spec.template.spec.containers[].envFrom,Volumes:spec.template.spec.volumes" | grep -E "($1)" | grep -oE "^[a-z0-9-]{3,99}"
$ os-sec-usage.sh secretname
Simple ASCII table in (formatted) text and available for download in CSV-format
| | Binary0 | Oct0 | Dec0 | Hex0 | Chr0 | | Binary3 | Oct3 | Dec3 | Hex3 | Chr3 | | Binary6 | Oct6 | Dec6 | Hex6 | Chr6 |
| - | -------- | ---- | ---- | ---- | ---- | - | -------- | ---- | ---- | ---- | ---- | - | -------- | ---- | ---- | ---- | ---- |
| | 00000000 | 000 | 00 | 00 | NUL | | 00110000 | 060 | 48 | 30 | 0 | | 01100000 | 140 | 96 | 60 | ` |
| | 00000001 | 001 | 01 | 01 | SOH | | 00110001 | 061 | 49 | 31 | 1 | | 01100001 | 141 | 97 | 61 | a |
| | 00000010 | 002 | 02 | 02 | STX | | 00110010 | 062 | 50 | 32 | 2 | | 01100010 | 142 | 98 | 62 | b |
| | 00000011 | 003 | 03 | 03 | ETX | | 00110011 | 063 | 51 | 33 | 3 | | 01100011 | 143 | 99 | 63 | c |
| | 00000100 | 004 | 04 | 04 | EOT | | 00110100 | 064 | 52 | 34 | 4 | | 01100100 | 144 | 100 | 64 | d |
| | 00000101 | 005 | 05 | 05 | ENQ | | 00110101 | 065 | 53 | 35 | 5 | | 01100101 | 145 | 101 | 65 | e |
| | 00000110 | 006 | 06 | 06 | ACK | | 00110110 | 066 | 54 | 36 | 6 | | 01100110 | 146 | 102 | 66 | f |
| | 00000111 | 007 | 07 | 07 | BEL | | 00110111 | 067 | 55 | 37 | 7 | | 01100111 | 147 | 103 | 67 | g |
| | 00001000 | 010 | 08 | 08 | BS | | 00111000 | 070 | 56 | 38 | 8 | | 01101000 | 150 | 104 | 68 | h |
| | 00001001 | 011 | 09 | 09 | HT | | 00111001 | 071 | 57 | 39 | 9 | | 01101001 | 151 | 105 | 69 | i |
| | 00001010 | 012 | 10 | 0A | LF | | 00111010 | 072 | 58 | 3A | : | | 01101010 | 152 | 106 | 6A | j |
| | 00001011 | 013 | 11 | 0B | VT | | 00111011 | 073 | 59 | 3B | ; | | 01101011 | 153 | 107 | 6B | k |
| | 00001100 | 014 | 12 | 0C | FF | | 00111100 | 074 | 60 | 3C | < | | 01101100 | 154 | 108 | 6C | l |
| | 00001101 | 015 | 13 | 0D | CR | | 00111101 | 075 | 61 | 3D | = | | 01101101 | 155 | 109 | 6D | m |
| | 00001110 | 016 | 14 | 0E | SO | | 00111110 | 076 | 62 | 3E | > | | 01101110 | 156 | 110 | 6E | n |
| | 00001111 | 017 | 15 | 0F | SI | | 00111111 | 077 | 63 | 3F | ? | | 01101111 | 157 | 111 | 6F | o |
| | 00010000 | 020 | 16 | 10 | DLE | | 01000000 | 100 | 64 | 40 | @ | | 01110000 | 160 | 112 | 70 | p |
| | 00010001 | 021 | 17 | 11 | DC1 | | 01000001 | 101 | 65 | 41 | A | | 01110001 | 161 | 113 | 71 | q |
| | 00010010 | 022 | 18 | 12 | DC2 | | 01000010 | 102 | 66 | 42 | B | | 01110010 | 162 | 114 | 72 | r |
| | 00010011 | 023 | 19 | 13 | DC3 | | 01000011 | 103 | 67 | 43 | C | | 01110011 | 163 | 115 | 73 | s |
| | 00010100 | 024 | 20 | 14 | DC4 | | 01000100 | 104 | 68 | 44 | D | | 01110100 | 164 | 116 | 74 | t |
| | 00010101 | 025 | 21 | 15 | NAK | | 01000101 | 105 | 69 | 45 | E | | 01110101 | 165 | 117 | 75 | u |
| | 00010110 | 026 | 22 | 16 | SYN | | 01000110 | 106 | 70 | 46 | F | | 01110110 | 166 | 118 | 76 | v |
| | 00010111 | 027 | 23 | 17 | ETB | | 01000111 | 107 | 71 | 47 | G | | 01110111 | 167 | 119 | 77 | w |
| | 00011000 | 030 | 24 | 18 | CAN | | 01001000 | 110 | 72 | 48 | H | | 01111000 | 170 | 120 | 78 | x |
| | 00011001 | 031 | 25 | 19 | EM | | 01001001 | 111 | 73 | 49 | I | | 01111001 | 171 | 121 | 79 | y |
| | 00011010 | 032 | 26 | 1A | SUB | | 01001010 | 112 | 74 | 4A | J | | 01111010 | 172 | 122 | 7A | z |
| | 00011011 | 033 | 27 | 1B | ESC | | 01001011 | 113 | 75 | 4B | K | | 01111011 | 173 | 123 | 7B | { |
| | 00011100 | 034 | 28 | 1C | FS | | 01001100 | 114 | 76 | 4C | L | | 01111100 | 174 | 124 | 7C | | |
| | 00011101 | 035 | 29 | 1D | GS | | 01001101 | 115 | 77 | 4D | M | | 01111101 | 175 | 125 | 7D | } |
| | 00011110 | 036 | 30 | 1E | RS | | 01001110 | 116 | 78 | 4E | N | | 01111110 | 176 | 126 | 7E | ~ |
| | 00011111 | 037 | 31 | 1F | US | | 01001111 | 117 | 79 | 4F | O | | 01111111 | 177 | 127 | 7F | DEL |
| | 00100000 | 040 | 32 | 20 | | | 01010000 | 120 | 80 | 50 | P | | | | | | |
| | 00100001 | 041 | 33 | 21 | ! | | 01010001 | 121 | 81 | 51 | Q | | | | | | |
| | 00100010 | 042 | 34 | 22 | " | | 01010010 | 122 | 82 | 52 | R | | | | | | |
| | 00100011 | 043 | 35 | 23 | # | | 01010011 | 123 | 83 | 53 | S | | | | | | |
| | 00100100 | 044 | 36 | 24 | $ | | 01010100 | 124 | 84 | 54 | T | | | | | | |
| | 00100101 | 045 | 37 | 25 | % | | 01010101 | 125 | 85 | 55 | U | | | | | | |
| | 00100110 | 046 | 38 | 26 | & | | 01010110 | 126 | 86 | 56 | V | | | | | | |
| | 00100111 | 047 | 39 | 27 | ' | | 01010111 | 127 | 87 | 57 | W | | | | | | |
| | 00101000 | 050 | 40 | 28 | ( | | 01011000 | 130 | 88 | 58 | X | | | | | | |
| | 00101001 | 051 | 41 | 29 | ) | | 01011001 | 131 | 89 | 59 | Y | | | | | | |
| | 00101010 | 052 | 42 | 2A | * | | 01011010 | 132 | 90 | 5A | Z | | | | | | |
| | 00101011 | 053 | 43 | 2B | + | | 01011011 | 133 | 91 | 5B | [ | | | | | | |
| | 00101100 | 054 | 44 | 2C | , | | 01011100 | 134 | 92 | 5C | \ | | | | | | |
| | 00101101 | 055 | 45 | 2D | - | | 01011101 | 135 | 93 | 5D | ] | | | | | | |
| | 00101110 | 056 | 46 | 2E | . | | 01011110 | 136 | 94 | 5E | ^ | | | | | | |
| | 00101111 | 057 | 47 | 2F | / | | 01011111 | 137 | 95 | 5F | _ | | | | | | |
Bash script to auto-mount NFS share when it is available (and not already mounted).
#!/bin/bash
ping -c 1 -n 192.168.1.250 > /dev/null
if [ $? -eq 0 ] && [ ! -d /mnt/nas1/directory ]; then
sudo mount -t nfs 192.168.1.250:/mnt/nfsmountpoint /mnt/nas1
fi
POST a Soap Message using curl using Mutual SSL…
curl -k --cert certchain.pem:password --key server.key \
-d "<soapenv:Envelope xmlns:soapenv=\"http://schemas.xmlsoap.org/soap/envelope/\" xmlns:tot=\"http://timvkn.nl/services/testservice\" ><soapenv:Header/><soapenv:Body><tot:getTest><Name>%</Name></tot:getTest></soapenv:Body></soapenv:Envelope>" \
-H 'Content-Type: application/soap+xml' \
-H 'SOAPAction: "http://timvkn.nl/services/testservice/getTest"' \
https://timvkn.nl/testservice/getTest --tlsv1.2 -o result.xml -v
Simple Dockerfile example for a dockered teiid instance…
# HU Teiid Docker QuickRef:
# ->docker build -t dteiid-example .
# ->docker run --name dteiid-example -p 8081:8080 -p 9991:9990 -v /var/log/docker/dteiid-example/:/opt/jboss/teiid-10.0.0.Final/standalone/log/ --env-file=teiid-test.env --restart unless-stopped -it dteiid-example
FROM teiid/teiid:10.0.0.Final
MAINTAINER Tim van Kooten Niekerk (tim@totietoot.nl)
# Pass logs to host; Location on host needs chmod 1000:1000 so jboss can write...
RUN mkdir /opt/jboss/teiid-10.0.0.Final/standalone/log/
RUN chown -R jboss:jboss /opt/jboss/teiid-10.0.0.Final/standalone/log/
VOLUME /opt/jboss/teiid-10.0.0.Final/standalone/log/
# Add config files...
ADD customization /opt/jboss/teiid-10.0.0.Final/customization/
# Add Drivers...
ADD ojdbc7-12.1.0.1.0.jar /opt/jboss/teiid-10.0.0.Final/standalone/deployments/
ADD sqljdbc42.jar /opt/jboss/teiid-9.3.4/standalone/deployments/
# Deploy VDB's....
ADD cursuscatalogus-vdb-vdb.xml /opt/jboss/teiid-10.0.0.Final/standalone/deployments/
# Configure Environment and Start server...
CMD ["/opt/jboss/teiid-10.0.0.Final/customization/execute.sh"]
# You can expose ports...
EXPOSE 8081 8080
EXPOSE 9991 9990
Build a docker…
docker build -t dteiid-example .
Run, Start, Stop commands…
docker run --name dteiid-example -p 8081:8080 -p 9991:9990 --env-file=teiid-test.env --restart unless-stopped -it dteiid-example
docker ps -a
docker rm <containername|id>
docker start|stop <containername|id>
docker attach <containername|id>
docker image[s] [save|load|ls|rm|prune|...] [-[o|i] image.tar.gz]
Connect to a container…
docker exec [-u 0] -it <containername|id> bash
Some tcpdump examples.
tcpdump -vv -i eth0 -w tcpdump.log 'tcp port 443'
tcpdump -vv -i eth0 -w tcpdump.log dst 145.89.57.121