A chronological documentation test project, nothing serious, really!
This is a solution for how you can exclude certain packages being updated when using yum-cron. Docker and kernel are packages I would like to exclude from yum-cron. The solution to this is to modify the /etc/yum/yum-cron.conf file adding this to the [base] section RHEL7/Centos7 [base] … exclude = kernel* docker* On RHEL6/Centos6 you can […]
This is a simple script I use to export the details from a Job run in Red Hat Satellite 6.2 using hammer from the console. #!/bin/bash # Redhat Satellite Job query by id using hammer if [ $1 -eq $1 ] 2>/dev/null; then # get hosts run by ID JOBHOSTS=$(hammer job-invocation info –id $1 | […]
This is a bash oneliner to get the date of the last Sunday in the month, nice to have if you cannot figure out an easy solution in crontab. # cal -m | awk ‘{print $7}’ | grep -E ‘[0-9]’ | tail -n 1 28 or only using awk # cal -m | awk ‘$7!=””{l=$7} […]
Sometimes I experience that a image files date/time on the file system differ from the image metadata/EXIF info. I use this command to extract the date information available in the file $ exiftool -time:all -a -G0:1 -s filename.jpg The output from the command can be like [File:System] FileModifyDate : 2016:06:08 14:40:24+02:00 [File:System] FileAccessDate : 2016:09:01 […]
This is just a simple script to generate IP-addresses in a IP-range and write the result output to a file. The script does also remove addresses you would like to exclude from the final output. #!/bin/bash OUTFILE=”mk-iprange.txt” IPRANGE=”192.168.0 192.168.1″ EXCLUDE=”192.168.0.1 192.168.0.2 192.168.1.1″ # Remove old OUTFILE rm -f $OUTFILE # Loop addresses, write to OUTFILE […]