Linux debian bash. I have a PATH type variable 'X' that I want to manipulate. 'X' can be any number of elements delimited by ":" For example, using fruits: set X=apple:pear:orange:cherry How might I extract the first element minus its…
I am trying to copy binary dependencies to other folder, so I use ldd to see what should be copied. However the script fails when copying. It "appears" '$'n' characters when binary dependencies are copied. Something is wrong, but I…
bluetoothctl is an application that has a shell and accepts input commands. I would like to send command to it from the shell of the linux arbitrarily and I would also like to read its output without colours. I am…
This is a question in a linux (centos 7) academic module that I have found myself stuck on. I have a file of IP's, extracted from a log file. I have sorted the IP's into a new file, removing duplicates.…
I have an assignment wherein I am required to use the file command to check if a file is an executable type or not. The wording used in the assignment is as follows: The file command should be used to…
In a file I want to append a string after the specific segment with key "sys-mgmt-agent". This is the file content: sys-mgmt-agent: networks: edgex-network: aliases: - edgex-sys-mgmt-agent depends_on: - redis volumes: - /proc/uptime:/proc/uptime - /var/log/auth.log:/var/log/auth.log - ${HOST_SECURITY_FILE_PATH}edgex-redis:/tmp/edgex/secrets/edgex-redis:z edge-orchestrator: networks: edgex-network:…
I want to parse an Apache log file such as: 1.1.1.1 - - [12/Dec/2019:18:25:11 +0100] "GET /endpoint1/ HTTP/1.1" 200 4263 "-" "Mozilla/5.0 (Windows NT 6.0; rv:34.0) Gecko/20100101 Firefox/34.0" "-" 1.1.1.1 - - [13/Dec/2019:18:25:11 +0100] "GET /endpoint1/ HTTP/1.1" 200 4263 "-"…
I am trying to grep /var/log/secure to find the unique IP addresses that tried to use my instance. Every time, I try to grep I get the lines where the IP is located. How can I grep in a way…
I have a set of filenames which are ordered numerically like: 13B12363_1B1_0.png 13B12363_1B1_1.png 13B12363_1B1_2.png 13B12363_1B1_3.png 13B12363_1B1_4.png 13B12363_1B1_5.png 13B12363_1B1_6.png 13B12363_1B1_7.png 13B12363_1B1_8.png 13B12363_1B1_9.png 13B12363_1B1_10.png [...] 13B12363_1B1_495.png 13B12363_1B1_496.png 13B12363_1B1_497.png 13B12363_1B1_498.png 13B12363_1B1_499.png After some postprocessing, I removed some files and I would like to…
I like to send a shortcut for refreshing a tab to Firefox. What I have: I have a Linux with working terminal, Firefox and installed xdotool What I have found / tryed: pressing F5 on keyboard refrshing the active tab…