I've been running into trouble managing sentinels on our jaseci server. The command to update the jir file for a sentinel doesn't seem to change anything when I run it, and so my current workflow is to delete all previously used sentinels and graphs and create new ones when I wish to change any part of the jaseci code. I imagine there must be an easier way to do this, and I think I must be misunderstanding something about how sentinels work.
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I want to build a simple script that may be useful for others as well, but I have only very basic programming knowledge and can't do it myself without learning how to write powershell scripts from scratch.
What this script is supposed to do is, open an INI file (really just a txt), look for a variable with an assigned value and replace that value from a txt hosted on GitHub, save and then run a program.
This is for the tracker list of qBittorrent, since that feature still hasn't been implemented and the only other script that I could find that does this is for linux and mac, there seem to be none for windows.
The basic idea is this:
get-content "c:\users\[user]\appdata\roaming\qbittorrent\qbittorrent.ini"
# This is where pseudo code starts
get file from "[github-link.txt]"
save file to cache # keeping it is useless as it gets updated daily
find variable "Session\AdditionalTrackers=" in qbittorrent.ini
replace value of variable with content of cached file # this is what I struggle with most when looking for example code. Everything I could find specified the exact string that needed replacing, which in this case is quite long and may change with every update of the file.
overwrite original file
launch program qbittorrent.exe
end script
Conveniently or most likely deliberately all (most) of the tracker lists on GitHub are already formatted in a way that they can be directly pasted into the file without having to worry about formatting. Example.
I can totally understand if nobody wants to do the work, but I would greatly appreciate it and possibly others that are looking for a stopgap for the lacking feature.
If this already exists, go ahead and call me an idiot and while you're at it drop a link ;)
I just found a little tool called Power Automate and it pretty much does what I was looking for. It's not quite as elegant as a single click script but it does the job. Sadly I can't share the "flow" I built because, well, there is no option for it - thanks Microsoft. So, I'll try my best to write it out.
Not quite a "solution" but pretty to close to it.
Here is the "flow":
get file from web // from github for example
read text from file // read downloaded .txt file
read text from file // read qBittorrent.ini
crop text // crop between flags in qBittorrent.ini use "Session\AdditionalTrackers=" as start and "Session\GlobalMaxRatio=" as end and save to cropVar2
crop text // crop before flag use "Session\AdditionalTrackers=" as flag and save to cropVar1
crop text // crop after flag use cropVar2 as flag and save to cropVar3
replace text // replace cropVar2 with content of downloaded file and save to cropVar2
write text to file // write cropVar1,cropVar2,cropVar3
end flow
Keep in mind that any changes to the qBittorrent.ini may change the order of the entries. Which means you have to check if it's still correct after every update and after every change you make in the options. This is a massive cludge after all...
You can input fail saves so that you won't break anything if the order changed.
I use many VS Code workspaces throughout the day. Most of them are backed by directories on NFS-mounted drives, which are only mounted while I'm VPN'd in to my employer's network. Opening VS Code while not VPN'd in will cause all of my windows to close, leaving me with blank/empty workspaces, and then I have to set them all back up again in the morning. It only takes a few minutes to do, but I'm lazy and it's not neat; I like things neat. I know that I can start VS Code without any workspaces using the -n option, which is great, but then the next time I start up the editor for real (i.e. for work purposes), all of my workspaces need to be reopened again (see previous statement re: I'm lazy and I like things neat).
Is there a way to indicate that I want to start VS Code without any project just this one time, and then the next time I start I want all of my old workspaces to reopen as normal? Alternately, does anyone know where the state information is stored and how to edit it? I have no qualms about saving it off and then restoring it after I'm done.
Absent any miracle solution, I've at least found the correct file to manipulate: the storage.json file, which on MacOS is found at:
~/Library/Application Support/Code/storage.json
I wrote a Perl script to do the manipulation. When I want to go "offline" it reads in the JSON file, loops through the opened windows, identifies the ones I don't want, and removes them using jq, then launches VS Code. When I'm ready to go back "online", I read a backup of the original file looking for the windows I previously removed, adds them back in (also using jq), and then launches VS Code.
The Perl script is a bit rough around the edges to be posted publicly, but people might find the jq helpful. To delete, you want to identify the windows to be removed as (zero-based) indexes in the array, and then delete them with the following:
jq '. | del(.windowsState.openedWindows[1,2,5])' '/Users/me/backups/online-storage.json' >'/Users/me/Library/Application Support/Code/storage.json'
If you want to add them back in at some point, you extract the full JSON bits from the backup file, and then use the following command to append them to the back of the array:
jq '.windowsState.openedWindows += [{"backupPath":"...",...,"workspaceIdentifier": {...}}, {"backupPath":"...",...,"workspaceIdentifier": {...}}, {"backupPath":"...",...,"workspaceIdentifier": {...}}]' '/Users/me/backups/offline-storage.json' >'/Users/me/Library/Application Support/Code/storage.json'
The inserted JSON is elided for clarity; you'll want to include the full JSON strings, of course. I don't know what significance the ordering has, so pulling them out of the middle of the array and appending them to the end of the array will likely have some consequence; it's not significant for my purposes, but YMMV.
Specs: SAS 9.3, GNU emacs 23.4.1 (2012-06-05), and what I think is kind of an old version of ESS (sometime in 2001 maybe?). Unix -- I think SunOS 5.10.
I'm a fairly new emacs user and a very new user of ESS[SAS]. I have noticed that code which works when submitted as an entire file will not work when I submit it region by region. Here is an example:
libname mylib "/.";
data temp; set mylib.temp; run;
Assume that I have a directory as specified in libname and there is a SAS dataset called temp in it -- my code works properly when I submit the whole thing, but if I run just the first line and then the second, it tells me that "mylib" is not defined.
Based on the behavior of the log files -- the second submission creates a log file that overwrites the first -- I think what is going on is that it's starting a new SAS session with each submission. Why might it be doing this? (ESS does not do that with R code -- I can run a snippet to define a variable and then that variable stays defined.) I find I make fewer programming errors if I test things incrementally rather than running all my code in batch mode, and the GUI for SAS in unix leaves something to be desired, so I would really like to find a fix to this.
The only other clue I have is a pair of warnings I get on every submission:
NOTE: Unable to open SASUSER.REGSTRY. WORK.REGSTRY will be opened
instead.
NOTE: All registry changes will be lost at the end of the session.
WARNING: Unable to copy SASUSER registry to WORK registry. Because of
this,you will not see registry customizations during this session.
NOTE: Unable to open SASUSER.PROFILE. WORK.PROFILE will be opened
instead.
NOTE: All profile changes will be lost at the end of the session.
I googled those warnings separately and found they're commonly associated with a corrupt profile, but unfortunately the recommended fix did not fix anything (after deleting the iffy profile, it just restored itself and the error persisted). I am not sure whether this is related or not.
I realize this question might be out of scope for stackoverflow; if it is, a redirect to a more appropriate forum would be much appreciated.
I am looking for a tool that would ease the modification of text configuration files for tasks like:
Set ForwardAgent yes on /etc/ssh/ssh_config
Append HGUSER to AcceptEnv in /etc/ssh/sshd_config (that's more complex as it does accept several params, if yours is not alread there it should add it)
Most important:
running it several times should have no side effects.
if something looks weird, it should complain (for example if you find the same line several times in a file, or if the expected syntax does not match).
Is there any linux tool that can easily be used to automate things like this?
The whole point is to be able to write these config patches somewhere so you can deploy them on several machines or on a new machine when needed.
I would certainly do this with bash scripting. Here is a great tutorial.
http://linuxconfig.org/Bash_scripting_Tutorial
to change a line in a file you could do something like:
check the file exists
grep for the value you want to change - error if it appears multiple times or something
use sed to change that line
to append something to a file
check if file exists
grep to ensure it hasn't been appended to already
echo whatever >> file - the double greater than appends to a file
with each of these I would make a backup copy of the file first, just in case something goes wrong
You might want to have a look at the Unified Configuration Interface (UCI) used in Embedded Linux systems. If you have the flexibility to adapt the UCI format for your config files, this is pretty similar to what you are looking for.
I'm in the planning stages of a script/app that I'm going to need to write soon. In short, I'm going to have a configuration file that stores multiple key value pairs for a system configuration. Various applications will talk to this file including python/shell/rc scripts.
One example case would be that when the system boots, it pulls the static IP to assign to itself from that file. This means it would be nice to quickly grab a key/value from this file in a shell/rc script (ifconfig `evalconffile main_interface` `evalconffile primary_ip` up), where evalconffile is the script that fetches the value when provided with a key.
I'm looking for suggestions on the best way to approach this. I've tossed around the idea of using a plain text file and perl to retrieve the value. I've also tossed around the idea of using YAML for the configuration file since there may end up being a use case where we need multiple values for a key and general expansion. I know YAML would make it accessible from python and perl, but I'm not sure what the best way to access it from a quickly access it from a shell/rc script would be.
Am I headed in the right direction?
One approach would be to simply do the YAML as you wanted, and then when a shell/RC wants a key/value pair, they would call a small Perl script (the evalconffile in your example) that would parse YAML on the shell script's behalf and print out the value(s)
SQLite will give you greatest flexibility, since you don't seem to know the scope of what will be stored in there. It appears there's support for it in all scripting languages you mentioned.