New answers tagged command-line
3
votes
Accepted
Opening .xlsx file in linux terminal
xlsx is actually a zip file containing a directory structure of XML documents, describing different aspects of your spreadsheet.
Yes, you can unzip these files into a directory, and access the XML ...
- 34.5k
0
votes
How to verify a checksum using one command line?
Building on this:
sha256() {
printf '%s %s\n' "$1" "$2" | sha256sum --check
}
You can also add this function
sha256() {
sha256sum "$1" | sed "s| .*| $2|&...
- 1
0
votes
How to configure hostapd.conf for wps push button?
Here is a minimal setup:
ctrl_interface=/var/run/hostapd
wps_state=2
config_methods=virtual_push_button
It is then possible to use hostapd_cli to push the virtual button. Run hostapd_cli without ...
- 6,670
1
vote
Sunrise and other astronomical data from the command line
FYI on macOS (at least 14.6.1):
% /usr/libexec/corebrightnessdiag sunschedule
Night Shift Sunset/Sunrise
{
isDaylight = 0;
nextSunrise = "2024-09-12 20:04:10 +0000";
nextSunset = ...
- 11
0
votes
Why am I not able to change the shell with the chsh command?
I've also had success on some systems with
ypchsh
These systems usually use NIS, and you can sort of figure out that something is wrong b/c chsh gives a permission denied error.
- 121
1
vote
Accepted
Command-line option to disable too many processes in htop
There is no command-line option in htop to do this, not even an undocumented option.
As noted by Kamil Maciorowski, if you start htop once, toggle the display of threads (H), and exit, the setting is ...
- 450k
0
votes
Is there a robust command line tool for processing csv files?
This is a fix for Alpaca's earlier answer which was on the right track, but didn't actually work.
$ printf 'c0,c1,c2\n"this, is the first entry", this is the second, 34.5' |
sqlite3 -cmd '....
- 547
0
votes
Is there a robust command line tool for processing csv files?
DuckDB can query CSV files directly, including from standard input on Unix like operating systems:
$ echo '"this, is the first entry", this is the second, 34.5' |
duckdb -c 'SELECT * FROM ...
- 547
0
votes
Is there a robust command line tool for processing csv files?
csvtk can read and process CSV files and csvtk cut in particular can select specific columns from an input CSV file:
$ echo '"this, is the first entry", this is the second, 34.5' |
csvtk ...
- 547
0
votes
Can I run GUI programs without needing a desktop environment?
You can run them on a virtual server:
Install:
xorg-server-xvfb
Then run:
xvfb-run [command]
0
votes
Make a bootable USB on Kali Linux
I've created a script get the job done especially for you <3
all you have to do is type this down in the terminal:
git clone https://gist.github.com/c2205135f27e5377bf0f7101182256a2.git
cd ...
2
votes
Looking to add or append terms in multiple lines using sed command
sed '/User1/s/$/ User2/' file
Would append User2 to lines that contain User1 but note that these lines also contain User1:
ControlUser1.5: alice joe
foo: User12
bar: OtherUser1
So it should ...
- 559k
3
votes
High CPU usage by process with obfuscated name on Linux server – Potential attack?
My answers:
no; garbled command names is nothing new and that alone does not mean it is malware. As for it being unknown... you see a UFO does that mean it's aliens coming to take over no, it just ...
- 7,423
44
votes
High CPU usage by process with obfuscated name on Linux server – Potential attack?
There was a very similar question in this site few years ago: Process with weird random name consuming significant network and CPU resources. Is someone hacking me?. In that specific question, there ...
- 6,502
1
vote
Pausing terminal output
You can use tee to log all outputs in a file and as well as show in console. This doesn't pause the program like XON/XOFF flow controls or less (as pausing may cause issue in program like timeout)
- 11
4
votes
Could linux give clearer error messages to distinguish files from directories?
In mkdir’s case, the underlying mkdir function doesn’t distinguish files from directories; it returns an error, EEXIST, corresponding to “File exists”.
In rm’s case, the removal fails with an EISDIR ...
- 450k
0
votes
Markdown Viewer
Markdown Document Renderer (MDR)
A fast, light-weight option is mdr.
Some things I really like about mdr compared to other alternatives:
It's available in most package managers and/or is easily ...
- 113
0
votes
Trying to mount a drive, but Mint can't find it?
First, check to see if sdb1 and sdb2 are in /proc/partitions. If they are, the problem lies in creation (or removal of) of the device nodes.
If they are not, try running partprobe /dev/sdb as root. ...
- 1,716
2
votes
How to launch a GUI-application from terminal while keeping the terminal on the front and the cursor on terminal
As long as you're in a graphical context, and don't plan to close your shell right away, the old, traditional & will do the trick.
mupdf somepdffile.pdf &
mupdfpid=$!
I'm having you save the ...
- 5,490
0
votes
Print UTF-8 file with command line tools
Here is a small shell script I use since more than 20 years for old
printers who don't manage UTF-8 ( source pr8.sh, installed as /opt/bin/pr8 ) :
#!/bin/sh
case $1 in
-r) opts="$1"
...
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