Questions tagged [redirect]
Redirection is the switching of a standard stream of data so that it comes from a source other than its default source or so that it goes to some destination other than its default destination.
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Pipe to grep to directional operator (to file)
What works: any of these three:
ping 8.8.8.8 | grep 3 // this will steadily output any ping with the number 3 somewhere in the line to the terminal
ping 8.8.8.8 > fileping //this will silently add ...
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Configure Apace for HTTP and HTTPS with redirect secured by lets encrypt
While I have used Linux in the past I am not very knowledgeable with it.
I have installed Apace on Ubuntu Server. I created a virtual host with Apace. All of this went ok. I am able to pull up the ...
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Why can I write to /dev/ttys010 using `>` but not `|` [duplicate]
I am trying to play around and understanding ttys.
In one terminal emulator window, the output of tty gives me
$ tty
/dev/ttys010
So I figured if I write to this device, the terminal window will show ...
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weird apache2/domain redirect
I got a few domains pointing to my ubuntu 20.04.6 server via a record.
I am using apache2 with virtual hosts for all the domains, it always worked great.
But since today i got some weird redirects ...
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How do I stop a job in the background from outputing to the terminal? [duplicate]
I ran make in the terminal for Kismet on my Pi and it's been outputting to the terminal every 10 to 15 seconds, regardless of it is being run in the background or not.
I tried using CTRL+Z and running ...
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nginx: [warn] server name has suspicious symbols with long domain redirect
What is the best way in Nginx to redirect two Long domains URLS, I would like to configure a redirect between two domains like this:
I'm sure this has been asked before, but I can't find a solution ...
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Rewrite Rule not working in .htaccess file Ubuntu 22.04
I've created a .htaccess file for my site running on my own server, Apache Ubuntu 22.04, where everything works fine except for Rewrite Rule. I definitely have mod_rewrite turned on as when I created ...
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apache2 redirect going to default domain
I'm trying to redirect all requests for ardsley73.com (or at least www.ardsley73.com) to www.ardsleyhigh73.com. I tried the following rewrite rule in sites-available/ardsley73.conf, but after enabling ...
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Redirecting issue in firefox browser
I have been using firefox on ubuntu 22 for more than a month and everything was working fine untill 4 days earlier when i first got error relating to security certificate issue and data hijacking. But ...
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Made a weird typo doing a redirect, and the result baffles me
I'm learning bash, and was doing some simple redirect exercises.
Intended to type: echo "hello world" > file1 ; easy-peasy, creates a file called "file1" with the text "...
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How to redirect output to a text file in bash and have it show in the terminal at the same time? [duplicate]
If I use the text re-directors > and >> they output to a text file which is fine for long term logging but, I also need them to be present on screen in the traditional Standard Input, ...
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My Ubuntu 20.04 spits out "logger: socket /dev/log: No such file or directory"
I'm a newbie to Ubuntu. I am trying to run a script that needs access to /dev/log when the following error occurred "logger: socket /dev/log: No such file or directory". Any ideas on how to ...
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If I redirect a URL to someone else's domain, how can I get Twitter/FB/etc. to recognize the meta info?
So within my .htaccess I redirect a non-existent directory to a 3rd party server in this manner, without a glitch.
Redirect 301 /clouds www.ibm.com/cloud/free
However, when I paste my link www....
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One URL redirecting to another on Ubuntu 21.10 impish
So I recently setup a github pages site. When I visit the site at https://example.github.io(Obviously that's not the real url) on my phone(Or any device other than my computer), it works fine. However,...
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How to hide output of first command when using the || operator and exit?
This hides output from the first command, and prints Oops to stderr if it fails. So far, so good.
#!/usr/bin/env bash
invalid_command > /dev/null 2>&1 || >&2 echo "Oops"
...
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2 domains 1 Ubuntu 2 Spring servers
I have 2 domains reditected (using A record) to one IP where Ubuntu server lives. All incoming requests go to running Spring Boot on port 80 (which works now). But I would like to run 2 Spring Boot ...
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How to append date and text to a file as an alias?
I want to create an alias to append a dated note to a file. (The use case I want to reproduce : Sebastian Daschner - How to do effective note taking as developer.
So far I was able to append the date, ...
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Create user home directory on a network share
I have Ubuntu 20.04 machine that I'm preparing for VDI environment.
All the VDI VMs will be joined to our domain.
By default, each user's Home Directory is created locally.
On my NetApp storage I have ...
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How to redirect the output from desktop-entry
I have a program called prg.exe written in C#. I want to run this program in mono with an argument (arg1) and redirect the output to a log file called log.txt.
If I open a terminal and enter the ...
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Redirect output with '>&!'
I know that >& means redirect stderr to stdout.
But I don't know the meaning of >&!, I tried following command but it seems like normal.
Example:
cat xxx.txt >&! xxx.output
My ...
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Can I provide meta tags within .htaccess on a 301 redirect?
I have a specific directory on my server:
www.example.com/myfavrockgroup
Within .htaccess of my server I am doing a 301 redirect:
Redirect 301 /myfavrockgroup https://en.wikipedia.org/wiki/The_Go-Go%...
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Mount / Link non-existent volume directory to a directory
Recently I've removed a volume, /volume2 and moved all the folders to /volume1 but many programs are still looking for files under /volume2
I want to redirect all /volume2 requests to /volume1
I've ...
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Redirects to a website do not complete
Ubantu 20.04 LTS
I have set up this server to replace a very old Mac OS server that will not serve a current version of TLS.
While I was using Apache on the Mac, the version on the Ubantu requires ...
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Help me understand this redirection and the read built-in?
I have a backup script which I'm asking now to (offer to) call a git pull script before actually running the syncs (when run interactively). The syncs are done thusly:
rsync aiSP --delete
The ...
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command history
Which is the most correct answer for this question: Write a one-line command that searches the last 50 commands that have been used for the term "find", and saves the result in history.txt
...
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Redirect Not Working On PHP Extensions
I've just added a load of 301 Redirects and they all work apart from those that include a PHP extension. For example, /gallery/ redirects fine and so does /brochure.pdf but /sitemap.php or any other ...
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Why is the file being emptied during input/output redirection to the same file?
This might look like a very simple question but I haven't been able to come up with a proper explanation so far. Say I use tr to transform some random text(it can be any program) and want to output ...
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top command till a process runs out
I'm running a process and I want to store its CPU usage.
So I used top command
{ test_case.sh > out.log ; } && { sleep 2s ; x=`pidof test_case` ; top -p $x -d 5 -b > cpu.log ; }
But the ...
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Redirect all requests to https://www. using Apache on Ubuntu 18.04
I'm using Ubuntu 18.04 with Apache.
I have the following in /etc/apache2/sites-available/000-default.conf:
<VirtualHost *:80>
RewriteEngine On
RewriteCond %{SERVER_NAME} =www.example.com ...
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Command output is not redirected to file
I want to execute the following command, which is related to Rational ClearCase. The output of this command should be redirected to the file
testout.
Command
rgy_check -vobs > testout
Output
...
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How to get both the output of the time command in a file?
I ran the command time echo "Hello world" | tee output.txt expecting to get the full output to both terminal stdout and the output.txt file. However, the file content is not what I expect :
...
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How can I redirect sox messages to null or a log file
I run the following command to capture the output of audio into a file:
$ sox -t pulseaudio alsa_output.pci-0000_00_1b.0.analog-stereo.monitor -t mp3 test.mp3 silence 1 0.1 3% 1 3.0 3% > /dev/null
...
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How to completely suppress output of a command?
I want this command to work silently,
echo "any_password" | sudo -S true
I tried redirecting the output of stdout and stderr to /dev/null. When I provide the correct password it works as ...
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How does redirecting a command output to a file deals with opening and closing that file?
If we redirect a command such as sar -r 1> a_file.txt how does this works with opening, writing the output of the command and closing the file?
In other words, how does redirecting a command ...
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/etc/hosts block or redirect domain
I tried blocking domains like this:
127.0.0.1 https://facebook.com
127.0.0.1 https://www.facebook.com
But FB open correctly. How can I block or redirect websites on this file?
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Unable to redirect from http to https
Im sure this question got answered above a hundred times (cause i nearly have read them all), but i cant get my apache2 redirection working.
Im a total beginner regarding everything on linux and im ...
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Command that writes to both stdout and stderr
We're doing workshops for internships where we explain the Bash. One topic is redirection, because it's quite important.
So far we explained > and 2> independent from each other. Our examples ...
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Failing to Redirect Output to File
I want to redirect output from "time" to a file. However, my attempts to redirect stdout, stderr, or both, are not working. For example, when I use:
time python process-column.py 2>/tmp/times....
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Declaring stdout as stder
$ cat x
cat: x: No such file or directory
$ cat y
This is y.
$ cat x y 1> hold 2>&1
cat: x: No such file or directory
This is y.
Why stder got redirected to hold as well? stder got declared ...
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htaccess redirect problem
So,
Say I have my shopping cart at foo.com/a
I want to redirect shoppers to foo.com/b
At foo.com my .htaccess contains
RedirectMatch 302 ^/(index\.html)?$ foo.com/b
But people still land on foo....
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here strings versus input redirection
The following example is taken from William Shott's The Linux command line. It is a shell script which gathers user info from the /etc/passwd file. The specific user for which this is done is read ...
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What is the difference between "cat < filename" and "cat filename"?
The simplest way to display file contents is using the cat command:
cat file.txt
I can get the same result using input redirection:
cat < file.txt
Then, what is the difference between them?
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Redirect program ouput to screen and file simultaneously
I have a Python script. I want to save its result while it outputs something in the terminal. I tried
python program.py 2>&1 | tee output.txt
However, it seems only after the program finishes, ...
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Redirect output to file returns permission denied [duplicate]
I'm trying to add some files from a file to another but at time to redirecting output the terminal returns me a message of "Denied permission" and I don't know where I should put sudo.
I tried with ...
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What does >&2 mean in a shell script?
I am doing my homework and I have a question about one line. I don't understand what this >&2 means:
if test -d $2
then echo "$2: Is directory" >&2 ; exit 21
fi
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Whats the difference between 0> and > redirections?
I cant redirect the output of a particular program using > , but it works if i use 0> , e.g
./foo > ouput.txt
./foo 0> output.txt
this program writes to the standard using the C ...
user869841
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How to redirect a command's output to file, when the command is via a wrapper's system call?
I want to redirect both output and stderr to a log file.
Easy enough, right?
python3 /home/user/Utilities/gpu.py L1.py &> log_L1.py.txt &
However, when instead of calling the command ...
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Permanent redirect on Ubuntu for Mosquitto bidirectional MQTT traffic
I need to permanently redirect all traffic in the short term from an old mosquitto server to a new one until the firmware updates have been completed on the edge devices. I tried using iptables as ...
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Redirection cannot open for reading
I ran the following command and I am not able to understand why I am getting this error :
tail /var/log/fontconfig.log 1 >> /home/myuser/b.log
tail: cannot open '1' for reading: No such file or ...
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How to pass 2>/dev/null as a variable?
I have this code that works:
# Hide irrelevant errors so chrome doesn't email us in cron
if [[ $fCron == true ]] ; then
google-chrome --headless --disable-gpu --dump-dom \
"$RobWebAddress"...
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