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Test if remote TCP port is open from a shell script
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@jolestar You can manually upgrade Ncat on Centos 7 to get the -z option. You may want to consider: unix.stackexchange.com/questions/393762/…
– Damien Ó Ceallaigh
Sep 22 '17 at 4:03
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Github (SSH) via public WIFI, port 22 blocked
...nfig
Add
Host github.com
Hostname ssh.github.com
Port 443
Source: https://help.github.com/articles/using-ssh-over-the-https-port
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Efficiently test if a port is open on Linux?
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The -z flag is not available in the nmap based ncat which most recent distros ship with: Fedora, Centos, etc. (nmap-ncat-6.01-9.fc18.x86_64)
– Zack
Dec 20 '15 at 14:13
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Linux - Install redis-cli only
...dis-cli
sudo cp src/redis-cli /usr/local/bin/
With Docker I normally use https://registry.hub.docker.com/_/redis/. If I need to add redis-cli to an image I use the following snippet.
RUN cd /tmp &&\
curl http://download.redis.io/redis-stable.tar.gz | tar xz &&\
make -C red...
Minimal web server using netcat
...he oldest of the bunch, and no longer maintained). There’s also Nmap’s Ncat. I bring this up because I think it’s worth noting that the -l and -p flags together are only considered an error in the BSD flavor of nc, hence the alternate syntax given by @matlehmann
– Mark G....
Generic htaccess redirect www to non-www
...RewriteBase /
RewriteCond %{HTTP_HOST} ^www\.(.*)$ [NC]
RewriteRule ^(.*)$ https://%1/$1 [R=301,L]
Same as Michael's except this one works :P
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Redirect non-www to www in .htaccess
...*)$ http://www.%{HTTP_HOST}/$1 [R=301,L]
If you need to support http and https and preserve the protocol choice try the following:
RewriteRule ^login\$ https://www.%{HTTP_HOST}/login [R=301,L]
Where you replace login with checkout.php or whatever URL you need to support HTTPS on.
I'd argue thi...
What is a good regular expression to match a URL? [duplicate]
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Regex if you want to ensure URL starts with HTTP/HTTPS:
https?:\/\/(www\.)?[-a-zA-Z0-9@:%._\+~#=]{1,256}\.[a-zA-Z0-9()]{1,6}\b([-a-zA-Z0-9()@:%_\+.~#?&//=]*)
If you do not require HTTP protocol:
[-a-zA-Z0-9@:%._\+~#=]{1,256}\.[a-zA-Z0-9()]{1,6}\b([-a-zA-Z0-9()@:%_\+...
htaccess redirect to https://www
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To first force HTTPS, you must check the correct environment variable %{HTTPS} off, but your rule above then prepends the www. Since you have a second rule to enforce www., don't use it in the first rule.
RewriteEngine On
RewriteCond %{HTT...
.htaccess - how to force “www.” in a generic way?
...Cond %{HTTP_HOST} !=""
RewriteCond %{HTTP_HOST} !^www\. [NC]
RewriteCond %{HTTPS}s ^on(s)|
RewriteRule ^ http%1://www.%{HTTP_HOST}%{REQUEST_URI} [R=301,L]
The first condition checks whether the Host value is not empty (in case of HTTP/1.0); the second checks whether the the Host value does not beg...