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My docker container has no internet
...
First thing to check is run cat /etc/resolv.conf in the docker container. If it has an invalid DNS server, such as nameserver 127.0.x.x, then the container will not be able to resolve the domain names into ip addresses, so ping google.com will fail.
Second ...
How to delete a word and go into insert mode in Vim?
...ered Sep 7 '09 at 4:50
too much phptoo much php
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How to get the result of OnPostExecute() to main activity because AsyncTask is a separate class?
...g receivedData = new AsyncTask().execute("http://yourdomain.com/yourscript.php").get();
}
catch (ExecutionException | InterruptedException ei) {
ei.printStackTrace();
}
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EOL conversion in notepad ++
...en files "directly" from WinSCP which opens the files in Notepad++
I had a php files on my linux server which always opened in Mac format no matter what I did :-(
If I downloaded the file and then opened it from local (windows) it was open as Dos/Windows....hmmm
The solution was to EOL-convert th...
Linux日志切分工具：Logrotate - 更多技术 - 清泛网 - 专注C/C++及内核技术
...绍
显而易见，Logrotate是基于CRON来运行的，其脚本是「/etc/cron.daily/logrotate」：
#!/bin/sh
/usr/sbin/logrotate /etc/logrotate.conf
EXITVALUE=$?
if [ $EXITVALUE != 0 ]; then
/usr/bin/logger -t logrotate "ALERT exited abnormally with [$EXITVALUE]"
fi
exit 0
实...
How to change Elasticsearch max memory size
...one of the above answers worked for me.
I tried changing ES_HEAP_SIZE in /etc/default/elasticsearch and in etc/init.d/elasticsearch, but when I ran ps aux | grep elasticsearch the output still showed:
/usr/bin/java -Xms2g -Xmx2g # aka 2G min and max ram
I had to make these changes in:
/etc/elas...
Postgres dump of only parts of tables for a dev snapshot
...d this approach in the past and it only took something like 20-30 lines of PHP.
Modify pg_dump so it accepts a condition along with the -t switch when dumping a single table.
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Looping through the content of a file in Bash
...set inside the loop are lost when it exits (see bash-hackers.org/wiki/doku.php/mirroring/bashfaq/024). This can be very annoying (depending on what you're trying to do in the loop).
– Gordon Davisson
Oct 6 '09 at 0:57
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Jenkins / Hudson environment variables
...e the path that Jenkins uses, you have two options (AFAIK):
1) Edit your /etc/profile file and add the paths that you want there
2) Go to the configuration page of your slave, and add environment variable PATH, with value: $PATH:/followed-by/paths/you/want/to/add
If you use the second option, you...
httpd: Could not reliably determine the server's fully qualified domain name, using 127.0.0.1 for Se
... FQDN:
host.server4-245.com
Choose an FQDN and include it both in your /etc/hosts file on both the IPv4 and IPv6 addresses you are using (in your case, localhost or 127.0.0.1), and change your ServerName in your httpd configuration to match.
/etc/hosts:
127.0.0.1 localhost.localdomain localh...