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How to combine|merge multiple PDF files into a single file via itext pdf java lib?

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Here you go, the gist code sample using itext 5. How to merge documents correctly?Is there some way to detect the page size and then use that same page size for those documents? Or, if not, is it possible to have it fit to page?I would like to add a link to an existing pdf that jumps to a coordinate on another page.I have the following problem when printing the PDF file after miText Knowledge BaseitextpdfPDF MergerMerge PDFs with iText’s free online app and sandbox.iText pdfiText PDF  

How to expose non http(s) service (Redis, MySql) outside k8s|openshift cluster?

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Image you deployed a redis in memory data structure server in your cluster. The redis server instance can be accessed no doubt for the pods within the cluster. What you should do if you want it be public accessed from outside. OpenShift Container Platform provides multiple methods for communicating from outside the cluster with services running in the cluster. The recommendation, in order or preference, is: If you have HTTP/HTTPS, use a router. If you have a TLS-encrypted protocol other than  

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How to address Let's Encrypt renew failure?

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recently certificate for this site somehow got expired. It should got auto renewed. Since I added schedule event manually via crontab, Ghost cli also added one cron event while you run `ghost setup ssl`. I checked via `crontab -e`: 1 1 1 * * /home/errong_leng/.acme.sh/acme.sh --issue --home /etc/letsencrypt --domain errong.win --webroot /home/errong_leng/www/blog/system/nginx-root --reloadcmd "nginx -s reload" --accountemail errong.leng@gmail.com --force 2 2 2 * * /home/errong_leng/.acme.sh/ac