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Good free images hosting services on the Web?
Suggestions on some good free images hosting services on the Web? Two good free image hosting websites: Imgur: http://imgur.com/ Postimage.org: http://postimage.org/ Read more: Shared hosting services with SSH enabled Free server images – SysTutorials QA Where to search and download free images? Are there good free CDNs on the Web How to get a free…
How to set Zimbra web service’s hostname and port?
In Zimbra server, how to set Zimbra web service’s hostname and port? Set Zimbra Web service’s host and port (to mail.domain.com:80 as an example) for a mail domain domain.com: zmprov md domain.com zimbraPublicServiceHostname mail.domain.com zmprov md domain.com zimbraPublicServicePort 80 Reference: https://wiki.zimbra.com/wiki/When_using_a_proxy,_the_’change_password’_box_doesn’t_load Read more: How to get the version of Zimbra? Good free images hosting services…
How to quickly find out failed disks’ SATA port in Linux? (how to map Linux disk names to SATA ports)
I find one disk failed on my server which have several ones installed. I know the disk’s name in Linux (e.g. sda, sdb). However, the Linux disk name to SATA port mapping does not follow the same order. Now, I want to find out the failed disks. How to quickly find out them and which…
Extracting EC Public Keys with OpenSSL
In the realm of cryptography, handling and managing keys is a crucial task. The command provided is a series of operations using OpenSSL and other command-line utilities to extract and format an elliptic curve (EC) public key. Let’s break down the command to understand its purpose and functionality. The Command Extracting EC Public Keys with…
scanf is dangerous, but what is the reason?
We all know scanf / fscanf / sscanf is dangerous. But why? what is the exact reason? I thought the ‘%s’ is a problem that causes buffer overflow and ‘fgets’ is a better solution. But is it the exact reason? I pased a discussion by AndreyT and his discussion helps me figure it out: Claiming…
Synchronizing Thunderbird Calendar with Apple iCloud Calendar
Thunderbird is a nice email client and calendar management software. iCloud calendar is the native calendar cloud service in Apple devices such as iPhone. So far there is no native support from Thunderbird to support iCloud calendar, excepting reading the read-only public iCloud calendars which has privacy concerns as long as lacks of editing functionalities….