Skiplist recovery – Science IT [recover Cyrus IMAP <mailbox>.seen database]
Thursday, March 5th, 2009This note explains how you can recover corrupted skiplist databases used by cyrus to keep track of the mailbox status (eg READ/UNREAD email).
Archive for the 'sysadmin' Category
Lazy Linux: 10 essential tricks for admins
Wednesday, March 4th, 2009really good article. If you did not find at least 1 useful trick in this article you must be really cool (like Linus himself)
GlusterFS – GlusterDocumentation
Monday, February 23rd, 2009fully-distributed network file system (fully = no separate meta-data servers ). Supports data redundancy (data can be stripped/mirrored across several nodes), supposed to be high performance. supports encryption and can be embedded in app server (i….
[RUS] Юникс и другие » Blog Archive » Построение отказоустойчивого балансировщика нагрузки на базе Perlbal/Heartbeat
Thursday, January 29th, 2009[RUSSIAN] How to configure Perlball + Heartbeat as HA load balancer with session support for app servers
[technet.microsoft.com] Interop: Authenticate Linux Clients with Active Directory
Friday, November 14th, 2008tehcnet article on providing authentication against AD using samba/winbind
Installing source package with YUM
Friday, November 14th, 2008in the essence it is:
An Illustrated Guide to the Kaminsky DNS Vulnerability
Monday, August 11th, 2008exellent explanation for the much-hyped Dan Kaminsky DNS vuln. This is for people for whom word “DNS” sounds like it’s in elvish
[how to queue messages for sendmail] sendmail queue questions – comp.mail.sendmail | Google Groups
Monday, July 28th, 2008some bits about how to queue mgs for sendmail as opposed to inistate sending.
Why power failures are bad for your data
Friday, July 25th, 2008artilcle tells what happens when u pull the plug … in short nothing good will happen, so use UPS! read article for details
Remote Conversion to Linux Software RAID-1 for Crazy Sysadmins HOWTO
Thursday, July 24th, 2008how to convert single disk install to linux software raid1 (this guide also assumes that u don’t have local access)