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====== Some useful things good to know ======

===== git =====

=== error:14090086:SSL routines:SSL3_GET_SERVER_CERTIFICATE:certificate verify failed ===

Solution 1: \\
set GIT_SSL_NO_VERIFY=true

GIT_SSL_NO_VERIFY=true git ...

Solution 2: \\
add git server cert ca chain to your system ca certs. \\
Debian/Ubuntu: place cert to /usr/local/share/ca-certificates and execute update-ca-certificates command


=== error: RPC failed; result=22, HTTP code = 411 ===

Solution: \\
git config http.postBuffer 524288000

===== XCP / Xen =====

=== File "/usr/lib/xcp/lib/pygrub.xcp", line 811, in <module> - fs = fsimage.open(file, part_offs[0], bootfsoptions) - IOError: [Errno 95] Operation not supported ===

pygrub included xen-utils package doesn't support XFS as boot partition until xen-utils version 4.2. Use ext[234] instead of XFS.
http://wiki.xen.org/wiki/PyGrub

===== DB2 =====

=== DB21034E: Set Integrity Pending No Access state ===
db2 connect to <db name> \\
for i in $(db2 connect to <db name> >/dev/null 2>&1 ; db2 SELECT tabname,status,const_checked FROM syscat.tables WHERE status='C' | grep "YYYY" | cut -f 1 -d " " ; db2 terminate >/dev/null 2>&1) ; do db2 set integrity for $i immediate checked ; done \\
db2 terminate

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