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May
21
comment Apache is OK, but what is this in error.log - [mpm_prefork:notice]?
these are not errors, they are just informational notices. error.log is misnamed; much of what goes to it is informational only.
May
4
comment Why does sudo command take long to execute?
@oligofren: you need to do sudo strace
Feb
23
comment mod_security block requests by http-host header
the bittorrent folks suggest 410 instead of 404: engineering.bittorrent.com/2015/01/29/…
Feb
23
comment mod_security block requests by http-host header
see engineering.bittorrent.com/2015/01/29/… for a better way (G/410 instead of F/403, and an explicit ErrorDocument)
Oct
25
comment Has my linux server been attacked?
@scrot: that's pretty typical, having people hit an open port 80 with misc attacks that work on various installed software that may be missing security patches.
Aug
17
comment set up a SSH server
And while you're at it, set an admin password so your neighbors can't reconfigure your router.
Aug
3
comment Ubuntu Replicate Files on Remote Servers
Assumes sshd (package openssh-server) running on the target machine.