FreeBSD

共691篇文章。

NetBSD gots impressive result in their system call result

• Kernel

A post on tech-kern has suggested that NetBSD has better performance on several aspects. I think FreeBSD should take some of their ideas. What’s more, I believe it’s more important to have something that is unique in FreeBSD, not doing what’s the equivalent because “Solaris have this” :-)

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For those who just migrate from RedHat Linux...

• Cheatsheets

Just for fun:

Add the following to your /etc/csh.cshrc:
setenv LSCOLORS ExGxFxdxCxegedabagExEx
setenv CLICOLOR yes
set prompt = ‘[%B%n@%m%b] %B%~%b%# ’
set autolist
bindkey “^W” backward-delete-word
bindkey -k up history-search-backward
bindkey -k down history-search-forward

And execute:
sed -i.bak -E s/set\ prompt/#set\ prompt/g /root/.cshrc

Then re login.

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Strange panic as Christmas eve's gift?

• Kernel

Sigh, I got this:

This doesn’t seem to be possible to my best of knowledge. What happend?

It’s 5.3-RELEASE-p2, and the panic string was: panic: pmap_enter: invalid page directory pdir=0xc1e063, va=0xffc00000

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Ruslan begins his NOFOO->NO_FOO work

• Development

Traditionally, FreeBSD has many NO_FOO knobs while it also has NOFOO knobs that is quite confusing. Today, Ruslan Ermilov (The Makefile guru at FreeBSD campaus) has started his NOFOO -> NO_FOO conversion, this will make everything consist.

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FreeBSD RELENG_4 opens again

• Kernel

It’s now consered as a legacy branch like RELENG_2_2 and RELENG_3. Future commits to RELENG_4 no longer needs re@’s approval, but only those committed to RELENG_4_11 (with re@’s approval, of course) will go to 4.11-RELEASE. 4.11-RELEASE will be the final 4-STABLE release and it will be a errata release.

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Fast jail vs qmail

• Security

It seems that the official FreeBSD qmail port’s disable-qmail (as well as the Live with Qmail documentation) will need write access to /usr/bin and /usr/libexec, and hence the “fast jail” script I have written has been rendered useless :-(

I will investigate the issue this weekend and hopefully I will be able to work around the issue.

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