The pushd command remembers the last pushd’ed from directory
#cd /
#pushd /home
#pwd
/home
#pushd
#pwd
/
But quicker is “~-” which will simply take you back to the last working directory
#cd /
#cd /home
#pwd
/home
#cd ~-
#pwd
/
To create a new directory in a Windows Explorer session quickly use:
[CNTL][SHIFT]N
2UEBSXJWSZGW claims my blog.
2UEBSXJWSZGW
Adding my blog to technorati.
Symmetric Keys. with GPG for Windows.
Password encrypt a file with the command:
gpg -vc [FILENAME]
And decrypt it with the command:
gpg -vd [FILENAME]
Flushing DNS:
Windows: ipconfig /flushdns
Linux: service nscd restart
Mac OS X: dscacheutil -flushcache
Is Linux 32b or 64b?
uname -m
i386i686
x86_64
giving permission to read a specific file using sudo:
visudo
#Support Staff
Cmnd_Alias = LOGS = /bin/cat /var/log/squid/access.log, /bin/zcat /var/log/squid/access.log.[0-9].gz
%logaccess ALL (all) NOPASSWD: LOGS
This gives access to the Squid Logs to anyone in the logaccess group.
(sudo zcat /var/log/squid/access.log.1.gz) | grep "microsoft.com"
Proxy.Pac files can be tricky. The way to identify the client is:
myIPAddress()
But this fails occassionally, reporting the LocalHost address instead, especially in Linux.
Additionally, on Windows 7 multiple enabled interfaces can lead to the wrong one reporting back.
There is no fix but DISABLING the inappropriate interfaces and re-enabling them can work.
In vim you can sort all lines by reverse numerics using the command:
:sort! n
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