Commands by wilmoore (2)

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Show which programs are listening on TCP ports
Alternative: $ ss -tlpn

Adding leading zeros to a filename (1.jpg -> 001.jpg)
From: http://grml.org/zsh/zsh-lovers.html

Show a Package Version on Debian based distribution
if you don't want to show string "version?, then use awk or cut filter it: apt-cache show pkgname | grep -i "version:" | awk '{ print $2 }' we can also use regex to search many packages and show their versions: apt-cache search pkgregex | grep -i "version:"

Which processes are listening on a specific port (e.g. port 80)
swap out "80" for your port of interest. Can use port number or named ports e.g. "http"

Repeatedly purge orphaned packages on Debian-like Linuxes
Upgraded Debian/Ubuntu/etc. systems may have a number of "orphaned" packages which are just taking up space, which can be found with the "deborphan" command. While you could just do "dpkg --purge $(deborphan)", the act of purging orphans will often create more orphans. This command will get them all in one shot.

Which processes are listening on a specific port (e.g. port 80)
swap out "80" for your port of interest. Can use port number or named ports e.g. "http"

eDirectory LDAP Search for Statistics
Find statistics for an Edirectory server form LDAPsearch. We have a lot more examples at: http://ldapwiki.willeke.com/wiki/Ldapsearch%20Examples The full command got shut off it is: ldapsearch -h ldapserver.willeke.com -p636 -e C:\mydata\treerootcert.der -b "" -s base -D cn=admin,ou=administration,dc=willeke,dc=com -w secretpwd "(objectclass=*)" chainings removeEntryOps referralsReturned listOps modifyRDNOps repUpdatesIn repUpdatesOut strongAuthBinds addEntryOps compareOps wholeSubtreeSearchOps modifyEntryOps searchOps errors simpleAuthBinds inOps oneLevelSearchOps inBytes abandonOps bindSecurityErrors securityErrors unAuthBinds outBytes extendedOps readOps dsaName directoryTreeName vendorVersion vendorName

Fix VirtualBox error

sort a JSON blob
For situations where you keep JSON in a VCS and you want your diffs to be sane, such as within a Chef configuration repo.

Convert (almost) any video file into webm format for online html5 streaming


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