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unix:freebsd [2016-07-29T00:01:42+0200]
unix:freebsd [2021-08-26T11:58:10+0200] (current)
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-  * Use ''sysrc'' instead of ''echo'' or heredocs for ''rc.conf'' modifications +==== Use ''sysrc'' instead of ''echo'' or heredocs for ''rc.conf'' modifications ==== 
- +<code bash>
 sysrc setting="value" sysrc setting="value"
 </code> </code>
-   * ''xz'' instead of ''gzip'' for zfs stream compression, e.gfor 24 cores:+ 
 +==== Better top ==== 
 +<sxh bash> 
 +nice top -j -P -S -z -I -t 
 +top -j -S -u -b -w -q -a 
 +==== Reinstall Port ==== 
 +<code bash> 
 +make deinstall install clean 
 +==== Add Disk and move ezjail Jails ==== 
 +<sxh bash> 
 +camcontrol devlist 
 +gpart show da1 
 +gpart create -s GPT da1 
 +gpart add -t freebsd-ufs -a 1M da1 
 +newfs -U /dev/da1p1 
 +mkdir /data 
 +gpart show da1 
 +vim /etc/fstab 
 +mount /data 
 +service ezjail stop 
 +mkdir -p /data/usr/jails 
 +time rsync -aP /usr/jails /data/usr/ 
 +vim /etc/fstab.jail_1 
 +vim /etc/fstab.jail_n 
 +vim /usr/local/etc/ezjail.conf 
 +vim /usr/local/etc/ezjail/jail_1 
 +vim /usr/local/etc/ezjail/jail_n 
 +mv /usr/jails{,_old} 
 +service ezjail start 
 +==== Memory Usage ==== 
 +==== Iterate over iocage jails ==== 
 <code> <code>
-zfs send | xz -T 24 unxz | zfs recv+for j in $(iocage list -q -h cut -f1); do echo "$j:\r" && iocage exec $j freebsd-version; done
 </code> </code>
  • unix/freebsd.1469743302.txt.gz
  • Last modified: 2016-07-29T00:01:42+0200
  • by Wolfgang