VCMD HowTo - Revision history

Glenn: spelling

2011-10-21T19:01:11Z

spelling

Glenn: +cat

2011-10-21T18:57:18Z

+cat

Daniel hozac: Revert line-break

2007-01-20T15:35:41Z

Revert line-break

Daniel hozac: Add a linebreak

2007-01-20T14:49:35Z

Add a linebreak

Daniel hozac: add a useful snippet

2007-01-20T14:48:25Z

add a useful snippet

80.123.22.221: /* VCMD one-liners (by Bertl) */ added cpuhog

2006-11-23T17:55:47Z

‎VCMD one-liners (by Bertl): added cpuhog

Bertl: added dentry set

2006-11-08T02:39:56Z

added dentry set

Hollow: Linux-VServer-Hacks moved to VCMD HowTo: needed a more descriptive name, should be extended with some introduction to vcmd

2006-10-21T01:25:18Z

Linux-VServer-Hacks moved to VCMD HowTo: needed a more descriptive name, should be extended with some introduction to vcmd

Bertl at 16:06, 8 August 2006

2006-08-08T16:06:56Z

New page

== VCMD one-liners (by Bertl) ==

* create a non virtualized init task
: <pre>vcmd -i 100 -BC ctx_create .flagword=^34^33^32 -- vcmd -i -1 -BC set_cflags .mask=^33 -- cat /proc/self/status</pre>

* create a virtualized init task
: <pre>vcmd -i 100 -BC ctx_create .flagword=^34^33^32^4 -- vcmd -i -1 -BC set_cflags .mask=^33 -- cat /proc/self/status</pre>

← Older revision		Revision as of 19:01, 21 October 2011
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	: <pre>dmesg \| while read vxd vc vcmd LINE; do test "$vxd $vc" != "vxD: vc:" && continue; vcmd=${vcmd/,/}; text=`vcmd -d -C "$vcmd" \| head -n 1 \| sed 's/://'`; test "$text" = "unknown VCMD" && text="$vcmd"; printf "%-30s %s\n" "$text" "$LINE"; done</pre>		: <pre>dmesg \| while read vxd vc vcmd LINE; do test "$vxd $vc" != "vxD: vc:" && continue; vcmd=${vcmd/,/}; text=`vcmd -d -C "$vcmd" \| head -n 1 \| sed 's/://'`; test "$text" = "unknown VCMD" && text="$vcmd"; printf "%-30s %s\n" "$text" "$LINE"; done</pre>

−	[[Category:~~Documentaion~~]]	+	[[Category:Documentation]]

← Older revision		Revision as of 18:57, 21 October 2011
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	* translate switch debugging to readable names		* translate switch debugging to readable names
	: <pre>dmesg \| while read vxd vc vcmd LINE; do test "$vxd $vc" != "vxD: vc:" && continue; vcmd=${vcmd/,/}; text=`vcmd -d -C "$vcmd" \| head -n 1 \| sed 's/://'`; test "$text" = "unknown VCMD" && text="$vcmd"; printf "%-30s %s\n" "$text" "$LINE"; done</pre>		: <pre>dmesg \| while read vxd vc vcmd LINE; do test "$vxd $vc" != "vxD: vc:" && continue; vcmd=${vcmd/,/}; text=`vcmd -d -C "$vcmd" \| head -n 1 \| sed 's/://'`; test "$text" = "unknown VCMD" && text="$vcmd"; printf "%-30s %s\n" "$text" "$LINE"; done</pre>
		+
		+	[[Category:Documentaion]]

@@ Line 14: / Line 14: @@
 * translate switch debugging to readable names
-: <pre>dmesg | while read vxd vc vcmd LINE; do test "$vxd $vc" != "vxD: vc:" && continue; vcmd=${vcmd/,/}; text=`vcmd -d -C "$vcmd" | head -n 1 | sed 's/://'`;
+: <pre>dmesg | while read vxd vc vcmd LINE; do test "$vxd $vc" != "vxD: vc:" && continue; vcmd=${vcmd/,/}; text=`vcmd -d -C "$vcmd" | head -n 1 | sed 's/://'`; test "$text" = "unknown VCMD" && text="$vcmd"; printf "%-30s %s\n" "$text" "$LINE"; done</pre>
 test "$text" = "unknown VCMD" && text="$vcmd"; printf "%-30s %s\n" "$text" "$LINE"; done</pre>

← Older revision		Revision as of 14:49, 20 January 2007
Line 14:		Line 14:

	* translate switch debugging to readable names		* translate switch debugging to readable names
−	: <pre>dmesg \| while read vxd vc vcmd LINE; do test "$vxd $vc" != "vxD: vc:" && continue; vcmd=${vcmd/,/}; text=`vcmd -d -C "$vcmd" \| head -n 1 \| sed 's/://'`; test "$text" = "unknown VCMD" && text="$vcmd"; printf "%-30s %s\n" "$text" "$LINE"; done</pre>	+	: <pre>dmesg \| while read vxd vc vcmd LINE; do test "$vxd $vc" != "vxD: vc:" && continue; vcmd=${vcmd/,/}; text=`vcmd -d -C "$vcmd" \| head -n 1 \| sed 's/://'`;
		+	test "$text" = "unknown VCMD" && text="$vcmd"; printf "%-30s %s\n" "$text" "$LINE"; done</pre>

← Older revision		Revision as of 14:48, 20 January 2007
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	* start a cpuhog with sched_hard (supposed to get 25% by default)		* start a cpuhog with sched_hard (supposed to get 25% by default)
	: <pre>vcmd -i 100 -BC ctx_create .flagword=^34^33^32^8 -- cpuhog</pre>		: <pre>vcmd -i 100 -BC ctx_create .flagword=^34^33^32^8 -- cpuhog</pre>
		+
		+	* translate switch debugging to readable names
		+	: <pre>dmesg \| while read vxd vc vcmd LINE; do test "$vxd $vc" != "vxD: vc:" && continue; vcmd=${vcmd/,/}; text=`vcmd -d -C "$vcmd" \| head -n 1 \| sed 's/://'`; test "$text" = "unknown VCMD" && text="$vcmd"; printf "%-30s %s\n" "$text" "$LINE"; done</pre>

← Older revision		Revision as of 17:55, 23 November 2006
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	* set context 100 dentry (hard) limit (22) to 4000		* set context 100 dentry (hard) limit (22) to 4000
	: <pre>vcmd -i 100 -BC set_rlimit .id=22 .maximum=4000</pre>		: <pre>vcmd -i 100 -BC set_rlimit .id=22 .maximum=4000</pre>
		+
		+	* start a cpuhog with sched_hard (supposed to get 25% by default)
		+	: <pre>vcmd -i 100 -BC ctx_create .flagword=^34^33^32^8 -- cpuhog</pre>

← Older revision		Revision as of 02:39, 8 November 2006
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	* create a virtualized init task		* create a virtualized init task
	: <pre>vcmd -i 100 -BC ctx_create .flagword=^34^33^32^4 -- vcmd -i -1 -BC set_cflags .mask=^33 -- cat /proc/self/status</pre>		: <pre>vcmd -i 100 -BC ctx_create .flagword=^34^33^32^4 -- vcmd -i -1 -BC set_cflags .mask=^33 -- cat /proc/self/status</pre>
		+
		+	* set context 100 dentry (hard) limit (22) to 4000
		+	: <pre>vcmd -i 100 -BC set_rlimit .id=22 .maximum=4000</pre>