I forbindelse med d\u00e5rlig “shared memory” styring p\u00e5 noen av applikasjonene p\u00e5 jobb ser jeg for meg f\u00f8lgene implementering.<\/p>\n
1. List ut shared memory segmenter (ipcs -m)
\n2. List ut p\u00e5loggede brukere (w)
\n3. Slett alle shared memory segmenter fra brukere som ikke lenger er p\u00e5logget(ipcrm).<\/p>\n
if [[ "$1" = "-h" || "$1" = "–help" ]]; then
\ncat <<EOM<\/p>\n
$self:
\n $self\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 list leftover
\n $self -r\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 list and remove leftover
\n $self -h or –help this text<\/p>\n
EOM
\nexit 0
\nfi<\/p>\n
if [ "$(id -u)" != "0" ]; then
\n echo "$self must be run as root"
\n exit 1
\nfi<\/p>\n
if [ -f \/etc\/redhat-release ] ; then
\n if [[ ! `cat \/etc\/redhat-release | sed s\/.*release\\ \/\/ | sed s\/\\ .*\/\/` = "3" ]] ; then
\n echo "$self only tested on RHEL3"
\n exit 1
\n fi
\nfi<\/p>\n
ps -ef | egrep -v "clamav|daemon|root|rpc|smmsp|UID|xfs|gdm|ntp" | awk ‘{print $1}’ | sort -u > \/tmp\/online_ps
\nw | egrep -v "root|USER|load average" | awk ‘{print $1}’ | sort -u > \/tmp\/online_w
\ncat\u00a0 \/tmp\/{online_ps,online_w} | sort -u > \/tmp\/online_
\nfilter=`awk ‘{printf "%s",$0"|"}; END{print "root|gdm|Shared|shmid|Memory|owner|Message|msqid|Semaphore"}’ \/tmp\/online_`
\nrm -f \/tmp\/{online_ps,online_w,online_}
\necho "Leftover shared mem"
\nipcs -m | egrep -v "$filter"
\necho "Leftover message q’s"
\nipcs -q | egrep -v "$filter"
\necho "Leftover semaphores"
\nipcs -s | egrep -v "$filter"<\/p>\n
if [[ "$1" = "-r" ]]; then
\n echo "Removing shared mem"
\n for i in `ipcs -m | egrep -v "$filter" | awk ‘\/.\/{print $2}’`; do ipcrm -m $i;done
\n echo "Removing semaphores"
\n for i in `ipcs -s | egrep -v "$filter" | awk ‘\/.\/{print $2}’`; do ipcrm -s $i;done
\n echo "Removing message q’s"
\n for i in `ipcs -q | egrep -v "$filter" | awk ‘\/.\/{print $2}’`; do ipcrm -q $i;done
\nfi<\/p>\n
[\/bash]<\/h6>\n","protected":false},"excerpt":{"rendered":"
I forbindelse med d\u00e5rlig “shared memory” styring p\u00e5 noen av applikasjonene p\u00e5 jobb ser jeg for meg f\u00f8lgene implementering. 1. List ut shared memory segmenter (ipcs -m) 2. List ut p\u00e5loggede brukere (w) 3. Slett alle shared memory segmenter fra brukere som ikke lenger er p\u00e5logget(ipcrm). [bash] #!\/bin\/bash self=`basename $0` if [[ "$1" = "-h" […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[9,10],"tags":[50,6,49],"class_list":["post-97","post","type-post","status-publish","format-standard","hentry","category-data","category-linux-data","tag-ipcs","tag-linux","tag-shared-memory"],"jetpack_featured_media_url":"","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/blog.kpolberg.net\/index.php?rest_route=\/wp\/v2\/posts\/97","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/blog.kpolberg.net\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blog.kpolberg.net\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blog.kpolberg.net\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/blog.kpolberg.net\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=97"}],"version-history":[{"count":14,"href":"https:\/\/blog.kpolberg.net\/index.php?rest_route=\/wp\/v2\/posts\/97\/revisions"}],"predecessor-version":[{"id":131,"href":"https:\/\/blog.kpolberg.net\/index.php?rest_route=\/wp\/v2\/posts\/97\/revisions\/131"}],"wp:attachment":[{"href":"https:\/\/blog.kpolberg.net\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=97"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.kpolberg.net\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=97"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.kpolberg.net\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=97"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}